feat: 新增admin用户与会员管理接口

internal/admin/handler/membership_handler.go

@@ -0,0 +1,120 @@
+package handler
+
+import (
+	"errors"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	adminservice "wx_service/internal/admin/service"
+	"wx_service/internal/model"
+)
+
+func (h *Handler) MembershipOverview(c *gin.Context) {
+	data, err := h.svc.MembershipOverview(c.Request.Context())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "load membership overview failed"))
+		return
+	}
+	c.JSON(http.StatusOK, model.Success(data))
+}
+
+func (h *Handler) ListMembershipRedeemCodes(c *gin.Context) {
+	page, _ := strconv.Atoi(strings.TrimSpace(c.DefaultQuery("page", "1")))
+	pageSize, _ := strconv.Atoi(strings.TrimSpace(c.DefaultQuery("page_size", "20")))
+
+	data, err := h.svc.ListMembershipRedeemCodes(c.Request.Context(), adminservice.ListMembershipRedeemCodesQuery{
+		Page:     page,
+		PageSize: pageSize,
+		Keyword:  c.Query("keyword"),
+		Status:   c.Query("status"),
+	})
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "load redeem codes failed"))
+		return
+	}
+	c.JSON(http.StatusOK, model.Success(data))
+}
+
+type createMembershipRedeemCodesRequest struct {
+	PackageType  string `json:"package_type"`
+	DurationDays int    `json:"duration_days"`
+	Quantity     int    `json:"quantity"`
+	MaxUses      int    `json:"max_uses"`
+	ExpiresAt    string `json:"expires_at"`
+}
+
+func (h *Handler) CreateMembershipRedeemCodes(c *gin.Context) {
+	var req createMembershipRedeemCodesRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, model.Error(http.StatusBadRequest, "invalid request payload"))
+		return
+	}
+
+	var expiresAt *time.Time
+	if strings.TrimSpace(req.ExpiresAt) != "" {
+		parsed, err := time.ParseInLocation("2006-01-02 15:04:05", req.ExpiresAt, time.Local)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, model.Error(http.StatusBadRequest, "expires_at format should be YYYY-MM-DD HH:mm:ss"))
+			return
+		}
+		expiresAt = &parsed
+	}
+
+	codes, err := h.svc.CreateMembershipRedeemCodes(c.Request.Context(), adminservice.CreateMembershipRedeemCodesInput{
+		PackageType:  req.PackageType,
+		DurationDays: req.DurationDays,
+		Quantity:     req.Quantity,
+		MaxUses:      req.MaxUses,
+		ExpiresAt:    expiresAt,
+	})
+	if err != nil {
+		if errors.Is(err, adminservice.ErrInvalidInput) {
+			c.JSON(http.StatusBadRequest, model.Error(http.StatusBadRequest, "invalid input"))
+			return
+		}
+		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "create redeem codes failed"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.Success(gin.H{
+		"count": len(codes),
+		"codes": codes,
+	}))
+}
+
+type updateMembershipRedeemCodeStatusRequest struct {
+	Status string `json:"status"`
+}
+
+func (h *Handler) UpdateMembershipRedeemCodeStatus(c *gin.Context) {
+	id, err := parseUintID(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, model.Error(http.StatusBadRequest, "invalid redeem code id"))
+		return
+	}
+
+	var req updateMembershipRedeemCodeStatusRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, model.Error(http.StatusBadRequest, "invalid request payload"))
+		return
+	}
+
+	err = h.svc.UpdateMembershipRedeemCodeStatus(c.Request.Context(), id, req.Status)
+	if err != nil {
+		switch {
+		case errors.Is(err, adminservice.ErrMembershipRedeemCodeNotFound):
+			c.JSON(http.StatusNotFound, model.Error(http.StatusNotFound, "redeem code not found"))
+		case errors.Is(err, adminservice.ErrInvalidInput):
+			c.JSON(http.StatusBadRequest, model.Error(http.StatusBadRequest, "status must be active/disabled"))
+		default:
+			c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "update redeem code status failed"))
+		}
+		return
+	}
+
+	c.JSON(http.StatusOK, model.Success(gin.H{"message": "更新成功"}))
+}