[add] dump command

cmd/dump.go

@@ -0,0 +1,200 @@
+package cmd
+
+import (
+	"archive/zip"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/kun/exception"
+	"github.com/yaoapp/yao/config"
+	"github.com/yaoapp/yao/engine"
+)
+
+var dumpModel string
+var dumpCmd = &cobra.Command{
+	Use:   "dump",
+	Short: L("Dump the application data"),
+	Long:  L("Dump the application data"),
+	Run: func(cmd *cobra.Command, args []string) {
+		defer func() {
+			err := exception.Catch(recover())
+			if err != nil {
+				fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+			}
+		}()
+
+		Boot()
+
+		path, err := filepath.Abs(".")
+		if err != nil {
+			fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+			os.Exit(1)
+		}
+
+		output := filepath.Join(fmt.Sprintf("%s-%s.zip", filepath.Base(path), time.Now().Format("20060102150405")))
+		if len(args) > 0 {
+			output = args[0]
+		}
+
+		output, err = filepath.Abs(output)
+		if err != nil {
+			fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+			os.Exit(1)
+		}
+
+		// Load model
+		err = engine.Load(config.Conf)
+		if err != nil {
+			fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+			os.Exit(1)
+		}
+
+		if dumpModel != "" {
+			mod, has := gou.Models[dumpModel]
+			if has {
+				mod.Migrate(true)
+			}
+			return
+		}
+
+		// Export models
+		files := []string{}
+		for _, mod := range gou.Models {
+
+			fmt.Printf("\r%s", color.GreenString(L("Export the models: %s (%s)"), mod.Name, mod.MetaData.Table.Name))
+			jsonfiles, err := mod.Export(5000, func(curr, total int) {
+				fmt.Printf("\r%s", strings.Repeat(" ", 80))
+				fmt.Printf("\r%s", color.GreenString(L("Export the models: %s (%s) %d/%d"), mod.Name, mod.MetaData.Table.Name, curr, total))
+			})
+
+			if err != nil {
+				fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+				os.Exit(1)
+			}
+			files = append(files, jsonfiles...)
+		}
+		fmt.Printf("\r%s", strings.Repeat(" ", 80))
+		fmt.Printf("\r%s\n", color.GreenString(L("Export the models: ✨DONE✨")))
+
+		// Compress files
+		err = zipfiles(files, output, func(file string) {
+			fmt.Printf("\r%s", strings.Repeat(" ", 80))
+			fmt.Printf("\r%s", color.GreenString(L("Compress the files: %s"), file))
+		})
+		fmt.Printf("\r%s", strings.Repeat(" ", 80))
+		fmt.Printf("\r%s\n", color.GreenString(L("Compress the files: ✨DONE✨")))
+
+		if err != nil {
+			fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+			os.Exit(1)
+		}
+
+		fmt.Println(color.GreenString("File: %s", output))
+	},
+}
+
+func init() {
+	dumpCmd.PersistentFlags().StringVarP(&dumpModel, "name", "n", "", L("Model name"))
+}
+
+// gzipfiles
+func zipfiles(files []string, output string, process func(file string)) error {
+	outpath := filepath.Dir(output)
+	os.MkdirAll(outpath, 0755)
+
+	outfile, err := os.Create(output)
+	if err != nil {
+		fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+		os.Exit(1)
+	}
+	defer outfile.Close()
+
+	w := zip.NewWriter(outfile)
+	defer func() {
+		w.Close()
+		if err != nil {
+			fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+			os.Exit(1)
+		}
+	}()
+
+	for _, file := range files {
+		addFile(w, file, "model", process)
+	}
+
+	// Add data path
+	dataPath := filepath.Join(config.Conf.Root, "data")
+	_, err = os.Stat(dataPath)
+	if err == nil {
+		addFolder(w, dataPath, "data", process)
+	}
+
+	return nil
+}
+
+func addFile(w *zip.Writer, file, baseInZip string, process func(file string)) {
+	process(filepath.Join(baseInZip, filepath.Base(file)))
+	dat, err := ioutil.ReadFile(file)
+	if err != nil {
+		fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+		os.Exit(1)
+	}
+
+	// Add some files to the archive.
+	f, err := w.Create(filepath.Join(baseInZip, filepath.Base(file)))
+	if err != nil {
+		fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+		os.Exit(1)
+	}
+	_, err = f.Write(dat)
+	if err != nil {
+		fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+		os.Exit(1)
+	}
+
+	os.Remove(file)
+}
+
+func addFolder(w *zip.Writer, basePath, baseInZip string, process func(file string)) {
+
+	// Open the Directory
+	files, err := ioutil.ReadDir(basePath)
+	if err != nil {
+		fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+		os.Exit(1)
+	}
+
+	for _, file := range files {
+		process(filepath.Join(baseInZip, file.Name()))
+		if !file.IsDir() {
+			dat, err := ioutil.ReadFile(filepath.Join(basePath, file.Name()))
+			if err != nil {
+				fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+				os.Exit(1)
+			}
+
+			// Add some files to the archive.
+			f, err := w.Create(filepath.Join(baseInZip, file.Name()))
+			if err != nil {
+				fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+				os.Exit(1)
+			}
+			_, err = f.Write(dat)
+			if err != nil {
+				fmt.Println(color.RedString(L("Fatal: %s"), err.Error()))
+				os.Exit(1)
+			}
+		} else if file.IsDir() {
+			// Recurse
+			newBase := filepath.Join(basePath, file.Name())
+			addFolder(w, newBase, filepath.Join(baseInZip, file.Name()), process)
+		}
+	}
+}

cmd/root.go

@@ -92,6 +92,7 @@ func init() {
 		runCmd,
 		initCmd,
 		serviceCmd,
+		dumpCmd,
 	)
 	// rootCmd.SetHelpCommand(helpCmd)
 	rootCmd.PersistentFlags().StringVarP(&appPath, "app", "a", "", L("Application directory"))