服务发现基础逻辑

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
+}