ce8f4e53fa
* Make any URLs build from env vars tolerant of path prefix, trailing/leading slashes * Add comment * Lint
73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
from urllib.parse import urljoin
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import requests
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from django.conf import settings
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from icalendar import Calendar
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from rest_framework import serializers
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class CurrentOrganizationDefault:
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"""
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Utility class to get the current organization right from the serializer field.
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In pair with serializers.HiddenField gives an ability to create objects
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without overriding perform_create on the model, while respecting unique_together constraints.
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Example: organization = serializers.HiddenField(default=CurrentOrganizationDefault())
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"""
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def set_context(self, serializer_field):
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self.organization = serializer_field.context["request"].auth.organization
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def __call__(self):
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return self.organization
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def __repr__(self):
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return "%s()" % self.__class__.__name__
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class CurrentTeamDefault:
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"""
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Utility class to get the current team right from the serializer field.
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"""
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def set_context(self, serializer_field):
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self.team = serializer_field.context["request"].user.current_team
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def __call__(self):
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return self.team
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def __repr__(self):
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return "%s()" % self.__class__.__name__
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def validate_ical_url(url):
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if url:
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if settings.BASE_URL in url:
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raise serializers.ValidationError("Potential self-reference")
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try:
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ical_file = requests.get(url).text
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Calendar.from_ical(ical_file)
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except requests.exceptions.RequestException:
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raise serializers.ValidationError("Ical download failed")
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except ValueError:
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raise serializers.ValidationError("Ical parse failed")
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return url
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return None
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"""
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This utility function is for building a URL when we don't know if the base URL
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has been given a trailing / such as reading from environment variable or user
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input. If the base URL is coming from a validated model field urljoin can be used
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instead. Do not use this function to append query parameters since a / is added
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to the end of the base URL if there isn't one.
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"""
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def create_engine_url(path, override_base=None):
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base = settings.BASE_URL
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if override_base:
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base = override_base
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if not base.endswith("/"):
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base += "/"
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trimmed_path = path.lstrip("/")
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return urljoin(base, trimmed_path)
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