You would simply just call save and then cb().
*async.each(contents, function(content, cb) { content.save(**);*
* cb();*
*}, function(errors) { res.status.(200).. ///OK});*
On Tuesday, February 23, 2016, Duy Nguyen <[email protected]> wrote:
> Thanks Christopher and Emanuele.
>
> I do not want to call cb after saving, mean that I just want to loop via
> list of contents, then save them, thats all.
>
>
> *async.each(contents, function(content, cb) {
> content.save(function(err, resp) {*
> * /*DO NOT NEE TO CALL cb HERE*/ cb(err); //lets hope err is null,
> but if it's not null, the err will get propagated through to the final
> "errors" param below.*
>
>
>
> * });}, function(errors) { res.status.(200).. ///OK});*
>
> Is it possible to apply async without cb param?
>
>
>
> On Tue, Feb 23, 2016 at 1:44 PM, Christopher Mina <
> [email protected]
> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote:
>
>> To be clear about Emanuele's response, the async API should look like
>> this.
>>
>> async.each(contents, function(content, cb) {
>> content.save(function(err, resp) {
>> cb(err); //lets hope err is null, but if it's not null, the err
>> will get propagated through to the final "errors" param below.
>> });
>> }, function(errors) {
>> res.status.(200).. ///OK
>> });
>>
>>
>> -Chris
>>
>> On Monday, February 22, 2016 at 10:01:38 AM UTC-7, Emanuele DelBono wrote:
>>>
>>> Probably you are using async.js in a wrong way. Do you call the "done
>>> callback" on after every save of the chest? The callback for async.each
>>> received 2 parameters, the item and the done callback.
>>>
>>>
>>> On Mon, Feb 22, 2016 at 3:55 AM, Duy Nguyen <[email protected]> wrote:
>>>
>>>> Hi,
>>>>
>>>> I want to my code work as below:
>>>> 1. save Chest object to db
>>>> 2. Then save all contents belong to this chest to db (have logic to add
>>>> new filed to content before saving)
>>>> 3. Then return response with chest + new contents info
>>>>
>>>> But the real code does not work as I expected, the code is:
>>>>
>>>> chestApi = createChestWithContents{
>>>>> var chest = req.body;
>>>>> var contents = req.body.contents;
>>>>> chest.save(function(err, chest) {
>>>>> async.each(contents, function(content) {
>>>>> content.save()....
>>>>> }, function(done) {
>>>>> return res.status.(200).. ///OK
>>>>> });
>>>>> });
>>>>> }
>>>>
>>>>
>>>> When I use postman to test, the method end up without any response
>>>> returned due to asynchronous methods(even when I used async to wait till
>>>> the loop finish), cannot figure out how to do those stuff synchronously.
>>>> --
>>>> Nguyen Hai Duy
>>>> Mobile : 0914 72 1900
>>>> Skype: nguyenhd2107
>>>>
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>>>>
>>>
>>>
>>>
>>> --
>>> ema
>>> http://ema.codiceplastico.com <http://blog.codiceplastico.com/ema>
>>>
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>
>
>
> --
> Nguyen Hai Duy
> Mobile : 0914 72 1900
> Skype: nguyenhd2107
>
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--
Christopher Mina
Live Healthy. Work Hard. Be Kind. Gain Success.
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