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Provide simple EVE model creation forms with ID, populate the rest from providers Correct handling of non-main characters in signals
120 lines
5.1 KiB
Python
120 lines
5.1 KiB
Python
from __future__ import unicode_literals
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from django.db.models.signals import post_save, pre_delete, m2m_changed
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from django.db.models import Q
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from django.dispatch import receiver
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from django.contrib.auth.models import User
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from authentication.models import CharacterOwnership, UserProfile, get_guest_state, State
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from services.tasks import validate_services
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from esi.models import Token
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from eveonline.managers import EveManager
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from eveonline.models import EveCharacter
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import logging
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logger = logging.getLogger(__name__)
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def trigger_state_check(state):
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# evaluate all current members to ensure they still have access
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for profile in state.userprofile_set.all():
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profile.assign_state()
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# we may now be available to others with lower states
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check_states = State.objects.filter(priority__lt=state.priority)
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for profile in UserProfile.objects.filter(state__in=check_states):
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if state.available_to_user(profile.user):
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profile.state = state
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profile.save(update_fields=['state'])
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@receiver(m2m_changed, sender=State.member_characters.through)
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def state_member_characters_changed(sender, instance, action, *args, **kwargs):
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if action.startswith('post_'):
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trigger_state_check(instance)
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@receiver(m2m_changed, sender=State.member_corporations.through)
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def state_member_corporations_changed(sender, instance, action, *args, **kwargs):
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if action.startswith('post_'):
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trigger_state_check(instance)
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@receiver(m2m_changed, sender=State.member_alliances.through)
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def state_member_alliances_changed(sender, instance, action, *args, **kwargs):
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if action.startswith('post_'):
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trigger_state_check(instance)
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@receiver(post_save, sender=State)
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def state_saved(sender, instance, *args, **kwargs):
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trigger_state_check(instance)
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# Is there a smarter way to intercept pre_save with a diff main_character or state?
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@receiver(post_save, sender=UserProfile)
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def reassess_on_profile_save(sender, instance, created, *args, **kwargs):
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# catches post_save from profiles to trigger necessary service and state checks
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if not created:
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update_fields = kwargs.pop('update_fields', []) or []
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if 'state' not in update_fields:
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instance.assign_state()
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# TODO: how do we prevent running this twice on profile state change?
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validate_services(instance.user)
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@receiver(post_save, sender=User)
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def create_required_models(sender, instance, created, *args, **kwargs):
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# ensure all users have a model
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if created:
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UserProfile.objects.get_or_create(user=instance)
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@receiver(post_save, sender=Token)
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def record_character_ownership(sender, instance, created, *args, **kwargs):
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if created:
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# purge ownership records if the hash or auth user account has changed
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CharacterOwnership.objects.filter(character__character_id=instance.character_id).exclude(Q(
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owner_hash=instance.character_owner_hash) & Q(user=instance.user)).delete()
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# create character if needed
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if EveCharacter.objects.filter(character_id=instance.character_id).exists() is False:
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EveManager.create_character(instance.character_id)
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char = EveCharacter.objects.get(character_id=instance.character_id)
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# check if we need to create ownership
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if instance.user and not CharacterOwnership.objects.filter(character__character_id=instance.character_id).exists():
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CharacterOwnership.objects.update_or_create(character=char,
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defaults={'owner_hash': instance.character_owner_hash,
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'user': instance.user})
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@receiver(pre_delete, sender=CharacterOwnership)
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def validate_main_character(sender, instance, *args, **kwargs):
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if instance.user.profile.main_character == instance.character:
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# clear main character as user no longer owns them
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instance.user.profile.main_character = None
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instance.user.profile.save()
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@receiver(pre_delete, sender=Token)
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def validate_main_character_token(sender, instance, *args, **kwargs):
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if UserProfile.objects.filter(main_character__character_id=instance.character_id):
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if not Token.objects.filter(character_id=instance.character_id).filter(user=instance.user).exists():
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# clear main character as we can no longer verify ownership
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instance.user.profile.main_character = None
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instance.user.profile.save()
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@receiver(post_save, sender=User)
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def assign_state_on_reactivate(sender, instance, *args, **kwargs):
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# There's no easy way to trigger an action upon saving from pre_save signal
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# If we're saving a user and that user is in the Guest state, assume is_active was just set to True and assign state
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if instance.is_active and instance.profile.state == get_guest_state():
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instance.profile.assign_state()
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@receiver(post_save, sender=EveCharacter)
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def check_state_on_character_update(sender, instance, *args, **kwargs):
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# if this is a main character updating, check that user's state
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try:
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instance.userprofile.assign_state()
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except UserProfile.DoesNotExist:
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pass
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