初始

internal/app/system/model/notifications_func.go

@@ -0,0 +1,57 @@
+package model
+
+import (
+	"context"
+
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/samber/lo"
+	"github.com/tiger1103/gfast/v3/internal/app/system/dao"
+)
+
+func (n *Notifications) ReadNum() int {
+	// 从 redis 中获取已读人数
+	count, err := g.Redis().Get(context.Background(), "notification:"+n.Id)
+	if err != nil {
+		return 0
+	}
+	return count.Int()
+}
+
+// 已读人数
+func (n *Notifications) ReadPeople() int {
+	// 如果 n.users 为空则从数据库中查询
+	if len(n.Users) == 0 {
+		list := []NotificationsGetRes{}
+		if err := dao.NotificationRecipients.Ctx(context.Background()).As("nr").
+			LeftJoin("sys_user as su", "nr.recipient_id = su.id").
+			Fields("nr.*,su.user_nickname").
+			Where("nr.notification_id", n.Id).Scan(&list); err != nil {
+			return 0
+		}
+
+		n.Users = list
+	}
+
+	return lo.CountBy(n.Users, func(item NotificationsGetRes) bool {
+		return item.NotificationStatus == 1
+	})
+}
+
+// 未读人数
+func (n *Notifications) UnreadPeople() int {
+	// 如果 n.users 为空则从数据库中查询
+	if len(n.Users) == 0 {
+		list := []NotificationsGetRes{}
+		if err := dao.NotificationRecipients.Ctx(context.Background()).As("nr").
+			LeftJoin("sys_user as su", "nr.recipient_id = su.id").
+			Fields("nr.*,su.user_nickname").
+			Where("nr.notification_id", n.Id).Scan(&list); err != nil {
+			return 0
+		}
+
+		n.Users = list
+	}
+	return lo.CountBy(n.Users, func(item NotificationsGetRes) bool {
+		return item.NotificationStatus == 0
+	})
+}