Source code for intranet.apps.eighth.exceptions

from collections import namedtuple

from rest_framework.status import HTTP_403_FORBIDDEN

from django.http import HttpResponse

m = namedtuple("Message", ["regular", "admin"])


[docs]class SignupException(Exception): _messages = { "SignupForbidden": m( "You may not sign this student up for activities.", "You may not sign this student up for activities. This should not be happening - contact an Intranet administrator.", ), "ScheduledActivityCancelled": m("This activity has been cancelled for this block.", "This activity has been cancelled for this block."), "ActivityDeleted": m( "This activity has been deleted. Refresh this page to see an up-to-date list of activities.", "This activity has been deleted." ), "ActivityFull": m("This activity is full. You may not sign up for it at this time.", "This activity is full."), "BlockLocked": m("This block has been locked. Signup is not allowed at this time.", "This block has been locked."), "Presign": m("You may not sign up for this activity until {0}", "This activity can't be signed up for until {0}."), "Sticky": m( "You may not switch out of a sticky activity.", "<strong style='font-size: 32px'><u>This student is already in a sticky activity.</u></strong>", ), "OneADay": m( "You may only sign up for this activity once per day. To sign up for the activity during this block, " "change your signup on the other block where you selected this activity.", "This is a one-a-day activity.", ), "Restricted": m( "You may not sign up for this restricted activity. You are not on the authorized list.", "This activity is restricted for this student." ), "Blacklisted": m("You are blacklisted from this activity.", "This student is blacklisted from this activity."), "OverrideBlockLocked": m( "An override block ({0}) has been locked. Signup is not allowed at this time.", "An override block ({1}) has been locked." ), "OverrideBlockPermissions": m( "Your signup ({0}) on an override block ({1}) cannot be changed out of. You will be unable to sign up for any activities on this block.", "Your signup ({0}) on an override block ({1}) cannot be changed out of.", ), "PrimaryEmailNotSet": m( "Please set a primary email in your preferences before joining the waitlist", "This user does not have a primary email set and cannot be added to a waitlist", ), } def __init__(self): super().__init__() self.errors = set() self.desc_errors = {} def __repr__(self): return "SignupException(%s)" % ", ".join(sorted(self.errors)) def __str__(self): return ", ".join(sorted(self.errors)) def __setattr__(self, name, value): if name in SignupException._messages: if isinstance(value, list): self.errors.add(name) self.desc_errors[name] = value elif value: self.errors.add(name) elif name in self.errors: self.errors.remove(name) super().__setattr__(name, value)
[docs] def messages(self, admin=False): if admin: a = "admin" else: a = "regular" msgs = [] for e in sorted(self.errors): exc = SignupException._messages[e] if e in self.desc_errors: msgs.append(getattr(exc, a).format(*self.desc_errors[e])) else: msgs.append(getattr(exc, a)) return msgs
[docs] def as_response(self, html=True, admin=False): if len(self.errors) <= 1: html = False if html: response = "<ul>" for message in self.messages(admin=admin): response += "<li>" + message + "</li>" response += "</ul>" content_type = "text/html" else: response = "\n".join(self.messages(admin=admin)) content_type = "text/plain" return HttpResponse(response, content_type=content_type, status=HTTP_403_FORBIDDEN)