start to clone warehouse

Menu/GameShell/21_Warehouse/load_house_page.go

@@ -0,0 +1,194 @@
+package Warehouse
+
+import (
+	"fmt"
+	"os"
+	gotime "time"
+	"encoding/json"
+	
+	"github.com/veandco/go-sdl2/ttf"
+	
+	"github.com/cuu/gogame/image"
+	"github.com/cuu/gogame/draw"
+	"github.com/cuu/gogame/color"
+	"github.com/clockworkpi/LauncherGoDev/sysgo/UI"
+	"github.com/cuu/grab"
+)
+
+type LoadHousePage struct {
+	UI.Page
+	ListFontObj *ttf.Font
+	URLColor  *color.Color
+	TextColor *color.Color
+
+	Downloader *grab.Client
+	resp       *grab.Response
+	req        *grab.Request
+	
+	URL  string
+	Downloading chan bool
+	LoadingLabel *UI.LabelInterface
+
+	Parent *WareHouse
+}
+
+func NewLoadHousePage() *LoadHousePage {
+	p := &LoadHousePage{}
+
+	p.ListFontObj = UI.MyLangManager.TrFont("varela18")
+	p.URLColor = UI.MySkinManager.GiveColor("URL")
+	p.TextColor = UI.MySkinManager.GiveColor("Text")
+	p.FootMsg = [5]string{"Nav.","","","Back","Cancel"}
+
+	return p
+}
+
+func (self *LoadHousePage) Init() {
+	
+	self.PosX = self.Index * self.Screen.Width
+	self.Width = self.Screen.Width
+	self.Height = self.Screen.Height
+
+	self.CanvasHWND = self.Screen.CanvasHWND
+	self.LoadingLabel = UI.NewLabel()
+	self.LoadingLabel.SetCanvasHWND(self.CanvasHWND)
+	self.LoadingLabel.Init("Loading",self.ListFontObj,nil)
+	self.LoadingLabel.SetColor(self.TextColor)
+
+	self.Downloader = grab.NewClient()
+	self.Downloading = make(chan bool)
+	
+}
+
+func (self *LoadHousePage) OnLoadCb() {
+	
+	if len(self.URL) < 10 {
+		return
+	}
+	self.ClearCanvas()
+	self.Screen.Draw()
+	self.Screen.SwapAndShow()
+
+	parts := strings.Split(self.URL,"/")
+	filename := strings.TrimSpace(parts[len(parts)-1])
+	local_dir := strings.Split(self.URL,"raw.githubusercontent.com")
+	home_path, _ := os.UserHomeDir()
+	
+	if len(local_dir) > 1 {
+		menu_file := local_dir[1]
+		local_menu_file := fmt.Sprintf("%s/aria2downloads%s",
+			home_path,menu_file)
+
+		if UI.FileExists(local_menu_file) {
+			var result WareHouseIndex
+			jsonFile, err := os.Open(local_menu_file)
+			if err != nil {
+        fmt.Println(err)
+				return
+			}
+			defer jsonFile.Close()
+			byteValue, _ := ioutil.ReadAll(jsonFile)
+			json.Unmarshal([]byte(JSON), &result)
+			
+			for _, repo := range result.List {
+				self.Parent.MyStack.Push(repo)
+			}
+			
+			self.Leave()
+		} else {
+			self.req,_ = grab.NewRequest("/tmp",self.URL)
+			self.resp = self.Downloader.Do(self.req)
+
+			for len(self.Downloading) > 0 {
+				<-self.Downloading
+			}
+			
+			self.Downloading <- true
+			go self.UpdateProcessInterval(400)
+		}
+		
+	}
+}
+
+func (self *LoadHousePage) UpdateProcessInterval(ms int) {
+	t := gotime.NewTicker(ms * time.Millisecond)
+	defer t.Stop()
+
+	for {
+		select {
+		case <-t.C:
+			fmt.Printf("  transferred %v / %v bytes (%.2f%%)\n",
+				self.resp.BytesComplete(),
+				self.resp.Size,
+				100*self.resp.Progress())
+
+		case <-self.resp.Done:
+			// download is complete
+			break
+		case v:= <-self.Downloading
+			if v == false {
+				t.Stop()
+				break
+			}
+		}		
+	}
+	
+	dst_filename := self.resp.Filename
+
+	if err := self.resp.Err(); err == nil {//download successfully
+		home_path, _ := os.UserHomeDir()
+		parts := strings.Split(self.URL,"/")
+		filename := strings.TrimSpace(parts[len(parts)-1])
+		local_dir := strings.Split(self.URL,"raw.githubusercontent.com")
+
+		local_menu_file := ""
+		menu_file := ""
+		
+		if len(local_dir) > 1 {
+			menu_file = local_dir[1]
+			local_menu_file = fmt.Sprintf("%s/aria2downloads%s",
+				home_path,menu_file)
+		}
+		dl_file := path.Join("/tmp",filename)
+		if UI.IsDirectory( Path.Base(local_menu_file) ) == false {
+			merr := os.MkdirAll( Path.Base(local_menu_file), os.ModePerm)
+			if merr != nil {
+				panic(merr)
+			}
+		}
+
+		UI.CopyFile(dl_file,local_menu_file)
+		var result WareHouseIndex
+		jsonFile, err := os.Open(local_menu_file)
+		if err != nil {
+			fmt.Println(err)
+			return
+		}
+		defer jsonFile.Close()
+		byteValue, _ := ioutil.ReadAll(jsonFile)
+		json.Unmarshal([]byte(JSON), &result)
+		
+		for _, repo := range result.List {
+			self.Parent.MyStack.Push(repo)
+		}
+
+		self.Leave()
+		
+	} else {
+		self.Screen.MsgBox.SetText("Fetch house failed")
+		self.Screen.MsgBox.Draw()
+		self.Screen.SwapAndShow()
+	}
+	
+}
+
+func (self *LoadHousePage) Leave() {
+
+	self.Download <- false
+	
+	self.ReturnToUpLevelPage()
+	self.Screen.Draw()
+	self.Screen.SwapAndShow()
+	self.URL = ""
+	
+}