364 lines
12 KiB
Go
364 lines
12 KiB
Go
package handler
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import (
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"encoding/json"
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"fmt"
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"math"
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"net/http"
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"os"
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"time"
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"soul-api/internal/database"
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"soul-api/internal/model"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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)
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// computeAvailableWithdraw 与小程序 / referral 页可提现逻辑一致：可提现 = 累计佣金 - 已提现 - 待审核
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// 佣金按订单逐条 computeOrderCommission 求和（会员订单 20%/10%，内容订单 90%）
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func computeAvailableWithdraw(db *gorm.DB, userID string) (available, totalCommission, withdrawn, pending float64, minAmount float64) {
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minAmount = 10
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var cfg model.SystemConfig
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if err := db.Where("config_key = ?", "referral_config").First(&cfg).Error; err == nil {
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var config map[string]interface{}
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if _ = json.Unmarshal(cfg.ConfigValue, &config); config != nil {
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if m, ok := config["minWithdrawAmount"].(float64); ok {
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minAmount = m
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}
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}
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}
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var orders []model.Order
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db.Where("referrer_id = ? AND status = ?", userID, "paid").Find(&orders)
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for i := range orders {
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totalCommission += computeOrderCommission(db, &orders[i], nil)
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}
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var w struct{ Total float64 }
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db.Model(&model.Withdrawal{}).Where("user_id = ? AND status = ?", userID, "success").
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Select("COALESCE(SUM(amount), 0)").Scan(&w)
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withdrawn = w.Total
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db.Model(&model.Withdrawal{}).Where("user_id = ? AND status IN ?", userID, []string{"pending", "processing", "pending_confirm"}).
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Select("COALESCE(SUM(amount), 0)").Scan(&w)
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pending = w.Total
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available = math.Max(0, totalCommission-withdrawn-pending)
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return available, totalCommission, withdrawn, pending, minAmount
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}
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// generateWithdrawID 生成提现单号（不依赖 wechat 包）
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func generateWithdrawID() string {
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return fmt.Sprintf("WD%d%06d", time.Now().Unix(), time.Now().UnixNano()%1000000)
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}
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// WithdrawPost POST /api/withdraw 创建提现申请（仅落库待审核，不调用微信打款接口）
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// 可提现逻辑与小程序 referral 页一致；二次查库校验防止超额。打款由管理端审核后手动/后续接入官方接口再处理。
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func WithdrawPost(c *gin.Context) {
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var req struct {
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UserID string `json:"userId" binding:"required"`
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Amount float64 `json:"amount" binding:"required"`
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UserName string `json:"userName"`
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Remark string `json:"remark"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "参数错误"})
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return
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}
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if req.Amount <= 0 {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "提现金额必须大于0"})
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return
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}
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db := database.DB()
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available, _, _, _, minWithdrawAmount := computeAvailableWithdraw(db, req.UserID)
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if req.Amount > available {
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c.JSON(http.StatusBadRequest, gin.H{
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"success": false,
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"message": fmt.Sprintf("可提现金额不足（当前可提现：%.2f元）", available),
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})
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return
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}
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if req.Amount < minWithdrawAmount {
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c.JSON(http.StatusBadRequest, gin.H{
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"success": false,
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"message": fmt.Sprintf("最低提现金额为%.0f元", minWithdrawAmount),
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})
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return
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}
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var user model.User
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if err := db.Where("id = ?", req.UserID).First(&user).Error; err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "用户不存在"})
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return
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}
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if user.OpenID == nil || *user.OpenID == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "用户未绑定微信"})
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return
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}
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withdrawID := generateWithdrawID()
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status := "pending"
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// 根据 user_id 已查到的用户信息，填充提现表所需字段；仅写入表中存在的列，避免 remark 等列不存在报错
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wechatID := user.WechatID
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if (wechatID == nil || *wechatID == "") && user.OpenID != nil && *user.OpenID != "" {
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wechatID = user.OpenID
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}
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withdrawal := model.Withdrawal{
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ID: withdrawID,
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UserID: req.UserID,
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Amount: req.Amount,
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Status: &status,
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WechatOpenid: user.OpenID,
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WechatID: wechatID,
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}
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if err := db.Select("ID", "UserID", "Amount", "Status", "WechatOpenid", "WechatID").Create(&withdrawal).Error; err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"success": false,
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"message": "创建提现记录失败",
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"error": err.Error(),
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})
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"success": true,
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"message": "提现申请已提交，审核通过后将打款至您的微信零钱",
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"data": map[string]interface{}{
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"id": withdrawal.ID,
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"amount": req.Amount,
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"status": "pending",
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"created_at": withdrawal.CreatedAt,
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},
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})
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}
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// AdminWithdrawTest GET/POST /api/admin/withdraw-test 提现测试接口，供 curl 等调试用
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// 参数：userId（默认 ogpTW5fmXRGNpoUbXB3UEqnVe5Tg）、amount（默认 1）
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// 测试时忽略最低提现额限制，仅校验可提现余额与用户存在
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func AdminWithdrawTest(c *gin.Context) {
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userID := c.DefaultQuery("userId", "ogpTW5fmXRGNpoUbXB3UEqnVe5Tg")
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amountStr := c.DefaultQuery("amount", "1")
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var amount float64
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if _, err := fmt.Sscanf(amountStr, "%f", &amount); err != nil || amount <= 0 {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "amount 须为正数"})
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return
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}
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db := database.DB()
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available, _, _, _, _ := computeAvailableWithdraw(db, userID)
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if amount > available {
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c.JSON(http.StatusBadRequest, gin.H{
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"success": false,
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"message": fmt.Sprintf("可提现金额不足（当前可提现：%.2f元）", available),
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})
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return
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}
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var user model.User
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if err := db.Where("id = ?", userID).First(&user).Error; err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "用户不存在"})
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return
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}
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if user.OpenID == nil || *user.OpenID == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "用户未绑定微信"})
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return
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}
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withdrawID := generateWithdrawID()
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status := "pending"
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wechatID := user.WechatID
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if (wechatID == nil || *wechatID == "") && user.OpenID != nil && *user.OpenID != "" {
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wechatID = user.OpenID
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}
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withdrawal := model.Withdrawal{
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ID: withdrawID,
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UserID: userID,
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Amount: amount,
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Status: &status,
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WechatOpenid: user.OpenID,
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WechatID: wechatID,
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}
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if err := db.Select("ID", "UserID", "Amount", "Status", "WechatOpenid", "WechatID").Create(&withdrawal).Error; err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"success": false,
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"message": "创建提现记录失败",
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"error": err.Error(),
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})
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"success": true,
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"message": "提现测试已提交",
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"data": map[string]interface{}{
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"id": withdrawal.ID,
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"userId": userID,
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"amount": amount,
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"status": "pending",
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"created_at": withdrawal.CreatedAt,
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},
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})
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}
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// WithdrawRecords GET /api/withdraw/records?userId= 当前用户提现记录（GORM）
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func WithdrawRecords(c *gin.Context) {
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userId := c.Query("userId")
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if userId == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "缺少 userId"})
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return
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}
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var list []model.Withdrawal
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if err := database.DB().Where("user_id = ?", userId).Order("created_at DESC").Limit(100).Find(&list).Error; err != nil {
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c.JSON(http.StatusOK, gin.H{"success": true, "data": gin.H{"list": []interface{}{}}})
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return
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}
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out := make([]gin.H, 0, len(list))
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for _, w := range list {
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st := ""
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if w.Status != nil {
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st = *w.Status
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}
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canReceive := st == "processing" || st == "pending_confirm"
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out = append(out, gin.H{
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"id": w.ID, "amount": w.Amount, "status": st,
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"createdAt": w.CreatedAt, "processedAt": w.ProcessedAt,
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"canReceive": canReceive,
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})
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}
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c.JSON(http.StatusOK, gin.H{"success": true, "data": gin.H{"list": out}})
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}
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// WithdrawConfirmInfo GET /api/miniprogram/withdraw/confirm-info?id= 获取某条提现的领取零钱参数（mchId/appId/package），供 wx.requestMerchantTransfer 使用
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func WithdrawConfirmInfo(c *gin.Context) {
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id := c.Query("id")
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if id == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "缺少 id"})
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return
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}
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db := database.DB()
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var w model.Withdrawal
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if err := db.Where("id = ?", id).First(&w).Error; err != nil {
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c.JSON(http.StatusOK, gin.H{"success": false, "message": "提现记录不存在"})
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return
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}
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st := ""
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if w.Status != nil {
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st = *w.Status
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}
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if st != "processing" && st != "pending_confirm" {
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c.JSON(http.StatusOK, gin.H{"success": false, "message": "当前状态不可领取"})
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return
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}
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mchId := os.Getenv("WECHAT_MCH_ID")
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if mchId == "" {
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mchId = "1318592501"
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}
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appId := os.Getenv("WECHAT_APPID")
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if appId == "" {
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appId = "wxb8bbb2b10dec74aa"
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}
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packageInfo := ""
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if w.PackageInfo != nil && *w.PackageInfo != "" {
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packageInfo = *w.PackageInfo
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}
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c.JSON(http.StatusOK, gin.H{
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"success": true,
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"data": gin.H{
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"mchId": mchId,
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"appId": appId,
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"package": packageInfo,
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},
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})
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}
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// WithdrawPendingConfirm GET /api/withdraw/pending-confirm?userId= 待确认收款列表（仅审核通过后）
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// 只返回 processing、pending_confirm，供「我的」页「待确认收款」展示；pending 为待审核，不在此列表
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func WithdrawPendingConfirm(c *gin.Context) {
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userId := c.Query("userId")
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if userId == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "缺少 userId"})
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return
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}
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db := database.DB()
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var list []model.Withdrawal
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// 仅审核已通过、等待用户确认收款的：processing（微信处理中）、pending_confirm（待用户点确认收款）
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if err := db.Where("user_id = ? AND status IN ?", userId, []string{"processing", "pending_confirm"}).
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Order("created_at DESC").
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Find(&list).Error; err != nil {
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list = nil
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}
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out := make([]gin.H, 0, len(list))
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for _, w := range list {
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item := gin.H{
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"id": w.ID,
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"amount": w.Amount,
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"createdAt": w.CreatedAt,
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}
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if w.PackageInfo != nil && *w.PackageInfo != "" {
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item["package"] = *w.PackageInfo
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} else {
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item["package"] = ""
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}
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if w.UserConfirmedAt != nil && !w.UserConfirmedAt.IsZero() {
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item["userConfirmedAt"] = w.UserConfirmedAt.Format("2006-01-02 15:04:05")
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} else {
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item["userConfirmedAt"] = nil
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}
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out = append(out, item)
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}
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mchId := os.Getenv("WECHAT_MCH_ID")
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if mchId == "" {
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mchId = "1318592501"
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}
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appId := os.Getenv("WECHAT_APPID")
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if appId == "" {
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appId = "wxb8bbb2b10dec74aa"
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}
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c.JSON(http.StatusOK, gin.H{
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"success": true,
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"data": gin.H{
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"list": out,
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"mchId": mchId,
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"appId": appId,
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},
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})
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}
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// WithdrawConfirmReceived POST /api/miniprogram/withdraw/confirm-received 用户确认收款（记录已点击确认）
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// body: { "withdrawalId": "xxx", "userId": "xxx" }，仅本人可操作；更新 user_confirmed_at 并将状态置为 success，该条不再出现在待确认收款列表
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func WithdrawConfirmReceived(c *gin.Context) {
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var req struct {
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WithdrawalID string `json:"withdrawalId" binding:"required"`
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UserID string `json:"userId" binding:"required"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "缺少 withdrawalId 或 userId"})
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return
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}
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db := database.DB()
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var w model.Withdrawal
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if err := db.Where("id = ? AND user_id = ?", req.WithdrawalID, req.UserID).First(&w).Error; err != nil {
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c.JSON(http.StatusOK, gin.H{"success": false, "message": "提现记录不存在或无权操作"})
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return
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}
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st := ""
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if w.Status != nil {
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st = *w.Status
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}
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// 仅处理中或待确认的可标记「用户已确认收款」
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if st != "processing" && st != "pending_confirm" && st != "success" {
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c.JSON(http.StatusOK, gin.H{"success": false, "message": "当前状态不可确认收款"})
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return
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}
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if w.UserConfirmedAt != nil && !w.UserConfirmedAt.IsZero() {
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c.JSON(http.StatusOK, gin.H{"success": true, "message": "已确认过"})
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return
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}
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now := time.Now()
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// 更新为已确认收款，并将状态置为 success，待确认列表只含 processing/pending_confirm，故该条会从列表中移除
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up := map[string]interface{}{"user_confirmed_at": now, "status": "success"}
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if err := db.Model(&w).Updates(up).Error; err != nil {
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c.JSON(http.StatusOK, gin.H{"success": false, "message": "更新失败"})
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return
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}
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c.JSON(http.StatusOK, gin.H{"success": true, "message": "已记录确认收款"})
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}
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