🎨 新增讲师包月功能，优化支付回调

service/app/teacher_vip.go

@@ -0,0 +1,86 @@
+package app
+
+import (
+	"errors"
+	"git.echol.cn/loser/lckt/global"
+	"git.echol.cn/loser/lckt/model/app"
+	"git.echol.cn/loser/lckt/model/app/request"
+	user2 "git.echol.cn/loser/lckt/model/user"
+	"go.uber.org/zap"
+)
+
+type TeacherVipService struct{}
+
+// GetTeacherVipList 获取讲师包月列表
+func (u *TeacherVipService) GetTeacherVipList(p request.GetTeacherVipList) (list []app.TeacherVip, total int64, err error) {
+	limit := p.PageSize
+	offset := (p.Page - 1) * p.PageSize
+
+	db := global.GVA_DB.Model(&app.TeacherVip{}).Where("teacher_id = ?", p.TeacherId)
+
+	if p.Keyword != "" {
+		db = db.Where("title LIKE ?", "%"+p.Keyword+"%")
+	}
+
+	err = db.Count(&total).Error
+	if err != nil {
+		global.GVA_LOG.Error("查询讲师包月总数失败", zap.Error(err))
+		return nil, 0, err
+	}
+	err = db.Limit(limit).Offset(offset).Find(&list).Error
+	if err != nil {
+		global.GVA_LOG.Error("查询讲师包月列表失败", zap.Error(err))
+		return nil, 0, err
+	}
+	return
+}
+
+func (u *TeacherVipService) CreateTeacherVip(p app.TeacherVip, userId uint) (err error) {
+	// 判断是否是讲师
+	var user user2.User
+	err = global.GVA_DB.Where("id = ?", userId).First(&user).Error
+	if err != nil {
+		global.GVA_LOG.Error("查询用户信息失败：", zap.Error(err))
+		return err
+	}
+
+	if user.UserType != 2 {
+		// 不是讲师
+		global.GVA_LOG.Error("当前用户不是讲师，无法创建讲师VIP")
+		return errors.New("当前用户不是讲师，无法创建讲师VIP")
+	}
+
+	err = global.GVA_DB.Create(&p).Error
+	if err != nil {
+		global.GVA_LOG.Error("创建讲师VIP失败", zap.Error(err))
+		return err
+	}
+	return nil
+}
+
+func (u *TeacherVipService) DeleteTeacherVip(p app.TeacherVip) (err error) {
+	err = global.GVA_DB.Delete(&p).Error
+	if err != nil {
+		global.GVA_LOG.Error("删除讲师VIP失败", zap.Error(err))
+		return err
+	}
+	return nil
+}
+
+func (u *TeacherVipService) Update(p app.TeacherVip) (err error) {
+	err = global.GVA_DB.Save(&p).Error
+	if err != nil {
+		global.GVA_LOG.Error("更新讲师VIP失败", zap.Error(err))
+		return err
+	}
+	return nil
+}
+
+func (u *TeacherVipService) GetTeacherVip(id int) (vip app.TeacherVip, err error) {
+	err = global.GVA_DB.Where("id = ?", id).First(&vip).Error
+	if err != nil {
+		global.GVA_LOG.Error("获取讲师VIP失败", zap.Error(err))
+		return vip, err
+	}
+	return vip, nil
+}