feat: Support Amplify Android Lazy Types and Custom Selection Set (#699)

* Android CSS and LL support

* Further model updates

* Fix LazyModel generation logic

* Only generate ModelPath if model type

* lint

* Fix LazyModel in builder

* android lazy + css support

* android updates

* Add nullability requirements to CopyOfBuilder

* Update to use ModelReference types

* Adding tests (#697)

* lint

* generate CompositePKParent files correctly

* WIP: attempt to check if datastore is enabled

* Generate lazy if datastore is disbled

* Fix indentation

* PR Comments

* add isDataStoreEnabled true tests

* lint

* Update tests

* Add targetNames to belongsTo

* Create manyToMany join model path files

* Update API.md

* add more test cases

* refactor join model preset code

* PR comment

* pr comment

* Fix unnecessary forEach iterations

* Update packages/appsync-modelgen-plugin/src/visitors/appsync-java-visitor.ts

Co-authored-by: Dane Pilcher <[email protected]>

* Only add targetNames for HasOne on Android if lazy load support enabled

---------

Co-authored-by: Michael Law <[email protected]>
Co-authored-by: Dane Pilcher <[email protected]>

Author: 3 people

packages/amplify-codegen/src/commands/models.js

@@ -7,6 +7,7 @@ const { validateAmplifyFlutterMinSupportedVersion } = require('../utils/validate
 const defaultDirectiveDefinitions = require('../utils/defaultDirectiveDefinitions');
 const getProjectRoot = require('../utils/getProjectRoot');
 const { getModelSchemaPathParam, hasModelSchemaPathParam } = require('../utils/getModelSchemaPathParam');
+const { isDataStoreEnabled } = require('graphql-transformer-core');
 
 /**
  * Amplify Context type.
@@ -260,6 +261,7 @@ async function generateModels(context, generateOptions = null) {
   const generatedCode = await generateModelsHelper({
     schema: loadSchema(apiResourcePath),
     directives: await getDirectives(context, apiResourcePath),
+    isDataStoreEnabled: await isDataStoreEnabled(apiResourcePath),
     target: modelgenFrontendToTargetMap[frontend],
     generateIndexRules: readFeatureFlag(context, 'codegen.generateIndexRules'),
     emitAuthProvider: readFeatureFlag(context, 'codegen.emitAuthProvider'),

packages/appsync-modelgen-plugin/API.md

@@ -16,6 +16,7 @@ export const addToSchema: (config: AppSyncModelPluginConfig) => string;
 export type AppSyncModelCodeGenPresetConfig = {
     overrideOutputDir: string | null;
     target: Target;
+    isDataStoreEnabled?: boolean;
 };
 
 // @public (undocumented)