forked from ungleich-public/dynamicweb
64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
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from django.db import models
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from django.db.models import Q
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from django.utils.encoding import force_str
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from cms.models import CMSPlugin, Placeholder
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class AliasPluginModel(CMSPlugin):
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"""
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AliasPlugin is deprecated,
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and it will be removed;
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please use the package djangocms-alias instead
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"""
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cmsplugin_ptr = models.OneToOneField(
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CMSPlugin,
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on_delete=models.CASCADE,
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related_name='cms_aliasplugin',
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parent_link=True,
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)
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plugin = models.ForeignKey(
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CMSPlugin,
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on_delete=models.CASCADE,
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editable=False,
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related_name='alias_reference',
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null=True,
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)
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alias_placeholder = models.ForeignKey(
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Placeholder,
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on_delete=models.CASCADE,
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editable=False,
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related_name='alias_placeholder',
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null=True,
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)
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class Meta:
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app_label = 'cms'
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def __str__(self):
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if self.plugin_id:
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return f"({force_str(self.plugin.get_plugin_name())}) {self.plugin.get_plugin_instance()[0]}"
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else:
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return force_str(self.alias_placeholder.get_label())
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def get_aliased_placeholder_id(self):
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if self.plugin_id:
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placeholder_id = self.plugin.placeholder_id
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else:
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placeholder_id = self.alias_placeholder_id
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return placeholder_id
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def is_recursive(self):
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placeholder_id = self.get_aliased_placeholder_id()
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if not placeholder_id:
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return False
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plugins = AliasPluginModel.objects.filter(
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plugin_type='AliasPlugin',
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placeholder_id=placeholder_id,
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)
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plugins = plugins.filter(
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Q(plugin=self) | Q(plugin__placeholder=self.placeholder_id) | Q(alias_placeholder=self.placeholder_id)
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)
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return plugins.exists()
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