feat: add student video and profile experience

Tiku.Infrastructure/Persistence/Configurations/AssetConfigurations.cs

@@ -310,3 +310,41 @@ internal sealed class QuestionVideoConfiguration : IEntityTypeConfiguration<Ques
             .OnDelete(DeleteBehavior.Cascade);
     }
 }
+
+internal sealed class VideoPlaybackProgressConfiguration : IEntityTypeConfiguration<VideoPlaybackProgress>
+{
+    public void Configure(EntityTypeBuilder<VideoPlaybackProgress> builder)
+    {
+        builder.ConfigureTenantEntity("video_playback_progress");
+        builder.ConfigureTimestamps();
+        builder.Property(entity => entity.Metadata).IsJson("{}");
+        builder.Property(entity => entity.LastPlayedAt).HasDefaultValueSql("now()");
+        builder.HasIndex(entity => new { entity.TenantId, entity.UserId, entity.VideoId })
+            .IsUnique()
+            .HasFilter("question_id is null");
+        builder.HasIndex(entity => new { entity.TenantId, entity.UserId, entity.VideoId, entity.QuestionId })
+            .IsUnique()
+            .HasFilter("question_id is not null");
+        builder.HasIndex(entity => new { entity.TenantId, entity.UserId, entity.LastPlayedAt });
+
+        builder.HasOne<User>().WithMany()
+            .HasForeignKey(entity => entity.UserId)
+            .OnDelete(DeleteBehavior.Cascade);
+        builder.HasOne<VideoExplanation>().WithMany()
+            .HasForeignKey(entity => new { entity.TenantId, entity.VideoId })
+            .HasPrincipalKey(entity => new { entity.TenantId, entity.Id })
+            .OnDelete(DeleteBehavior.Cascade);
+        builder.HasOne<Question>().WithMany()
+            .HasForeignKey(entity => new { entity.TenantId, entity.QuestionId })
+            .HasPrincipalKey(entity => new { entity.TenantId, entity.Id })
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder.ToTable(table =>
+        {
+            table.HasCheckConstraint("ck_video_playback_progress_position", "position_seconds >= 0");
+            table.HasCheckConstraint("ck_video_playback_progress_duration", "duration_seconds is null or duration_seconds >= 0");
+            table.HasCheckConstraint("ck_video_playback_progress_watched", "watched_seconds >= 0");
+            table.HasCheckConstraint("ck_video_playback_progress_play_count", "play_count >= 0");
+        });
+    }
+}

Tiku.Infrastructure/Persistence/Migrations/20260728070357_AddVideoPlaybackProgress.cs

@@ -0,0 +1,111 @@
+using System;
+using System.Text.Json;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Tiku.Infrastructure.Persistence.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddVideoPlaybackProgress : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "video_playback_progress",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false, defaultValueSql: "gen_random_uuid()"),
+                    user_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    video_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    question_id = table.Column<Guid>(type: "uuid", nullable: true),
+                    position_seconds = table.Column<int>(type: "integer", nullable: false),
+                    duration_seconds = table.Column<int>(type: "integer", nullable: true),
+                    watched_seconds = table.Column<int>(type: "integer", nullable: false),
+                    is_completed = table.Column<bool>(type: "boolean", nullable: false),
+                    completed_at = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: true),
+                    last_played_at = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now()"),
+                    play_count = table.Column<int>(type: "integer", nullable: false),
+                    metadata = table.Column<JsonElement>(type: "jsonb", nullable: false, defaultValueSql: "'{}'::jsonb"),
+                    tenant_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    created_at = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now()"),
+                    updated_at = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now()")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_video_playback_progress", x => x.id);
+                    table.UniqueConstraint("ak_video_playback_progress_tenant_id_id", x => new { x.tenant_id, x.id });
+                    table.CheckConstraint("ck_video_playback_progress_duration", "duration_seconds is null or duration_seconds >= 0");
+                    table.CheckConstraint("ck_video_playback_progress_play_count", "play_count >= 0");
+                    table.CheckConstraint("ck_video_playback_progress_position", "position_seconds >= 0");
+                    table.CheckConstraint("ck_video_playback_progress_watched", "watched_seconds >= 0");
+                    table.ForeignKey(
+                        name: "fk_video_playback_progress_questions_tenant_id_question_id",
+                        columns: x => new { x.tenant_id, x.question_id },
+                        principalTable: "questions",
+                        principalColumns: new[] { "tenant_id", "id" },
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_video_playback_progress_tenants_tenant_id",
+                        column: x => x.tenant_id,
+                        principalTable: "tenants",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_video_playback_progress_users_user_id",
+                        column: x => x.user_id,
+                        principalTable: "users",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_video_playback_progress_video_explanations_tenant_id_video_~",
+                        columns: x => new { x.tenant_id, x.video_id },
+                        principalTable: "video_explanations",
+                        principalColumns: new[] { "tenant_id", "id" },
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_video_playback_progress_tenant_id_question_id",
+                table: "video_playback_progress",
+                columns: new[] { "tenant_id", "question_id" });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_video_playback_progress_tenant_id_user_id_last_played_at",
+                table: "video_playback_progress",
+                columns: new[] { "tenant_id", "user_id", "last_played_at" });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_video_playback_progress_tenant_id_user_id_video_id",
+                table: "video_playback_progress",
+                columns: new[] { "tenant_id", "user_id", "video_id" },
+                unique: true,
+                filter: "question_id is null");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_video_playback_progress_tenant_id_user_id_video_id_question~",
+                table: "video_playback_progress",
+                columns: new[] { "tenant_id", "user_id", "video_id", "question_id" },
+                unique: true,
+                filter: "question_id is not null");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_video_playback_progress_tenant_id_video_id",
+                table: "video_playback_progress",
+                columns: new[] { "tenant_id", "video_id" });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_video_playback_progress_user_id",
+                table: "video_playback_progress",
+                column: "user_id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "video_playback_progress");
+        }
+    }
+}

Tiku.Infrastructure/Persistence/Migrations/TikuDbContextModelSnapshot.cs

@@ -6579,6 +6579,118 @@ namespace Tiku.Infrastructure.Persistence.Migrations
                     b.ToTable("video_explanations", (string)null);
                 });
 
+            modelBuilder.Entity("Tiku.Domain.Content.VideoPlaybackProgress", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid")
+                        .HasColumnName("id")
+                        .HasDefaultValueSql("gen_random_uuid()");
+
+                    b.Property<DateTimeOffset?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("completed_at");
+
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now()");
+
+                    b.Property<int?>("DurationSeconds")
+                        .HasColumnType("integer")
+                        .HasColumnName("duration_seconds");
+
+                    b.Property<bool>("IsCompleted")
+                        .HasColumnType("boolean")
+                        .HasColumnName("is_completed");
+
+                    b.Property<DateTimeOffset>("LastPlayedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("last_played_at")
+                        .HasDefaultValueSql("now()");
+
+                    b.Property<JsonElement>("Metadata")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("jsonb")
+                        .HasColumnName("metadata")
+                        .HasDefaultValueSql("'{}'::jsonb");
+
+                    b.Property<int>("PlayCount")
+                        .HasColumnType("integer")
+                        .HasColumnName("play_count");
+
+                    b.Property<int>("PositionSeconds")
+                        .HasColumnType("integer")
+                        .HasColumnName("position_seconds");
+
+                    b.Property<Guid?>("QuestionId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("question_id");
+
+                    b.Property<Guid>("TenantId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("tenant_id");
+
+                    b.Property<DateTimeOffset>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now()");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("user_id");
+
+                    b.Property<Guid>("VideoId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("video_id");
+
+                    b.Property<int>("WatchedSeconds")
+                        .HasColumnType("integer")
+                        .HasColumnName("watched_seconds");
+
+                    b.HasKey("Id")
+                        .HasName("pk_video_playback_progress");
+
+                    b.HasAlternateKey("TenantId", "Id")
+                        .HasName("ak_video_playback_progress_tenant_id_id");
+
+                    b.HasIndex("UserId")
+                        .HasDatabaseName("ix_video_playback_progress_user_id");
+
+                    b.HasIndex("TenantId", "QuestionId")
+                        .HasDatabaseName("ix_video_playback_progress_tenant_id_question_id");
+
+                    b.HasIndex("TenantId", "VideoId")
+                        .HasDatabaseName("ix_video_playback_progress_tenant_id_video_id");
+
+                    b.HasIndex("TenantId", "UserId", "LastPlayedAt")
+                        .HasDatabaseName("ix_video_playback_progress_tenant_id_user_id_last_played_at");
+
+                    b.HasIndex("TenantId", "UserId", "VideoId")
+                        .IsUnique()
+                        .HasDatabaseName("ix_video_playback_progress_tenant_id_user_id_video_id")
+                        .HasFilter("question_id is null");
+
+                    b.HasIndex("TenantId", "UserId", "VideoId", "QuestionId")
+                        .IsUnique()
+                        .HasDatabaseName("ix_video_playback_progress_tenant_id_user_id_video_id_question~")
+                        .HasFilter("question_id is not null");
+
+                    b.ToTable("video_playback_progress", null, t =>
+                        {
+                            t.HasCheckConstraint("ck_video_playback_progress_duration", "duration_seconds is null or duration_seconds >= 0");
+
+                            t.HasCheckConstraint("ck_video_playback_progress_play_count", "play_count >= 0");
+
+                            t.HasCheckConstraint("ck_video_playback_progress_position", "position_seconds >= 0");
+
+                            t.HasCheckConstraint("ck_video_playback_progress_watched", "watched_seconds >= 0");
+                        });
+                });
+
             modelBuilder.Entity("Tiku.Domain.Content.VocabularyUnit", b =>
                 {
                     b.Property<Guid>("Id")
@@ -16197,6 +16309,38 @@ namespace Tiku.Infrastructure.Persistence.Migrations
                         .HasConstraintName("fk_video_explanations_subjects_tenant_id_subject_id");
                 });
 
+            modelBuilder.Entity("Tiku.Domain.Content.VideoPlaybackProgress", b =>
+                {
+                    b.HasOne("Tiku.Domain.Tenancy.Tenant", null)
+                        .WithMany()
+                        .HasForeignKey("TenantId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_video_playback_progress_tenants_tenant_id");
+
+                    b.HasOne("Tiku.Domain.Identity.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_video_playback_progress_users_user_id");
+
+                    b.HasOne("Tiku.Domain.QuestionBanks.Question", null)
+                        .WithMany()
+                        .HasForeignKey("TenantId", "QuestionId")
+                        .HasPrincipalKey("TenantId", "Id")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .HasConstraintName("fk_video_playback_progress_questions_tenant_id_question_id");
+
+                    b.HasOne("Tiku.Domain.Content.VideoExplanation", null)
+                        .WithMany()
+                        .HasForeignKey("TenantId", "VideoId")
+                        .HasPrincipalKey("TenantId", "Id")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_video_playback_progress_video_explanations_tenant_id_video_~");
+                });
+
             modelBuilder.Entity("Tiku.Domain.Content.VocabularyUnit", b =>
                 {
                     b.HasOne("Tiku.Domain.Tenancy.Tenant", null)

Tiku.Infrastructure/Persistence/TikuDbContext.cs

@@ -98,6 +98,7 @@ public sealed class TikuDbContext(
     public DbSet<AppAsset> AppAssets => Set<AppAsset>();
     public DbSet<VideoExplanation> VideoExplanations => Set<VideoExplanation>();
     public DbSet<QuestionVideo> QuestionVideos => Set<QuestionVideo>();
+    public DbSet<VideoPlaybackProgress> VideoPlaybackProgress => Set<VideoPlaybackProgress>();
     public DbSet<TenantQuestionBankPreference> TenantQuestionBankPreferences => Set<TenantQuestionBankPreference>();
     public DbSet<TenantQuestionReference> TenantQuestionReferences => Set<TenantQuestionReference>();
     public DbSet<AiRecommendationReport> AiRecommendationReports => Set<AiRecommendationReport>();