Firebase Integration

class CloudFirestoreHook(GoogleBaseHook):
    """
    Hook for Google Cloud Firestore NoSQL document database.
    
    Provides methods for database operations including document management,
    collection queries, and database export functionality.
    """
    def __init__(
        self,
        gcp_conn_id: str = "google_cloud_default",
        **kwargs
    ): ...
    
    def get_conn(self): ...
    def export_documents(
        self,
        body: Dict[str, Any],
        database: str = "(default)",
        project_id: Optional[str] = None
    ): ...
    def import_documents(
        self,
        body: Dict[str, Any],
        database: str = "(default)",
        project_id: Optional[str] = None
    ): ...
    def list_collection_ids(
        self,
        parent: str,
        database: str = "(default)",
        project_id: Optional[str] = None
    ): ...
    def list_documents(
        self,
        parent: str,
        collection_id: str,
        page_size: Optional[int] = None,
        order_by: Optional[str] = None,
        database: str = "(default)",
        project_id: Optional[str] = None
    ): ...
    def run_query(
        self,
        body: Dict[str, Any],
        database: str = "(default)",
        project_id: Optional[str] = None
    ): ...

class CloudFirestoreExportDatabaseOperator(BaseOperator):
    """
    Exports Cloud Firestore database to Google Cloud Storage.
    
    Args:
        project_id (str): Google Cloud project ID
        database_id (str): Firestore database ID (default: "(default)")
        body (Dict[str, Any]): Export request body configuration
        gcp_conn_id (str): Connection ID for Google Cloud Platform
        
    Returns:
        Operation result with export details and GCS output location
    """
    def __init__(
        self,
        project_id: Optional[str] = None,
        database_id: str = "(default)",
        body: Dict[str, Any] = None,
        gcp_conn_id: str = "google_cloud_default",
        **kwargs
    ): ...

from airflow import DAG
from airflow.providers.google.firebase.operators.firestore import CloudFirestoreExportDatabaseOperator
from datetime import datetime

dag = DAG(
    'firestore_backup',
    default_args={'start_date': datetime(2023, 1, 1)},
    schedule_interval='@daily',
    catchup=False
)

# Export Firestore database to GCS
export_firestore = CloudFirestoreExportDatabaseOperator(
    task_id='export_firestore',
    project_id='my-firebase-project',
    database_id='(default)',
    body={
        'outputUriPrefix': 'gs://firestore-backups/{{ ds }}/',
        'collectionIds': ['users', 'orders', 'products']  # Optional: specific collections
    },
    gcp_conn_id='google_cloud_default',
    dag=dag
)

from airflow import DAG
from airflow.providers.google.firebase.operators.firestore import CloudFirestoreExportDatabaseOperator
from airflow.providers.google.cloud.operators.gcs import GCSCreateBucketOperator
from airflow.providers.google.cloud.sensors.gcs import GCSObjectExistenceSensor
from datetime import datetime

dag = DAG(
    'firestore_backup_pipeline',
    default_args={'start_date': datetime(2023, 1, 1)},
    schedule_interval='@weekly',
    catchup=False
)

# Ensure backup bucket exists
create_backup_bucket = GCSCreateBucketOperator(
    task_id='create_backup_bucket',
    bucket_name='firestore-backups-{{ ds_nodash }}',
    project_id='my-firebase-project',
    location='US',
    dag=dag
)

# Export Firestore database
export_database = CloudFirestoreExportDatabaseOperator(
    task_id='export_database',
    project_id='my-firebase-project',
    body={
        'outputUriPrefix': 'gs://firestore-backups-{{ ds_nodash }}/full-backup/',
    },
    dag=dag
)

# Verify export completion
verify_export = GCSObjectExistenceSensor(
    task_id='verify_export',
    bucket='firestore-backups-{{ ds_nodash }}',
    object='full-backup/',
    timeout=1800,  # 30 minutes
    poke_interval=60,
    dag=dag
)

create_backup_bucket >> export_database >> verify_export

from typing import Dict, List, Optional, Any
from airflow.models import BaseOperator

# Firestore types
DatabaseId = str
CollectionId = str
DocumentId = str
FirestoreQuery = Dict[str, Any]
ExportRequest = Dict[str, Any]
ImportRequest = Dict[str, Any]
OperationResult = Dict[str, Any]