新增聊天功能

views/followUsers.go

@@ -0,0 +1,108 @@
+package views
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/dialog"
+	"fyne.io/fyne/v2/widget"
+	"slices"
+	"work_cation/cfg"
+	"work_cation/global"
+	"work_cation/models"
+	"work_cation/repo"
+	"work_cation/service"
+)
+
+func followUsers(w fyne.Window) fyne.CanvasObject {
+	gridWrap := container.NewGridWrap(fyne.NewSize(200, 190))
+
+	findService, err := service.Zeroconf.FindService()
+	if err != nil {
+		return widget.NewLabel(err.Error())
+	}
+	users, err := repo.UserFollow.All(global.DB)
+	if err != nil {
+		return widget.NewLabel(err.Error())
+	}
+	slices.SortFunc(users, func(a, b models.UserFollows) int {
+		return b.Sort - a.Sort
+	})
+	for _, user := range users {
+		index := slices.IndexFunc(findService, indexOnline2User(user.ID))
+		var onlineCopy *models.Online
+		if index != -1 {
+			onlineCopy = &findService[index]
+		}
+		var baseCardV fyne.CanvasObject
+		del := func() { gridWrap.Remove(baseCardV) }
+		var userCopy = user
+		baseCardV, err = itemFollowUserView(w, onlineCopy, &userCopy, del)
+		if err != nil {
+			continue
+		}
+		gridWrap.Add(baseCardV)
+	}
+
+	scroll := container.NewScroll(gridWrap)
+	return container.NewBorder(nil, nil, nil, nil, scroll)
+}
+
+func indexOnline2User(id string) func(models.Online) bool {
+	return func(item models.Online) bool {
+		return item.ID == id
+	}
+}
+
+func itemFollowUserView(w fyne.Window, data *models.Online, user *models.UserFollows, del func()) (fyne.CanvasObject, error) {
+
+	onlineShow := widget.NewLabel("离线")
+
+	go func() {
+		defer func() { _ = recover() }()
+		if data == nil {
+			data = &models.Online{ID: user.ID, Ip: user.Ip, Port: cfg.T.ServerAddr}
+		}
+		newUser, err := service.Client.GetUser(data)
+		if err != nil {
+			data = nil
+			return
+		}
+		if err == nil {
+			onlineShow.SetText("在线")
+		}
+		if err == nil && newUser.Name != user.Name {
+			// 更新用户信息
+			repo.UserFollow.UnFollow(global.DB, user)
+			repo.UserFollow.Follow(global.DB, &models.UserFollows{Users: *newUser})
+		}
+	}()
+
+	followButton := widget.NewButton("取消关注", func() {
+		err := repo.UserFollow.UnFollow(global.DB, user)
+		if err != nil {
+			dialog.ShowInformation("取消失败", err.Error(), w)
+			return
+		}
+		dialog.ShowInformation("", "取消成功", w)
+		del()
+	})
+	showErrButton := widget.NewButton("查看主页", func() {
+		if data == nil {
+			dialog.ShowInformation("查看失败", "用户未在线", w)
+			return
+		}
+		otherUserIndexWin(&user.Users, data)
+	})
+	maishuiButton := widget.NewButton("聊天", func() {
+		//if data == nil {
+		//	dialog.ShowInformation("查看失败", "用户未在线", w)
+		//	return
+		//}
+		OpenChat(user.Users)
+	})
+
+	card := widget.NewCard(user.Name, user.Ip, container.NewVBox(onlineShow,
+		container.NewHBox(showErrButton, followButton),
+		maishuiButton))
+	return card, nil
+}