diff --git a/config.go b/config.go index c481de2..aeffbd7 100644 --- a/config.go +++ b/config.go @@ -1,10 +1,13 @@ // Copyright 2021 Harran Ali . All rights reserved. // Copyright (c) 2024 Zeni Kim +// Copyright (c) 2026 Jose Cely // Use of this source code is governed by MIT-style // license that can be found in the LICENSE file. package core +import "time" + type EnvFileConfig struct { UseDotEnvFile bool } @@ -24,6 +27,14 @@ type GormConfig struct { type QueueConfig struct { EnableQueue bool + Concurrency int + Queues map[string]int +} + +type SchedulerConfig struct { + EnableScheduler bool + SchedulerInterval time.Duration + SchedulerRateLimit int } type CacheConfig struct { diff --git a/context.go b/context.go index 31743ca..028ac5a 100644 --- a/context.go +++ b/context.go @@ -34,6 +34,7 @@ type Context struct { GetMailer func() *Mailer GetEventsManager func() *EventsManager GetLogger func() *logger.Logger + GetSession func() *SessionUser } // TODO enhance @@ -56,8 +57,8 @@ func (c *Context) Next() { func (c *Context) prepare(ctx *Context) { // Only parse multipart form if it hasn't been parsed already // This prevents race conditions when multiple goroutines might access the same request - if ctx.Request.HttpRequest.MultipartForm == nil { - ctx.Request.HttpRequest.ParseMultipartForm(int64(app.Config.Request.MaxUploadFileSize)) + if ctx.Request.httpRequest.MultipartForm == nil { + ctx.Request.httpRequest.ParseMultipartForm(int64(app.Config.Request.MaxUploadFileSize)) } } @@ -66,50 +67,32 @@ func (c *Context) GetPathParam(key string) interface{} { } func (c *Context) GetRequestParam(key string) interface{} { - return c.Request.HttpRequest.FormValue(key) + return c.Request.httpRequest.FormValue(key) } func (c *Context) RequestParamExists(key string) bool { - return c.Request.HttpRequest.Form.Has(key) + return c.Request.httpRequest.Form.Has(key) } func (c *Context) GetRequesForm(key string) interface{} { - c.Request.HttpRequest.ParseForm() - return c.Request.HttpRequest.Form[key] + c.Request.httpRequest.ParseForm() + return c.Request.httpRequest.Form[key] } func (c *Context) GetRequesBodyMap() map[string]interface{} { var dat map[string]any - body := c.Request.HttpRequest.Body - + body := c.Request.httpRequest.Body if body != nil { if content, err := io.ReadAll(body); err == nil { json.Unmarshal(content, &dat) } } - defer body.Close() return dat } -// get raw data for file binary -func (c *Context) GetRawBody() ([]byte, error) { - if c.Request.HttpRequest.Body == nil { - return nil, errors.New("empty body") - } - - defer c.Request.HttpRequest.Body.Close() - - data, err := io.ReadAll(c.Request.HttpRequest.Body) - if err != nil { - return nil, err - } - - return data, nil -} - // get json body and bind to dest interface func (c *Context) GetRequesBodyStruct(dest interface{}) error { - body := c.Request.HttpRequest.Body + body := c.Request.httpRequest.Body if body != nil { value := reflect.ValueOf(dest) if value.Kind() != reflect.Ptr { @@ -123,12 +106,12 @@ func (c *Context) GetRequesBodyStruct(dest interface{}) error { } func (c *Context) GetHeader(key string) string { - return c.Request.HttpRequest.Header.Get(key) + return c.Request.httpRequest.Header.Get(key) } func (c *Context) GetCookie() (UserCookie, error) { - user, err := GetCookie(c.Request.HttpRequest) + user, err := GetCookie(c.Request.httpRequest) if err != nil { return user, err } @@ -144,7 +127,7 @@ func (c *Context) GetQueueClient() *asynq.Client { } func (c *Context) GetUploadedFile(name string) (*UploadedFileInfo, error) { - file, fileHeader, err := c.Request.HttpRequest.FormFile(name) + file, fileHeader, err := c.Request.httpRequest.FormFile(name) if err != nil { return nil, fmt.Errorf("error retrieving file: %v", err) } @@ -308,7 +291,7 @@ func (c *Context) CastToString(value interface{}) string { } func (c Context) GetUserAgent() string { - return c.Request.HttpRequest.UserAgent() + return c.Request.httpRequest.UserAgent() } func (c *Context) CastToInt(value interface{}) int { diff --git a/context_test.go b/context_test.go index d812454..9cc4287 100644 --- a/context_test.go +++ b/context_test.go @@ -25,7 +25,7 @@ func TestDebugAny(t *testing.T) { w := httptest.NewRecorder() c := &Context{ Request: &Request{ - HttpRequest: r, + httpRequest: r, httpPathParams: nil, }, Response: &Response{ @@ -538,7 +538,7 @@ func makeCTXLogTestCTX(t *testing.T, w http.ResponseWriter, r *http.Request, tmp t.Helper() return &Context{ Request: &Request{ - HttpRequest: r, + httpRequest: r, httpPathParams: nil, }, Response: &Response{ diff --git a/cookies.go b/cookies.go index 4e51470..9830099 100644 --- a/cookies.go +++ b/cookies.go @@ -19,6 +19,7 @@ import ( "os" "strconv" "strings" + "time" ) // ErrValueTooLong indicates that the cookie value exceeds the allowed length limit. @@ -84,9 +85,8 @@ func GetCookie(r *http.Request) (UserCookie, error) { } // SetCookie sets an encrypted cookie with a user's email and token, using gob encoding for data serialization. +// The Secure flag is controlled by the COOKIE_SECURE environment variable (defaults to true, set to false for local HTTP development). func SetCookie(w http.ResponseWriter, email string, token string) error { - // Initialize a User struct containing the data that we want to store in the - // cookie. var err error // check if template engine is enable @@ -124,15 +124,36 @@ func SetCookie(w http.ResponseWriter, email string, token string) error { return err } + // Derive cookie MaxAge from JWT_LIFESPAN_MINUTES (default: 1440 min = 1 day) + maxAge := 1440 * 60 // default 1 day in seconds + lifetimeStr := os.Getenv("JWT_LIFESPAN_MINUTES") + if lifetimeStr != "" { + lifetime, parseErr := strconv.Atoi(lifetimeStr) + if parseErr == nil { + maxAge = lifetime * 60 // convert minutes to seconds + } + } + + // Determine if the cookie should have the Secure flag. + // Set COOKIE_SECURE=false (or "0", "f") in your .env for local development over HTTP. + // Defaults to true for production safety. + cookieSecureStr := os.Getenv("COOKIE_SECURE") + if cookieSecureStr == "" { + cookieSecureStr = "true" + } + cookieSecure, _ := strconv.ParseBool(cookieSecureStr) + // Call buf.String() to get the gob-encoded value as a string and set it as // the cookie value. cookie := http.Cookie{ Name: "goffee", Value: buf.String(), Path: "/", - MaxAge: 3600, + MaxAge: maxAge, + Expires: time.Now().Add(time.Duration(maxAge) * time.Second), HttpOnly: true, SameSite: http.SameSiteLaxMode, + Secure: cookieSecure, } // Write an encrypted cookie containing the gob-encoded data as normal. diff --git a/core.go b/core.go index 8e7e4f1..3af6adf 100644 --- a/core.go +++ b/core.go @@ -26,6 +26,7 @@ import ( "gorm.io/driver/postgres" "gorm.io/driver/sqlite" "gorm.io/gorm" + gormlogger "gorm.io/gorm/logger" ) var loggr *logger.Logger @@ -242,7 +243,7 @@ func (app *App) makeHTTPRouterHandlerFunc(h Controller, ms []Hook) httprouter.Ha reqCtx := &requestContext{ chainIndex: 0, } - + // Prepare the chain nodes for this request mw := app.hooks.GetHooks() for _, v := range mw { @@ -252,11 +253,11 @@ func (app *App) makeHTTPRouterHandlerFunc(h Controller, ms []Hook) httprouter.Ha for _, v := range rhs { reqCtx.chainNodes = append(reqCtx.chainNodes, v) } - + // Store chain state in request context ctx := &Context{ Request: &Request{ - HttpRequest: r.WithContext(context.WithValue(r.Context(), "goffeeChain", reqCtx)), + httpRequest: r.WithContext(context.WithValue(r.Context(), "goffeeChain", reqCtx)), httpPathParams: ps, }, Response: &Response{ @@ -276,10 +277,11 @@ func (app *App) makeHTTPRouterHandlerFunc(h Controller, ms []Hook) httprouter.Ha GetMailer: resolveMailer(), GetEventsManager: resolveEventsManager(), GetLogger: resolveLogger(), + GetSession: getSession(), } ctx.prepare(ctx) - + // Execute the first handler in the chain if len(reqCtx.chainNodes) > 0 { n := reqCtx.chainNodes[0] @@ -293,7 +295,6 @@ func (app *App) makeHTTPRouterHandlerFunc(h Controller, ms []Hook) httprouter.Ha for _, header := range ctx.Response.headers { w.Header().Add(header.key, header.val) } - logger.CloseLogsFile() var ct string if ctx.Response.overrideContentType != "" { ct = ctx.Response.overrideContentType @@ -308,7 +309,11 @@ func (app *App) makeHTTPRouterHandlerFunc(h Controller, ms []Hook) httprouter.Ha w.WriteHeader(ctx.Response.statusCode) } if ctx.Response.redirectTo != "" { - http.Redirect(w, r, ctx.Response.redirectTo, http.StatusTemporaryRedirect) + statusCode := ctx.Response.redirectStatusCode + if statusCode == 0 { + statusCode = http.StatusTemporaryRedirect // default to 307 + } + http.Redirect(w, r, ctx.Response.redirectTo, statusCode) } else { w.Write(ctx.Response.body) } @@ -334,7 +339,7 @@ func (n notFoundHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusNotFound) res := "{\"message\": \"Not Found\"}" loggr.Error("Not Found") - loggr.Error(debug.Stack()) + //loggr.Error(debug.Stack()) w.Header().Add(CONTENT_TYPE, CONTENT_TYPE_JSON) w.Write([]byte(res)) } @@ -344,7 +349,7 @@ func (n methodNotAllowed) ServeHTTP(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusMethodNotAllowed) res := "{\"message\": \"Method not allowed\"}" loggr.Error("Method not allowed") - loggr.Error(debug.Stack()) + //loggr.Error(debug.Stack()) w.Header().Add(CONTENT_TYPE, CONTENT_TYPE_JSON) w.Write([]byte(res)) } @@ -372,7 +377,7 @@ var panicHandler = func(w http.ResponseWriter, r *http.Request, e interface{}) { shrtMsg := fmt.Sprintf("%v", e) loggr.Error(shrtMsg) fmt.Println(shrtMsg) - loggr.Error(string(debug.Stack())) + //loggr.Error(string(debug.Stack())) var res string if env.GetVarOtherwiseDefault("APP_ENV", "local") == PRODUCTION { res = "{\"message\": \"internal error\"}" @@ -392,7 +397,7 @@ func UseHook(mw Hook) { // Next advances to the next middleware or controller in the chain and invokes it with the given context if available. func (app *App) Next(c *Context) { // Get request-specific chain state from context - if reqCtx, ok := c.Request.HttpRequest.Context().Value("goffeeChain").(*requestContext); ok { + if reqCtx, ok := c.Request.httpRequest.Context().Value("goffeeChain").(*requestContext); ok { reqCtx.chainIndex++ if reqCtx.chainIndex < len(reqCtx.chainNodes) { n := reqCtx.chainNodes[reqCtx.chainIndex] @@ -518,13 +523,18 @@ func NewGorm() *gorm.DB { if err != nil { panic(fmt.Sprintf("error locating sqlite file: %v", err.Error())) } - db, err = gorm.Open(sqlite.Open(fullSqlitePath), &gorm.Config{}) + db, err = gorm.Open(sqlite.Open(fullSqlitePath), &gorm.Config{ + Logger: gormlogger.Default.LogMode(gormlogger.Silent), + }) default: panic("database driver not selected") } if gormC.EnableGorm && err != nil { panic(fmt.Sprintf("gorm has problem connecting to %v, (if it's not needed you can disable it in config/gorm.go): %v", os.Getenv("DB_DRIVER"), err)) } + if db != nil { + db.Logger = db.Logger.LogMode(gormlogger.Silent) + } return db } @@ -561,7 +571,9 @@ func postgresConnect() (*gorm.DB, error) { os.Getenv("POSTGRES_SSL_MODE"), os.Getenv("POSTGRES_TIMEZONE"), ) - return gorm.Open(postgres.Open(dsn), &gorm.Config{}) + return gorm.Open(postgres.Open(dsn), &gorm.Config{ + Logger: gormlogger.Default.LogMode(gormlogger.Silent), + }) } // mysqlConnect establishes a connection to a MySQL database using credentials and configurations from environment variables. @@ -582,7 +594,9 @@ func mysqlConnect() (*gorm.DB, error) { DontSupportRenameIndex: true, // drop & create when rename index, rename index not supported before MySQL 5.7, MariaDB DontSupportRenameColumn: true, // `change` when rename column, rename column not supported before MySQL 8, MariaDB SkipInitializeWithVersion: false, // auto configure based on currently MySQL version - }), &gorm.Config{}) + }), &gorm.Config{ + Logger: gormlogger.Default.LogMode(gormlogger.Silent), + }) } // getJWT returns a function that initializes and provides a *JWT instance configured with environment variables. @@ -672,6 +686,14 @@ func resolveLogger() func() *logger.Logger { return f } +// getSession returns a function that creates and returns a new SessionUser instance when invoked. +func getSession() func() *SessionUser { + f := func() *SessionUser { + return &SessionUser{} + } + return f +} + // MakeDirs creates the specified directories under the base path with the provided permissions (0766). func (app *App) MakeDirs(dirs ...string) { o := syscall.Umask(0) diff --git a/core_test.go b/core_test.go index b76faaf..fc146af 100644 --- a/core_test.go +++ b/core_test.go @@ -226,7 +226,7 @@ func makeCTX(t *testing.T) *Context { t.Helper() return &Context{ Request: &Request{ - HttpRequest: httptest.NewRequest(GET, LOCALHOST, nil), + httpRequest: httptest.NewRequest(GET, LOCALHOST, nil), httpPathParams: nil, }, Response: &Response{ diff --git a/go.mod b/go.mod index 9a967b5..6f47488 100644 --- a/go.mod +++ b/go.mod @@ -4,57 +4,61 @@ replace git.smarteching.com/goffee/core/logger => ./logger replace git.smarteching.com/goffee/core/env => ./env -go 1.24.1 +go 1.25.0 require ( git.smarteching.com/zeni/go-chart/v2 v2.1.4 + git.smarteching.com/zeni/go-charts/v2 v2.6.11 github.com/brianvoe/gofakeit/v6 v6.21.0 - github.com/golang-jwt/jwt/v5 v5.0.0 + github.com/golang-jwt/jwt/v5 v5.3.1 github.com/google/uuid v1.6.0 github.com/harranali/mailing v1.2.0 + github.com/hibiken/asynq v0.26.0 github.com/joho/godotenv v1.5.1 github.com/julienschmidt/httprouter v1.3.0 - github.com/redis/go-redis/v9 v9.7.0 - golang.org/x/crypto v0.11.0 - gorm.io/driver/mysql v1.5.1 - gorm.io/driver/postgres v1.5.2 - gorm.io/driver/sqlite v1.5.2 - gorm.io/gorm v1.25.2 + github.com/redis/go-redis/v9 v9.21.0 + golang.org/x/crypto v0.53.0 + golang.org/x/text v0.38.0 + gorm.io/driver/mysql v1.6.0 + gorm.io/driver/postgres v1.6.0 + gorm.io/driver/sqlite v1.6.0 + gorm.io/gorm v1.31.1 ) require ( - git.smarteching.com/zeni/go-charts/v2 v2.6.11 // indirect + filippo.io/edwards25519 v1.2.0 // indirect github.com/SparkPost/gosparkpost v0.2.0 // indirect github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect github.com/dustin/go-humanize v1.0.1 // indirect - github.com/go-chi/chi/v5 v5.0.8 // indirect - github.com/go-sql-driver/mysql v1.7.0 // indirect + github.com/go-chi/chi/v5 v5.3.0 // indirect + github.com/go-sql-driver/mysql v1.10.0 // indirect github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect - github.com/hibiken/asynq v0.25.1 // indirect github.com/jackc/pgpassfile v1.0.0 // indirect - github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect - github.com/jackc/pgx/v5 v5.3.1 // indirect - github.com/json-iterator/go v1.1.10 // indirect - github.com/mailgun/mailgun-go/v4 v4.10.0 // indirect - github.com/mattn/go-sqlite3 v1.14.17 // indirect - github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect - github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 // indirect + github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect + github.com/jackc/pgx/v5 v5.10.0 // indirect + github.com/jackc/puddle/v2 v2.2.2 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/mailgun/errors v0.6.0 // indirect + github.com/mailgun/mailgun-go/v4 v4.23.0 // indirect + github.com/mattn/go-sqlite3 v1.14.47 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect github.com/pkg/errors v0.9.1 // indirect github.com/robfig/cron/v3 v3.0.1 // indirect github.com/sendgrid/rest v2.6.9+incompatible // indirect - github.com/sendgrid/sendgrid-go v3.12.0+incompatible // indirect - github.com/spf13/cast v1.7.0 // indirect - golang.org/x/image v0.21.0 // indirect - golang.org/x/net v0.10.0 // indirect - golang.org/x/sys v0.27.0 // indirect - golang.org/x/text v0.19.0 // indirect - golang.org/x/time v0.8.0 // indirect - google.golang.org/protobuf v1.35.2 // indirect + github.com/sendgrid/sendgrid-go v3.16.1+incompatible // indirect + github.com/spf13/cast v1.10.0 // indirect + go.uber.org/atomic v1.11.0 // indirect + golang.org/x/image v0.43.0 // indirect + golang.org/x/net v0.56.0 // indirect + golang.org/x/sync v0.21.0 // indirect + golang.org/x/sys v0.46.0 // indirect + golang.org/x/time v0.15.0 // indirect + google.golang.org/protobuf v1.36.11 // indirect ) require ( - github.com/cespare/xxhash/v2 v2.2.0 // indirect - github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect + github.com/cespare/xxhash/v2 v2.3.0 // indirect github.com/go-ozzo/ozzo-validation v3.6.0+incompatible github.com/jinzhu/inflection v1.0.0 // indirect github.com/jinzhu/now v1.1.5 // indirect diff --git a/go.sum b/go.sum index 9c1a556..6155305 100644 --- a/go.sum +++ b/go.sum @@ -1,3 +1,5 @@ +filippo.io/edwards25519 v1.2.0 h1:crnVqOiS4jqYleHd9vaKZ+HKtHfllngJIiOpNpoJsjo= +filippo.io/edwards25519 v1.2.0/go.mod h1:xzAOLCNug/yB62zG1bQ8uziwrIqIuxhctzJT18Q77mc= git.smarteching.com/zeni/go-chart/v2 v2.1.4 h1:pF06+F6eqJLIG8uMiTVPR5TygPGMjM/FHMzTxmu5V/Q= git.smarteching.com/zeni/go-chart/v2 v2.1.4/go.mod h1:b3ueW9h3pGGXyhkormZAvilHaG4+mQti+bMNPdQBeOQ= git.smarteching.com/zeni/go-charts/v2 v2.6.11 h1:9udzlv3uxGXszpplfkL5IaTUrgkNj++KwhbaN1vVEqI= @@ -8,54 +10,54 @@ github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 h1:DklsrG3d github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw= github.com/brianvoe/gofakeit/v6 v6.21.0 h1:tNkm9yxEbpuPK8Bx39tT4sSc5i9SUGiciLdNix+VDQY= github.com/brianvoe/gofakeit/v6 v6.21.0/go.mod h1:Ow6qC71xtwm79anlwKRlWZW6zVq9D2XHE4QSSMP/rU8= -github.com/bsm/ginkgo/v2 v2.7.0 h1:ItPMPH90RbmZJt5GtkcNvIRuGEdwlBItdNVoyzaNQao= -github.com/bsm/ginkgo/v2 v2.7.0/go.mod h1:AiKlXPm7ItEHNc/2+OkrNG4E0ITzojb9/xWzvQ9XZ9w= -github.com/bsm/gomega v1.26.0 h1:LhQm+AFcgV2M0WyKroMASzAzCAJVpAxQXv4SaI9a69Y= -github.com/bsm/gomega v1.26.0/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0= 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h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io= -google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE= +google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE= +google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= -gorm.io/driver/mysql v1.5.1 h1:WUEH5VF9obL/lTtzjmML/5e6VfFR/788coz2uaVCAZw= -gorm.io/driver/mysql v1.5.1/go.mod h1:Jo3Xu7mMhCyj8dlrb3WoCaRd1FhsVh+yMXb1jUInf5o= -gorm.io/driver/postgres v1.5.2 h1:ytTDxxEv+MplXOfFe3Lzm7SjG09fcdb3Z/c056DTBx0= -gorm.io/driver/postgres v1.5.2/go.mod 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+gorm.io/gorm v1.31.1/go.mod h1:XyQVbO2k6YkOis7C2437jSit3SsDK72s7n7rsSHd+Gs= diff --git a/graph.go b/graph.go index 1ca21b8..1677229 100644 --- a/graph.go +++ b/graph.go @@ -11,6 +11,7 @@ import ( "strings" "git.smarteching.com/zeni/go-chart/v2" + "git.smarteching.com/zeni/go-charts/v2" "github.com/julienschmidt/httprouter" ) @@ -44,7 +45,7 @@ func Graph(w http.ResponseWriter, r *http.Request, ps httprouter.Params) { qtyl := len(labels) qtyv := len(values) - // cjeck qty and equal values from url + // check qty and equal values from url if qtyl < 2 { fmt.Fprintf(w, "Missing captions in pie") return @@ -85,9 +86,9 @@ func Graph(w http.ResponseWriter, r *http.Request, ps httprouter.Params) { qtyl := len(labels) qtyv := len(values) - // cjeck qty and equal values from url + // check qty and equal values from url if qtyl < 2 { - fmt.Fprintf(w, "Missing captions in pie") + fmt.Fprintf(w, "Missing captions in bar") return } if qtyv != qtyl { @@ -116,6 +117,83 @@ func Graph(w http.ResponseWriter, r *http.Request, ps httprouter.Params) { fmt.Printf("Error rendering pie chart: %v\n", err) } + // case multiple graph bar + case "mbar": + + queryValues := r.URL.Query() + labels := strings.Split(queryValues.Get("l"), "|") + values := strings.Split(queryValues.Get("v"), "|") + options := strings.Split(queryValues.Get("o"), "|") + + qtyl := len(labels) + qtyv := len(values) + qtyo := len(options) + + // check qty and equal values from url + if qtyl < 2 { + fmt.Fprintf(w, "Missing captions in bar") + return + } + if qtyv < 2 { + fmt.Fprintf(w, "Missing values in bar") + return + } + if qtyo < 2 { + fmt.Fprintf(w, "Missing options in bar") + return + } + + valuest := [][]float64{ + { + 2.0, + 4.9, + 7.0, + 23.2, + 25.6, + 76.7, + 135.6, + 162.2, + 32.6, + }, + { + 2.6, + 5.9, + 9.0, + 26.4, + 28.7, + 70.7, + 175.6, + 182.2, + 48.7, + }, + } + p, err := charts.BarRender( + valuest, + charts.XAxisDataOptionFunc([]string{ + "Apr", + "May", + "Jun", + "Jul", + "Aug", + "Sep", + "Oct", + "Nov", + "Dec", + }), + charts.LegendLabelsOptionFunc(labels, charts.PositionRight), + ) + if err != nil { + panic(err) + } + + buf, err := p.Bytes() + + w.Header().Set("Content-Type", "image/png") + w.Write(buf) + if err != nil { + fmt.Printf("Error rendering pie chart: %v\n", err) + } + default: fmt.Fprintf(w, "Unknown graph %s!\n", kindg) } diff --git a/logger/logger.go b/logger/logger.go index 4746c9f..fd56eba 100644 --- a/logger/logger.go +++ b/logger/logger.go @@ -1,4 +1,4 @@ -// Copyright 2021 Harran Ali . All rights reserved. +// Copyright (c) 2026 Zeni Kim // Use of this source code is governed by MIT-style // license that can be found in the LICENSE file. @@ -8,16 +8,68 @@ import ( "io" "log" "os" + "strings" ) // logs file var logsFile *os.File +// ANSI color codes for terminal output +const ( + colorReset = "\033[0m" + colorRed = "\033[31m" + colorYellow = "\033[33m" + colorBlue = "\033[34m" + colorCyan = "\033[36m" +) + +// Level represents a log severity level. +type Level int + +const ( + DEBUG Level = iota + INFO + WARNING + ERROR +) + +// String returns the string representation of a log level. +func (l Level) String() string { + switch l { + case DEBUG: + return "debug" + case INFO: + return "info" + case WARNING: + return "warning" + case ERROR: + return "error" + default: + return "unknown" + } +} + +// coloredWriter wraps an io.Writer and replaces plain log prefixes with ANSI-colored ones +// in the output stream. The original bytes pass through unmodified to any additional writers. +type coloredWriter struct { + writer io.Writer + plain string + colored string +} + +func (w *coloredWriter) Write(p []byte) (n int, err error) { + // Replace the plain prefix with the colored version in the output + colored := strings.Replace(string(p), w.plain, w.colored, 1) + return w.writer.Write([]byte(colored)) +} + type Logger struct { + minLevel Level infoLogger *log.Logger warningLogger *log.Logger errorLogger *log.Logger debugLogger *log.Logger + file *os.File } var l *Logger @@ -40,9 +92,36 @@ func (f LogFileDriver) GetTarget() interface{} { return f.FilePath } +// levelPrefixes returns the plain and colored (with ANSI escapes) prefix strings for a given level. +func levelPrefixes(level Level) (plain, colored string) { + switch level { + case INFO: + return "info: ", colorBlue + "INFO" + colorReset + ": " + case DEBUG: + return "debug: ", colorCyan + "DEBUG" + colorReset + ": " + case WARNING: + return "warning: ", colorYellow + "WARNING" + colorReset + ": " + case ERROR: + return "error: ", colorRed + "ERROR" + colorReset + ": " + default: + return "info: ", "INFO: " + } +} + +// NewLogger creates a new Logger with the given driver and a minimum level of DEBUG (all levels logged). func NewLogger(driver LogsDriver) *Logger { + stdoutEnabled := os.Getenv("LOG_STDOUT_ENABLE") == "true" + return NewLoggerWithStdout(driver, DEBUG, stdoutEnabled) +} + +// NewLoggerWithStdout creates a new Logger with the given driver, minimum log level, +// and optionally writes to stdout in addition to the target file. +// When stdoutEnabled is true, log messages are written to both the target and stdout. +// ANSI color codes are applied to log prefixes in terminal output only. +func NewLoggerWithStdout(driver LogsDriver, minLevel Level, stdoutEnabled bool) *Logger { if driver.GetTarget() == nil { l = &Logger{ + minLevel: minLevel, infoLogger: log.New(io.Discard, "info: ", log.LstdFlags), warningLogger: log.New(io.Discard, "warning: ", log.LstdFlags), errorLogger: log.New(io.Discard, "error: ", log.LstdFlags), @@ -54,41 +133,103 @@ func NewLogger(driver LogsDriver) *Logger { if !ok { panic("something wrong with the file path") } - logsFile, err := os.OpenFile(path, os.O_CREATE|os.O_APPEND|os.O_RDWR, 0644) + var err error + logsFile, err = os.OpenFile(path, os.O_CREATE|os.O_APPEND|os.O_RDWR, 0644) if err != nil { panic(err) } - l = &Logger{ - infoLogger: log.New(logsFile, "info: ", log.LstdFlags), - warningLogger: log.New(logsFile, "warning: ", log.LstdFlags), - errorLogger: log.New(logsFile, "error: ", log.LstdFlags), - debugLogger: log.New(logsFile, "debug: ", log.LstdFlags), + + if stdoutEnabled { + // Build each logger with a MultiWriter: the file gets the original plain output, + // stdout gets the output with ANSI-colored prefixes. + infoPlain, infoColored := levelPrefixes(INFO) + debugPlain, debugColored := levelPrefixes(DEBUG) + warnPlain, warnColored := levelPrefixes(WARNING) + errPlain, errColored := levelPrefixes(ERROR) + + l = &Logger{ + minLevel: minLevel, + infoLogger: log.New( + io.MultiWriter(logsFile, &coloredWriter{writer: os.Stdout, plain: infoPlain, colored: infoColored}), + infoPlain, log.LstdFlags, + ), + warningLogger: log.New( + io.MultiWriter(logsFile, &coloredWriter{writer: os.Stdout, plain: warnPlain, colored: warnColored}), + warnPlain, log.LstdFlags, + ), + errorLogger: log.New( + io.MultiWriter(logsFile, &coloredWriter{writer: os.Stdout, plain: errPlain, colored: errColored}), + errPlain, log.LstdFlags, + ), + debugLogger: log.New( + io.MultiWriter(logsFile, &coloredWriter{writer: os.Stdout, plain: debugPlain, colored: debugColored}), + debugPlain, log.LstdFlags, + ), + file: logsFile, + } + } else { + // No stdout: all output goes to file with plain prefixes + l = &Logger{ + minLevel: minLevel, + infoLogger: log.New(logsFile, "info: ", log.LstdFlags), + warningLogger: log.New(logsFile, "warning: ", log.LstdFlags), + errorLogger: log.New(logsFile, "error: ", log.LstdFlags), + debugLogger: log.New(logsFile, "debug: ", log.LstdFlags), + file: logsFile, + } } return l } +// NewLoggerWithLevel creates a new Logger with the given driver and minimum log level. +// Messages below the minimum level will be discarded. Stdout output is disabled by default. +func NewLoggerWithLevel(driver LogsDriver, minLevel Level) *Logger { + stdoutEnabled := os.Getenv("LOG_STDOUT_ENABLE") == "true" + return NewLoggerWithStdout(driver, minLevel, stdoutEnabled) +} + +// SetLevel sets the minimum log level for the logger. +// Messages below this level will be discarded. +func (l *Logger) SetLevel(level Level) { + l.minLevel = level +} + +// GetLevel returns the current minimum log level. +func (l *Logger) GetLevel() Level { + return l.minLevel +} + func ResolveLogger() *Logger { return l } func (l *Logger) Info(msg interface{}) { - l.infoLogger.Println(msg) + if l.minLevel <= INFO { + l.infoLogger.Println(msg) + } } func (l *Logger) Debug(msg interface{}) { - l.debugLogger.Println(msg) + if l.minLevel <= DEBUG { + l.debugLogger.Println(msg) + } } func (l *Logger) Warning(msg interface{}) { - l.warningLogger.Println(msg) + if l.minLevel <= WARNING { + l.warningLogger.Println(msg) + } } func (l *Logger) Error(msg interface{}) { - l.errorLogger.Println(msg) -} - -func CloseLogsFile() { - if logsFile != nil { - defer logsFile.Close() + if l.minLevel <= ERROR { + l.errorLogger.Println(msg) } } + +func (l *Logger) Close() error { + if l.file != nil { + return l.file.Close() + } + return nil +} diff --git a/logger/logger_test.go b/logger/logger_test.go index f82e8a1..46760ca 100644 --- a/logger/logger_test.go +++ b/logger/logger_test.go @@ -61,7 +61,7 @@ func TestInfo(t *testing.T) { t.Error("error testing info") } t.Cleanup(func() { - CloseLogsFile() + l.Close() }) } @@ -84,7 +84,7 @@ func TestWarning(t *testing.T) { t.Error("failed testing warning") } t.Cleanup(func() { - CloseLogsFile() + l.Close() }) } @@ -106,7 +106,7 @@ func TestDebug(t *testing.T) { t.Error("error testing debug") } t.Cleanup(func() { - CloseLogsFile() + l.Close() }) } @@ -128,6 +128,173 @@ func TestError(t *testing.T) { t.Error("failed testing error") } t.Cleanup(func() { - CloseLogsFile() + l.Close() }) } + +func TestLevelFiltering(t *testing.T) { + t.Run("NewLoggerWithLevel_DEBUG", func(t *testing.T) { + path := filepath.Join(t.TempDir(), uuid.NewString()) + l := NewLoggerWithLevel(&LogFileDriver{FilePath: path}, DEBUG) + l.Debug("debug-msg") + l.Info("info-msg") + l.Warning("warn-msg") + l.Error("err-msg") + l.Close() + + b, _ := os.ReadFile(path) + content := string(b) + if !strings.Contains(content, "debug-msg") { + t.Error("expected debug-msg to be logged at DEBUG level") + } + if !strings.Contains(content, "info-msg") { + t.Error("expected info-msg to be logged at DEBUG level") + } + if !strings.Contains(content, "warn-msg") { + t.Error("expected warn-msg to be logged at DEBUG level") + } + if !strings.Contains(content, "err-msg") { + t.Error("expected err-msg to be logged at DEBUG level") + } + }) + + t.Run("NewLoggerWithLevel_INFO", func(t *testing.T) { + path := filepath.Join(t.TempDir(), uuid.NewString()) + l := NewLoggerWithLevel(&LogFileDriver{FilePath: path}, INFO) + l.Debug("debug-msg") + l.Info("info-msg") + l.Warning("warn-msg") + l.Error("err-msg") + l.Close() + + b, _ := os.ReadFile(path) + content := string(b) + if strings.Contains(content, "debug-msg") { + t.Error("debug-msg should NOT be logged at INFO minimum level") + } + if !strings.Contains(content, "info-msg") { + t.Error("expected info-msg to be logged at INFO level") + } + if !strings.Contains(content, "warn-msg") { + t.Error("expected warn-msg to be logged at INFO level") + } + if !strings.Contains(content, "err-msg") { + t.Error("expected err-msg to be logged at INFO level") + } + }) + + t.Run("NewLoggerWithLevel_WARNING", func(t *testing.T) { + path := filepath.Join(t.TempDir(), uuid.NewString()) + l := NewLoggerWithLevel(&LogFileDriver{FilePath: path}, WARNING) + l.Debug("debug-msg") + l.Info("info-msg") + l.Warning("warn-msg") + l.Error("err-msg") + l.Close() + + b, _ := os.ReadFile(path) + content := string(b) + if strings.Contains(content, "debug-msg") { + t.Error("debug-msg should NOT be logged at WARNING minimum level") + } + if strings.Contains(content, "info-msg") { + t.Error("info-msg should NOT be logged at WARNING minimum level") + } + if !strings.Contains(content, "warn-msg") { + t.Error("expected warn-msg to be logged at WARNING level") + } + if !strings.Contains(content, "err-msg") { + t.Error("expected err-msg to be logged at WARNING level") + } + }) + + t.Run("NewLoggerWithLevel_ERROR", func(t *testing.T) { + path := filepath.Join(t.TempDir(), uuid.NewString()) + l := NewLoggerWithLevel(&LogFileDriver{FilePath: path}, ERROR) + l.Debug("debug-msg") + l.Info("info-msg") + l.Warning("warn-msg") + l.Error("err-msg") + l.Close() + + b, _ := os.ReadFile(path) + content := string(b) + if strings.Contains(content, "debug-msg") { + t.Error("debug-msg should NOT be logged at ERROR minimum level") + } + if strings.Contains(content, "info-msg") { + t.Error("info-msg should NOT be logged at ERROR minimum level") + } + if strings.Contains(content, "warn-msg") { + t.Error("warn-msg should NOT be logged at ERROR minimum level") + } + if !strings.Contains(content, "err-msg") { + t.Error("expected err-msg to be logged at ERROR level") + } + }) + + t.Run("SetLevel_dynamically", func(t *testing.T) { + path := filepath.Join(t.TempDir(), uuid.NewString()) + l := NewLogger(&LogFileDriver{FilePath: path}) + + // Default is DEBUG, so debug messages are logged + l.Debug("debug-msg-before") + l.SetLevel(WARNING) + l.Debug("debug-msg-after") + l.Info("info-msg-after") + l.Warning("warn-msg-after") + l.Error("err-msg-after") + l.Close() + + b, _ := os.ReadFile(path) + content := string(b) + if !strings.Contains(content, "debug-msg-before") { + t.Error("expected debug-msg-before to be logged before level change") + } + if strings.Contains(content, "debug-msg-after") { + t.Error("debug-msg-after should NOT be logged after setting level to WARNING") + } + if strings.Contains(content, "info-msg-after") { + t.Error("info-msg-after should NOT be logged after setting level to WARNING") + } + if !strings.Contains(content, "warn-msg-after") { + t.Error("expected warn-msg-after to be logged at WARNING level") + } + if !strings.Contains(content, "err-msg-after") { + t.Error("expected err-msg-after to be logged at WARNING level") + } + }) +} + +func TestLevelString(t *testing.T) { + tests := []struct { + level Level + want string + }{ + {DEBUG, "debug"}, + {INFO, "info"}, + {WARNING, "warning"}, + {ERROR, "error"}, + {Level(99), "unknown"}, + } + for _, tt := range tests { + if got := tt.level.String(); got != tt.want { + t.Errorf("Level(%d).String() = %q, want %q", tt.level, got, tt.want) + } + } +} + +func TestGetLevel(t *testing.T) { + path := filepath.Join(t.TempDir(), uuid.NewString()) + l := NewLoggerWithLevel(&LogFileDriver{FilePath: path}, WARNING) + defer l.Close() + + if l.GetLevel() != WARNING { + t.Errorf("GetLevel() = %d, want %d", l.GetLevel(), WARNING) + } + + l.SetLevel(INFO) + if l.GetLevel() != INFO { + t.Errorf("GetLevel() after SetLevel(INFO) = %d, want %d", l.GetLevel(), INFO) + } +} diff --git a/queue.go b/queue.go index 905a6ed..70de9cd 100644 --- a/queue.go +++ b/queue.go @@ -27,22 +27,32 @@ func (q *Queuemux) AddWork(pattern string, work Asynqtask) { q.themux.HandleFunc(pattern, work) } -// RunQueueserver starts the queue server with predefined configurations and handles tasks using the assigned ServeMux. +// RunQueueserver starts the queue server with the given configuration and handles tasks using the assigned ServeMux. // Configures the queue server with concurrency limits and priority-based queue management. // Logs and terminates the program if the server fails to run. -func (q *Queuemux) RunQueueserver() { +func (q *Queuemux) RunQueueserver(config QueueConfig) { redisAddr := fmt.Sprintf("%v:%v", os.Getenv("REDIS_HOST"), os.Getenv("REDIS_PORT")) + queues := config.Queues + if queues == nil { + queues = map[string]int{ + "critical": 6, + "default": 3, + "low": 1, + } + } + + concurrency := config.Concurrency + if concurrency <= 0 { + concurrency = 10 + } + srv := asynq.NewServer( asynq.RedisClientOpt{Addr: redisAddr}, - asynq.Config{Concurrency: 10, - // Optionally specify multiple queues with different priority. - Queues: map[string]int{ - "critical": 6, - "default": 3, - "low": 1, - }, + asynq.Config{ + Concurrency: concurrency, + Queues: queues, }, ) diff --git a/request.go b/request.go index 008b3e5..a93ac62 100644 --- a/request.go +++ b/request.go @@ -12,6 +12,6 @@ import ( ) type Request struct { - HttpRequest *http.Request + httpRequest *http.Request httpPathParams httprouter.Params } diff --git a/response.go b/response.go index 6beb36e..12b6406 100644 --- a/response.go +++ b/response.go @@ -9,13 +9,10 @@ import ( "bytes" "fmt" "net/http" - "strings" ) // Response represents an HTTP response to be sent to the client, including headers, body, status code, and metadata. type Response struct { - FlashMessage string - MsgType string headers []header body []byte statusCode int @@ -23,6 +20,7 @@ type Response struct { overrideContentType string isTerminated bool redirectTo string + redirectStatusCode int HttpResponseWriter http.ResponseWriter } @@ -99,7 +97,7 @@ func (rs *Response) Template(name string, data interface{}) *Response { panic(fmt.Sprintf("error executing template: %v", err)) } rs.contentType = CONTENT_TYPE_HTML - buffer.WriteTo(rs.HttpResponseWriter) + rs.body = buffer.Bytes() } return rs } @@ -139,8 +137,10 @@ func (rs *Response) ForceSendResponse() { rs.isTerminated = true } -// updates the redirect URL for the response and returns the modified Response. Validates the URL before setting it. -func (rs *Response) Redirect(url string) *Response { +// Redirect sends a redirect response to the given URL. +// By default it uses 307 (Temporary Redirect) to preserve the HTTP method. +// Pass true as the second argument to use 303 (See Other), which changes POST to GET. +func (rs *Response) Redirect(url string, use303 ...bool) *Response { validator := resolveValidator() v := validator.Validate(map[string]interface{}{ "url": url, @@ -148,22 +148,12 @@ func (rs *Response) Redirect(url string) *Response { "url": "url", }) - if rs.FlashMessage != "" || rs.MsgType != "" { - if !strings.Contains(url, "?") { - url += "?" - } else { - url += "&" - } - if rs.FlashMessage != "" { - url += "flash_message=" + rs.FlashMessage - } - if rs.MsgType != "" { - if rs.FlashMessage != "" { - url += "&" - } - url += "msg_type=" + rs.MsgType - } - } + if len(use303) > 0 && use303[0] { + rs.redirectStatusCode = http.StatusSeeOther // 303 + } else { + rs.redirectStatusCode = http.StatusTemporaryRedirect // 307 (default) + } + if v.Failed() { if url[0:1] != "/" { rs.redirectTo = "/" + url @@ -173,6 +163,7 @@ func (rs *Response) Redirect(url string) *Response { return rs } rs.redirectTo = url + return rs } diff --git a/scheduler.go b/scheduler.go new file mode 100644 index 0000000..dd81035 --- /dev/null +++ b/scheduler.go @@ -0,0 +1,157 @@ +// Copyright (c) 2026 Jose Cely +// Use of this source code is governed by MIT-style +// license that can be found in the LICENSE file. + +package core + +import ( + "context" + "fmt" + "log" + "time" + + "git.smarteching.com/goffee/core/logger" + "git.smarteching.com/goffee/core/scheduler" +) + +// Default values for SchedulerConfig +var DefaultSchedulerInterval = 10 * time.Second +var DefaultSchedulerRateLimit = 10 + +// globalSchedulerMux holds the active Schedulermux instance so controllers +// can access it without requiring a direct import chain. +var globalSchedulerMux *Schedulermux + +// Schedulermux wraps the scheduler Registry and manages the lifecycle +// of a simple database-backed task scheduler. +type Schedulermux struct { + registry *scheduler.Registry + store *scheduler.Store + semaphore *scheduler.PersistedSemaphore + sched *scheduler.Scheduler +} + +// SchedulerInit initializes the scheduler internals (registry). +// The store must be set separately via SetStore before starting. +// The semaphore is created lazily during RunScheduler once the DB is available. +func (s *Schedulermux) SchedulerInit() { + s.registry = scheduler.NewRegistry() + globalSchedulerMux = s +} + +// SetStore sets the store (backed by *gorm.DB) on the scheduler. +// This also runs AutoMigrate for the queue_items and processed_items tables. +func (s *Schedulermux) SetStore(st *scheduler.Store) { + s.store = st +} + +// AddWork registers a task handler function for a given task type. +func (s *Schedulermux) AddWork(taskType string, handler scheduler.HandlerFunc) { + s.registry.Register(taskType, handler) +} + +// GetStore returns the scheduler store, or nil if not initialized. +func (s *Schedulermux) GetStore() *scheduler.Store { + return s.store +} + +// RunScheduler starts the scheduler loop with the given configuration. +// It auto-migrates the scheduler_meta table, recovers the persisted semaphore +// state, creates the in-memory semaphore, and launches the scheduler goroutine. +func (s *Schedulermux) RunScheduler(config SchedulerConfig) { + if s.store == nil { + log.Fatal("scheduler: store is not set — call SetStore before RunScheduler") + } + + interval := config.SchedulerInterval + if interval <= 0 { + interval = DefaultSchedulerInterval + } + + rateLimit := config.SchedulerRateLimit + if rateLimit < 0 { + rateLimit = DefaultSchedulerRateLimit + } + + ctx := context.Background() + + // Auto-migrate the scheduler_meta table for semaphore persistence. + _ = s.store.DB().AutoMigrate(&scheduler.SchedulerMeta{}) + + // Recover the persisted semaphore state (defaults to green). + wasGreen := s.store.GetSemaphore(ctx) + s.semaphore = scheduler.NewPersistedSemaphore(s.store, wasGreen) + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] semaphore recovered: %s", map[bool]string{true: "green", false: "red"}[wasGreen])) + + // Recover stuck items from a previous crash before starting. + recovered, err := s.store.RecoverStuck(ctx) + if err != nil { + logger.ResolveLogger().Error(fmt.Sprintf("[scheduler] recover stuck error: %v", err)) + } else if recovered > 0 { + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] recovered %d stuck task(s) back to pending", recovered)) + } + + s.sched = scheduler.NewScheduler( + scheduler.SchedulerConfig{ + Interval: interval, + RateLimit: rateLimit, + }, + s.semaphore, + s.store, + s.registry, + ) + + s.sched.Start(ctx) +} + +// StopScheduler gracefully stops the scheduler loop. +func (s *Schedulermux) StopScheduler() { + if s.sched != nil { + s.sched.Stop() + } +} + +// SemaphoreSetGreen allows task execution to proceed. +func (s *Schedulermux) SemaphoreSetGreen() { + if s.semaphore != nil { + s.semaphore.SetGreen() + } +} + +// SemaphoreSetRed blocks task execution. +func (s *Schedulermux) SemaphoreSetRed() { + if s.semaphore != nil { + s.semaphore.SetRed() + } +} + +// ResolveSchedulerStore returns the store from the global scheduler mux instance. +// Returns nil if the scheduler was never initialized. +func ResolveSchedulerStore() *scheduler.Store { + if globalSchedulerMux == nil { + return nil + } + return globalSchedulerMux.GetStore() +} + +// SchedulerSemaphoreSetGreen enables task execution by setting the semaphore to green. +func SchedulerSemaphoreSetGreen() { + if globalSchedulerMux != nil { + globalSchedulerMux.SemaphoreSetGreen() + } +} + +// SchedulerSemaphoreSetRed blocks task execution by setting the semaphore to red. +func SchedulerSemaphoreSetRed() { + if globalSchedulerMux != nil { + globalSchedulerMux.SemaphoreSetRed() + } +} + +// SchedulerSemaphoreIsGreen returns whether the scheduler semaphore is currently green. +func SchedulerSemaphoreIsGreen() bool { + if globalSchedulerMux == nil || globalSchedulerMux.semaphore == nil { + return false + } + return globalSchedulerMux.semaphore.IsGreen() +} diff --git a/scheduler/scheduler.go b/scheduler/scheduler.go new file mode 100644 index 0000000..c314009 --- /dev/null +++ b/scheduler/scheduler.go @@ -0,0 +1,689 @@ +// Copyright (c) 2026 Jose Cely +// Use of this source code is governed by MIT-style +// license that can be found in the LICENSE file. + +package scheduler + +import ( + "context" + "fmt" + "sync" + "time" + + "git.smarteching.com/goffee/core/logger" + "gorm.io/gorm" + "gorm.io/gorm/clause" +) + +// ─── Status types ──────────────────────────────────────────────────────────── + +// QueueStatus represents the lifecycle state of a queued item. +type QueueStatus string + +const ( + StatusPending QueueStatus = "pending" + StatusProcessing QueueStatus = "processing" // claimed by a scheduler tick +) + +// ProcessedStatus is the final outcome recorded in processed_items. +type ProcessedStatus string + +const ( + ProcessedOK ProcessedStatus = "ok" + ProcessedError ProcessedStatus = "error" +) + +// ─── Models ────────────────────────────────────────────────────────────────── + +// QueueItem is a task waiting to be executed. +// Any external program can insert a row into this table to enqueue work. +// +// INSERT INTO queue_items (task_type, payload, priority, max_runs, thread) VALUES (?, ?, ?, ?, ?); +type QueueItem struct { + ID uint `gorm:"primaryKey;autoIncrement"` + TaskType string `gorm:"not null;index"` // e.g. "send_email", "sync_records" + Payload string `gorm:"type:text"` // JSON or plain string, interpreted by the handler + Status QueueStatus `gorm:"not null;default:'pending';index"` + Priority int `gorm:"not null;default:0;index"` // higher = runs first within a tick + MaxRuns int `gorm:"not null;default:1"` // 1 = run once, -1 = repeat indefinitely, N = run N times + Thread int `gorm:"not null;default:0"` // 0 = sequential, 1 = concurrent per type + CreatedAt time.Time + UpdatedAt time.Time +} + +// TableName overrides the GORM default. +func (QueueItem) TableName() string { return "queue_items" } + +// ProcessedItem is an immutable record of a completed execution. +// Rows are never updated — only inserted. +type ProcessedItem struct { + ID uint `gorm:"primaryKey;autoIncrement"` + QueueItemID uint `gorm:"not null;index"` // FK → queue_items.id (soft ref) + TaskType string `gorm:"not null;index"` + Payload string `gorm:"type:text"` + Status ProcessedStatus `gorm:"not null;index"` + ErrorMsg string `gorm:"type:text"` // empty when Status == "ok" + StartedAt time.Time `gorm:"not null"` + FinishedAt time.Time `gorm:"not null"` + DurationMs int64 `gorm:"not null"` // FinishedAt - StartedAt in ms + CreatedAt time.Time +} + +// TableName overrides the GORM default. +func (ProcessedItem) TableName() string { return "processed_items" } + +// SchedulerMeta stores key-value metadata for the scheduler, such as the +// semaphore state. This table persists across restarts so the scheduler can +// recover its previous state. +type SchedulerMeta struct { + Key string `gorm:"primaryKey;size:64"` + Value string `gorm:"size:16;not null"` +} + +// TableName overrides the GORM default. +func (SchedulerMeta) TableName() string { return "scheduler_meta" } + +// ─── Handler ───────────────────────────────────────────────────────────────── + +// HandlerFunc processes a single queue item. +// Return a non-nil error to mark the item as processed with error status. +type HandlerFunc func(ctx context.Context, item *QueueItem) error + +// Registry maps task types to their handlers. +// Register all handlers before calling Scheduler.Start. +type Registry struct { + handlers map[string]HandlerFunc +} + +// NewRegistry creates an empty handler registry. +func NewRegistry() *Registry { + return &Registry{handlers: make(map[string]HandlerFunc)} +} + +// Register associates a task type with a handler. +// Panics on duplicate registration to catch misconfiguration at startup. +func (r *Registry) Register(taskType string, h HandlerFunc) { + if _, exists := r.handlers[taskType]; exists { + panic(fmt.Sprintf("scheduler: handler already registered for task type %q", taskType)) + } + r.handlers[taskType] = h +} + +// get returns the handler for a task type, or a fallback error handler. +func (r *Registry) get(taskType string) HandlerFunc { + if h, ok := r.handlers[taskType]; ok { + return h + } + return func(_ context.Context, item *QueueItem) error { + return fmt.Errorf("no handler registered for task type %q", item.TaskType) + } +} + +// ─── Store ─────────────────────────────────────────────────────────────────── + +// Store handles all database operations for the scheduler. +type Store struct { + db *gorm.DB +} + +// NewStore creates a Store. +// Tables (queue_items, processed_items) +func NewStore(db *gorm.DB) (*Store, error) { + if db == nil { + return nil, fmt.Errorf("scheduler: db is nil") + } + return &Store{db: db}, nil +} + +// DB returns the underlying *gorm.DB used by the store. +func (s *Store) DB() *gorm.DB { + return s.db +} + +// Enqueue inserts a new pending task. +// maxRuns controls how many times the task executes: 1 = once (default), -1 = repeat indefinitely. +// thread controls concurrency: 0 = sequential per type, 1 = concurrent per type. +// Any value of maxRuns < -1 is clamped to 1. +func (s *Store) Enqueue(ctx context.Context, taskType, payload string, priority, maxRuns, thread int) (*QueueItem, error) { + if maxRuns < -1 { + maxRuns = 1 + } + item := &QueueItem{ + TaskType: taskType, + Payload: payload, + Status: StatusPending, + Priority: priority, + MaxRuns: maxRuns, + Thread: thread, + } + if err := s.db.WithContext(ctx).Create(item).Error; err != nil { + return nil, fmt.Errorf("enqueue %s: %w", taskType, err) + } + return item, nil +} + +// ClaimBatch atomically claims up to `limit` pending tasks and marks them +// as "processing" so that concurrent scheduler instances never double-execute. +func (s *Store) ClaimBatch(ctx context.Context, limit int) ([]*QueueItem, error) { + var items []*QueueItem + + err := s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error { + query := tx. + Clauses(clause.Locking{Strength: "UPDATE", Options: "SKIP LOCKED"}). + Where("status = ?", StatusPending). + Order("priority DESC, id ASC"). + Limit(limit). + Find(&items) + + if query.Error != nil { + return query.Error + } + if len(items) == 0 { + return nil + } + + ids := make([]uint, len(items)) + for i, it := range items { + ids[i] = it.ID + } + + return tx.Model(&QueueItem{}). + Where("id IN ?", ids). + Update("status", StatusProcessing). + Error + }) + + if err != nil { + return nil, fmt.Errorf("claim batch: %w", err) + } + return items, nil +} + +// RecordResult writes a ProcessedItem, then either deletes the QueueItem (if +// MaxRuns is exhausted) or decrements MaxRuns and resets the status to pending +// for re-execution on the next tick. A maxRuns of -1 means repeat indefinitely. +func (s *Store) RecordResult(ctx context.Context, item *QueueItem, startedAt time.Time, execErr error) error { + finishedAt := time.Now() + + status := ProcessedOK + errMsg := "" + if execErr != nil { + status = ProcessedError + errMsg = execErr.Error() + } + + processed := &ProcessedItem{ + QueueItemID: item.ID, + TaskType: item.TaskType, + Payload: item.Payload, + Status: status, + ErrorMsg: errMsg, + StartedAt: startedAt, + FinishedAt: finishedAt, + DurationMs: finishedAt.Sub(startedAt).Milliseconds(), + } + + return s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error { + // 1. Insert the immutable result record. + if err := tx.Create(processed).Error; err != nil { + return fmt.Errorf("insert processed_item: %w", err) + } + + // 2. Decide: delete the queue item or re-queue it. + // MaxRuns == 1 means "run once" — delete. + // MaxRuns == -1 means "repeat indefinitely" — always re-queue. + // MaxRuns > 1 means "run N times" — decrement and re-queue. + if item.MaxRuns == 1 { + // Exhausted — delete. + if err := tx.Delete(&QueueItem{}, item.ID).Error; err != nil { + return fmt.Errorf("delete queue_item %d: %w", item.ID, err) + } + } else { + // Decrement MaxRuns (if not -1/infinite) and set back to pending. + newMaxRuns := item.MaxRuns + if newMaxRuns > 1 { + newMaxRuns-- + } + if err := tx.Model(&QueueItem{}). + Where("id = ?", item.ID). + Updates(map[string]interface{}{ + "status": StatusPending, + "max_runs": newMaxRuns, + }).Error; err != nil { + return fmt.Errorf("re-queue queue_item %d: %w", item.ID, err) + } + } + + return nil + }) +} + +// SemaphoreKey is the key used in scheduler_meta for the semaphore state. +const SemaphoreKey = "semaphore" + +// SemaphoreValueGreen is the stored value for a green semaphore. +const SemaphoreValueGreen = "green" + +// SemaphoreValueRed is the stored value for a red semaphore. +const SemaphoreValueRed = "red" + +// SetSemaphore persists the semaphore state to the database. +func (s *Store) SetSemaphore(ctx context.Context, green bool) error { + value := SemaphoreValueRed + if green { + value = SemaphoreValueGreen + } + return s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error { + var count int64 + tx.Model(&SchedulerMeta{}).Where("key = ?", SemaphoreKey).Count(&count) + if count == 0 { + return tx.Create(&SchedulerMeta{Key: SemaphoreKey, Value: value}).Error + } + return tx.Model(&SchedulerMeta{}). + Where("key = ?", SemaphoreKey). + Update("value", value).Error + }) +} + +// GetSemaphore reads the persisted semaphore state from the database. +// Returns true if green, false if red or not found. +func (s *Store) GetSemaphore(ctx context.Context) bool { + var meta SchedulerMeta + err := s.db.WithContext(ctx).Where("key = ?", SemaphoreKey).First(&meta).Error + if err != nil || meta.Value != SemaphoreValueGreen { + return false + } + return true +} + +// PendingCount returns the number of tasks currently in pending or processing state. +func (s *Store) PendingCount(ctx context.Context) (int64, error) { + var count int64 + err := s.db.WithContext(ctx). + Model(&QueueItem{}). + Where("status IN ?", []QueueStatus{StatusPending, StatusProcessing}). + Count(&count).Error + return count, err +} + +// RecentProcessed returns the last `n` processed items ordered by newest first. +func (s *Store) RecentProcessed(ctx context.Context, n int) ([]*ProcessedItem, error) { + var items []*ProcessedItem + err := s.db.WithContext(ctx). + Order("id DESC"). + Limit(n). + Find(&items).Error + return items, err +} + +// RecoverStuck resets any items stuck in "processing" state (e.g. after a +// crash) back to "pending" so they can be re-claimed on the next tick. +// Call this once at startup. +func (s *Store) RecoverStuck(ctx context.Context) (int64, error) { + result := s.db.WithContext(ctx). + Model(&QueueItem{}). + Where("status = ?", StatusProcessing). + Update("status", StatusPending) + return result.RowsAffected, result.Error +} + +// ─── Semaphore ─────────────────────────────────────────────────────────────── + +// Semaphore is the interface for the scheduler kill switch. +// Green (true) means tasks can run; Red (false) means tasks are blocked. +type Semaphore interface { + SetGreen() + SetRed() + IsGreen() bool +} + +// inMemorySemaphore is the default channel-based implementation. +type inMemorySemaphore struct { + green chan bool +} + +// NewSemaphore creates a Semaphore. Pass true to start green, false to start red. +func NewSemaphore(startGreen bool) Semaphore { + s := &inMemorySemaphore{green: make(chan bool, 1)} + s.green <- startGreen + return s +} + +func (s *inMemorySemaphore) SetGreen() { + <-s.green + s.green <- true +} + +func (s *inMemorySemaphore) SetRed() { + <-s.green + s.green <- false +} + +func (s *inMemorySemaphore) IsGreen() bool { + val := <-s.green + s.green <- val + return val +} + +// PersistedSemaphore implements Semaphore and persists every state change to +// the database via the Store, so the state survives application restarts. +type PersistedSemaphore struct { + inner Semaphore + store *Store + ctx context.Context +} + +// NewPersistedSemaphore creates a PersistedSemaphore with an initial state. +func NewPersistedSemaphore(store *Store, startGreen bool) *PersistedSemaphore { + return &PersistedSemaphore{ + inner: NewSemaphore(startGreen), + store: store, + ctx: context.Background(), + } +} + +// SetGreen allows task execution and persists the state. +func (ps *PersistedSemaphore) SetGreen() { + ps.inner.SetGreen() + _ = ps.store.SetSemaphore(ps.ctx, true) +} + +// SetRed blocks task execution and persists the state. +func (ps *PersistedSemaphore) SetRed() { + ps.inner.SetRed() + _ = ps.store.SetSemaphore(ps.ctx, false) +} + +// IsGreen reports whether execution is currently allowed. +func (ps *PersistedSemaphore) IsGreen() bool { + return ps.inner.IsGreen() +} + +// ─── Scheduler ─────────────────────────────────────────────────────────────── + +// Scheduler polls the database every interval and executes pending tasks. +type Scheduler struct { + interval time.Duration + rateLimit int // max tasks per tick; 0 = unlimited + semaphore Semaphore + store *Store + registry *Registry + + stop chan struct{} + done chan struct{} +} + +// SchedulerConfig holds constructor options. +type SchedulerConfig struct { + Interval time.Duration + RateLimit int // 0 = unlimited +} + +// NewScheduler creates a Scheduler. +func NewScheduler(cfg SchedulerConfig, sem Semaphore, st *Store, reg *Registry) *Scheduler { + return &Scheduler{ + interval: cfg.Interval, + rateLimit: cfg.RateLimit, + semaphore: sem, + store: st, + registry: reg, + stop: make(chan struct{}), + done: make(chan struct{}), + } +} + +// Start launches the scheduler goroutine. +func (s *Scheduler) Start(ctx context.Context) { + go s.run(ctx) +} + +// Stop signals the scheduler and waits for it to exit cleanly. +func (s *Scheduler) Stop() { + close(s.stop) + <-s.done +} + +// run is the main event loop. +func (s *Scheduler) run(ctx context.Context) { + defer close(s.done) + + ticker := time.NewTicker(s.interval) + defer ticker.Stop() + + for { + select { + case <-ctx.Done(): + logger.ResolveLogger().Info("[scheduler] context cancelled, shutting down") + return + case <-s.stop: + logger.ResolveLogger().Info("[scheduler] stop requested, shutting down") + return + case t := <-ticker.C: + s.tick(ctx, t) + } + } +} + +// tick runs on every ticker event. +func (s *Scheduler) tick(ctx context.Context, t time.Time) { + ts := t.Format(time.TimeOnly) + + if !s.semaphore.IsGreen() { + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] tick %s — semaphore RED, skipping", ts)) + return + } + + limit := s.rateLimit + if limit == 0 { + limit = 1000 + } + + items, err := s.store.ClaimBatch(ctx, limit) + if err != nil { + logger.ResolveLogger().Error(fmt.Sprintf("[scheduler] tick %s — claim error: %v", ts, err)) + return + } + if len(items) == 0 { + return + } + + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] tick %s — executing %d task(s)", ts, len(items))) + + // Split items into sequential vs concurrent groups. + var sequential []*QueueItem + concurrentGroups := make(map[string][]*QueueItem) // taskType -> items + + for _, item := range items { + if item.Thread != 0 { + concurrentGroups[item.TaskType] = append(concurrentGroups[item.TaskType], item) + } else { + sequential = append(sequential, item) + } + } + + // Execute sequential items one at a time. + for i, item := range sequential { + s.execute(ctx, item, i+1, len(items)) + } + + // Execute concurrent groups in parallel per type. + for _, group := range concurrentGroups { + s.executeGroup(ctx, group, len(items)) + } + + if remaining, err := s.store.PendingCount(ctx); err == nil { + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] tick %s — done (%d task(s) still queued)", ts, remaining)) + } +} + +// execute runs a task's handler one or more times within the same tick. +// When Thread=0 (sequential), runs execute one after another in a loop. +// When Thread=1 (concurrent), runs fire simultaneously in goroutines. +// The number of runs per tick is capped by the rate limit, and the item +// is re-queued with remaining runs or deleted when exhausted. +func (s *Scheduler) execute(ctx context.Context, item *QueueItem, pos, total int) { + // Determine how many runs to fire this tick. + desiredRuns := item.MaxRuns + if desiredRuns < 1 { + desiredRuns = 1 // -1 (infinite): one batch per tick + } + + // Cap by the rate limit so one item cannot exhaust the tick budget. + budget := s.rateLimit + if budget <= 0 { + budget = 1000 + } + if desiredRuns > budget { + desiredRuns = budget + } + + remainingRuns := 0 + if item.MaxRuns == -1 { + remainingRuns = -1 + } else { + remainingRuns = item.MaxRuns - desiredRuns + if remainingRuns < 0 { + remainingRuns = 0 + } + } + + isConcurrent := item.Thread != 0 + if isConcurrent { + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] [%d/%d] task id=%d type=%s firing %d/%d concurrent run(s)", pos, total, item.ID, item.TaskType, desiredRuns, item.MaxRuns)) + } else { + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] [%d/%d] task id=%d type=%s firing %d/%d sequential run(s)", pos, total, item.ID, item.TaskType, desiredRuns, item.MaxRuns)) + } + + if isConcurrent { + // ── Concurrent: all runs in parallel goroutines ── + var wg sync.WaitGroup + wg.Add(desiredRuns) + + for i := 0; i < desiredRuns; i++ { + go func(runIdx int) { + defer wg.Done() + startedAt := time.Now() + handler := s.registry.get(item.TaskType) + execErr := handler(ctx, item) + + finishedAt := time.Now() + elapsed := finishedAt.Sub(startedAt).Milliseconds() + + status := ProcessedOK + errMsg := "" + if execErr != nil { + status = ProcessedError + errMsg = execErr.Error() + } + + processed := &ProcessedItem{ + QueueItemID: item.ID, + TaskType: item.TaskType, + Payload: item.Payload, + Status: status, + ErrorMsg: errMsg, + StartedAt: startedAt, + FinishedAt: finishedAt, + DurationMs: elapsed, + } + if err := s.store.db.WithContext(ctx).Create(processed).Error; err != nil { + logger.ResolveLogger().Error(fmt.Sprintf("[scheduler] [%d/%d] failed to record processed_item for id=%d run=%d: %v", pos, total, item.ID, runIdx+1, err)) + } + + if execErr != nil { + logger.ResolveLogger().Error(fmt.Sprintf("[scheduler] [%d/%d] task id=%d run=%d FAILED after %dms: %v", pos, total, item.ID, runIdx+1, elapsed, execErr)) + } else { + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] [%d/%d] task id=%d run=%d OK (%dms)", pos, total, item.ID, runIdx+1, elapsed)) + } + }(i) + } + + wg.Wait() + } else { + // ── Sequential: all runs one after another ── + for i := 0; i < desiredRuns; i++ { + startedAt := time.Now() + handler := s.registry.get(item.TaskType) + execErr := handler(ctx, item) + + finishedAt := time.Now() + elapsed := finishedAt.Sub(startedAt).Milliseconds() + + status := ProcessedOK + errMsg := "" + if execErr != nil { + status = ProcessedError + errMsg = execErr.Error() + } + + processed := &ProcessedItem{ + QueueItemID: item.ID, + TaskType: item.TaskType, + Payload: item.Payload, + Status: status, + ErrorMsg: errMsg, + StartedAt: startedAt, + FinishedAt: finishedAt, + DurationMs: elapsed, + } + if err := s.store.db.WithContext(ctx).Create(processed).Error; err != nil { + logger.ResolveLogger().Error(fmt.Sprintf("[scheduler] [%d/%d] failed to record processed_item for id=%d run=%d: %v", pos, total, item.ID, i+1, err)) + } + + if execErr != nil { + logger.ResolveLogger().Error(fmt.Sprintf("[scheduler] [%d/%d] task id=%d run=%d FAILED after %dms: %v", pos, total, item.ID, i+1, elapsed, execErr)) + } else { + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] [%d/%d] task id=%d run=%d OK (%dms)", pos, total, item.ID, i+1, elapsed)) + } + } + } + + // ── After all runs: decide the queue item's fate ── + if remainingRuns == -1 { + if err := s.store.db.WithContext(ctx). + Model(&QueueItem{}). + Where("id = ?", item.ID). + Updates(map[string]interface{}{ + "status": StatusPending, + "max_runs": -1, + }).Error; err != nil { + logger.ResolveLogger().Error(fmt.Sprintf("[scheduler] [%d/%d] failed to re-queue infinite item id=%d: %v", pos, total, item.ID, err)) + } + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] [%d/%d] task id=%d re-queued for next tick (infinite)", pos, total, item.ID)) + } else if remainingRuns > 0 { + if err := s.store.db.WithContext(ctx). + Model(&QueueItem{}). + Where("id = ?", item.ID). + Updates(map[string]interface{}{ + "status": StatusPending, + "max_runs": remainingRuns, + }).Error; err != nil { + logger.ResolveLogger().Error(fmt.Sprintf("[scheduler] [%d/%d] failed to re-queue item id=%d with %d remaining runs: %v", pos, total, item.ID, remainingRuns, err)) + } + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] [%d/%d] task id=%d re-queued with %d run(s) remaining", pos, total, item.ID, remainingRuns)) + } else { + if err := s.store.db.WithContext(ctx).Delete(&QueueItem{}, item.ID).Error; err != nil { + logger.ResolveLogger().Error(fmt.Sprintf("[scheduler] [%d/%d] failed to delete finished item id=%d: %v", pos, total, item.ID, err)) + } + logger.ResolveLogger().Info(fmt.Sprintf("[scheduler] [%d/%d] task id=%d all runs exhausted, deleted", pos, total, item.ID)) + } +} + +// executeGroup runs all items in a group concurrently using goroutines. +// Each item's result is recorded independently. +func (s *Scheduler) executeGroup(ctx context.Context, items []*QueueItem, total int) { + var wg sync.WaitGroup + wg.Add(len(items)) + + for _, item := range items { + item := item // capture range variable + go func() { + defer wg.Done() + // Find the item's position among all items for logging context. + // Since we don't have global position here, use a local index. + s.execute(ctx, item, 0, total) + }() + } + + wg.Wait() +} diff --git a/session.go b/session.go new file mode 100644 index 0000000..16888de --- /dev/null +++ b/session.go @@ -0,0 +1,146 @@ +// Copyright (c) 2026 Zeni Kim +// Use of this source code is governed by MIT-style +// license that can be found in the LICENSE file. + +package core + +import ( + "crypto/md5" + "encoding/json" + "fmt" + "sync" + "time" +) + +// SessionUser handles user session data management with thread-safe operations. +// Sessions are stored in the cache (Redis) and are tied to an authenticated user +// via JWT tokens stored in cookies. +type SessionUser struct { + mu sync.RWMutex + context *Context + userID uint + hashedSessionKey string + authenticated bool + sessionStart time.Time + values map[string]interface{} +} + +// Init initializes the session by validating the user's JWT token from the cookie. +// It checks the cached token, verifies it matches, and loads any existing session data. +// Returns true if the session was successfully established. +func (s *SessionUser) Init(c *Context) bool { + s.context = c + + // get cookie + usercookie, err := c.GetCookie() + if err != nil || usercookie.Token == "" { + return false + } + + payload, err := c.GetJWT().DecodeToken(usercookie.Token) + if err != nil { + return false + } + + userID := uint(c.CastToInt(payload["userID"])) + userAgent := c.GetUserAgent() + + // verify token against cached value + hashedCacheKey := CreateAuthTokenHashedCacheKey(userID, userAgent) + cachedToken, err := c.GetCache().Get(hashedCacheKey) + if err != nil || cachedToken != usercookie.Token { + return false + } + + // session established - load session data from cache + userAgent = c.GetUserAgent() + sessionKey := fmt.Sprintf("sess_%v", userAgent) + s.hashedSessionKey = CreateAuthTokenHashedCacheKey(userID, sessionKey) + s.values = make(map[string]interface{}) + s.authenticated = true + s.userID = userID + + value, _ := c.GetCache().Get(s.hashedSessionKey) + if len(value) > 0 { + _ = json.Unmarshal([]byte(value), &s.values) + } + + return true +} + +// Set stores a value in the session and persists it to the cache. +func (s *SessionUser) Set(key string, value interface{}) error { + s.mu.Lock() + s.values[key] = value + s.mu.Unlock() + return s.Save() +} + +// Get retrieves a value from the session. Returns the value and a boolean indicating if the key exists. +func (s *SessionUser) Get(key string) (interface{}, bool) { + s.mu.RLock() + defer s.mu.RUnlock() + val, ok := s.values[key] + return val, ok +} + +// Delete removes a specific key from the session and persists the change. +// Returns the deleted value if it existed. +func (s *SessionUser) Delete(key string) interface{} { + s.mu.RLock() + v, ok := s.values[key] + s.mu.RUnlock() + if ok { + s.mu.Lock() + delete(s.values, key) + s.mu.Unlock() + } + s.Save() + return v +} + +// Flush deletes all session data from the cache. +func (s *SessionUser) Flush() error { + s.mu.Lock() + defer s.mu.Unlock() + if s.hashedSessionKey != "" { + _ = s.context.GetCache().Delete(s.hashedSessionKey) + } + s.values = make(map[string]interface{}) + s.authenticated = false + return nil +} + +// Save persists the current session values to the cache. +func (s *SessionUser) Save() error { + s.mu.RLock() + defer s.mu.RUnlock() + + if len(s.values) > 0 { + buf, err := json.Marshal(&s.values) + if err != nil { + return err + } + return s.context.GetCache().Set(s.hashedSessionKey, string(buf)) + } + + _ = s.context.GetCache().Delete(s.hashedSessionKey) + return nil +} + +// GetUserID returns the user ID of the authenticated session user. +func (s *SessionUser) GetUserID() uint { + return s.userID +} + +// IsAuthenticated returns whether the session has been successfully authenticated. +func (s *SessionUser) IsAuthenticated() bool { + return s.authenticated +} + +// CreateAuthTokenHashedCacheKey generates a hashed cache key used to store JWT tokens and session data. +// The key is based on the user ID and user agent, hashed with MD5. +func CreateAuthTokenHashedCacheKey(userID uint, userAgent string) string { + cacheKey := fmt.Sprintf("userid:_%v_useragent:_%v_jwt_token", userID, userAgent) + return fmt.Sprintf("%x", md5.Sum([]byte(cacheKey))) +} diff --git a/template/components/form_color_opacity.go b/template/components/form_color_opacity.go deleted file mode 100644 index 1998386..0000000 --- a/template/components/form_color_opacity.go +++ /dev/null @@ -1,14 +0,0 @@ -package components - -type FormColorOpacity struct { - ColorID string - OpacityID string - Label string - ColorHexValue string - OpacityValue string - Hint string - Error string - IsDisabled bool - IsRequired bool - HasOpacity bool -} diff --git a/template/components/form_color_opacity.html b/template/components/form_color_opacity.html deleted file mode 100644 index b429d55..0000000 --- a/template/components/form_color_opacity.html +++ /dev/null @@ -1,28 +0,0 @@ -{{ define "form_color_opacity"}} -
- -
- - {{if eq .HasOpacity true}} - opacity: - {{if ne .Hint ""}}{{.Hint}}{{end}} - {{if ne .Error ""}}
{{.Error}}
{{end}} - {{end}} -
- -{{end}} - \ No newline at end of file diff --git a/templates.go b/templates.go index 38ef4f2..cf6692e 100644 --- a/templates.go +++ b/templates.go @@ -1,4 +1,4 @@ -// Copyright (c) 2024 Zeni Kim +// Copyright (c) 2026 Zeni Kim // Use of this source code is governed by MIT-style // license that can be found in the LICENSE file. @@ -6,15 +6,337 @@ package core import ( "embed" + "fmt" "html/template" "io/fs" + "math" + "reflect" "strings" + "time" + "unicode" + "golang.org/x/text/language" + "golang.org/x/text/message" ) var tmpl *template.Template = nil +// ───────────────────────────────────────────── +// Struct helpers +// ───────────────────────────────────────────── + +// hasField checks if a struct has a given field name. +// It can be used inside Go html/templates like: +// +// {{if hasField . "FieldA"}}{{.FieldA}}{{end}} +func hasField(v interface{}, name string) bool { + rv := reflect.ValueOf(v) + if rv.Kind() == reflect.Ptr { + rv = rv.Elem() + } + if rv.Kind() != reflect.Struct { + return false + } + return rv.FieldByName(name).IsValid() +} + +// ───────────────────────────────────────────── +// String helpers +// ───────────────────────────────────────────── + +// capitalize uppercases the first letter of a string and lowercases the rest. +// +// {{capitalize "hello world"}} → "Hello world" +func capitalize(s string) string { + if s == "" { + return "" + } + runes := []rune(s) + runes[0] = unicode.ToUpper(runes[0]) + for i := 1; i < len(runes); i++ { + runes[i] = unicode.ToLower(runes[i]) + } + return string(runes) +} + +// prepend adds a prefix string to the beginning of s. +// +// {{prepend "World" "Hello, "}} → "Hello, World" +func prepend(s, prefix string) string { + return prefix + s +} + +// strAppend adds a suffix string to the end of s. +// Named strAppend to avoid collision with the builtin append keyword. +// +// {{strAppend "Hello" "!"}} → "Hello!" +func strAppend(s, suffix string) string { + return s + suffix +} + +// split divides s into a slice of substrings separated by sep. +// Useful when combined with range in templates. +// +// {{range split .Tags ","}}...{{end}} +func split(s, sep string) []string { + return strings.Split(s, sep) +} + +// truncate cuts s to at most n characters. Designed for pipeline use: +// {{.Title | truncate 30}} +func truncate(n int, s string) string { + runes := []rune(s) + if len(runes) <= n { + return s + } + return string(runes[:n]) + "…" +} + +// ───────────────────────────────────────────── +// Number helpers +// ───────────────────────────────────────────── + +// fmtNumber formats an integer or float with thousands separators +// using the English locale (e.g. 1000000 → "1,000,000"). +// +// {{fmtNumber .Price}} +func fmtNumber(v interface{}) string { + p := message.NewPrinter(language.English) + switch n := v.(type) { + case int: + return p.Sprintf("%d", n) + case int64: + return p.Sprintf("%d", n) + case float64: + // trim unnecessary trailing zeros + formatted := p.Sprintf("%.2f", n) + return formatted + case float32: + return p.Sprintf("%.2f", n) + default: + return fmt.Sprintf("%v", v) + } +} + +// ───────────────────────────────────────────── +// Date & time helpers +// ───────────────────────────────────────────── + +// fmtDate formats a time.Time value using a named layout or a custom Go layout string. +// Named layouts: "short" → "02 Jan 2006", "long" → "02 January 2006", +// "iso" → "2006-01-02", "datetime" → "02 Jan 2006 15:04". +// Any other string is used directly as a Go time layout. +// +// {{fmtDate .PublishedAt "short"}} +// {{fmtDate .CreatedAt "02/01/2006"}} +func fmtDate(t time.Time, layout string) string { + switch layout { + case "short": + return t.Format("02 Jan 2006") + case "long": + return t.Format("02 January 2006") + case "iso": + return t.Format("2006-01-02") + case "datetime": + return t.Format("02 Jan 2006 15:04") + default: + return t.Format(layout) + } +} + +// timeAgo returns a human-readable relative time string from now. +// +// {{timeAgo .PublishedAt}} → "3 hours ago", "2 days ago", "just now" +func timeAgo(t time.Time) string { + diff := time.Since(t) + + switch { + case diff < time.Minute: + return "just now" + case diff < time.Hour: + m := int(math.Round(diff.Minutes())) + return plural(m, "minute") + " ago" + case diff < 24*time.Hour: + h := int(math.Round(diff.Hours())) + return plural(h, "hour") + " ago" + case diff < 7*24*time.Hour: + d := int(math.Round(diff.Hours() / 24)) + return plural(d, "day") + " ago" + case diff < 30*24*time.Hour: + w := int(math.Round(diff.Hours() / 24 / 7)) + return plural(w, "week") + " ago" + case diff < 365*24*time.Hour: + mo := int(math.Round(diff.Hours() / 24 / 30)) + return plural(mo, "month") + " ago" + default: + y := int(math.Round(diff.Hours() / 24 / 365)) + return plural(y, "year") + " ago" + } +} + +// plural is an internal helper that returns "1 item" or "N items". +func plural(n int, unit string) string { + if n == 1 { + return fmt.Sprintf("%d %s", n, unit) + } + return fmt.Sprintf("%d %ss", n, unit) +} + +// ───────────────────────────────────────────── +// Collection helpers +// ───────────────────────────────────────────── + +// first returns the first element of a slice, or nil if empty. +// +// {{with first .Items}}{{.Name}}{{end}} +func first(slice interface{}) interface{} { + rv := reflect.ValueOf(slice) + if rv.Kind() != reflect.Slice || rv.Len() == 0 { + return nil + } + return rv.Index(0).Interface() +} + +// last returns the last element of a slice, or nil if empty. +// +// {{with last .Items}}{{.Name}}{{end}} +func last(slice interface{}) interface{} { + rv := reflect.ValueOf(slice) + if rv.Kind() != reflect.Slice || rv.Len() == 0 { + return nil + } + return rv.Index(rv.Len() - 1).Interface() +} + +// sliceOf returns a sub-range of a slice from index start (inclusive) to end (exclusive). +// Named sliceOf to avoid collision with the builtin slice expression. +// +// {{range sliceOf .Items 0 3}}...{{end}} +func sliceOf(slice interface{}, start, end int) interface{} { + rv := reflect.ValueOf(slice) + if rv.Kind() != reflect.Slice { + return nil + } + if start < 0 { + start = 0 + } + if end > rv.Len() { + end = rv.Len() + } + return rv.Slice(start, end).Interface() +} + +// contains reports whether item is present in slice (or substr in a string). +// +// {{if contains .Tags "go"}}...{{end}} +// {{if contains .Bio "engineer"}}...{{end}} +func contains(collection, item interface{}) bool { + // string substring check + if s, ok := collection.(string); ok { + if sub, ok := item.(string); ok { + return strings.Contains(s, sub) + } + return false + } + rv := reflect.ValueOf(collection) + if rv.Kind() != reflect.Slice { + return false + } + for i := 0; i < rv.Len(); i++ { + if reflect.DeepEqual(rv.Index(i).Interface(), item) { + return true + } + } + return false +} + +// join concatenates the elements of a string slice with sep as separator. +// +// {{join .Tags ", "}} +func join(slice []string, sep string) string { + return strings.Join(slice, sep) +} + +// ───────────────────────────────────────────── +// Logic helpers +// ───────────────────────────────────────────── + +// defaultVal returns fallback if value is the zero value or an empty string. +// +// {{defaultVal "N/A" .OptionalField}} +func defaultVal(fallback, value interface{}) interface{} { + if value == nil { + return fallback + } + rv := reflect.ValueOf(value) + if rv.IsZero() { + return fallback + } + return value +} + +// ternary returns trueVal if condition is true, falseVal otherwise. +// +// {{ternary "Active" "Inactive" .IsActive}} +func ternary(trueVal, falseVal interface{}, condition bool) interface{} { + if condition { + return trueVal + } + return falseVal +} + +// coalesce returns the first non-empty, non-nil value from the provided list. +// +// {{coalesce .Nickname .FullName "Anonymous"}} +func coalesce(values ...interface{}) interface{} { + for _, v := range values { + if v == nil { + continue + } + rv := reflect.ValueOf(v) + if !rv.IsZero() { + return v + } + } + return nil +} + +// ───────────────────────────────────────────── +// FuncMap registry +// ───────────────────────────────────────────── + +func funcMap() template.FuncMap { + return template.FuncMap{ + // Struct + "hasField": hasField, + // String + "capitalize": capitalize, + "prepend": prepend, + "strAppend": strAppend, + "split": split, + "truncate": truncate, + // Number + "fmtNumber": fmtNumber, + // Date & time + "fmtDate": fmtDate, + "timeAgo": timeAgo, + // Collections + "first": first, + "last": last, + "sliceOf": sliceOf, + "contains": contains, + "join": join, + // Logic + "defaultVal": defaultVal, + "ternary": ternary, + "coalesce": coalesce, + } +} + +// ───────────────────────────────────────────── +// Template initializer +// ───────────────────────────────────────────── + func NewTemplates(components embed.FS, templates embed.FS) { - // templates var paths []string fs.WalkDir(components, ".", func(path string, d fs.DirEntry, err error) error { if strings.Contains(d.Name(), ".html") { @@ -31,6 +353,28 @@ func NewTemplates(components embed.FS, templates embed.FS) { return nil }) - tmpla := template.Must(template.ParseFS(components, paths...)) - tmpl = template.Must(tmpla.ParseFS(templates, pathst...)) + tmpl = template.Must( + template.New(""). + Funcs(funcMap()). + ParseFS(components, paths...), + ) + tmpl = template.Must(tmpl.ParseFS(templates, pathst...)) +} + + +// RenderNamedTemplate executes a named template from the registered set with +// the given data and returns the rendered HTML. +// Usage: +// +// html, err := core.RenderNamedTemplate("tabler_table", data) +// if err != nil { +// // handle error +// } +// return c.Response.HTML(string(html)) +func RenderNamedTemplate(name string, data interface{}) (template.HTML, error) { + var buf strings.Builder + if err := tmpl.ExecuteTemplate(&buf, name, data); err != nil { + return "", fmt.Errorf("failed to execute template %q: %w", name, err) + } + return template.HTML(buf.String()), nil }