add redeem code function

api/handler/admin/redeem_handler.go

@@ -0,0 +1,164 @@
+package admin
+
+// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+// * Copyright 2023 The Geek-AI Authors. All rights reserved.
+// * Use of this source code is governed by a Apache-2.0 license
+// * that can be found in the LICENSE file.
+// * @Author yangjian102621@163.com
+// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+import (
+	"geekai/core"
+	"geekai/core/types"
+	"geekai/handler"
+	"geekai/store/model"
+	"geekai/store/vo"
+	"geekai/utils"
+	"geekai/utils/resp"
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+type RedeemHandler struct {
+	handler.BaseHandler
+}
+
+func NewRedeemHandler(app *core.AppServer, db *gorm.DB) *RedeemHandler {
+	return &RedeemHandler{BaseHandler: handler.BaseHandler{App: app, DB: db}}
+}
+
+func (h *RedeemHandler) List(c *gin.Context) {
+	page := h.GetInt(c, "page", 1)
+	pageSize := h.GetInt(c, "page_size", 20)
+	code := c.Query("code")
+	status := h.GetInt(c, "status", -1)
+
+	session := h.DB.Session(&gorm.Session{})
+	if code != "" {
+		session.Where("code LIKE ?", "%"+code+"%")
+	}
+	if status == 0 {
+		session.Where("redeem_at = ?", 0)
+	} else if status == 1 {
+		session.Where("redeem_at > ?", 0)
+	}
+
+	var total int64
+	session.Model(&model.Redeem{}).Count(&total)
+	var redeems []model.Redeem
+	offset := (page - 1) * pageSize
+	err := session.Order("id DESC").Offset(offset).Limit(pageSize).Find(&redeems).Error
+	if err != nil {
+		resp.ERROR(c, err.Error())
+		return
+	}
+	var items = make([]vo.Redeem, 0)
+	userIds := make([]uint, 0)
+	for _, v := range redeems {
+		userIds = append(userIds, v.UserId)
+	}
+	var users []model.User
+	h.DB.Where("id IN ?", userIds).Find(&users)
+	var userMap = make(map[uint]model.User)
+	for _, u := range users {
+		userMap[u.Id] = u
+	}
+
+	for _, v := range redeems {
+		var r vo.Redeem
+		err = utils.CopyObject(v, &r)
+		if err != nil {
+			continue
+		}
+
+		r.Id = v.Id
+		r.Username = userMap[v.UserId].Username
+		r.CreatedAt = v.CreatedAt.Unix()
+		items = append(items, r)
+	}
+
+	resp.SUCCESS(c, vo.NewPage(total, page, pageSize, items))
+}
+
+func (h *RedeemHandler) Create(c *gin.Context) {
+	var data struct {
+		Name  string `json:"name"`
+		Power int    `json:"power"`
+		Num   int    `json:"num"`
+	}
+	if err := c.ShouldBindJSON(&data); err != nil {
+		resp.ERROR(c, types.InvalidArgs)
+		return
+	}
+
+	counter := 0
+	codes := make([]string, 0)
+	var errMsg = ""
+	if data.Num > 0 {
+		for i := 0; i < data.Num; i++ {
+			code, err := utils.GenRedeemCode(32)
+			if err != nil {
+				errMsg = err.Error()
+				continue
+			}
+			err = h.DB.Create(&model.Redeem{
+				Code:    code,
+				Name:    data.Name,
+				Power:   data.Power,
+				Enabled: true,
+			}).Error
+			if err != nil {
+				errMsg = err.Error()
+				continue
+			}
+			codes = append(codes, code)
+			counter++
+		}
+	}
+	if counter == 0 {
+		resp.ERROR(c, errMsg)
+		return
+	}
+
+	resp.SUCCESS(c, gin.H{
+		"counter": counter,
+	})
+}
+
+func (h *RedeemHandler) Set(c *gin.Context) {
+	var data struct {
+		Id    uint        `json:"id"`
+		Filed string      `json:"filed"`
+		Value interface{} `json:"value"`
+	}
+
+	if err := c.ShouldBindJSON(&data); err != nil {
+		resp.ERROR(c, types.InvalidArgs)
+		return
+	}
+
+	err := h.DB.Model(&model.Redeem{}).Where("id = ?", data.Id).Update(data.Filed, data.Value).Error
+	if err != nil {
+		resp.ERROR(c, err.Error())
+		return
+	}
+	resp.SUCCESS(c)
+}
+
+func (h *RedeemHandler) Remove(c *gin.Context) {
+	var data struct {
+		Id uint
+	}
+	if err := c.ShouldBindJSON(&data); err != nil {
+		resp.ERROR(c, types.InvalidArgs)
+		return
+	}
+	if data.Id > 0 {
+		err := h.DB.Where("id", data.Id).Delete(&model.Redeem{}).Error
+		if err != nil {
+			resp.ERROR(c, err.Error())
+			return
+		}
+	}
+	resp.SUCCESS(c)
+}