api with oauth2 provider

api.saladeaula.digital/app/api_gateway.py

@@ -0,0 +1,20 @@
+from typing import Generic, Mapping
+
+from aws_lambda_powertools.event_handler import content_types
+from aws_lambda_powertools.event_handler.api_gateway import Response, ResponseT
+
+
+class JSONResponse(Response, Generic[ResponseT]):
+    def __init__(
+        self,
+        status_code: int,
+        body: ResponseT | None = None,
+        headers: Mapping[str, str | list[str]] | None = None,
+    ):
+        super().__init__(
+            status_code,
+            content_types.APPLICATION_JSON,
+            body,
+            headers,
+            compress=True,
+        )

api.saladeaula.digital/app/app.py

@@ -0,0 +1,84 @@
+import json
+import os
+from datetime import date
+from functools import partial
+from typing import Any
+
+from aws_lambda_powertools import Logger, Tracer
+from aws_lambda_powertools.event_handler.api_gateway import (
+    APIGatewayHttpResolver,
+    CORSConfig,
+)
+from aws_lambda_powertools.event_handler.exceptions import NotFoundError, ServiceError
+from aws_lambda_powertools.logging import correlation_paths
+from aws_lambda_powertools.shared.json_encoder import Encoder
+from aws_lambda_powertools.utilities.typing import LambdaContext
+from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair
+
+from api_gateway import JSONResponse
+from boto3clients import dynamodb_client
+from config import COURSE_TABLE
+
+dyn = DynamoDBPersistenceLayer(COURSE_TABLE, dynamodb_client)
+
+
+class JSONEncoder(Encoder):
+    def default(self, obj):
+        if isinstance(obj, date):
+            return obj.isoformat()
+
+        return super().default(obj)
+
+
+tracer = Tracer()
+logger = Logger(__name__)
+cors = CORSConfig(
+    allow_origin='*',
+    allow_headers=['Content-Type', 'X-Requested-With', 'Authorization', 'X-Tenant'],
+    max_age=600,
+    allow_credentials=False,
+)
+app = APIGatewayHttpResolver(
+    enable_validation=True,
+    cors=cors,
+    debug='AWS_SAM_LOCAL' in os.environ,
+    serializer=partial(json.dumps, separators=(',', ':'), cls=JSONEncoder),
+)
+
+
+@app.get('/users/<user_id>')
+@tracer.capture_method
+def get_user(user_id: str):
+    return {'id': user_id}
+
+
+@app.get('/users/<user_id>/emails')
+@tracer.capture_method
+def get_emails(user_id: str):
+    return [{'email': 'sergio@somosbeta.com.br'}]
+
+
+@app.get('/courses/<course_id>')
+@tracer.capture_method
+def get_course(course_id: str):
+    return dyn.collection.get_item(
+        KeyPair(course_id, '0'),
+        exc_cls=NotFoundError,
+    )
+
+
+@app.exception_handler(ServiceError)
+def exc_error(exc: ServiceError):
+    return JSONResponse(
+        body={
+            'type': type(exc).__name__,
+            'message': str(exc),
+        },
+        status_code=exc.status_code,
+    )
+
+
+@logger.inject_lambda_context(correlation_id_path=correlation_paths.API_GATEWAY_HTTP)
+@tracer.capture_lambda_handler
+def lambda_handler(event: dict[str, Any], context: LambdaContext) -> dict[str, Any]:
+    return app.resolve(event, context)

api.saladeaula.digital/app/boto3clients.py

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+import os
+from typing import TYPE_CHECKING
+
+import boto3
+
+if TYPE_CHECKING:
+    from mypy_boto3_dynamodb.client import DynamoDBClient
+else:
+    DynamoDBClient = object
+
+AWS_SAM_LOCAL = os.getenv('AWS_SAM_LOCAL')
+
+
+def get_dynamodb_client() -> DynamoDBClient:
+    if not AWS_SAM_LOCAL:
+        return boto3.client('dynamodb')
+
+    host = 'host.docker.internal' if AWS_SAM_LOCAL else '127.0.0.1'
+    return boto3.client('dynamodb', endpoint_url=f'http://{host}:8000')
+
+
+dynamodb_client: DynamoDBClient = get_dynamodb_client()

api.saladeaula.digital/app/config.py

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+import os
+
+COURSE_TABLE: str = os.getenv('COURSE_TABLE')  # type: ignore