(#30) add endpoint for getting event rating

SaintAngeLs · May 15, 2024 · 2aa43be · 2aa43be
1 parent 03a49c3
commit 2aa43be
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Showing 6 changed files with 76 additions and 3 deletions.
diff --git a/MiniSpace.Services.Events/src/MiniSpace.Services.Events.Api/Program.cs b/MiniSpace.Services.Events/src/MiniSpace.Services.Events.Api/Program.cs
@@ -58,6 +58,7 @@ public static async Task Main(string[] args)
                         .Delete<CancelRateEvent>("events/{eventId}/rate")
                         .Get<GetStudentEvents, PagedResponse<IEnumerable<EventDto>>>("events/student/{studentId}")
                         .Get<GetEventParticipants, EventParticipantsDto>("events/{eventId}/participants")
+                        .Get<GetEventRating, EventRatingDto>("events/{eventId}/rating")
                         .Post<AddEventParticipant>("events/{eventId}/participants")
                         .Delete<RemoveEventParticipant>("events/{eventId}/participants")
                     )

diff --git a/MiniSpace.Services.Events/src/MiniSpace.Services.Events.Application/DTO/EventDto.cs b/MiniSpace.Services.Events/src/MiniSpace.Services.Events.Application/DTO/EventDto.cs
@@ -26,7 +26,7 @@ public class EventDto
         public DateTime UpdatedAt { get; set; }
         public bool IsSignedUp { get; set; }
         public bool IsInterested { get; set; }
-        public bool HasRated { get; set; }
+        public int? StudentRating { get; set; }
         public IEnumerable<ParticipantDto> FriendsInterestedIn { get; set; }
         public IEnumerable<ParticipantDto> FriendsSignedUp { get; set; }
 
@@ -52,7 +52,7 @@ public EventDto(Event @event, Guid studentId)
             PublishDate = @event.PublishDate;
             IsSignedUp = @event.SignedUpStudents.Any(x => x.StudentId == studentId);
             IsInterested = @event.InterestedStudents.Any(x => x.StudentId == studentId);
-            HasRated = @event.Ratings.Any(x => x.StudentId == studentId);
+            StudentRating = @event.Ratings.FirstOrDefault(x => x.StudentId == studentId)?.Value;
             FriendsInterestedIn = Enumerable.Empty<ParticipantDto>();
             FriendsSignedUp = Enumerable.Empty<ParticipantDto>();
         }

diff --git a/MiniSpace.Services.Events/src/MiniSpace.Services.Events.Application/DTO/EventRatingDto.cs b/MiniSpace.Services.Events/src/MiniSpace.Services.Events.Application/DTO/EventRatingDto.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace MiniSpace.Services.Events.Application.DTO
+{
+    public class EventRatingDto
+    {
+        public Guid EventId { get; set; }
+        public int TotalRatings { get; set; }
+        public double AverageRating { get; set; }
+    }
+}
diff --git a/...Space.Services.Events/src/MiniSpace.Services.Events.Application/Queries/GetEventRating.cs b/...Space.Services.Events/src/MiniSpace.Services.Events.Application/Queries/GetEventRating.cs
@@ -0,0 +1,11 @@
+using System;
+using Convey.CQRS.Queries;
+using MiniSpace.Services.Events.Application.DTO;
+
+namespace MiniSpace.Services.Events.Application.Queries
+{
+    public class GetEventRating : IQuery<EventRatingDto>
+    {
+        public Guid EventId { get; set; }
+    }
+}
diff --git a/...ervices.Events/src/MiniSpace.Services.Events.Infrastructure/Mongo/Documents/Extensions.cs b/...ervices.Events/src/MiniSpace.Services.Events.Infrastructure/Mongo/Documents/Extensions.cs
@@ -28,7 +28,7 @@ public static EventDto AsDto(this EventDocument document, Guid studentId)
                 UpdatedAt = document.UpdatedAt,
                 IsSignedUp = document.SignedUpStudents.Any(x => x.StudentId == studentId),
                 IsInterested = document.InterestedStudents.Any(x => x.StudentId == studentId),
-                HasRated = document.Ratings.Any(x => x.StudentId == studentId)
+                StudentRating = document.Ratings.FirstOrDefault(x => x.StudentId == studentId)?.Value,
             };
 
         public static EventDto AsDtoWithFriends(this EventDocument document, Guid studentId, IEnumerable<FriendDto> friends)
@@ -76,6 +76,14 @@ public static EventParticipantsDto AsDto(this EventDocument document)
                 InterestedStudents = document.InterestedStudents.Select(p => p.AsDto()),
                 SignedUpStudents = document.SignedUpStudents.Select(p => p.AsDto())
             };
+
+        public static EventRatingDto AsRatingDto(this EventDocument document)
+            => new ()
+            {
+                EventId = document.Id,
+                TotalRatings = document.Ratings.Count(),
+                AverageRating = document.Ratings.Any() ? document.Ratings.Average(x => x.Value) : 0
+            };
 
         public static AddressDto AsDto(this Address entity)
             => new ()

diff --git a/.../MiniSpace.Services.Events.Infrastructure/Mongo/Queries/Handlers/GetEventRatingHandler.cs b/.../MiniSpace.Services.Events.Infrastructure/Mongo/Queries/Handlers/GetEventRatingHandler.cs
@@ -0,0 +1,42 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Convey.CQRS.Queries;
+using Convey.Persistence.MongoDB;
+using MiniSpace.Services.Events.Application;
+using MiniSpace.Services.Events.Application.DTO;
+using MiniSpace.Services.Events.Application.Queries;
+using MiniSpace.Services.Events.Infrastructure.Mongo.Documents;
+
+namespace MiniSpace.Services.Events.Infrastructure.Mongo.Queries.Handlers
+{
+    public class GetEventRatingHandler : IQueryHandler<GetEventRating, EventRatingDto>
+    {
+        private readonly IMongoRepository<EventDocument, Guid> _eventRepository;
+        private readonly IAppContext _appContext;
+
+        public GetEventRatingHandler(IMongoRepository<EventDocument, Guid> eventRepository,
+            IAppContext appContext)
+        {
+            _eventRepository = eventRepository;
+            _appContext = appContext;
+        }
+
+        public async Task<EventRatingDto> HandleAsync(GetEventRating query, CancellationToken cancellationToken)
+        {
+            var document = await _eventRepository.GetAsync(p => p.Id == query.EventId);
+            if(document is null)
+            {
+                return null;
+            }
+            var identity = _appContext.Identity;
+            if(identity.IsAuthenticated && identity.Id != document.Organizer.Id && !identity.IsAdmin)
+            {
+                return null;
+            }
+
+            return document.AsRatingDto();
+        }
+
+    }
+}