完善配送端账户头像管理

backend/api/internal/logic/delivery/user.go

@@ -6,6 +6,7 @@ import (
 	"git.apinb.com/bsm-sdk/core/errcode"
 	"git.apinb.com/bsm-sdk/core/infra"
 	"git.apinb.com/heqiapp/platforms/backend/api/internal/logic/common"
+	"git.apinb.com/heqiapp/platforms/backend/api/internal/logic/upload"
 	"git.apinb.com/heqiapp/platforms/backend/api/internal/models"
 	"github.com/gin-gonic/gin"
 	"gorm.io/gorm"
@@ -57,13 +58,26 @@ func GetUser(ctx *gin.Context) {
 	infra.Response.Success(ctx, response)
 }
 
+// GetUserAvatar 返回当前配送点存在有效服务关系的用户受保护头像。
+func GetUserAvatar(ctx *gin.Context) {
+	point, _, ok := currentScope(ctx)
+	if !ok {
+		return
+	}
+	user, _, ok := scopedUser(ctx, ctx.Param("identity"), point.ID)
+	if !ok {
+		return
+	}
+	upload.ServeAvatar(ctx, user.Avatar)
+}
+
 type userRequest struct {
-	Username string `json:"username"`
-	Password string `json:"password"`
-	Name     string `json:"name" binding:"required,max=64"`
-	Phone    string `json:"phone" binding:"max=32"`
-	Avatar   string `json:"avatar" binding:"max=512"`
-	RealName string `json:"real_name" binding:"max=64"`
+	Username string  `json:"username"`
+	Password string  `json:"password"`
+	Name     string  `json:"name" binding:"required,max=64"`
+	Phone    string  `json:"phone" binding:"max=32"`
+	Avatar   *string `json:"avatar" binding:"omitempty,max=512"`
+	RealName string  `json:"real_name" binding:"max=64"`
 }
 
 func CreateUser(ctx *gin.Context) {
@@ -81,9 +95,13 @@ func CreateUser(ctx *gin.Context) {
 		infra.Response.Error(ctx, err)
 		return
 	}
+	avatar := ""
+	if request.Avatar != nil {
+		avatar = *request.Avatar
+	}
 	user := models.UserAccount{
 		Entity: common.NewEntity(common.StatusEnable), Username: request.Username, PasswordHash: hash,
-		Name: request.Name, Phone: request.Phone, Avatar: request.Avatar, RealName: request.RealName,
+		Name: request.Name, Phone: request.Phone, Avatar: avatar, RealName: request.RealName,
 	}
 	relation := models.UserServiceRelation{
 		Entity: common.NewEntity(common.StatusEnable), GasBasicID: point.GasBasicID, DeliveryBasicID: point.ID,
@@ -115,9 +133,12 @@ func UpdateUser(ctx *gin.Context) {
 		infra.Response.Error(ctx, errcode.ErrInvalidArgument)
 		return
 	}
-	if err := db().Model(&user).Updates(map[string]any{
-		"name": request.Name, "phone": request.Phone, "avatar": request.Avatar, "real_name": request.RealName,
-	}).Error; err != nil {
+	values := map[string]any{"name": request.Name, "phone": request.Phone, "real_name": request.RealName}
+	// 未选择新头像时不提交 avatar，避免编辑基础资料误清空现有头像。
+	if request.Avatar != nil {
+		values["avatar"] = *request.Avatar
+	}
+	if err := db().Model(&user).Updates(values).Error; err != nil {
 		infra.Response.Error(ctx, err)
 		return
 	}