feat: add support for alerts

docs/generate.sh

@@ -84,6 +84,11 @@ fi
 TITLE="Firebase Python SDK for Cloud Functions"
 PY_MODULES='firebase_functions
             firebase_functions.core
+            firebase_functions.alerts_fn
+            firebase_functions.alerts.app_distribution_fn
+            firebase_functions.alerts.billing_fn
+            firebase_functions.alerts.crashlytics_fn
+            firebase_functions.alerts.performance_fn
             firebase_functions.db_fn
             firebase_functions.eventarc_fn
             firebase_functions.https_fn

samples/basic_alerts/.firebaserc

@@ -0,0 +1,5 @@
+{
+  "projects": {
+    "default": "python-functions-testing"
+  }
+}

samples/basic_alerts/.gitignore

@@ -0,0 +1,66 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+firebase-debug.log*
+firebase-debug.*.log*
+
+# Firebase cache
+.firebase/
+
+# Firebase config
+
+# Uncomment this if you'd like others to create their own Firebase project.
+# For a team working on the same Firebase project(s), it is recommended to leave
+# it commented so all members can deploy to the same project(s) in .firebaserc.
+# .firebaserc
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env

samples/basic_alerts/__init__.py

@@ -0,0 +1,3 @@
+# Required to avoid a 'duplicate modules' mypy error
+# in monorepos that have multiple main.py files.
+# https://github.com/python/mypy/issues/4008

samples/basic_alerts/firebase.json

@@ -0,0 +1,11 @@
+{
+  "functions": [
+    {
+      "source": "functions",
+      "codebase": "default",
+      "ignore": [
+        "venv"
+      ]
+    }
+  ]
+}

samples/basic_alerts/functions/.gitignore

@@ -0,0 +1,13 @@
+# pyenv
+.python-version
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Environments
+.env
+.venv
+venv/
+venv.bak/
+__pycache__

samples/basic_alerts/functions/main.py

@@ -0,0 +1,81 @@
+"""Cloud function samples for Firebase Alerts."""
+
+from firebase_functions import alerts_fn
+from firebase_functions.alerts import app_distribution_fn
+from firebase_functions.alerts import billing_fn
+from firebase_functions.alerts import crashlytics_fn
+from firebase_functions.alerts import performance_fn
+
+
+@alerts_fn.on_alert_published(alert_type=alerts_fn.AlertType.BILLING_PLAN_UPDATE
+                             )
+def onalertpublished(
+    alert: alerts_fn.AlertEvent[alerts_fn.FirebaseAlertData[
+        billing_fn.PlanUpdatePayload]]
+) -> None:
+    print(alert)
+
+
+@app_distribution_fn.on_in_app_feedback_published()
+def appdistributioninappfeedback(
+        alert: app_distribution_fn.InAppFeedbackEvent) -> None:
+    print(alert)
+
+
+@app_distribution_fn.on_new_tester_ios_device_published()
+def appdistributionnewrelease(
+        alert: app_distribution_fn.NewTesterDeviceEvent) -> None:
+    print(alert)
+
+
+@billing_fn.on_plan_automated_update_published()
+def billingautomatedplanupdate(
+        alert: billing_fn.BillingPlanAutomatedUpdateEvent) -> None:
+    print(alert)
+
+
+@billing_fn.on_plan_update_published()
+def billingplanupdate(alert: billing_fn.BillingPlanUpdateEvent) -> None:
+    print(alert)
+
+
+@crashlytics_fn.on_new_fatal_issue_published()
+def crashlyticsnewfatalissue(
+        alert: crashlytics_fn.CrashlyticsNewFatalIssueEvent) -> None:
+    print(alert)
+
+
+@crashlytics_fn.on_new_nonfatal_issue_published()
+def crashlyticsnewnonfatalissue(
+        alert: crashlytics_fn.CrashlyticsNewNonfatalIssueEvent) -> None:
+    print(alert)
+
+
+@crashlytics_fn.on_new_anr_issue_published()
+def crashlyticsnewanrissue(
+        alert: crashlytics_fn.CrashlyticsNewAnrIssueEvent) -> None:
+    print(alert)
+
+
+@crashlytics_fn.on_regression_alert_published()
+def crashlyticsregression(
+        alert: crashlytics_fn.CrashlyticsRegressionAlertEvent) -> None:
+    print(alert)
+
+
+@crashlytics_fn.on_stability_digest_published()
+def crashlyticsstabilitydigest(
+        alert: crashlytics_fn.CrashlyticsStabilityDigestEvent) -> None:
+    print(alert)
+
+
+@crashlytics_fn.on_velocity_alert_published()
+def crashlyticsvelocity(
+        alert: crashlytics_fn.CrashlyticsVelocityAlertEvent) -> None:
+    print(alert)
+
+
+@performance_fn.on_threshold_alert_published()
+def performancethreshold(
+        alert: performance_fn.PerformanceThresholdAlertEvent) -> None:
+    print(alert)

samples/basic_alerts/functions/requirements.txt

@@ -0,0 +1,8 @@
+# Not published yet,
+# firebase-functions-python >= 0.0.1
+# so we use a relative path during development:
+./../../../
+# Or switch to git ref for deployment testing:
+# git+https://github.com/firebase/firebase-functions-python.git@main#egg=firebase-functions
+
+firebase-admin >= 6.0.1

src/firebase_functions/alerts/__init__.py

@@ -0,0 +1,46 @@
+# Copyright 2022 Google Inc.
+#
+# 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.
+"""
+Cloud functions to handle events from Firebase Alerts.
+Subpackages give stronger typing to specific services which
+notify users via Firebase Alerts.
+"""
+
+import dataclasses as _dataclasses
+import datetime as _dt
+import typing as _typing
+
+from firebase_functions.core import T
+
+
+@_dataclasses.dataclass(frozen=True)
+class FirebaseAlertData(_typing.Generic[T]):
+    """
+    The CloudEvent data emitted by Firebase Alerts.
+    """
+
+    create_time: _dt.datetime
+    """
+    The time the alert was created.
+    """
+
+    end_time: _dt.datetime | None
+    """
+    The time the alert ended. This is only set for alerts that have ended.
+    """
+
+    payload: T
+    """
+    Payload of the event, which includes the details of the specific alert.
+    """