fix: align backend APIs and upload flow

GroupService.WebApi/Application/EventHandler/GroupMemberLeftHandler.cs

@@ -0,0 +1,18 @@
+using GroupService.Domain.Events;
+using IM.Commons.IntegrationEvents;
+using MassTransit;
+using MediatR;
+
+namespace GroupService.WebApi.Application.EventHandler
+{
+    public class GroupMemberLeftHandler(IPublishEndpoint endpoint)
+        : INotificationHandler<GroupMemberLeftDomainEvent>
+    {
+        public Task Handle(GroupMemberLeftDomainEvent notification, CancellationToken cancellationToken)
+        {
+            return endpoint.Publish(
+                new GroupMemberLeftEvent(notification.Member.UserId, notification.Member.GroupId),
+                cancellationToken);
+        }
+    }
+}

GroupService.WebApi/Application/Group/GroupService.cs

@@ -27,11 +27,11 @@ namespace GroupService.WebApi.Application.Group
 
         public async Task<Result<List<GroupResponse>>> GetAllAsync(Guid userId)
         {
-            var groups = await reposity.FindByMasterIdAsync(userId);
+            var groups = await reposity.FindByMemberIdAsync(userId);
             return Result<List<GroupResponse>>.Success(mapper.Map<List<GroupResponse>>(groups));
         }
 
-        public async Task<Result<GroupResponse>> GetByIdAsync(Guid groupId)
+        public async Task<Result<GroupResponse>> GetByIdAsync(Guid groupId, Guid userId)
         {
             var group = await reposity.FindByIdAsync(groupId);
             if (group is null)
@@ -39,9 +39,36 @@ namespace GroupService.WebApi.Application.Group
                 return Result<GroupResponse>.Fail(ResultCode.GROUP_NOT_FOUND);
             }
 
+            if (!await memberReposity.CheckMemberExistAsync(groupId, userId))
+            {
+                return Result<GroupResponse>.Fail(ResultCode.PERMISSION_DENIED);
+            }
+
             return Result<GroupResponse>.Success(mapper.Map<GroupResponse>(group));
         }
 
+        public async Task<Result<object>> DissolveAsync(Guid groupId, Guid userId)
+        {
+            var group = await reposity.FindByIdAsync(groupId);
+            if (group is null)
+            {
+                return Result.Fail(ResultCode.GROUP_NOT_FOUND);
+            }
+
+            if (group.GroupMaster != userId)
+            {
+                return Result.Fail(ResultCode.PERMISSION_DENIED);
+            }
+
+            var members = await memberReposity.FindByGroupIdAsync(groupId);
+            foreach (var member in members)
+            {
+                member.Leave();
+            }
+            group.SoftDelete();
+            return Result.Success();
+        }
+
         public async Task<Result<GroupResponse>> UpdateAsync(GroupUpdateCommand command)
         {
             var group = await reposity.FindByIdAsync(command.GroupId);

GroupService.WebApi/Application/GroupMember/GroupMemberService.cs

@@ -24,13 +24,17 @@ namespace GroupService.WebApi.Application.GroupMember
             this.mapper = mapper;
         }
 
-        public async Task<Result<List<GroupMemberResponse>>> GetByGroupIdAsync(Guid groupId)
+        public async Task<Result<List<GroupMemberResponse>>> GetByGroupIdAsync(Guid groupId, Guid userId)
         {
             var group = await groupReposity.FindByIdAsync(groupId);
             if (group is null)
             {
                 return Result<List<GroupMemberResponse>>.Fail(ResultCode.GROUP_NOT_FOUND);
             }
+            if (!await reposity.CheckMemberExistAsync(groupId, userId))
+            {
+                return Result<List<GroupMemberResponse>>.Fail(ResultCode.PERMISSION_DENIED);
+            }
             var members = await reposity.FindByGroupIdAsync(groupId);
 
             return Result<List<GroupMemberResponse>>.Success(mapper.Map<List<GroupMemberResponse>>(members.ToList()));
@@ -78,14 +82,32 @@ namespace GroupService.WebApi.Application.GroupMember
             }
 
             var operatorMember = await reposity.FindOneByGroupIdAndUserIdAsync(member.GroupId, operatorId);
-            if (operatorMember is null || operatorMember.Role == Domain.Enums.GroupMemberRole.Normal)
+            if (operatorMember is null || operatorMember.Id == member.Id ||
+                member.Role == Domain.Enums.GroupMemberRole.Master ||
+                operatorMember.Role <= member.Role)
             {
                 return Result.Fail(ResultCode.PERMISSION_DENIED);
             }
 
-            member.SoftDelete();
+            member.Leave();
 
             return Result.Success();
         }
+
+        public async Task<Result<object>> LeaveAsync(Guid groupId, Guid userId)
+        {
+            var member = await reposity.FindOneByGroupIdAndUserIdAsync(groupId, userId);
+            if (member is null)
+            {
+                return Result.Fail(ResultCode.GROUP_MEMBER_NOT_FOUNT);
+            }
+            if (member.Role == Domain.Enums.GroupMemberRole.Master)
+            {
+                return Result.Fail<object>(ResultCode.PERMISSION_DENIED, "群主不能直接退群，请使用解散群接口");
+            }
+
+            member.Leave();
+            return Result.Success();
+        }
     }
 }

GroupService.WebApi/Application/GroupRequest/GroupRequestService.cs

@@ -98,7 +98,7 @@ namespace GroupService.WebApi.Application.GroupRequest
         }
         public async Task<Result<List<GroupRequestResponse>>> GetListAsync(Guid userId)
         {
-            var list = await reposity.FindByUserIdAsync(userId);
+            var list = await reposity.FindVisibleToUserAsync(userId);
             return Result.Success(mapper.Map<List<GroupRequestResponse>>(list.ToList()));
         }