from tortoise import fields, models
from tortoise.expressions import Q

class Taboo(models.Model):
    name = fields.CharField(max_length = 50, description = '药剂种类')
    mutex = fields.CharField(max_length = 50, description = '禁忌种类')
    reason = fields.CharField(max_length = 255, description = '禁忌描述')
    
    class Meta:
        table = 'taboos'
        table_description = '禁忌表'
    
    @classmethod
    async def conflict(cls, mine, othn):
        '''是否存在存储禁忌'''
        mtags = mine.split(',')
        otags = othn.split(',')
        for mtag in mtags:
            for otag in otags:
                taboo = await Taboo.get_or_none(Q(name=mtag, mutex=otag) | Q(name=otag, mutex=mtag))
                if taboo:
                    return True, taboo.reason
        return False, None