feat: add user-defined schema and migrations (#7418)

src/Options/Definitions.js

@@ -446,6 +446,45 @@ module.exports.SecurityOptions = {
     default: false,
   },
 };
+module.exports.SchemaOptions = {
+  definitions: {
+    help: 'The schema definitions.',
+    default: [],
+  },
+  strict: {
+    env: 'PARSE_SERVER_SCHEMA_STRICT',
+    help: 'Is true if Parse Server should exit if schema update fail.',
+    action: parsers.booleanParser,
+    default: true,
+  },
+  deleteExtraFields: {
+    env: 'PARSE_SERVER_SCHEMA_DELETE_EXTRA_FIELDS',
+    help:
+      'Is true if Parse Server should delete any fields not defined in a schema definition. This should only be used during development.',
+    action: parsers.booleanParser,
+    default: false,
+  },
+  recreateModifiedFields: {
+    env: 'PARSE_SERVER_SCHEMA_RECREATE_MODIFIED_FIELDS',
+    help:
+      'Is true if Parse Server should recreate any fields that are different between the current database schema and theschema definition. This should only be used during development.',
+    action: parsers.booleanParser,
+    default: false,
+  },
+  lockSchemas: {
+    env: 'PARSE_SERVER_SCHEMA_LOCK',
+    help:
+      'Is true if Parse Server will reject any attempts to modify the schema while the server is running.',
+    action: parsers.booleanParser,
+    default: false,
+  },
+  beforeMigration: {
+    help: 'Execute a callback before running schema migrations.',
+  },
+  afterMigration: {
+    help: 'Execute a callback after running schema migrations.',
+  },
+};
 module.exports.PagesOptions = {
   customRoutes: {
     env: 'PARSE_SERVER_PAGES_CUSTOM_ROUTES',

src/Options/index.js

@@ -1,3 +1,4 @@
+// @flow
 import { AnalyticsAdapter } from '../Adapters/Analytics/AnalyticsAdapter';
 import { FilesAdapter } from '../Adapters/Files/FilesAdapter';
 import { LoggerAdapter } from '../Adapters/Logger/LoggerAdapter';
@@ -7,8 +8,8 @@ import { MailAdapter } from '../Adapters/Email/MailAdapter';
 import { PubSubAdapter } from '../Adapters/PubSub/PubSubAdapter';
 import { WSSAdapter } from '../Adapters/WebSocketServer/WSSAdapter';
 import { CheckGroup } from '../Security/CheckGroup';
+import type { SchemaOptions } from '../SchemaMigrations/Migrations';
 
-// @flow
 type Adapter<T> = string | any | T;
 type NumberOrBoolean = number | boolean;
 type NumberOrString = number | string;
@@ -241,6 +242,8 @@ export interface ParseServerOptions {
   playgroundPath: ?string;
   /* Callback when server has started */
   serverStartComplete: ?(error: ?Error) => void;
+  /* Rest representation on Parse.Schema https://docs.parseplatform.org/rest/guide/#adding-a-schema */
+  schema: ?SchemaOptions;
   /* Callback when server has closed */
   serverCloseComplete: ?() => void;
   /* The security options to identify and report weak security settings.