from htsworkflow.frontend.samples.models import Library
from htsworkflow.frontend.experiments.models import FlowCell
+from htsworkflow.frontend.bcmagic.models import Printer
try:
"""
Assigns a UUID to model on save
"""
- print 'Entered _assign_uuid'
+ #print 'Entered _assign_uuid'
if instance.uuid is None or len(instance.uuid) != 32:
instance.uuid = uuid.uuid1().hex
+def _switch_default(sender, instance, **kwargs):
+ """
+ When new instance has default == True, uncheck all other defaults
+ """
+ if instance.default:
+ other_defaults = PrinterTemplate.objects.filter(default=True)
+
+ for other in other_defaults:
+ other.default = False
+ other.save()
+
class Vendor(models.Model):
name = models.CharField(max_length=256)
name = models.CharField(max_length=256, unique=True)
location_description = models.TextField()
- uuid = models.CharField(max_length=32, blank=True, help_text="Leave blank for automatic UUID generation")
+ uuid = models.CharField(max_length=32, blank=True, help_text="Leave blank for automatic UUID generation", editable=False)
notes = models.TextField(blank=True, null=True)
pre_save.connect(_assign_uuid, sender=Location)
+
class ItemInfo(models.Model):
model_id = models.CharField(max_length=256, blank=True, null=True)
part_number = models.CharField(max_length=256, blank=True, null=True)
name += u"lot:%s " % (self.lot_number)
return u"%s: %s" % (name, self.purchase_date)
+
+ class Meta:
+ verbose_name_plural = "Item Info"
class ItemType(models.Model):
def __unicode__(self):
return self.name
+
+ class Meta:
+ verbose_name_plural = "Item Status"
+
class Item(models.Model):
#Automatically assigned uuid; used for barcode if one is not provided in
# barcode_id
- uuid = models.CharField(max_length=32, blank=True, help_text="Leave blank for automatic UUID generation")
+ uuid = models.CharField(max_length=32, blank=True, help_text="Leave blank for automatic UUID generation", unique=True, editable=False)
# field for existing barcodes; used instead of uuid if provided
barcode_id = models.CharField(max_length=256, blank=True, null=True)
else:
return u"invb|%s" % (self.barcode_id)
+ def get_absolute_url(self):
+ return '/inventory/%s/' % (self.uuid)
+
pre_save.connect(_assign_uuid, sender=Item)
+class PrinterTemplate(models.Model):
+ """
+ Maps templates to printer to use
+ """
+ item_type = models.ForeignKey(ItemType)
+ printer = models.ForeignKey(Printer)
+
+ default = models.BooleanField()
+
+ template = models.TextField()
+
+ def __unicode__(self):
+ if self.default:
+ return u'%s %s' % (self.item_type.name, self.printer.name)
+ else:
+ return u'%s %s (default)' % (self.item_type.name, self.printer.name)
+
+pre_save.connect(_switch_default, sender=PrinterTemplate)
+
+
class LongTermStorage(models.Model):
flowcell = models.ForeignKey(FlowCell)
def __unicode__(self):
return u"%s: %s" % (str(self.flowcell), ', '.join([ str(s) for s in self.storage_devices.iterator() ]))
+
+ class Meta:
+ verbose_name_plural = "Long Term Storage"
+
+
+class ReagentBase(models.Model):
+
+ reagent = models.ManyToManyField(Item)
+
+ creation_date = models.DateTimeField(auto_now_add=True)
+ modified_date = models.DateTimeField(auto_now=True)
+
+ class Meta:
+ abstract = True
+
+
+class ReagentFlowcell(ReagentBase):
+ """
+ Links reagents and flowcells
+ """
+ flowcell = models.ForeignKey(FlowCell)
+
+ def __unicode__(self):
+ return u"%s: %s" % (str(self.flowcell), ', '.join([ str(s) for s in self.reagent.iterator() ]))
+
+
+class ReagentLibrary(ReagentBase):
+ """
+ Links libraries and flowcells
+ """
+ library = models.ForeignKey(Library)
+
+ def __unicode__(self):
+ return u"%s: %s" % (str(self.library), ', '.join([ str(s) for s in self.reagent.iterator() ]))