Merge branch 'dev' of https://github.com/Team-Kaleidoscope/DevHive into dev

11 files changed, 1887 insertions, 16 deletions

diff --git a/src/DevHive.Data/DevHiveContext.cs b/src/DevHive.Data/DevHiveContext.cs
index 48a6789..40b2a42 100644
--- a/src/DevHive.Data/DevHiveContext.cs
+++ b/src/DevHive.Data/DevHiveContext.cs
@@ -1,5 +1,6 @@
 using System;
 using DevHive.Data.Models;
+using DevHive.Data.RelationModels;
 using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore;
 
@@ -17,30 +18,50 @@ namespace DevHive.Data
 
 		protected override void OnModelCreating(ModelBuilder builder)
 		{
+			/* User */
 			builder.Entity<User>()
-				.HasIndex(x => x.UserName)
-				.IsUnique();
+				.HasKey(x => x.Id);
 
 			builder.Entity<User>()
-				.HasMany(x => x.Roles);
+				.HasIndex(x => x.UserName)
+				.IsUnique();
 
+			/* Roles */
 			builder.Entity<User>()
-				.HasMany(x => x.Friends);
+				.HasMany(x => x.Roles)
+				.WithMany(x => x.Users);
 
-			builder.Entity<User>()
-				.HasMany(x => x.Languages);
+			/* Friends */
+			builder.Entity<UserFriends>()
+				.HasKey(uu => new { uu.UserId, uu.FriendId });
 
+			/* Languages */
 			builder.Entity<Language>()
-				.HasMany(x => x.Users);
+				.HasKey(x => x.Id);
 
 			builder.Entity<User>()
-				.HasMany(x => x.Technologies);
+				.HasMany(x => x.Languages)
+				.WithMany(x => x.Users)
+				.UsingEntity(x => x.ToTable("LanguageUser"));
 
+			builder.Entity<Language>()
+				.HasMany(x => x.Users)
+				.WithMany(x => x.Languages)
+				.UsingEntity(x => x.ToTable("LanguageUser"));
+
+			/* Technologies */
 			builder.Entity<Technology>()
-				.HasMany(x => x.Users);
+				.HasKey(x => x.Id);
 
 			builder.Entity<User>()
-				.HasChangeTrackingStrategy(ChangeTrackingStrategy.Snapshot);
+				.HasMany(x => x.Technologies)
+				.WithMany(x => x.Users)
+				.UsingEntity(x => x.ToTable("TechnologyUser"));
+
+			builder.Entity<Technology>()
+				.HasMany(x => x.Users)
+				.WithMany(x => x.Technologies)
+				.UsingEntity(x => x.ToTable("TechnologyUser"));
 
 			base.OnModelCreating(builder);
 		}
diff --git a/src/DevHive.Data/Migrations/20210127110304_RelationsManuallyConfigured.Designer.cs b/src/DevHive.Data/Migrations/20210127110304_RelationsManuallyConfigured.Designer.cs
new file mode 100644
index 0000000..4fb21a7
--- /dev/null
+++ b/src/DevHive.Data/Migrations/20210127110304_RelationsManuallyConfigured.Designer.cs
@@ -0,0 +1,478 @@
+// <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("20210127110304_RelationsManuallyConfigured")]
+    partial class RelationsManuallyConfigured
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .UseIdentityByDefaultColumns()
+                .HasAnnotation("Relational:MaxIdentifierLength", 63)
+                .HasAnnotation("ProductVersion", "5.0.1");
+
+            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("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.ToTable("Posts");
+                });
+
+            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>("ProfilePictureUrl")
+                        .HasColumnType("text");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    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("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")
+                        .UseIdentityByDefaultColumn();
+
+                    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")
+                        .UseIdentityByDefaultColumn();
+
+                    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("UserUser", b =>
+                {
+                    b.Property<Guid>("FriendsId")
+                        .HasColumnType("uuid");
+
+                    b.HasIndex("FriendsId");
+
+                    b.ToTable("UserUser");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Comment", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.Post", null)
+                        .WithMany("Comments")
+                        .HasForeignKey("PostId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            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("UserUser", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("FriendsId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.Post", b =>
+                {
+                    b.Navigation("Comments");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/DevHive.Data/Migrations/20210127110304_RelationsManuallyConfigured.cs b/src/DevHive.Data/Migrations/20210127110304_RelationsManuallyConfigured.cs
new file mode 100644
index 0000000..d52546d
--- /dev/null
+++ b/src/DevHive.Data/Migrations/20210127110304_RelationsManuallyConfigured.cs
@@ -0,0 +1,69 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace DevHive.Data.Migrations
+{
+    public partial class RelationsManuallyConfigured : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_AspNetUsers_AspNetUsers_UserId",
+                table: "AspNetUsers");
+
+            migrationBuilder.DropIndex(
+                name: "IX_AspNetUsers_UserId",
+                table: "AspNetUsers");
+
+            migrationBuilder.DropColumn(
+                name: "UserId",
+                table: "AspNetUsers");
+
+            migrationBuilder.CreateTable(
+                name: "UserUser",
+                columns: table => new
+                {
+                    FriendsId = table.Column<Guid>(type: "uuid", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.ForeignKey(
+                        name: "FK_UserUser_AspNetUsers_FriendsId",
+                        column: x => x.FriendsId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UserUser_FriendsId",
+                table: "UserUser",
+                column: "FriendsId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "UserUser");
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "UserId",
+                table: "AspNetUsers",
+                type: "uuid",
+                nullable: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetUsers_UserId",
+                table: "AspNetUsers",
+                column: "UserId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_AspNetUsers_AspNetUsers_UserId",
+                table: "AspNetUsers",
+                column: "UserId",
+                principalTable: "AspNetUsers",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Restrict);
+        }
+    }
+}
diff --git a/src/DevHive.Data/Migrations/20210127213238_RelationsManuallyConfiguredTwo.Designer.cs b/src/DevHive.Data/Migrations/20210127213238_RelationsManuallyConfiguredTwo.Designer.cs
new file mode 100644
index 0000000..de63d70
--- /dev/null
+++ b/src/DevHive.Data/Migrations/20210127213238_RelationsManuallyConfiguredTwo.Designer.cs
@@ -0,0 +1,510 @@
+// <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("20210127213238_RelationsManuallyConfiguredTwo")]
+    partial class RelationsManuallyConfiguredTwo
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .UseIdentityByDefaultColumns()
+                .HasAnnotation("Relational:MaxIdentifierLength", 63)
+                .HasAnnotation("ProductVersion", "5.0.1");
+
+            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("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.ToTable("Posts");
+                });
+
+            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>("ProfilePictureUrl")
+                        .HasColumnType("text");
+
+                    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("DevHive.Data.RelationModels.UserUser", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("FriendId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId", "FriendId");
+
+                    b.HasIndex("FriendId");
+
+                    b.ToTable("UserUser");
+                });
+
+            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")
+                        .UseIdentityByDefaultColumn();
+
+                    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")
+                        .UseIdentityByDefaultColumn();
+
+                    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.Post", null)
+                        .WithMany("Comments")
+                        .HasForeignKey("PostId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.User", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany("Friends")
+                        .HasForeignKey("UserId");
+                });
+
+            modelBuilder.Entity("DevHive.Data.RelationModels.UserUser", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", "Friend")
+                        .WithMany()
+                        .HasForeignKey("FriendId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DevHive.Data.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Friend");
+
+                    b.Navigation("User");
+                });
+
+            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("Comments");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.User", b =>
+                {
+                    b.Navigation("Friends");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/DevHive.Data/Migrations/20210127213238_RelationsManuallyConfiguredTwo.cs b/src/DevHive.Data/Migrations/20210127213238_RelationsManuallyConfiguredTwo.cs
new file mode 100644
index 0000000..ad1649c
--- /dev/null
+++ b/src/DevHive.Data/Migrations/20210127213238_RelationsManuallyConfiguredTwo.cs
@@ -0,0 +1,121 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace DevHive.Data.Migrations
+{
+    public partial class RelationsManuallyConfiguredTwo : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_UserUser_AspNetUsers_FriendsId",
+                table: "UserUser");
+
+            migrationBuilder.RenameColumn(
+                name: "FriendsId",
+                table: "UserUser",
+                newName: "FriendId");
+
+            migrationBuilder.RenameIndex(
+                name: "IX_UserUser_FriendsId",
+                table: "UserUser",
+                newName: "IX_UserUser_FriendId");
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "UserId",
+                table: "UserUser",
+                type: "uuid",
+                nullable: false,
+                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"));
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "UserId",
+                table: "AspNetUsers",
+                type: "uuid",
+                nullable: true);
+
+            migrationBuilder.AddPrimaryKey(
+                name: "PK_UserUser",
+                table: "UserUser",
+                columns: new[] { "UserId", "FriendId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetUsers_UserId",
+                table: "AspNetUsers",
+                column: "UserId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_AspNetUsers_AspNetUsers_UserId",
+                table: "AspNetUsers",
+                column: "UserId",
+                principalTable: "AspNetUsers",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Restrict);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_UserUser_AspNetUsers_FriendId",
+                table: "UserUser",
+                column: "FriendId",
+                principalTable: "AspNetUsers",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_UserUser_AspNetUsers_UserId",
+                table: "UserUser",
+                column: "UserId",
+                principalTable: "AspNetUsers",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_AspNetUsers_AspNetUsers_UserId",
+                table: "AspNetUsers");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_UserUser_AspNetUsers_FriendId",
+                table: "UserUser");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_UserUser_AspNetUsers_UserId",
+                table: "UserUser");
+
+            migrationBuilder.DropPrimaryKey(
+                name: "PK_UserUser",
+                table: "UserUser");
+
+            migrationBuilder.DropIndex(
+                name: "IX_AspNetUsers_UserId",
+                table: "AspNetUsers");
+
+            migrationBuilder.DropColumn(
+                name: "UserId",
+                table: "UserUser");
+
+            migrationBuilder.DropColumn(
+                name: "UserId",
+                table: "AspNetUsers");
+
+            migrationBuilder.RenameColumn(
+                name: "FriendId",
+                table: "UserUser",
+                newName: "FriendsId");
+
+            migrationBuilder.RenameIndex(
+                name: "IX_UserUser_FriendId",
+                table: "UserUser",
+                newName: "IX_UserUser_FriendsId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_UserUser_AspNetUsers_FriendsId",
+                table: "UserUser",
+                column: "FriendsId",
+                principalTable: "AspNetUsers",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+    }
+}
diff --git a/src/DevHive.Data/Migrations/20210127222937_UserFriends_Implement.Designer.cs b/src/DevHive.Data/Migrations/20210127222937_UserFriends_Implement.Designer.cs
new file mode 100644
index 0000000..84b6453
--- /dev/null
+++ b/src/DevHive.Data/Migrations/20210127222937_UserFriends_Implement.Designer.cs
@@ -0,0 +1,510 @@
+// <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("20210127222937_UserFriends_Implement")]
+    partial class UserFriends_Implement
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .UseIdentityByDefaultColumns()
+                .HasAnnotation("Relational:MaxIdentifierLength", 63)
+                .HasAnnotation("ProductVersion", "5.0.1");
+
+            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("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.ToTable("Posts");
+                });
+
+            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>("ProfilePictureUrl")
+                        .HasColumnType("text");
+
+                    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("DevHive.Data.RelationModels.UserFriends", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("FriendId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId", "FriendId");
+
+                    b.HasIndex("FriendId");
+
+                    b.ToTable("UserFriends");
+                });
+
+            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")
+                        .UseIdentityByDefaultColumn();
+
+                    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")
+                        .UseIdentityByDefaultColumn();
+
+                    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.Post", null)
+                        .WithMany("Comments")
+                        .HasForeignKey("PostId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.User", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", null)
+                        .WithMany("Friends")
+                        .HasForeignKey("UserId");
+                });
+
+            modelBuilder.Entity("DevHive.Data.RelationModels.UserFriends", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", "Friend")
+                        .WithMany()
+                        .HasForeignKey("FriendId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DevHive.Data.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Friend");
+
+                    b.Navigation("User");
+                });
+
+            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("Comments");
+                });
+
+            modelBuilder.Entity("DevHive.Data.Models.User", b =>
+                {
+                    b.Navigation("Friends");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/DevHive.Data/Migrations/20210127222937_UserFriends_Implement.cs b/src/DevHive.Data/Migrations/20210127222937_UserFriends_Implement.cs
new file mode 100644
index 0000000..e891b9f
--- /dev/null
+++ b/src/DevHive.Data/Migrations/20210127222937_UserFriends_Implement.cs
@@ -0,0 +1,78 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace DevHive.Data.Migrations
+{
+    public partial class UserFriends_Implement : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "UserUser");
+
+            migrationBuilder.CreateTable(
+                name: "UserFriends",
+                columns: table => new
+                {
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
+                    FriendId = table.Column<Guid>(type: "uuid", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_UserFriends", x => new { x.UserId, x.FriendId });
+                    table.ForeignKey(
+                        name: "FK_UserFriends_AspNetUsers_FriendId",
+                        column: x => x.FriendId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_UserFriends_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UserFriends_FriendId",
+                table: "UserFriends",
+                column: "FriendId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "UserFriends");
+
+            migrationBuilder.CreateTable(
+                name: "UserUser",
+                columns: table => new
+                {
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
+                    FriendId = table.Column<Guid>(type: "uuid", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_UserUser", x => new { x.UserId, x.FriendId });
+                    table.ForeignKey(
+                        name: "FK_UserUser_AspNetUsers_FriendId",
+                        column: x => x.FriendId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_UserUser_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UserUser_FriendId",
+                table: "UserUser",
+                column: "FriendId");
+        }
+    }
+}
diff --git a/src/DevHive.Data/Migrations/DevHiveContextModelSnapshot.cs b/src/DevHive.Data/Migrations/DevHiveContextModelSnapshot.cs
index 755c274..cf0a82b 100644
--- a/src/DevHive.Data/Migrations/DevHiveContextModelSnapshot.cs
+++ b/src/DevHive.Data/Migrations/DevHiveContextModelSnapshot.cs
@@ -201,6 +201,21 @@ namespace DevHive.Data.Migrations
                     b.ToTable("AspNetUsers");
                 });
 
+            modelBuilder.Entity("DevHive.Data.RelationModels.UserFriends", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("FriendId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId", "FriendId");
+
+                    b.HasIndex("FriendId");
+
+                    b.ToTable("UserFriends");
+                });
+
             modelBuilder.Entity("LanguageUser", b =>
                 {
                     b.Property<Guid>("LanguagesId")
@@ -363,6 +378,25 @@ namespace DevHive.Data.Migrations
                         .HasForeignKey("UserId");
                 });
 
+            modelBuilder.Entity("DevHive.Data.RelationModels.UserFriends", b =>
+                {
+                    b.HasOne("DevHive.Data.Models.User", "Friend")
+                        .WithMany()
+                        .HasForeignKey("FriendId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("DevHive.Data.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Friend");
+
+                    b.Navigation("User");
+                });
+
             modelBuilder.Entity("LanguageUser", b =>
                 {
                     b.HasOne("DevHive.Data.Models.Language", null)
diff --git a/src/DevHive.Data/RelationModels/UserFriends.cs b/src/DevHive.Data/RelationModels/UserFriends.cs
new file mode 100644
index 0000000..aad3083
--- /dev/null
+++ b/src/DevHive.Data/RelationModels/UserFriends.cs
@@ -0,0 +1,14 @@
+using System;
+using DevHive.Data.Models;
+
+namespace DevHive.Data.RelationModels
+{
+	public class UserFriends
+	{
+		public Guid UserId { get; set; }
+		public User User { get; set; }
+
+		public Guid FriendId { get; set; }
+		public User Friend { get; set; }
+	}
+}
diff --git a/src/DevHive.Data/Repositories/BaseRepository.cs b/src/DevHive.Data/Repositories/BaseRepository.cs
index 0a97ac1..f1e6673 100644
--- a/src/DevHive.Data/Repositories/BaseRepository.cs
+++ b/src/DevHive.Data/Repositories/BaseRepository.cs
@@ -13,7 +13,6 @@ namespace DevHive.Data.Repositories
 		public BaseRepository(DbContext context)
 		{
 			this._context = context;
-			this._context.ChangeTracker.AutoDetectChangesEnabled = false;
 		}
 
 		public virtual async Task<bool> AddAsync(TEntity entity)
@@ -34,11 +33,11 @@ namespace DevHive.Data.Repositories
 
 		public virtual async Task<bool> EditAsync(Guid id, TEntity newEntity)
 		{
-			TEntity currEnt = await this.GetByIdAsync(id);
-			this._context
-				.Entry(currEnt)
-				.CurrentValues
-				.SetValues(newEntity);
+			var entry = this._context.Entry(newEntity);
+            if (entry.State == EntityState.Detached)
+                this._context.Attach(newEntity);
+
+            entry.State = EntityState.Modified;
 
 			return await this.SaveChangesAsync(_context);
 		}
diff --git a/src/DevHive.Data/Repositories/UserRepository.cs b/src/DevHive.Data/Repositories/UserRepository.cs
index 57ae146..fe46226 100644
--- a/src/DevHive.Data/Repositories/UserRepository.cs
+++ b/src/DevHive.Data/Repositories/UserRepository.cs
@@ -1,9 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading.Tasks;
 using DevHive.Data.Interfaces.Repositories;
 using DevHive.Data.Models;
+using Microsoft.AspNetCore.Identity;
 using Microsoft.EntityFrameworkCore;
 
 namespace DevHive.Data.Repositories
@@ -48,6 +50,41 @@ namespace DevHive.Data.Repositories
 		}
 		#endregion
 
+		#region Update
+		public override async Task<bool> EditAsync(Guid id, User newEntity)
+		{
+			User user = await this.GetByIdAsync(id);
+
+			user.Languages.Clear();
+			foreach (var lang in newEntity.Languages)
+				user.Languages.Add(lang);
+
+			user.Roles.Clear();
+			foreach (var role in newEntity.Roles)
+				user.Roles.Add(role);
+
+			foreach (var friend in user.Friends)
+			{
+				friend.Friends.Remove(user);
+				this._context.Entry(friend).State = EntityState.Modified;
+			}
+			user.Friends.Clear();
+			foreach (var friend in newEntity.Friends)
+			{
+				friend.Friends.Add(user);
+				user.Friends.Add(friend);
+			}
+
+			user.Technologies.Clear();
+			foreach (var tech in newEntity.Technologies)
+				user.Technologies.Add(tech);
+
+			this._context.Entry(user).State = EntityState.Modified;
+
+			return await this.SaveChangesAsync(this._context);
+		}
+		#endregion
+
 		#region Validations
 		public async Task<bool> DoesUserExistAsync(Guid id)
 		{