initial commits 1

cmd/generate-handler.go

@@ -0,0 +1,65 @@
+// Copyright © Harran Ali <harran.m@gmail.com>. All rights reserved.
+// Use of this source code is governed by MIT-style
+// license that can be found in the LICENSE file.
+
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/spf13/cobra"
+)
+
+var GenerateHandlerCmd = &cobra.Command{
+	Use:   "gen:handler [HandlerName]",
+	Short: "Create a handler",
+	Long: `Helps you generate a boilderplate code for handlers
+
+example:
+goffee gen:handler ListUsers --file users.go
+
+`,
+	Args: cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		pwd, err := os.Getwd()
+		if err != nil {
+			fmt.Println(err.Error())
+			os.Exit(1)
+		}
+		handlerName := args[0]
+		handlersFileName, err := cmd.Flags().GetString("file")
+		if err != nil {
+			fmt.Println(err.Error())
+			os.Exit(1)
+		}
+		handlersFileName = strings.ToLower(handlersFileName)
+		var handlersFile *os.File
+		handlersFilePath := filepath.Join(pwd, "handlers", handlersFileName)
+		hfs, err := os.Stat(handlersFilePath)
+		if err != nil && !os.IsNotExist(err) {
+			fmt.Printf("problem reading the file: %v\n", handlersFilePath)
+			os.Exit(1)
+		}
+
+		if hfs == nil {
+			handlersFile, err = createHandlerFile(handlersFilePath)
+		} else {
+			handlersFile, err = os.OpenFile(handlersFilePath, os.O_RDWR|os.O_APPEND, 766)
+		}
+		if err != nil {
+			fmt.Println(err.Error())
+			os.Exit(1)
+		}
+		handlersFile.WriteString(prepareHandlerContent(handlerName))
+		fmt.Println("handler generated successfully")
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(GenerateHandlerCmd)
+	GenerateHandlerCmd.Flags().StringP("file", "f", "", "the file name within 'handlers/' directory in which to put the handler, if its not there a new one will be created")
+	GenerateHandlerCmd.MarkFlagRequired("file")
+}