122 lines
4.6 KiB
Python
122 lines
4.6 KiB
Python
from django import forms
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from django.contrib import admin
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from django.core.urlresolvers import reverse
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from django.db import models
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext_lazy as _
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from orchestra.admin import ExtendedModelAdmin
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from orchestra.admin.utils import admin_link
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from orchestra.contrib.accounts.admin import AccountAdminMixin
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from orchestra.plugins import PluginModelAdapter
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from orchestra.plugins.admin import SelectPluginAdminMixin
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from orchestra.utils.python import import_class
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from . import settings
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from .models import MiscService, Miscellaneous
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class MiscServicePlugin(PluginModelAdapter):
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model = MiscService
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name_field = 'name'
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class MiscServiceAdmin(ExtendedModelAdmin):
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list_display = (
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'name', 'verbose_name', 'num_instances', 'has_identifier', 'has_amount', 'is_active'
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)
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list_editable = ('is_active',)
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list_filter = ('has_identifier', 'has_amount', 'is_active')
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fields = (
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'verbose_name', 'name', 'description', 'has_identifier', 'has_amount', 'is_active'
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)
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prepopulated_fields = {'name': ('verbose_name',)}
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change_readonly_fields = ('name',)
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def num_instances(self, misc):
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""" return num slivers as a link to slivers changelist view """
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num = misc.instances__count
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url = reverse('admin:miscellaneous_miscellaneous_changelist')
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url += '?service={}'.format(misc.pk)
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return mark_safe('<a href="{0}">{1}</a>'.format(url, num))
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num_instances.short_description = _("Instances")
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num_instances.admin_order_field = 'instances__count'
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def get_queryset(self, request):
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qs = super(MiscServiceAdmin, self).get_queryset(request)
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return qs.annotate(models.Count('instances', distinct=True))
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def formfield_for_dbfield(self, db_field, **kwargs):
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""" Make value input widget bigger """
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if db_field.name == 'description':
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kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 2})
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return super(MiscServiceAdmin, self).formfield_for_dbfield(db_field, **kwargs)
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class MiscellaneousAdmin(AccountAdminMixin, SelectPluginAdminMixin, admin.ModelAdmin):
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list_display = (
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'__str__', 'service_link', 'amount', 'dispaly_active', 'account_link', 'is_active'
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)
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list_filter = ('service__name', 'is_active')
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list_select_related = ('service', 'account')
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search_fields = ('identifier', 'description', 'account__username')
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plugin_field = 'service'
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plugin = MiscServicePlugin
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service_link = admin_link('service')
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def dispaly_active(self, instance):
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return instance.active
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dispaly_active.short_description = _("Active")
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dispaly_active.boolean = True
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dispaly_active.admin_order_field = 'is_active'
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def get_service(self, obj):
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if obj is None:
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return self.plugin.get(self.plugin_value).related_instance
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else:
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return obj.service
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def get_fields(self, request, obj=None):
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fields = ['account', 'description', 'is_active']
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if obj is not None:
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fields = ['account_link', 'description', 'is_active']
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service = self.get_service(obj)
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if service.has_amount:
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fields.insert(-1, 'amount')
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if service.has_identifier:
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fields.insert(1, 'identifier')
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return fields
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def get_form(self, request, obj=None, **kwargs):
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form = super(SelectPluginAdminMixin, self).get_form(request, obj, **kwargs)
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service = self.get_service(obj)
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def clean_identifier(self, service=service):
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identifier = self.cleaned_data['identifier']
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validator_path = settings.MISCELLANEOUS_IDENTIFIER_VALIDATORS.get(service.name, None)
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validator = import_class(validator_path)
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if validator:
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validator(identifier)
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return identifier
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form.clean_identifier = clean_identifier
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return form
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def formfield_for_dbfield(self, db_field, **kwargs):
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""" Make value input widget bigger """
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if db_field.name == 'description':
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kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 4})
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return super(MiscellaneousAdmin, self).formfield_for_dbfield(db_field, **kwargs)
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def save_model(self, request, obj, form, change):
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if not change:
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plugin = self.plugin
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kwargs = {
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plugin.name_field: self.plugin_value
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}
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setattr(obj, self.plugin_field, plugin.model.objects.get(**kwargs))
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obj.save()
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admin.site.register(MiscService, MiscServiceAdmin)
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admin.site.register(Miscellaneous, MiscellaneousAdmin)
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