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| Original file line number | Diff line number | Diff line change |
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@@ -14,4 +14,7 @@ build: | |
| test: | ||
| go test --cover ./... | ||
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| run: | ||
| go run ./cmd/gotit | ||
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| .PHONY: clean run | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| package cmd | ||
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| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "os" | ||
| "os/signal" | ||
| "syscall" | ||
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| "github.com/anivanovic/gotit/pkg/logger" | ||
| "github.com/anivanovic/gotit/pkg/printer" | ||
| "github.com/spf13/cobra" | ||
| "github.com/spf13/viper" | ||
| "go.uber.org/zap" | ||
| ) | ||
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| type ( | ||
| AppConfig struct { | ||
| Log struct { | ||
| Level string `mapstructure:"level"` | ||
| Format string `mapstructure:"format"` | ||
| } `mapstructure:"log"` | ||
| CfgPath string | ||
| } | ||
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| App struct { | ||
| appCfg *AppConfig | ||
| rootCmd *cobra.Command | ||
| } | ||
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| AppContext struct { | ||
| log *zap.Logger | ||
| printer printer.Printer | ||
| } | ||
| ) | ||
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| func NewApp() *App { | ||
| rootCmd := cobra.Command{ | ||
| Use: "gotit", | ||
| } | ||
| cobra.OnInitialize() | ||
| cfg := AppConfig{} | ||
| rootCmd.PersistentFlags().StringVarP(&cfg.Log.Level, "log-level", "l", "info", "App logging level [info,debug,trace,warning,error,silent]") | ||
| rootCmd.PersistentFlags().StringVar(&cfg.Log.Format, "log-format", "color", "Logging format [text,color,json]") | ||
| rootCmd.PersistentFlags().StringVar(&cfg.CfgPath, "config", "", "Config file location") | ||
| viper.BindPFlag("log.level", rootCmd.Flags().Lookup("log-level")) | ||
| viper.BindPFlag("log.format", rootCmd.Flags().Lookup("log-format")) | ||
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| app := &App{ | ||
| appCfg: &cfg, | ||
| rootCmd: &rootCmd, | ||
| } | ||
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| rootCmd.AddCommand(NewCommand(app)) | ||
| rootCmd.AddCommand(NewDownloadCommand(app)) | ||
| rootCmd.AddCommand(NewVersionCommand()) | ||
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| return app | ||
| } | ||
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| func (a App) Execute() error { | ||
| return a.rootCmd.Execute() | ||
| } | ||
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| func initConfig(cfgPath string) error { | ||
| if cfgPath != "" { | ||
| viper.SetConfigFile(cfgPath) | ||
| } else { | ||
| viper.AddConfigPath("$HOME") | ||
| viper.AddConfigPath(".") | ||
| viper.SetConfigName(".gotit") | ||
| } | ||
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| viper.SetEnvPrefix("gotit") | ||
| viper.AutomaticEnv() | ||
| viper.SetConfigType("yaml") | ||
| if err := viper.ReadInConfig(); err != nil { | ||
| var cfgNotFound viper.ConfigFileNotFoundError | ||
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| // if we do not find configuration and we specified it | ||
| isPathErr := errors.As(err, &cfgNotFound) | ||
| if isPathErr && cfgPath != "" { | ||
| return cfgNotFound | ||
| } | ||
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| if !isPathErr { | ||
| return err | ||
| } | ||
| } | ||
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| return nil | ||
| } | ||
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| func (a App) NewCmdRun( | ||
| fn func(ctx context.Context, appCtx AppContext, args []string) error, | ||
| ) func(cmd *cobra.Command, args []string) { | ||
| ctx := context.Background() | ||
| ctx, stop := signal.NotifyContext(ctx, syscall.SIGTERM, syscall.SIGINT) | ||
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| if err := initConfig(a.appCfg.CfgPath); err != nil { | ||
| fmt.Println("could not resolve configuration", err) | ||
| os.Exit(1) | ||
| } | ||
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| logCfg := a.appCfg.Log | ||
| l, err := logger.NewCommandLine(logCfg.Level, logCfg.Format) | ||
| if err != nil { | ||
| _, _ = fmt.Fprint(os.Stderr, "") | ||
| } | ||
| appCtx := AppContext{log: l, printer: printer.NewConsole()} | ||
| return func(_ *cobra.Command, args []string) { | ||
| defer stop() | ||
| if err := fn(ctx, appCtx, args); err != nil { | ||
| appCtx.printer.Fatal(1, "error with the app") | ||
| } | ||
| } | ||
| } |
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