Merge pull request #22 from Team-Kaleidoscope/rating_system

Rating system

5 files changed, 913 insertions, 3 deletions

diff --git a/src/Data/DevHive.Data.Tests/RatingRepository.Tests.cs b/src/Data/DevHive.Data.Tests/RatingRepository.Tests.cs
new file mode 100644
index 0000000..2da90d9
--- /dev/null
+++ b/src/Data/DevHive.Data.Tests/RatingRepository.Tests.cs
@@ -0,0 +1,188 @@
+using DevHive.Data.Repositories;
+using Microsoft.EntityFrameworkCore;
+using NUnit.Framework;
+using System.Threading.Tasks;
+using DevHive.Data.Models;
+using System.Linq;
+using System;
+using System.Collections.Generic;
+
+namespace DevHive.Data.Tests
+{
+    [TestFixture]
+	public class RatingRepositoryTests
+	{
+		private DevHiveContext _context;
+		private RatingRepository _ratingRepository;
+
+		#region Setups
+		[SetUp]
+		public void Setup()
+		{
+			var optionsBuilder = new DbContextOptionsBuilder<DevHiveContext>()
+				.UseInMemoryDatabase(databaseName: "DevHive_Test_Database");
+
+			this._context = new DevHiveContext(optionsBuilder.Options);
+			this._ratingRepository = new RatingRepository(this._context, null);
+		}
+
+		[TearDown]
+		public void TearDown()
+		{
+			this._context.Database.EnsureDeleted();
+		}
+		#endregion
+
+		#region GetById
+		[Test]
+		public async Task GetByIdAsync_ReturnsTheCorrectRating_IfItExists()
+		{
+			Guid ratingId = Guid.NewGuid();
+			await AddDummyRating(ratingId);
+
+			Rating ratingResult = await this._ratingRepository.GetByIdAsync(ratingId);
+
+			Assert.AreEqual(ratingResult.Id, ratingId);
+		}
+
+		[Test]
+		public async Task GetByIdAsync_ReturnsNull_IfRatingDoesNotExist()
+		{
+			Rating ratingResult = await this._ratingRepository.GetByIdAsync(Guid.NewGuid());
+
+			Assert.IsNull(ratingResult);
+		}
+		#endregion
+
+		#region GetByPostId
+		[Test]
+		public async Task GetRatingsByPostId_ReturnsFilledListOfRatings_WhenTheyExist()
+		{
+			Guid postId = Guid.NewGuid();
+			await AddDummyPost(postId);
+			await AddDummyRating(Guid.NewGuid(), postId);
+			await AddDummyRating(Guid.NewGuid(), postId);
+
+			List<Rating> result = await this._ratingRepository.GetRatingsByPostId(postId);
+
+			Assert.IsNotEmpty(result);
+		}
+
+		[Test]
+		public async Task GetRatingsByPostId_ReturnsEmptyList_WhenThereAreNoRatings()
+		{
+			List<Rating> result = await this._ratingRepository.GetRatingsByPostId(Guid.NewGuid());
+
+			Assert.IsEmpty(result);
+		}
+		#endregion
+
+		#region GetByUserAndPostId
+		[Test]
+		public async Task GetRatingByUserAndPostId_ReturnsRating_WhenItExists()
+		{
+			Guid ratingId = Guid.NewGuid();
+			Guid postId = Guid.NewGuid();
+			Guid userId = Guid.NewGuid();
+			await AddDummyPost(postId);
+			await AddDummyUser(userId);
+			await AddDummyRating(ratingId, postId, userId);
+
+			Rating result = await this._ratingRepository.GetRatingByUserAndPostId(userId, postId);
+
+			Assert.AreEqual(result.Id, ratingId);
+		}
+
+		[Test]
+		public async Task GetRatingByUserAndPostId_ReturnsNull_WhenRatingDoesNotExist()
+		{
+			Rating result = await this._ratingRepository.GetRatingByUserAndPostId(Guid.NewGuid(), Guid.NewGuid());
+
+			Assert.IsNull(result);
+		}
+		#endregion
+
+		#region UserRatedPost
+		[Test]
+		public async Task UserRatedPost_ReturnsTrue_WhenUserHasRatedPost()
+		{
+			Guid postId = Guid.NewGuid();
+			Guid userId = Guid.NewGuid();
+			await AddDummyPost(postId);
+			await AddDummyUser(userId);
+			await AddDummyRating(Guid.NewGuid(), postId, userId);
+
+			bool result = await this._ratingRepository.UserRatedPost(userId, postId);
+
+			Assert.IsTrue(result);
+		}
+
+		[Test]
+		public async Task UserRatedPost_ReturnsFalse_WhenUserHasNotRatedPost()
+		{
+			bool result = await this._ratingRepository.UserRatedPost(Guid.NewGuid(), Guid.NewGuid());
+
+			Assert.IsFalse(result);
+		}
+		#endregion
+
+		#region DoesRatingExist
+		[Test]
+		public async Task DoesRatingExist_ReturnsTrue_WhenItExists()
+		{
+			Guid ratingId = Guid.NewGuid();
+			await AddDummyRating(ratingId);
+
+			bool result = await this._ratingRepository.DoesRatingExist(ratingId);
+
+			Assert.IsTrue(result);
+		}
+
+		[Test]
+		public async Task DoesRatingExist_ReturnsFalse_WhenRatingDoesNotExist()
+		{
+			bool result = await this._ratingRepository.DoesRatingExist(Guid.NewGuid());
+
+			Assert.IsFalse(result);
+		}
+		#endregion
+
+		#region HelperMethods
+		private async Task AddDummyRating(Guid ratingId, Guid postId = default(Guid), Guid userId = default(Guid))
+		{
+			Rating rating = new Rating
+			{
+				Id = ratingId,
+				Post = this._context.Posts.FirstOrDefault(x => x.Id == postId),
+				User = this._context.Users.FirstOrDefault(x => x.Id == userId)
+			};
+
+			await this._context.Rating.AddAsync(rating);
+			await this._context.SaveChangesAsync();
+		}
+
+		private async Task AddDummyPost(Guid postId)
+		{
+			Post post = new Post()
+			{
+				Id = postId,
+				Message = "Never gonna give you up"
+			};
+
+			await this._context.Posts.AddAsync(post);
+			await this._context.SaveChangesAsync();
+		}
+
+		private async Task AddDummyUser(Guid userId)
+		{
+			User user = new User()
+			{
+				Id = userId
+			};
+
+			await this._context.Users.AddAsync(user);
+			await this._context.SaveChangesAsync();
+		}
+		#endregion
+	}
+}
diff --git a/src/Data/DevHive.Data/Migrations/20210303083146_rating_migrations_update.Designer.cs b/src/Data/DevHive.Data/Migrations/20210303083146_rating_migrations_update.Designer.cs
new file mode 100644
index 0000000..ff5dd1c
--- /dev/null
+++ b/src/Data/DevHive.Data/Migrations/20210303083146_rating_migrations_update.Designer.cs
@@ -0,0 +1,675 @@
+// <auto-generated />
+using System;
+using DevHive.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+namespace DevHive.Data.Migrations
+{
+    [DbContext(typeof(DevHiveContext))]
+    [Migration("20210303083146_rating_migrations_update")]
+    partial class rating_migrations_update
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("Relational:MaxIdentifierLength", 63)
+                .HasAnnotation("ProductVersion", "5.0.3")
+                .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+            modelBuilder.Entity("DevHive.Data.Models.Comment", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("CreatorId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Message")
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("PostId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("TimeCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatorId");
+
+                    b.HasIndex("PostId");
+
+                    b.ToTable("Comments");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Language", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Languages");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Post", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("CreatorId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Message")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("TimeCreated")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatorId");
+
+                    b.ToTable("Posts");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.ProfilePicture", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("PictureURL")
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId")
+                        .IsUnique();
+
+                    b.ToTable("ProfilePicture");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Rating", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("IsLike")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid?>("PostId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PostId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Rating");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Relational.PostAttachments", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("FileUrl")
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("PostId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PostId");
+
+                    b.ToTable("PostAttachments");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Relational.RatedPost", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PostId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId", "PostId");
+
+                    b.HasIndex("PostId");
+
+                    b.ToTable("RatedPosts");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Relational.UserRate", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("Liked")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid?>("PostId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PostId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("UserRates");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Technology", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Technologies");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("FirstName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LastName")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.HasIndex("UserId");
+
+                    b.HasIndex("UserName")
+                        .IsUnique();
+
+                    b.ToTable("AspNetUsers");
+                });
+
+            modelBuilder.Entity("LanguageUser", b =>
+                {
+                    b.Property<Guid>("LanguagesId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UsersId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("LanguagesId", "UsersId");
+
+                    b.HasIndex("UsersId");
+
+                    b.ToTable("LanguageUser");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<System.Guid>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<System.Guid>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<System.Guid>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<System.Guid>", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<System.Guid>", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens");
+                });
+
+            modelBuilder.Entity("RoleUser", b =>
+                {
+                    b.Property<Guid>("RolesId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UsersId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("RolesId", "UsersId");
+
+                    b.HasIndex("UsersId");
+
+                    b.ToTable("RoleUser");
+                });
+
+            modelBuilder.Entity("TechnologyUser", b =>
+                {
+                    b.Property<Guid>("TechnologiesId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UsersId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("TechnologiesId", "UsersId");
+
+                    b.HasIndex("UsersId");
+
+                    b.ToTable("TechnologyUser");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Comment", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", "Creator")
+                        .WithMany("Comments")
+                        .HasForeignKey("CreatorId");
+
+                    b.HasOne("DevHive.Data.Models.Post", "Post")
+                        .WithMany("Comments")
+                        .HasForeignKey("PostId");
+
+                    b.Navigation("Creator");
+
+                    b.Navigation("Post");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Post", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", "Creator")
+                        .WithMany("Posts")
+                        .HasForeignKey("CreatorId");
+
+                    b.Navigation("Creator");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.ProfilePicture", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", "User")
+                        .WithOne("ProfilePicture")
+                        .HasForeignKey("DevHive.Data.Models.ProfilePicture", "UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Rating", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Post", "Post")
+                        .WithMany("Ratings")
+                        .HasForeignKey("PostId");
+
+                    b.HasOne("DevHive.Data.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("Post");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Relational.PostAttachments", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Post", "Post")
+                        .WithMany("Attachments")
+                        .HasForeignKey("PostId");
+
+                    b.Navigation("Post");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Relational.RatedPost", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Post", "Post")
+                        .WithMany()
+                        .HasForeignKey("PostId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DevHive.Data.Models.User", "User")
+                        .WithMany("RatedPosts")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Post");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Relational.UserRate", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Post", "Post")
+                        .WithMany()
+                        .HasForeignKey("PostId");
+
+                    b.HasOne("DevHive.Data.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("Post");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.User", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany("Friends")
+                        .HasForeignKey("UserId");
+                });
+
+            modelBuilder.Entity("LanguageUser", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Language", null)
+                        .WithMany()
+                        .HasForeignKey("LanguagesId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UsersId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<System.Guid>", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Role", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<System.Guid>", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<System.Guid>", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<System.Guid>", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Role", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<System.Guid>", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("RoleUser", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Role", null)
+                        .WithMany()
+                        .HasForeignKey("RolesId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UsersId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("TechnologyUser", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Technology", null)
+                        .WithMany()
+                        .HasForeignKey("TechnologiesId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UsersId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Post", b =>
+                {
+                    b.Navigation("Attachments");
+
+                    b.Navigation("Comments");
+
+                    b.Navigation("Ratings");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.User", b =>
+                {
+                    b.Navigation("Comments");
+
+                    b.Navigation("Friends");
+
+                    b.Navigation("Posts");
+
+                    b.Navigation("ProfilePicture");
+
+                    b.Navigation("RatedPosts");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Data/DevHive.Data/Migrations/20210303083146_rating_migrations_update.cs b/src/Data/DevHive.Data/Migrations/20210303083146_rating_migrations_update.cs
new file mode 100644
index 0000000..073ba50
--- /dev/null
+++ b/src/Data/DevHive.Data/Migrations/20210303083146_rating_migrations_update.cs
@@ -0,0 +1,24 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace DevHive.Data.Migrations
+{
+    public partial class rating_migrations_update : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "CurrentRating",
+                table: "Posts");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "CurrentRating",
+                table: "Posts",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+        }
+    }
+}
diff --git a/src/Data/DevHive.Data/Migrations/DevHiveContextModelSnapshot.cs b/src/Data/DevHive.Data/Migrations/DevHiveContextModelSnapshot.cs
index a722cb2..80e3ac0 100644
--- a/src/Data/DevHive.Data/Migrations/DevHiveContextModelSnapshot.cs
+++ b/src/Data/DevHive.Data/Migrations/DevHiveContextModelSnapshot.cs
@@ -69,9 +69,6 @@ namespace DevHive.Data.Migrations
                     b.Property<Guid?>("CreatorId")
                         .HasColumnType("uuid");
 
-                    b.Property<int>("CurrentRating")
-                        .HasColumnType("integer");
-
                     b.Property<string>("Message")
                         .HasColumnType("text");
 
diff --git a/src/Data/DevHive.Data/Repositories/RatingRepository.cs b/src/Data/DevHive.Data/Repositories/RatingRepository.cs
index 9bb2368..c35f6d5 100644
--- a/src/Data/DevHive.Data/Repositories/RatingRepository.cs
+++ b/src/Data/DevHive.Data/Repositories/RatingRepository.cs
@@ -27,23 +27,49 @@ namespace DevHive.Data.Repositories
 				.Include(x => x.Post)
 				.FirstOrDefaultAsync(x => x.Id == id);
 		}
+		/// <summary>
+		/// Gets all the ratings for a psot.
+		/// </summary>
+		/// <param name="postId">Id of the post.</param>
+		/// <returns></returns>
 		public async Task<List<Rating>> GetRatingsByPostId(Guid postId)
 		{
 			return await this._context.Rating
+				.Include(x => x.User)
+				.Include(x => x.Post)
 				.Where(x => x.Post.Id == postId).ToListAsync();
 		}
+		/// <summary>
+		/// Checks if a user rated a given post. In DevHive every user has one or no rating for every post. 
+		/// </summary>
+		/// <param name="userId">Id of the user.</param>
+		/// <param name="postId">Id of the psot.</param>
+		/// <returns>True if the user has already rated the post and false if he hasn't.</returns>
 		public async Task<bool> UserRatedPost(Guid userId, Guid postId)
 		{
 			return await this._context.Rating
 				.Where(x => x.Post.Id == postId)
 				.AnyAsync(x => x.User.Id == userId);
 		}
+		/// <summary>
+		/// Gets a rating by the post to which the rating corresponds and the user who created it.
+		/// </summary>
+		/// <param name="userId">Id of the user.</param>
+		/// <param name="postId">Id of the post.</param>
+		/// <returns>Rating for the given post by the given user.</returns>
 		public async Task<Rating> GetRatingByUserAndPostId(Guid userId, Guid postId)
 		{
 			return await this._context.Rating
+				.Include(x => x.User)
+				.Include(x => x.Post)
 				.FirstOrDefaultAsync(x => x.Post.Id == postId && x.User.Id == userId);
 		}
 
+		/// <summary>
+		/// Checks if a given rating already exist
+		/// </summary>
+		/// <param name="id">Id of the rating</param>
+		/// <returns>True if the rating exists and false if it does not.</returns>
 		public async Task<bool> DoesRatingExist(Guid id)
 		{
 			return await this._context.Rating