Added pointer to current UploadedFile on Media

1 files changed, 75 insertions, 0 deletions

diff --git a/Migrations/20230905163953_CurrentUploadedFile.cs b/Migrations/20230905163953_CurrentUploadedFile.cs
new file mode 100644
index 0000000..265259e
--- /dev/null
+++ b/Migrations/20230905163953_CurrentUploadedFile.cs
@@ -0,0 +1,75 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace HyperBooru.Migrations
+{
+    /// <inheritdoc />
+    public partial class CurrentUploadedFile : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "CurrentUploadedFileId",
+                table: "Media",
+                type: "integer",
+                nullable: true);
+
+            migrationBuilder.Sql(@"
+                UPDATE
+                    ""Media""
+                SET
+                    ""CurrentUploadedFileId"" = uf.""ObjectId""
+                FROM
+                    (SELECT
+                        ""ObjectId"",
+                        ""MediaObjectId""
+                    FROM
+                        ""UploadedFiles""
+                    GROUP BY
+                        ""ObjectId"",
+                        ""MediaObjectId""
+                    ORDER BY
+                        ""ObjectId"") AS uf
+                WHERE
+                    ""Media"".""ObjectId"" = uf.""MediaObjectId"";");
+
+            migrationBuilder.AlterColumn<int>(
+                name: "CurrentUploadedFileId",
+                table: "Media",
+                type: "integer",
+                nullable: false);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Media_CurrentUploadedFileId",
+                table: "Media",
+                column: "CurrentUploadedFileId",
+                unique: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Media_UploadedFiles_CurrentUploadedFileId",
+                table: "Media",
+                column: "CurrentUploadedFileId",
+                principalTable: "UploadedFiles",
+                principalColumn: "ObjectId",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Media_UploadedFiles_CurrentUploadedFileId",
+                table: "Media");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Media_CurrentUploadedFileId",
+                table: "Media");
+
+            migrationBuilder.DropColumn(
+                name: "CurrentUploadedFileId",
+                table: "Media");
+        }
+    }
+}