Add migration file

server/initializers/migrations/0295-add-originally-published-at.ts

@@ -0,0 +1,42 @@
+import * as Sequelize from 'sequelize'
+
+async function up (utils: {
+  transaction: Sequelize.Transaction,
+  queryInterface: Sequelize.QueryInterface,
+  sequelize: Sequelize.Sequelize
+}): Promise<void> {
+
+  {
+    const data = {
+      type: Sequelize.DATE,
+      allowNull: true,
+      defaultValue: Sequelize.NOW
+    }
+    await utils.queryInterface.addColumn('video', 'originallyPublishedAt', data)
+  }
+
+  {
+    const query = 'UPDATE video SET "originallyPublishedAt" = video."publishedAt"'
+    await utils.sequelize.query(query)
+  }
+
+  // Sequelize does not alter the column with NOW as default value
+  {
+    const data = {
+      type: Sequelize.DATE,
+      allowNull: false,
+      defaultValue: Sequelize.NOW
+    }
+    await utils.queryInterface.changeColumn('video', 'originallyPublishedAt', data)
+  }
+
+}
+
+function down (options) {
+  throw new Error('Not implemented.')
+}
+
+export {
+  up,
+  down
+}