[英]Trying to insert a new column with a list of foreign field in django_tables2
我正在使用django_tables2显示“修复详细信息”列表。 到现在为止还挺好。 但是,我想添加一个新字段(不在模型中):服务报告列表。 该关系是一对多。 并显示另一个型号中的序列号。 自从我添加了字段以来,这非常困难,但是render_NEW_FIELD无法正常工作,而且我无法到达服务报告列表,因为在表模型中,我只能访问记录,而不能访问repair_detail模型。 我正在使用django_tables 0.15
维修/ models.py
class RepairDetail(models.Model):
repair = models.ForeignKey('Repair')
repair_detail_number = models.IntegerField()
article_code = models.CharField(max_length=30)
registered_date = models.DateField(null=True)
registered_uid = models.IntegerField(null=True)
registered_initials = models.CharField(max_length=2, null=True)
customer_reference = models.CharField(max_length=20, null=True)
db2_recnum = models.IntegerField()
def __unicode__(self):
return str(self.repair_detail_number)
class ServiceReport(models.Model):
repair_detail = models.ForeignKey('RepairDetail')
status = models.ForeignKey('ServiceReportStatus', on_delete=models.PROTECT)
serial_number = models.ForeignKey('core.SerialNumber')
customer = models.ForeignKey('core.Company')
contact = models.ForeignKey('core.Contact', null=True, on_delete=models.SET_NULL)
project = models.ForeignKey('core.Project')
project_code = models.CharField(max_length=4)
identifier = models.CharField(max_length=1)
repair_date = models.DateField(null=True)
repair_uid = models.IntegerField(null=True)
repair_initials = models.CharField(max_length=2, null=True)
booking_date = models.DateField(null=True)
核心/ models.py
class SerialNumber(models.Model):
product = models.ForeignKey("Product")
panel = models.ForeignKey("Panel", null=True, blank=True, default = None)
serial_number = models.CharField(max_length=30, default='')
manifest = models.TextField(null=True)
def __unicode__(self):
return self.serial_number
维修/ tables.py
class RepairDetailTable(tables.Table):
#serials = tables.Column(accessor='servicereport.serialnumber.serialnumber')
serial = tables.Column()
def __init__(self, *args, **kwargs):
super(RepairDetailTable, self).__init__(*args, **kwargs)
class Meta(object):
model = RepairDetail
fields = ('id', 'repair_detail_number', 'article_code', 'registered_date', 'registered_initials', 'customer_reference', 'serials')
attrs = {'class': 'table table-striped table-bordered protonic'}
empty_text = "No records found."
如果要(1:N而不是N:1)连接表单元格中的所有相关模型,请尝试通过设置属性在模型层中执行以下操作:
class RepairDetail(models.Model):
# ...
@property
def service_reports_list(self):
return self.servicereport_set.all()
定义自己的列(inherit tables.Column
)并覆盖render
方法
将其添加到您的表类中:
class RepairDetailTable(tables.Table):
# ...
service_reports_list = YourOwnColumn(some_kwargs)
# ...
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