def on_get(self, req, resp):
"""This method handles all get requests to our API."""
# The requester has to be able to accept json
if req.client_accepts_json:
# We check if the user used a command or not
if req.content_length in (0, None):
# Everything went ok
resp.status = falcon.HTTP_200
# We return the string representation of the keyboard
resp.body = json.dumps({"keyboard": str(self.keyboard)})
else:
# We check if the user want/tries to use a command
try:
# Store the request body
req_body = req.stream.read().decode("utf-8")
# We try to parse the request as json
post_params = json.loads(req_body)
# We check that the arguments exist and are valid
if post_params["command"]:
# We check what command was used
for command in self.get_commands:
# We check if the current request matches the command
if post_params["command"] == command["command"]:
# We call the command method with the request object, response object, and the parsed request dictionary
command["method"](req, resp, post_params)
# No more than one command shall be executed per request
break
else:
# If no command was found we return bad request
resp.status = falcon.HTTP_400
resp.body = json.dumps({"message": "Invalid command"})
else:
# Invalid arguments
resp.status = falcon.HTTP_400
resp.body = json.dumps({"message": "Invalid arguments"})
# We're done now
return
except json.JSONDecodeError:
resp.status = falcon.HTTP_400
resp.body = json.dumps({"message": "Invalid JSON"})
else:
# Fuck you user
resp.status = falcon.HTTP_417
resp.body = json.dumps({"message": "Client doesn't accept JSON"})
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