feat(javascript): support generic for hits (#854)

Co-authored-by: Clément Vannicatte <vannicattec@gmail.com>

generators/src/main/java/com/algolia/codegen/AlgoliaJavaScriptGenerator.java

@@ -4,10 +4,12 @@
 import io.swagger.v3.oas.models.Operation;
 import io.swagger.v3.oas.models.servers.Server;
 import java.util.List;
+import java.util.Map;
 import org.openapitools.codegen.CodegenOperation;
 import org.openapitools.codegen.SupportingFile;
 import org.openapitools.codegen.languages.TypeScriptNodeClientCodegen;
 import org.openapitools.codegen.model.ModelMap;
+import org.openapitools.codegen.model.ModelsMap;
 import org.openapitools.codegen.model.OperationsMap;
 
 public class AlgoliaJavaScriptGenerator extends TypeScriptNodeClientCodegen {
@@ -132,6 +134,13 @@ private void setDefaultGeneratorOptions() {
     }
   }
 
+  @Override
+  public Map<String, ModelsMap> postProcessAllModels(Map<String, ModelsMap> objs) {
+    Map<String, ModelsMap> models = super.postProcessAllModels(objs);
+    GenericPropagator.propagateGenericsToModels(models);
+    return models;
+  }
+
   /** Provides an opportunity to inspect and modify operation data before the code is generated. */
   @Override
   public OperationsMap postProcessOperationsWithModels(OperationsMap objs, List<ModelMap> allModels) {
@@ -176,6 +185,8 @@ public OperationsMap postProcessOperationsWithModels(OperationsMap objs, List<Mo
       ope.vendorExtensions.put("x-create-wrapping-object", true);
     }
 
+    GenericPropagator.propagateGenericsToOperations(results, allModels);
+
     return results;
   }
 

generators/src/main/java/com/algolia/codegen/GenericPropagator.java

@@ -102,6 +102,27 @@ private static boolean propagateGenericRecursive(Map<String, CodegenModel> model
     return false;
   }
 
+  private static void setGenericToComposedSchema(Map<String, CodegenModel> models, List<CodegenProperty> composedSchemas) {
+    if (composedSchemas == null) {
+      return;
+    }
+    for (CodegenProperty prop : composedSchemas) {
+      if (hasGeneric(propertyToModel(models, prop))) {
+        setHasChildGeneric(prop);
+      }
+    }
+  }
+
+  private static void propagateToComposedSchema(Map<String, CodegenModel> models, CodegenModel model) {
+    CodegenComposedSchemas composedSchemas = model.getComposedSchemas();
+    if (composedSchemas == null || !hasGeneric(model)) {
+      return;
+    }
+    setGenericToComposedSchema(models, composedSchemas.getOneOf());
+    setGenericToComposedSchema(models, composedSchemas.getAllOf());
+    setGenericToComposedSchema(models, composedSchemas.getAnyOf());
+  }
+
   private static Map<String, CodegenModel> convertToMap(Map<String, ModelsMap> models) {
     Map<String, CodegenModel> modelsMap = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
     for (ModelsMap modelMap : models.values()) {
@@ -138,6 +159,10 @@ public static void propagateGenericsToModels(Map<String, ModelsMap> modelsMap) {
     for (CodegenModel model : models.values()) {
       propagateGenericRecursive(models, model);
     }
+
+    for (CodegenModel model : models.values()) {
+      propagateToComposedSchema(models, model);
+    }
   }
 
   /** Mark operations with a generic return type with x-is-generic */

generators/src/main/java/com/algolia/codegen/Utils.java

@@ -190,4 +190,8 @@ public static void setGenerationBanner(Map<String, Object> additionalProperties)
       "This file is generated, manual changes will be lost - read more on" + " https://github.com/algolia/api-clients-automation."
     );
   }
+
+  public static void prettyPrint(Object o) {
+    Json.prettyPrint(o);
+  }
 }

playground/javascript/node/search.ts

@@ -1,7 +1,6 @@
 import { searchClient } from '@algolia/client-search';
-import { ApiError, EchoResponse } from '@algolia/client-common';
+import { ApiError } from '@algolia/client-common';
 import dotenv from 'dotenv';
-import { echoRequester } from '@algolia/requester-node-http';
 
 dotenv.config({ path: '../../.env' });
 
@@ -12,17 +11,15 @@ const searchIndex = process.env.SEARCH_INDEX || 'test_index';
 const searchQuery = process.env.SEARCH_QUERY || 'test_query';
 
 // Init client with appId and apiKey
-const client = searchClient(appId, apiKey, { requester: echoRequester() });
+const client = searchClient(appId, apiKey);
 
 client.addAlgoliaAgent('Node playground', '0.0.1');
 
 async function testSearch() {
   try {
-    const res = (await client.post({
-      path: '/test/minimal',
-    })) as unknown as EchoResponse;
+    const res = await client.search<{ name: string }>({ requests: [{ indexName: searchIndex, query: searchQuery }] });
 
-    console.log(`[OK]`, res);
+    console.log(`[OK]`, res.results[0].hits![0].name);
   } catch (e: any) {
     // Instance of
     if (e instanceof ApiError) {

templates/javascript/clients/api-single.mustache

@@ -57,7 +57,7 @@ export function create{{capitalizedApiName}}({
     {{/isSearchClient}}
     {{#operation}}
     {{> client/api/operation/jsdoc}}
-    {{nickname}}( {{> client/api/operation/parameters}} ) : Promise<{{{returnType}}}> {
+    {{nickname}}{{#vendorExtensions.x-is-generic}}<T>{{/vendorExtensions.x-is-generic}}( {{> client/api/operation/parameters}} ) : Promise<{{{returnType}}}{{#vendorExtensions.x-is-generic}}<T>{{/vendorExtensions.x-is-generic}}> {
       {{#vendorExtensions.x-legacy-signature}}
         {{> client/api/operation/legacySearchCompatible/implementation}}
       {{/vendorExtensions.x-legacy-signature}}

templates/javascript/clients/model.mustache

@@ -11,19 +11,27 @@ import { {{classname}} } from '{{filename}}';
 /**
 * {{{description}}}
 */{{/description}}
-export type {{classname}} = {{#oneOf}}{{{.}}} {{^-last}}|{{/-last}} {{/oneOf}}{{#allOf}}{{{.}}} {{^-last}}&{{/-last}} {{/allOf}};
+export type {{classname}}{{#vendorExtensions.x-has-child-generic}}<T>{{/vendorExtensions.x-has-child-generic}} = {{#composedSchemas.oneOf}}{{{dataType}}}{{#vendorExtensions.x-has-child-generic}}<T>{{/vendorExtensions.x-has-child-generic}} {{^-last}}|{{/-last}} {{/composedSchemas.oneOf}}
+{{#composedSchemas.allOf}}{{{dataType}}}{{#vendorExtensions.x-has-child-generic}}<T>{{/vendorExtensions.x-has-child-generic}} {{^-last}}&{{/-last}} {{/composedSchemas.allOf}};
 {{/interfaces.size}}{{^interfaces.size}}
 {{#description}}
 /**
 * {{{description}}}
 */{{/description}}{{^isEnum}}
-export type {{classname}} = {{#parent}} {{{.}}} & {{/parent}} {
+export type {{classname}}{{#vendorExtensions.x-is-generic}}<T>{{/vendorExtensions.x-is-generic}}{{#vendorExtensions.x-has-child-generic}}<T>{{/vendorExtensions.x-has-child-generic}} = {{^vendorExtensions.x-is-generic}}{{#parent}}{{{.}}} & {{/parent}}{{/vendorExtensions.x-is-generic}}{{#vendorExtensions.x-is-generic}}T & {{/vendorExtensions.x-is-generic}} {
+{{#vendorExtensions}}
 {{#vars}}{{#description}}
     /**
     * {{{description}}}
     */{{/description}}
-    {{name}}{{^required}}?{{/required}}: {{#isEnum}}{{classname}}{{{nameInCamelCase}}}{{#isArray}}[]{{/isArray}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{#isNullable}} | null{{/isNullable}}{{/isEnum}};{{/vars}}
-} {{#vendorExtensions.x-is-SearchForHitsOptions}} & { facet?: never; maxFacetHits?: never; facetQuery?: never }; {{/vendorExtensions.x-is-SearchForHitsOptions}}
+    {{name}}{{^required}}?{{/required}}: {{#isEnum}}{{classname}}{{{nameInCamelCase}}}{{#isArray}}[]{{/isArray}}{{/isEnum}}
+    {{^isEnum}}{{#x-propagated-generic}}{{{complexType}}}<T>{{#isArray}}[]{{/isArray}}{{/x-propagated-generic}}
+    {{^x-propagated-generic}}
+      {{#x-has-child-generic}}{{{complexType}}}<T>{{#isArray}}[]{{/isArray}}{{/x-has-child-generic}}
+      {{^x-has-child-generic}}{{{dataType}}}{{/x-has-child-generic}}
+    {{/x-propagated-generic}}{{#isNullable}} | null{{/isNullable}}{{/isEnum}};{{/vars}}
+} {{#x-is-SearchForHitsOptions}} & { facet?: never; maxFacetHits?: never; facetQuery?: never }; {{/x-is-SearchForHitsOptions}}
+{{/vendorExtensions}}
 {{/isEnum}}
 {{#hasEnums}}{{#vars}}{{#isEnum}}export type {{classname}}{{nameInCamelCase}} = {{#allowableValues}}{{#enumVars}}{{{value}}}{{^-last}}|{{/-last}}{{/enumVars}}{{/allowableValues}}{{/isEnum}}{{/vars}}{{/hasEnums}}
 {{#isEnum}}export type {{classname}} = {{#allowableValues}}{{#enumVars}}{{{value}}}{{^-last}}|{{/-last}}{{/enumVars}}{{/allowableValues}}{{/isEnum}}