feat(cmd/gf): add command gf doc for local documentation

cmd/gf/gfcmd/gfcmd.go

@@ -88,6 +88,7 @@ func GetCommand(ctx context.Context) (*Command, error) {
 		cmd.Docker,
 		cmd.Install,
 		cmd.Version,
+		cmd.Doc,
 	)
 	if err != nil {
 		return nil, err

cmd/gf/internal/cmd/cmd_doc.go

@@ -0,0 +1,177 @@
+// Copyright GoFrame gf Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package cmd
+
+import (
+	"context"
+	"io"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+	"time"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
+	"github.com/gogf/gf/v2/encoding/gcompress"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gfile"
+)
+
+const (
+	// DocURL is the download address of the document
+	DocURL = "https://github.com/gogf/gf/archive/refs/heads/gh-pages.zip"
+)
+
+var (
+	Doc = cDoc{}
+)
+
+type cDoc struct {
+	g.Meta `name:"doc" brief:"download https://pages.goframe.org/ to run locally"`
+}
+
+type cDocInput struct {
+	g.Meta `name:"doc" config:"gfcli.doc"`
+	Path   string `short:"p"  name:"path"    brief:"download docs directory path, default is \"%temp%/goframe\""`
+	Port   int    `short:"o"  name:"port"    brief:"http server port, default is 8080" d:"8080"`
+	Update bool   `short:"u"  name:"update"  brief:"clean docs directory and update docs"`
+	Clean  bool   `short:"c"  name:"clean"   brief:"clean docs directory"`
+	Proxy  string `short:"x"  name:"proxy"   brief:"proxy for download, such as https://hub.gitmirror.com/;https://ghproxy.com/;https://ghproxy.net/;https://ghps.cc/"`
+}
+
+type cDocOutput struct{}
+
+func (c cDoc) Index(ctx context.Context, in cDocInput) (out *cDocOutput, err error) {
+	docs := NewDocSetting(ctx, in)
+	mlog.Print("Directory where the document is downloaded:", docs.TempDir)
+	if in.Clean {
+		mlog.Print("Cleaning document directory")
+		err = docs.Clean()
+		if err != nil {
+			mlog.Print("Failed to clean document directory:", err)
+			return
+		}
+		return
+	}
+	if in.Update {
+		mlog.Print("Cleaning old document directory")
+		err = docs.Clean()
+		if err != nil {
+			mlog.Print("Failed to clean old document directory:", err)
+			return
+		}
+	}
+	err = docs.DownloadDoc()
+	if err != nil {
+		mlog.Print("Failed to download document:", err)
+		return
+	}
+	s := g.Server()
+	s.SetServerRoot(docs.DocDir)
+	s.SetPort(in.Port)
+	s.SetDumpRouterMap(false)
+	mlog.Printf("Access address http://127.0.0.1:%d", in.Port)
+	s.Run()
+	return
+}
+
+// DocSetting doc setting
+type DocSetting struct {
+	TempDir    string
+	DocURL     string
+	DocDir     string
+	DocZipFile string
+}
+
+// NewDocSetting new DocSetting
+func NewDocSetting(ctx context.Context, in cDocInput) *DocSetting {
+	fileName := "gf-doc-md.zip"
+	tempDir := in.Path
+	if tempDir == "" {
+		tempDir = gfile.Temp("goframe/docs")
+	} else {
+		tempDir = gfile.Abs(path.Join(tempDir, "docs"))
+	}
+
+	return &DocSetting{
+		TempDir:    filepath.FromSlash(tempDir),
+		DocDir:     filepath.FromSlash(path.Join(tempDir, "gf-gh-pages")),
+		DocURL:     in.Proxy + DocURL,
+		DocZipFile: filepath.FromSlash(path.Join(tempDir, fileName)),
+	}
+
+}
+
+// Clean clean the temporary directory
+func (d *DocSetting) Clean() error {
+	if _, err := os.Stat(d.TempDir); err == nil {
+		err = gfile.Remove(d.TempDir)
+		if err != nil {
+			mlog.Print("Failed to delete temporary directory:", err)
+			return err
+		}
+	}
+	return nil
+}
+
+// DownloadDoc download the document
+func (d *DocSetting) DownloadDoc() error {
+	if _, err := os.Stat(d.TempDir); err != nil {
+		err = gfile.Mkdir(d.TempDir)
+		if err != nil {
+			mlog.Print("Failed to create temporary directory:", err)
+			return nil
+		}
+	}
+	// Check if the file exists
+	if _, err := os.Stat(d.DocDir); err == nil {
+		mlog.Print("Document already exists, no need to download and unzip")
+		return nil
+	}
+
+	if _, err := os.Stat(d.DocZipFile); err == nil {
+		mlog.Print("File already exists, no need to download")
+	} else {
+		mlog.Printf("File does not exist, start downloading: %s", d.DocURL)
+		startTime := time.Now()
+		// Download the file
+		resp, err := http.Get(d.DocURL)
+		if err != nil {
+			mlog.Print("Failed to download file:", err)
+			return err
+		}
+		defer resp.Body.Close()
+
+		// Create the file
+		out, err := os.Create(d.DocZipFile)
+		if err != nil {
+			mlog.Print("Failed to create file:", err)
+			return err
+		}
+		defer out.Close()
+
+		// Write the response body to the file
+		_, err = io.Copy(out, resp.Body)
+		if err != nil {
+			mlog.Print("Failed to write file:", err)
+			return err
+		}
+		mlog.Printf("Download successful, time-consuming: %v", time.Since(startTime))
+	}
+
+	mlog.Print("Start unzipping the file...")
+	// Unzip the file
+	err := gcompress.UnZipFile(d.DocZipFile, d.TempDir)
+	if err != nil {
+		mlog.Print("Failed to unzip the file, please run again:", err)
+		gfile.Remove(d.DocZipFile)
+		return err
+	}
+
+	mlog.Print("Download and unzip successful")
+	return nil
+}