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70 lines
3 KiB
Python
70 lines
3 KiB
Python
import royalnet.utils as ru
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import royalnet.constellation.api as rca
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import royalnet.constellation.api.apierrors as rcae
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# View autogenerated docs for all ApiStars at the HTTP path `/docs`
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class EchoStar(rca.ApiStar):
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# What does this ApiStar do?
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summary = "Returns the same string entered as input."
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# Optional: A longer description of what the ApiStar should do.
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description = """
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NOTE: This method can only be used by Royalnet Admins.
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"""
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# The HTTP methods that can be used with this ApiStar.
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methods = ["GET", "POST"]
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# You can disambiguate between methods using the `data.method` variable.
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# The HTTP path this ApiStar should bind to.
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path = "/api/example/echo/v1"
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# Does this method require any auth?
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# Only for documentation purposes, it doesn't do any check on it's own.
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requires_auth = True
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# To authenticate an user through their token, use the `await data.user()` method.
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# If the user isn't logged in, the method authomatically returns 403 Forbidden, unless `rcae.ForbiddenError`
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# is caught.
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# A dict of paramenters accepted by this method, with a description of their purpose.
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parameters = {
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"echo": "What should the method return? "
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"(Optional: if nothing is passed, the ApiStar will return the username of the caller.)",
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"error": "Should the method return a sample error?"
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}
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# You can access parameters by using `data` as a dict with the parameter name as key.
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# If a missing parameter is accessed, a `rcae.MissingParameterError` will be raised, which will lead to a
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# 400 Bad Request error if not caught.
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# The autodoc categories this ApiStar should fall in.
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tags = ["example"]
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# The actual method called when the ApiStar received a HTTP request.
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# It must return a JSON-compatible object, such as a str, a int, a float, a list, a dict or None.
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async def api(self, data: rca.ApiData) -> ru.JSON:
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# If "true" is passed as the "error" parameter in the query string...
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if data["error"] == "true":
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# ...return an example error
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raise Exception("Example error! Everything works as intended.")
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# If the "error" parameter is missing, the ApiStar will respond with 400 Bad Request
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# Ensure the user is logged in
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user = await data.user()
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# Check if the user has the role "admin"
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if "admin" not in user.roles:
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raise Exception("Only admins can call this method!")
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# Get the value of the "echo" parameter, without raising an exception if it doesn't exist
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echo = data.get("echo")
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if echo is None:
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# Find the username of the logged in user
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# user is a SQLAlchemy ORM object generated from the Users table defined in `royalnet.backpack.tables.users`
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echo = user.username
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# Return a 200 OK successful response containing the value of the echo variable and the HTTP method used
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return {"echo": echo, "method_used": data.method}
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