服务发现基础逻辑

views/data.go

@@ -17,14 +17,15 @@ type Tutorial struct {
 var (
 	// Tutorials 定义每个教程的元数据
 	Tutorials = map[string]Tutorial{
-		"welcome": {"主页", "", mainUserViews, true},
-		"canvas":  {"我的", "", allCardsViews, true},
-		"create":  {"新建", "", allCreateCards, true},
+		"welcome":    {"主页", "", mainUserViews, true},
+		"canvas":     {"我的", "", allCardsViews, true},
+		"create":     {"新建", "", allCreateCards, true},
+		"otherUsers": {"同事", "", otherUser, true},
 	}
 
 	// TutorialIndex  定义我们的教程应该如何在索引树中布局
 	TutorialIndex = map[string][]string{
-		"": {"welcome", "canvas", "create"},
+		"": {"welcome", "canvas", "otherUsers", "create"},
 		//"collections": {"list", "table", "tree"},
 		//"containers":  {"apptabs", "border", "box", "center", "doctabs", "grid", "scroll", "split"},
 		//"widgets":     {"accordion", "button", "card", "entry", "form", "input", "progress", "text", "toolbar"}, 58 * 3 + 106  = 280

views/otherUsers.go

@@ -0,0 +1,77 @@
+package views
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/dialog"
+	"fyne.io/fyne/v2/widget"
+	"work_cation/global"
+	"work_cation/models"
+	"work_cation/repo"
+	"work_cation/service"
+)
+
+func otherUser(w fyne.Window) fyne.CanvasObject {
+	gridWrap := container.NewGridWrap(fyne.NewSize(200, 190))
+	findService, err := service.Zeroconf.FindService()
+	if err != nil {
+		return widget.NewLabel("网络异常请稍后尝试")
+	}
+	go func() {
+		for online := range findService {
+			var (
+				onlineCopy = online
+			)
+			baseCardV, err := itemOnlineUserView(w, onlineCopy)
+			if err != nil {
+				continue
+			}
+			gridWrap.Add(baseCardV)
+		}
+	}()
+	scroll := container.NewScroll(gridWrap)
+	return container.NewBorder(nil, nil, nil, nil, scroll)
+}
+
+func itemOnlineUserView(w fyne.Window, data *models.Online) (fyne.CanvasObject, error) {
+
+	u := repo.UserFollow.GetUser(global.DB, data.ID)
+
+	var followLabel *widget.Label
+	const (
+		noFollow = "未关注"
+		isFollow = "已关注"
+	)
+
+	if u == nil {
+		followLabel = widget.NewLabel(noFollow)
+	} else {
+		followLabel = widget.NewLabel(isFollow)
+	}
+
+	user, err := service.Client.GetUser(data)
+	if err != nil {
+		return nil, err
+	}
+
+	followButton := widget.NewButton("关注", func() {
+		if followLabel.Text == isFollow {
+			dialog.ShowInformation("结果", "已关注成功", w)
+			return
+		}
+		err = repo.UserFollow.Follow(global.DB, &models.UserFollows{Users: *user})
+		if err != nil {
+			dialog.ShowInformation("关注失败", err.Error(), w)
+			return
+		}
+		dialog.ShowInformation("结果", "关注成功", w)
+		followLabel.SetText(isFollow)
+	})
+
+	showErrButton := widget.NewButton("查看主页", func() {
+		dialog.ShowInformation("错误", "", w)
+	})
+
+	card := widget.NewCard(user.Name, user.Ip, container.NewVBox(followLabel, showErrButton, followButton))
+	return card, nil
+}

views/userView.go

@@ -18,9 +18,10 @@ import (
 	"work_cation/models"
 	"work_cation/pkg/utils"
 	"work_cation/repo"
+	"work_cation/service"
 )
 
-func mainUserViews(_ fyne.Window) fyne.CanvasObject {
+func mainUserViews(w fyne.Window) fyne.CanvasObject {
 	var userCard = widget.NewCard("", "", nil)
 	user1 := repo.User.GetUserInfo(global.DB)
 	refresh := func(user *models.Users) {
@@ -35,11 +36,34 @@ func mainUserViews(_ fyne.Window) fyne.CanvasObject {
 		}
 		image.FillMode = canvas.ImageFillContain
 		userCard.SetImage(image)
+		var status = ""
+		if service.Server.Status == service.StatusOnline {
+			status = "在线"
+		} else {
+			status = "离线"
+		}
+		userCard.SetContent(widget.NewLabel(fmt.Sprintf("状态：%s", status)))
 	}
 	refresh(user1)
-	return container.NewBorder(widget.NewToolbar(widget.NewToolbarAction(theme.SettingsIcon(), func() {
-		mainUserSetWin(refresh)
-	})),
+	return container.NewBorder(widget.NewToolbar(
+		widget.NewToolbarAction(theme.SettingsIcon(), func() { mainUserSetWin(refresh) }),
+		widget.NewToolbarAction(theme.LoginIcon(), func() {
+			err := service.Server.Online()
+			if err != nil {
+				dialog.ShowInformation("登录失败", err.Error(), w)
+				return
+			}
+			refresh(user1)
+		}),
+		widget.NewToolbarAction(theme.LogoutIcon(), func() {
+			err := service.Server.StatusOffline()
+			if err != nil {
+				dialog.ShowInformation("离线失败", err.Error(), w)
+				return
+			}
+			refresh(user1)
+		}),
+	),
 		nil,
 		nil,
 		nil,