o Œ#iÙã@s:ddlmZddlmZddlmZGdd„dejƒZdS)é)Úsettings)Úmodels)ÚFieldDoesNotExistcsReZdZdZd‡fdd„ Zdd„Zd‡fdd „ Zdd d „Zd d „Zdd„Z ‡Z S)ÚHostSiteManageraÉ A model manager to limit objects to those associated with a site. :param field_name: the name of the related field pointing at the :class:`~django.contrib.sites.models.Site` model, or a series of relations using the ``field1__field2__field3`` notation. Falls back to looking for 'site' and 'sites' fields. :param select_related: a boolean specifying whether to use :meth:`~django.db.models.QuerySet.select_related` when querying the database Define a manager instance in your model class with one of the following notations:: on_site = HostSiteManager() # automatically looks for site and sites on_site = HostSiteManager("author__site") on_site = HostSiteManager("author__blog__site") on_site = HostSiteManager("author__blog__site", select_related=False) Then query against it with one of the manager methods:: def home_page(request): posts = BlogPost.on_site.by_request(request).all() return render(request, 'home_page.html', {'posts': posts}) NTcs&tƒ ¡||_||_d|_d|_dS)NéF)ÚsuperÚ__init__Ú _field_nameÚ_select_relatedÚ_depthÚ _is_validated)ÚselfÚ field_nameÚselect_related©Ú __class__©ú\/var/www/GraceOrthoHospital/venv_grace/lib/python3.10/site-packages/django_hosts/managers.pyr$s  zHostSiteManager.__init__c Csðd}|jdur1|j dd¡}t|ƒ}||jkr||_|d}z |jj |¡}Wn+ty0Yn#wdD]}z |jj |¡}Wn tyId}Yq3w||_}d|_|ret |t j t j fƒsdt d|ƒ‚ntd|jj||jjjfƒ‚d|_dS)NÚ__rr)ÚsiteÚsitesTz+%s must be a ForeignKey or ManyToManyField.z(%s couldn't find a field named %s in %s.)r ÚsplitÚlenr ÚmodelÚ_metaÚ get_fieldrr Ú isinstancerÚ ForeignKeyÚManyToManyFieldÚ TypeErrorÚ ValueErrorrÚ__name__Ú object_name)r ÚfieldÚ name_partsÚ rel_depthrÚpotential_namerrrÚ_validate_field_name+sF   ÿ ÿ ÿÿþÿÿ z$HostSiteManager._validate_field_namecs@|durtj}|js| ¡tƒ ¡}|jdid|j|i¤ŽS)Nz %s__id__exactr)rÚSITE_IDr r'rÚ get_querysetÚfilterr )r Úsite_idÚqsrrrr)Os  zHostSiteManager.get_querysetcCs | |¡S)zç Returns a queryset matching the given site id. If not given this falls back to the ``SITE_ID`` setting. :param site_id: the ID of the site :rtype: :class:`~django.db.models.query.QuerySet` )r))r r+rrrÚby_idWs zHostSiteManager.by_idcCs(t|dƒr |jdur| ¡S| |j¡S)zù Returns a queryset matching the given request's site attribute. :param request: the current request :type request: :class:`~django.http.HttpRequest` :rtype: :class:`~django.db.models.query.QuerySet` rN)ÚhasattrrÚnoneÚby_site)r ÚrequestrrrÚ by_requestas  zHostSiteManager.by_requestcCs | |j¡S)zÜ Returns a queryset matching the given site. :param site: a site instance :type site: :class:`~django.contrib.sites.models.Site` :rtype: :class:`~django.db.models.query.QuerySet` )r-Úid)r rrrrr0ns zHostSiteManager.by_site)NT)N) r!Ú __module__Ú __qualname__Ú__doc__rr'r)r-r2r0Ú __classcell__rrrrrs$   rN)Ú django.confrÚ django.dbrÚdjango.core.exceptionsrÚManagerrrrrrÚs