80 lines
3.2 KiB
Python
80 lines
3.2 KiB
Python
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from django.db import models
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from django.utils.functional import cached_property
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from django.utils.translation import ugettext_lazy as _
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from orchestra.core import services
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from orchestra.core.translations import ModelTranslation
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from orchestra.core.validators import validate_name
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from orchestra.models.fields import NullableCharField
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class MiscService(models.Model):
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name = models.CharField(_("name"), max_length=32, unique=True, validators=[validate_name],
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help_text=_("Raw name used for internal referenciation, i.e. service match definition"))
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verbose_name = models.CharField(_("verbose name"), max_length=256, blank=True,
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help_text=_("Human readable name"))
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description = models.TextField(_("description"), blank=True,
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help_text=_("Optional description"))
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has_identifier = models.BooleanField(_("has identifier"), default=True,
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help_text=_("Designates if this service has a <b>unique text</b> field that "
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"identifies it or not."))
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has_amount = models.BooleanField(_("has amount"), default=False,
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help_text=_("Designates whether this service has <tt>amount</tt> "
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"property or not."))
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is_active = models.BooleanField(_("active"), default=True,
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help_text=_("Whether new instances of this service can be created "
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"or not. Unselect this instead of deleting services."))
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def __str__(self):
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return self.name
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def clean(self):
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self.verbose_name = self.verbose_name.strip()
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def get_verbose_name(self):
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return self.verbose_name or self.name
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class Miscellaneous(models.Model):
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service = models.ForeignKey(MiscService, verbose_name=_("service"),
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related_name='instances')
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account = models.ForeignKey('accounts.Account', verbose_name=_("account"),
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related_name='miscellaneous')
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identifier = NullableCharField(_("identifier"), max_length=256, null=True, unique=True,
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help_text=_("A unique identifier for this service."))
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description = models.TextField(_("description"), blank=True)
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amount = models.PositiveIntegerField(_("amount"), default=1)
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is_active = models.BooleanField(_("active"), default=True,
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help_text=_("Designates whether this service should be treated as "
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"active. Unselect this instead of deleting services."))
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class Meta:
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verbose_name_plural = _("miscellaneous")
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def __str__(self):
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return self.identifier or self.description[:32] or str(self.service)
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@cached_property
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def active(self):
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try:
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return self.is_active and self.account.is_active
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except type(self).account.field.rel.to.DoesNotExist:
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return self.is_active
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def get_description(self):
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return ' '.join((str(self.amount), self.service.description or self.service.verbose_name))
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@cached_property
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def service_class(self):
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return self.service
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def clean(self):
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if self.identifier:
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self.identifier = self.identifier.strip()
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self.description = self.description.strip()
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services.register(Miscellaneous)
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ModelTranslation.register(MiscService, ('verbose_name',))
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