def update(event, context):
"""Update item in the collection."""
try:
# Determine if required env var for region is present.
val.check_region()
# Determine if required env var for DynamoDB table is present.
val.check_dynamodb()
# Check for the url {id}.
note_id = val.check_id(event)
# Determine if required property body is present.
val.check_body(event)
# Attempt to parse JSON.
data = val.check_json(event)
# Determine if required properties are present.
val.check_props(data)
# Set up resource and environment. This is where we keep
# *aaS provider resources away from biz logic.
region = os.environ["AWS_DEFAULT_REGION"]
table = os.environ["DYNAMODB_TABLE"]
# Determine which DynamoDB host we need (local/remote)?
host = val.check_dynamodb_host()
conn = boto3.resource("dynamodb", region, endpoint_url=host)
conn_table = conn.Table(table)
# Build our model and update.
note = NoteModel(conn_table)
item = note.update(note_id, data)
logger.info("Note updated: {}".format(item))
return respond(200, item)
except ex.AwsRegionNotSetException as exc:
return respond(500, {"error": str(exc)})
except ex.DynamoDbTableNotSetException as exc:
return respond(500, {"error": str(exc)})
except ex.RequestUrlIdNotSetException as exc:
return respond(400, {"error": str(exc)})
except ex.RequestBodyNotSetException as exc:
return respond(400, {"error": str(exc)})
except ex.RequestBodyNotJsonException as exc:
return respond(400, {"error": str(exc)})
except ex.RequiredPropertiesNotSetException as exc:
return respond(400, {"error": str(exc)})
except Exception as exc:
return respond(500, {"error": str(exc)})
def test_raises_exception_when_env_var_dynamodb_not_found(monkeypatch, config):
with pytest.raises(ex.DynamoDbTableNotSetException) as exc:
monkeypatch.delenv("DYNAMODB_TABLE", raising=False)
monkeypatch.setenv("AWS_DEFAULT_REGION", config["aws"]["region"])
val.check_dynamodb()
assert "'DYNAMODB_TABLE'" in str(exc.value)
def search_by_notebook(event, context):
"""Return the collection of items based on query."""
try:
# Determine if required env var for region is present.
val.check_region()
# Determine if required env var for DynamoDB table is present.
val.check_dynamodb()
# Check for the url {id}.
notebook = val.check_id(event)
# Set up resource and environment. This is where we keep
# *aaS provider resources away from biz logic.
region = os.environ["AWS_DEFAULT_REGION"]
table = os.environ["DYNAMODB_TABLE"]
# Determine which DynamoDB host we need (local/remote)?
host = val.check_dynamodb_host()
conn = boto3.resource("dynamodb", region, endpoint_url=host)
conn_table = conn.Table(table)
# Build our model and read.
note = NoteModel(conn_table)
items = note.search_by_notebook(notebook)
logger.info("Notes for notebook found: {} [{}]".format(
notebook, len(items)))
return respond(200, items)
except ex.AwsRegionNotSetException as exc:
return respond(500, {"error": str(exc)})
except ex.DynamoDbTableNotSetException as exc:
return respond(500, {"error": str(exc)})
except ex.RequestUrlIdNotSetException as exc:
return respond(400, {"error": str(exc)})
except Exception as exc:
return respond(500, {"error": str(exc)})