ly_baoxiu_admin/apps/tenant/config/models.py

# coding=utf-8

from django.db import models
from django.conf import settings
from PIL import Image
from apps.tenant.models import Tenant
from utils.file_operation import UploadFile, DeleteFile

config_file = 'config/'
class Config(models.Model):
    KEY_REPAIRS_PERSON = 'repairs_person'  #报修人员
    KEY_SEND_ORDER_TYPE = 'send_order_type'  #派单方式
    WXAPP_HOME_IMG = 'wxapp_home_img'  #小程序首页图片

    tenant = models.ForeignKey(Tenant, verbose_name=u'租户', on_delete=models.PROTECT, editable=False)
    property = models.CharField(max_length=100, verbose_name=u'属性')
    value = models.TextField(verbose_name=u'值')

    class Meta:
        db_table = "system_config"
        verbose_name = u"基础设置"
        index_together = (
            'property',
        )
        default_permissions = ()
        permissions = [
            ('browse_config', u'查看'),
            ('set_config', u'设置'),
        ]

    @staticmethod
    def getRepairsPerson(tenant_id):
        try:
            row = Config.objects.get(property=Config.KEY_REPAIRS_PERSON, tenant_id=tenant_id)
            return row.value
        except:
            return ''

    @staticmethod
    def getSendOrderType(tenant_id):
        try:
            row = Config.objects.get(property=Config.KEY_SEND_ORDER_TYPE, tenant_id=tenant_id)
            return row.value
        except:
            return ''

    @staticmethod
    def add_img(employee, property, file):
        path = '{0}{1}/{2}/'.format(config_file,property,employee.user.id)
        filename = UploadFile(file, path)
        fullname = "%s/%s" % (settings.MEDIA_ROOT, filename)

        try:
            img = Image.open(fullname)
            x, y = img.size
            if x > 1440:
                img = img.resize((1440, int((y / x) * 1440)), Image.ANTIALIAS)
                img.save(fullname)
        except:
            pass

        return filename

    @staticmethod
    def del_images(instance):
        picture = instance.value
        instance.delete()
        DeleteFile(picture)