refactor!: use snake case for generated cloudevent files

This is consistent with other filenames in the project.

experimental/generate_cloud_events/README.md

@@ -8,4 +8,4 @@ It can be run via the following command:
 npm run generate_cloudevents
 ```
 
-This will regenerate all known CloudEvent type interfaces in the `src/cloudevent_types` directory of this repository.
+This will regenerate all known CloudEvent type interfaces in the `src/cloud_event_types` directory of this repository.

experimental/generate_cloud_events/package.json

@@ -5,7 +5,7 @@
   "main": "build/src/index.js",
   "dependencies": {},
   "scripts": {
-    "generate_cloudevents": "ts-node ./src/generate.ts && gts fix ../../src/cloudevent_types/**/*.ts"
+    "generate_cloudevents": "ts-node ./src/generate.ts && gts fix ../../src/cloud_event_types/**/*.ts"
   },
   "files": [
     "build/src/**/*.js",

experimental/generate_cloud_events/src/generate.ts

@@ -116,8 +116,13 @@ const generateInterfaceBody = (properties: {
  */
 const generateCloudEventImport = (): t.Statement => {
   return t.importDeclaration(
-    [t.importSpecifier(t.identifier('CloudEvent'), t.identifier('CloudEvent'))],
-    t.stringLiteral('./CloudEvent')
+    [
+      t.importSpecifier(
+        t.identifier('CloudEventsContext'),
+        t.identifier('CloudEventsContext')
+      ),
+    ],
+    t.stringLiteral('./cloud_events_context')
   );
 };
 
@@ -156,7 +161,7 @@ const generateCloudEventInterface = (schema: TypeSchema): t.Statement => {
     t.tsInterfaceDeclaration(
       t.identifier(schema.name.replace(/Data$/, 'CloudEvent')),
       null,
-      [t.tsExpressionWithTypeArguments(t.identifier('CloudEvent'))],
+      [t.tsExpressionWithTypeArguments(t.identifier('CloudEventsContext'))],
       t.tsInterfaceBody([
         t.tsPropertySignature(
           t.identifier('type'),
@@ -248,6 +253,6 @@ utils.fetch(ROOT_TYPE_CATALOG_URL).then(catalog => {
     utils.addCopyright(ast);
 
     const {code} = generate(ast);
-    fs.writeFileSync(utils.RELATIVE_SRC_DIR + '/GoogleCloudEvent.ts', code);
+    fs.writeFileSync(utils.RELATIVE_SRC_DIR + '/google_cloud_event.ts', code);
   });
 });

experimental/generate_cloud_events/src/utils.ts

@@ -19,7 +19,7 @@ import * as https from 'https';
 /**
  * Relative path of src dictory to write the TS files ts.
  */
-export const RELATIVE_SRC_DIR = '../../src/cloudevent_types';
+export const RELATIVE_SRC_DIR = '../../src/cloud_event_types';
 
 /**
  * Add a JSDoc comment to an AST node
@@ -72,7 +72,11 @@ export const fetch = (url: string): Promise<{[key: string]: any}> => {
 export const getDataFilePath = (url: string): string => {
   return (
     RELATIVE_SRC_DIR +
-    url.split('jsonschema/google/events')[1].replace('.json', '.ts')
+    url
+      .split('jsonschema/google/events')[1]
+      .replace('.json', '.ts')
+      .replace(/[A-Z]/g, letter => `_${letter.toLowerCase()}`)
+      .replace('/_', '/')
   );
 };
 

src/cloud_event_types/cloud_events_context.ts

@@ -0,0 +1,63 @@
+// Copyright 2021 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/**
+ * The CloudEvents v1.0 context attributes.
+ * {@link https://github.com/cloudevents/spec/blob/v1.0.1/spec.md#context-attributes}
+ * @public
+ */
+export interface CloudEventsContext {
+  /**
+   * ID of the event.
+   */
+  id: string;
+  /**
+   * The event producer.
+   */
+  source: string;
+  /**
+   * The version of the CloudEvents specification which the event uses.
+   */
+  specversion: string;
+  /**
+   * Type of occurrence which has happened.
+   */
+  type: string;
+  /**
+   * Timestamp of when the event happened.
+   */
+  time?: string;
+  /**
+   * Describes the subject of the event in the context of the event producer.
+   */
+  subject?: string;
+  /**
+   * A link to the schema that the event data adheres to.
+   */
+  dataschema?: string;
+  /**
+   * Content type of the event data.
+   */
+  datacontenttype?: string;
+  /**
+   * The traceparent string, containing a trace version, trace ID, span ID, and trace options.
+   * @see https://github.com/cloudevents/spec/blob/master/extensions/distributed-tracing.md
+   */
+  traceparent?: string;
+  /**
+   * The event payload.
+   */
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  data?: any;
+}

src/cloud_event_types/GoogleCloudEvent.ts → src/cloud_event_types/google_cloud_event.ts

@@ -13,25 +13,25 @@
 // limitations under the License.
 
 /* eslint-disable @typescript-eslint/no-explicit-any*/
-import {LogEntryData} from './cloud/audit/v1/LogEntryData';
-import {BuildEventData} from './cloud/cloudbuild/v1/BuildEventData';
-import {DocumentEventData} from './cloud/firestore/v1/DocumentEventData';
-import {MessagePublishedData} from './cloud/pubsub/v1/MessagePublishedData';
-import {SchedulerJobData} from './cloud/scheduler/v1/SchedulerJobData';
-import {StorageObjectData} from './cloud/storage/v1/StorageObjectData';
-import {AnalyticsLogData} from './firebase/analytics/v1/AnalyticsLogData';
-import {AuthEventData} from './firebase/auth/v1/AuthEventData';
-import {ReferenceEventData} from './firebase/database/v1/ReferenceEventData';
-import {RemoteConfigEventData} from './firebase/remoteconfig/v1/RemoteConfigEventData';
-import {TestMatrixEventData} from './firebase/testlab/v1/TestMatrixEventData';
-import {CloudEvent} from './CloudEvent';
+import {LogEntryData} from './cloud/audit/v1/log_entry_data';
+import {BuildEventData} from './cloud/cloudbuild/v1/build_event_data';
+import {DocumentEventData} from './cloud/firestore/v1/document_event_data';
+import {MessagePublishedData} from './cloud/pubsub/v1/message_published_data';
+import {SchedulerJobData} from './cloud/scheduler/v1/scheduler_job_data';
+import {StorageObjectData} from './cloud/storage/v1/storage_object_data';
+import {AnalyticsLogData} from './firebase/analytics/v1/analytics_log_data';
+import {AuthEventData} from './firebase/auth/v1/auth_event_data';
+import {ReferenceEventData} from './firebase/database/v1/reference_event_data';
+import {RemoteConfigEventData} from './firebase/remoteconfig/v1/remote_config_event_data';
+import {TestMatrixEventData} from './firebase/testlab/v1/test_matrix_event_data';
+import {CloudEventsContext} from './cloud_events_context';
 
 /**
  * The schema of CloudEvents emmitted by Cloud Audit Logs.
  *
  * @public
  */
-export interface LogEntryCloudEvent extends CloudEvent {
+export interface LogEntryCloudEvent extends CloudEventsContext {
   type: 'google.cloud.audit.log.v1.written';
   data: LogEntryData;
 }
@@ -41,7 +41,7 @@ export interface LogEntryCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface BuildEventCloudEvent extends CloudEvent {
+export interface BuildEventCloudEvent extends CloudEventsContext {
   type: 'google.cloud.cloudbuild.build.v1.statusChanged';
   data: BuildEventData;
 }
@@ -51,7 +51,7 @@ export interface BuildEventCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface DocumentEventCloudEvent extends CloudEvent {
+export interface DocumentEventCloudEvent extends CloudEventsContext {
   type:
     | 'google.cloud.firestore.document.v1.created'
     | 'google.cloud.firestore.document.v1.updated'
@@ -65,7 +65,7 @@ export interface DocumentEventCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface MessagePublishedCloudEvent extends CloudEvent {
+export interface MessagePublishedCloudEvent extends CloudEventsContext {
   type: 'google.cloud.pubsub.topic.v1.messagePublished';
   data: MessagePublishedData;
 }
@@ -75,7 +75,7 @@ export interface MessagePublishedCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface SchedulerJobCloudEvent extends CloudEvent {
+export interface SchedulerJobCloudEvent extends CloudEventsContext {
   type: 'google.cloud.scheduler.job.v1.executed';
   data: SchedulerJobData;
 }
@@ -85,7 +85,7 @@ export interface SchedulerJobCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface StorageObjectCloudEvent extends CloudEvent {
+export interface StorageObjectCloudEvent extends CloudEventsContext {
   type:
     | 'google.cloud.storage.object.v1.finalized'
     | 'google.cloud.storage.object.v1.archived'
@@ -99,7 +99,7 @@ export interface StorageObjectCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface AnalyticsLogCloudEvent extends CloudEvent {
+export interface AnalyticsLogCloudEvent extends CloudEventsContext {
   type: 'google.firebase.analytics.log.v1.written';
   data: AnalyticsLogData;
 }
@@ -109,7 +109,7 @@ export interface AnalyticsLogCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface AuthEventCloudEvent extends CloudEvent {
+export interface AuthEventCloudEvent extends CloudEventsContext {
   type:
     | 'google.firebase.auth.user.v1.created'
     | 'google.firebase.auth.user.v1.deleted';
@@ -121,7 +121,7 @@ export interface AuthEventCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface ReferenceEventCloudEvent extends CloudEvent {
+export interface ReferenceEventCloudEvent extends CloudEventsContext {
   type:
     | 'google.firebase.database.ref.v1.created'
     | 'google.firebase.database.ref.v1.updated'
@@ -135,7 +135,7 @@ export interface ReferenceEventCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface RemoteConfigEventCloudEvent extends CloudEvent {
+export interface RemoteConfigEventCloudEvent extends CloudEventsContext {
   type: 'google.firebase.remoteconfig.remoteConfig.v1.updated';
   data: RemoteConfigEventData;
 }
@@ -145,7 +145,7 @@ export interface RemoteConfigEventCloudEvent extends CloudEvent {
  *
  * @public
  */
-export interface TestMatrixEventCloudEvent extends CloudEvent {
+export interface TestMatrixEventCloudEvent extends CloudEventsContext {
   type: 'google.firebase.testlab.testMatrix.v1.completed';
   data: TestMatrixEventData;
 }

src/cloud_events.ts

@@ -59,7 +59,7 @@ export function isBinaryCloudEvent(req: express.Request): boolean {
 export function getBinaryCloudEventContext(
   req: express.Request
 ): CloudEventsContext {
-  const context: CloudEventsContext = {};
+  const context = {} as CloudEventsContext;
   for (const name in req.headers) {
     if (name.startsWith('ce-')) {
       const attributeName = name.substr(