Add init command for projects file and improve error messages

cmd/app.go

@@ -19,7 +19,8 @@ func registerAppCommand() {
 	app.Action = func(context *cli.Context) error {
 		_, err := lazydraft.GetProjectConfig()
 		if err != nil {
-			return err
+			fmt.Println(err.Error())
+			return nil
 		}
 		if context.NArg() == 0 {
 			fmt.Println("\n use 'lazydraft help' to see available commands")
@@ -30,6 +31,7 @@ func registerAppCommand() {
 
 func registerCommands() {
 	app.Commands = []*cli.Command{
+		registerInitCommand(),
 		registerProjectCommand(),
 		registerDraftCommand(),
 	}

cmd/init.go

@@ -0,0 +1,39 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/urfave/cli/v2"
+	"io/ioutil"
+	"lazy-publish/lazydraft"
+	"os"
+)
+
+func registerInitCommand() *cli.Command {
+	return &cli.Command{
+		Name:    "init",
+		Aliases: []string{"i"},
+		Usage:   "Create projects.yml to start tracking your projects",
+		Action: func(context *cli.Context) error {
+			configFile := lazydraft.ConfigFileName
+			homeDir, err := os.UserHomeDir()
+			if err != nil {
+				return err
+			}
+			configFilePath := homeDir + "/" + configFile
+			_, err = os.ReadFile(configFilePath)
+			if err == nil {
+				fmt.Println("\nprojects.yml file is present")
+				return nil
+			}
+			fmt.Println("\nCreating projects.yml ...")
+			configDir := homeDir + "/" + lazydraft.ConfigBaseDir + "/" + lazydraft.ConfigFileDir
+			_, err = os.ReadDir(configDir)
+			if err != nil {
+				os.Mkdir(configDir, 0777)
+			}
+			ioutil.WriteFile(configFilePath, []byte{}, 0666)
+			fmt.Printf("\nprojects.yml is created at '%s'\n", configFilePath)
+			return nil
+		},
+	}
+}

lazydraft/inputFile.go

@@ -7,8 +7,11 @@ import (
 	"os"
 )
 
-const projectFileDoesNotExistsError = "lazydraft project config file does not exist"
-const configFileName = ".config/lazydraft/projects.yml"
+const projectFileDoesNotExistsError = "\nprojects.yml file could not be found. See 'lazydraft help init'"
+const projectFormatInvalidError = "\nprojects.yml file format is invalid. See 'lazydraft config'"
+const ConfigFileName = ".config/lazydraft/projects.yml"
+const ConfigFileDir = "lazydraft"
+const ConfigBaseDir = ".config"
 const userHomeDirectoryError = "user home directory cannot be retrieved"
 const configFilePathError = "lazydraft file path cannot be retrieved"
 
@@ -30,7 +33,7 @@ func (yf InputFile) readProjectConfig() (*ProjectConfig, error) {
 	}
 	err = yaml.Unmarshal(data, &projectConfig.Data)
 	if err != nil {
-		return nil, errors.New(projectFileDoesNotExistsError)
+		return nil, errors.New(projectFormatInvalidError)
 	}
 	return &projectConfig, nil
 }
@@ -53,7 +56,7 @@ func getConfigFilePath() (*InputFile, error) {
 		return nil, errors.New(userHomeDirectoryError)
 	}
 	configFile := InputFile{
-		Path: dirname + "/" + configFileName,
+		Path: dirname + "/" + ConfigFileName,
 	}
 	return &configFile, nil
 }