Question

我正在尝试更新mongoengine中嵌入文档的列表字段。我已经完成了几乎所有相关的问题，但不知怎的，我的代码才刚刚起作用。我知道有一些我想念的小事，但我无法弄清楚。

这是我的代码：

文件：

class Address(EmbeddedDocument):
    line1 = StringField(required=True, max_length=63)
    line2 = StringField(max_length=127)
    pin = StringField(max_length=6, min_length=6)


class Store(EmbeddedDocument):
    code = StringField(max_length=50, required=True)
    store_name = StringField(max_length=255, required=True)
    address = EmbeddedDocumentField(Address)


class Vendor(Document):
    name = StringField(max_length=255, required=True)
    stores = ListField(EmbeddedDocumentField(Store))

查看：

def stores(request, *args, **kwargs):
    .......
    elif request.method == 'POST':
        if request.is_ajax():
            if request.POST.get('oper') == 'edit':
                post_dict = request.POST
                # updated_vendor = Vendor.objects(pk=vendor_pk, stores__$__)
                vendor.update_store(vendor_pk, post_dict)
                return get_json_response({'msg': 'Store details updated successfully!!'})
        else:
            ....

def update_store(self, vendor_pk, post_dict):
        print post_dict
        store = [attr for attr in self.stores if attr.code == post_dict.get('code') and attr.store_name == post_dict.get('store_name')]
        vendor = self
        new_address = Address(line1=post_dict.get('line1'), line2=post_dict.get('line2'),
                              city=post_dict.get('city'), state=post_dict.get('state'),
                              country=post_dict.get('country'))
        if post_dict.get('pin') != 'None':
            new_address.pin = post_dict.get('pin')
        print "address new", new_address.line2, new_address.pin
        new_store = Store(code=post_dict.get('code'), store_name=post_dict.get('store_name'), address=new_address)
        print "new store", new_store.address.line2, new_store.address.pin
        if store:
            index = vendor.stores.index(store[0])
            updated = Vendor.objects(pk=vendor_pk, stores__code=post_dict.get('code'), stores__name=post_dict.get('store_name')).update_one(set__stores__index=new_store)
            print "updated", updated
            #print index,vendor.stores[index].address.city
            # del vendor.stores[index]
            # vendor.stores.append(new_store)
            # vendor.stores[index].code = post_dict.get('code')
            # vendor.stores[index].store_name = post_dict.get('store_name')
            # vendor.stores[index].address.line1 = post_dict.get('line1')
            # vendor.stores[index].address.line2 = post_dict.get('line2')
            # if post_dict['pin'] != 'None':
            #     vendor.stores[index].address.pin = post_dict.get('pin')
            # vendor.save()

这些是我的印刷声明＆＃39;输出：

<QueryDict: {u'oper': [u'edit'], u'code': [u'BSK'], u'pin': [u'1'], u'line2': [u'near huda city center'], u'line1': [u'Shushant Lok'], u'store_name': [u'Baskin'], u'id': [u'2']}>

address new near huda city center 1

new store near huda city center 1
updated 0

我的update_store方法刚刚开始工作。请帮助。

Answer 1

好的，所以我现在让我的代码工作了。我将update_store方法修改为此方法并且有效。

def update_store(self, post_dict):
        vendor = self
        new_address = Address(line1=post_dict.get('line1'), line2=post_dict.get('line2'))
        if post_dict.get('pin') != 'None':
            new_address.pin = post_dict.get('pin')
        new_store = Store(code=post_dict.get('code'), store_name=post_dict.get('store_name'), address=new_address)
        index = int(post_dict.get('id')) -1
        stores = vendor.get_active_stores()
        stores[index].is_active = False
        vendor.stores.append(new_store)
        vendor.save()

mongoengine更新嵌入式文档的列表字段

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