Add support for hiding cases with !hidecase

src/migrations/1547393619900-AddIsHiddenToCases.ts

@@ -0,0 +1,25 @@
+import { MigrationInterface, QueryRunner, TableColumn, TableIndex } from "typeorm";
+
+export class AddIsHiddenToCases1547393619900 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<any> {
+    await queryRunner.addColumn(
+      "cases",
+      new TableColumn({
+        name: "is_hidden",
+        type: "tinyint",
+        unsigned: true,
+        default: 0
+      })
+    );
+    await queryRunner.createIndex(
+      "cases",
+      new TableIndex({
+        columnNames: ["is_hidden"]
+      })
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<any> {
+    await queryRunner.dropColumn("cases", "is_hidden");
+  }
+}