from django.db import models
from apps.system.models import CommonAModel
from apps.utils.models import CommonBDModel
from apps.mtm.models import Material

class TestItem(CommonAModel):
    """
    检验项目
    """
    name = models.CharField('名称', max_length=100)

# Create your models here.
class QuaStat(CommonBDModel):
    """
    质量数据统计表 需要有belong_dept
    """
    type = models.CharField('统计维度', max_length=50, default='day', help_text='year/month/day')
    year = models.PositiveSmallIntegerField('年')
    month = models.PositiveSmallIntegerField('月', null=True, blank=True)
    day = models.PositiveSmallIntegerField('日', null=True, blank=True)
    product = models.ForeignKey(Material, verbose_name='关联产物', on_delete=models.CASCADE)
    testitem = models.ForeignKey(TestItem, verbose_name='质检项目', on_delete=models.CASCADE)
    val_avg = models.FloatField('平均值')
    num_test = models.PositiveSmallIntegerField('检测次数')
    num_ok = models.PositiveSmallIntegerField('合格次数')
    rate_pass = models.FloatField('合格率')