Best way to data sync between Rails app and phone

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Best way to data sync between Rails app and phone

siva subrahmanyam
Hi, 
I want build an Rails API which serves as backend for a mobile app. Since the mobile app will be used in offline mode. Hence I want data updates needs to be synced between mobile and web app. What would be the best possible solution for this kind problems?  

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Re: Best way to data sync between Rails app and phone

Hassan Schroeder-2
On Fri, Jul 21, 2017 at 11:20 PM, siva subrahmanyam
<[hidden email]> wrote:

> I want build an Rails API which serves as backend for a mobile app. Since
> the mobile app will be used in offline mode. Hence I want data updates needs
> to be synced between mobile and web app. What would be the best possible
> solution for this kind problems?

The one that meets your requirements, which you haven't defined.

* Where is the data changing that needs to be "synced"?

* Is the synced data on the phone unique to that user or shared?

* How frequently does it change and how big are the changes?

* How critical is it if the phone goes offline with data that's 5 seconds
old? 5 minutes? An hour?

etc. etc.

Draw a diagram of your application data flow and work from there.

HTH!
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Re: Best way to data sync between Rails app and phone

siva subrahmanyam

Data will get updated on both sides ie., admin update data on web which needs to be synced with mobile and vice versa. Most of the users use mobile application offline mode as there is no network connectivity. Once the work done for entire day, they will be online and starts sync the data with server. Then we needs to sync recent updates. The data is unique for that user and remaining the users wont update the data apart from admin. 

Hope this helps. Let me know if you need more info. 

On Saturday, 22 July 2017 19:58:25 UTC+5:30, Hassan Schroeder wrote:
On Fri, Jul 21, 2017 at 11:20 PM, siva subrahmanyam
<<a href="javascript:" target="_blank" gdf-obfuscated-mailto="3GptsadpBwAJ" rel="nofollow" onmousedown="this.href=&#39;javascript:&#39;;return true;" onclick="this.href=&#39;javascript:&#39;;return true;">subbu98...@...> wrote:

> I want build an Rails API which serves as backend for a mobile app. Since
> the mobile app will be used in offline mode. Hence I want data updates needs
> to be synced between mobile and web app. What would be the best possible
> solution for this kind problems?

The one that meets your requirements, which you haven't defined.

* Where is the data changing that needs to be "synced"?

* Is the synced data on the phone unique to that user or shared?

* How frequently does it change and how big are the changes?

* How critical is it if the phone goes offline with data that's 5 seconds
old? 5 minutes? An hour?

etc. etc.

Draw a diagram of your application data flow and work from there.

HTH!
--
Hassan Schroeder ------------------------ <a href="javascript:" target="_blank" gdf-obfuscated-mailto="3GptsadpBwAJ" rel="nofollow" onmousedown="this.href=&#39;javascript:&#39;;return true;" onclick="this.href=&#39;javascript:&#39;;return true;">hassan.s...@...
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Re: Best way to data sync between Rails app and phone

Hassan Schroeder-2
On Sat, Jul 22, 2017 at 8:30 AM, siva subrahmanyam
<[hidden email]> wrote:
>
> Data will get updated on both sides ie., admin update data on web which
> needs to be synced with mobile and vice versa. Most of the users use mobile
> application offline mode as there is no network connectivity. Once the work
> done for entire day, they will be online and starts sync the data with
> server. Then we needs to sync recent updates. The data is unique for that
> user and remaining the users wont update the data apart from admin.
>
> Hope this helps. Let me know if you need more info.

So once a day when the user comes back online she or he opens
the app and it connects to the backend, sends its data and fetches
any updates. Sounds pretty straightforward.

What specific question do you have about this?

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Re: Best way to data sync between Rails app and phone

siva subrahmanyam

My question is there any gem available or do we need to use any service to make sync successful ? 

On Saturday, 22 July 2017 22:44:21 UTC+5:30, Hassan Schroeder wrote:
On Sat, Jul 22, 2017 at 8:30 AM, siva subrahmanyam
<<a href="javascript:" target="_blank" gdf-obfuscated-mailto="SFfMyLVyBwAJ" rel="nofollow" onmousedown="this.href=&#39;javascript:&#39;;return true;" onclick="this.href=&#39;javascript:&#39;;return true;">subbu98...@...> wrote:
>
> Data will get updated on both sides ie., admin update data on web which
> needs to be synced with mobile and vice versa. Most of the users use mobile
> application offline mode as there is no network connectivity. Once the work
> done for entire day, they will be online and starts sync the data with
> server. Then we needs to sync recent updates. The data is unique for that
> user and remaining the users wont update the data apart from admin.
>
> Hope this helps. Let me know if you need more info.

So once a day when the user comes back online she or he opens
the app and it connects to the backend, sends its data and fetches
any updates. Sounds pretty straightforward.

What specific question do you have about this?

--
Hassan Schroeder ------------------------ <a href="javascript:" target="_blank" gdf-obfuscated-mailto="SFfMyLVyBwAJ" rel="nofollow" onmousedown="this.href=&#39;javascript:&#39;;return true;" onclick="this.href=&#39;javascript:&#39;;return true;">hassan.s...@...
twitter: @hassan
Consulting Availability : Silicon Valley or remote

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Re: Best way to data sync between Rails app and phone

Hassan Schroeder-2
On Sun, Jul 23, 2017 at 7:42 AM, siva subrahmanyam
<[hidden email]> wrote:
>
> My question is there any gem available or do we need to use any service to
> make sync successful ?

Your client is sending requests to your web app. Other than Rails
itself (and the DB behind it) what do you imagine that you need?

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Re: Best way to data sync between Rails app and phone

siva subrahmanyam
Thanks for your reply. I felt that we need a separate server to stream. If it can be done just with Rails & DB then I am fine. 

On Sun, Jul 23, 2017 at 10:14 PM, Hassan Schroeder <[hidden email]> wrote:
On Sun, Jul 23, 2017 at 7:42 AM, siva subrahmanyam
<[hidden email]> wrote:
>
> My question is there any gem available or do we need to use any service to
> make sync successful ?

Your client is sending requests to your web app. Other than Rails
itself (and the DB behind it) what do you imagine that you need?

--
Hassan Schroeder ------------------------ [hidden email]
twitter: @hassan
Consulting Availability : Silicon Valley or remote

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Re: Best way to data sync between Rails app and phone

Colin Law
I achieve this by writing to an sqlite db in the android app and posting the records to the rails app when online.

Colin


On 24 Jul 2017 6:58 a.m., "siva subrahmanyam" <[hidden email]> wrote:
Thanks for your reply. I felt that we need a separate server to stream. If it can be done just with Rails & DB then I am fine. 

On Sun, Jul 23, 2017 at 10:14 PM, Hassan Schroeder <[hidden email]> wrote:
On Sun, Jul 23, 2017 at 7:42 AM, siva subrahmanyam
<[hidden email]> wrote:
>
> My question is there any gem available or do we need to use any service to
> make sync successful ?

Your client is sending requests to your web app. Other than Rails
itself (and the DB behind it) what do you imagine that you need?

--
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twitter: @hassan
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Re: Best way to data sync between Rails app and phone

John Ivanoff
There's also a book on that.
Build iOS Database Apps with Swift and SQLite => http://www.apress.com/us/book/9781484222317

John

On Tuesday, July 25, 2017 at 1:03:06 AM UTC-5, Colin Law wrote:
I achieve this by writing to an sqlite db in the android app and posting the records to the rails app when online.

Colin


On 24 Jul 2017 6:58 a.m., "siva subrahmanyam" <<a href="javascript:" target="_blank" gdf-obfuscated-mailto="Am7mH9I5CAAJ" rel="nofollow" onmousedown="this.href=&#39;javascript:&#39;;return true;" onclick="this.href=&#39;javascript:&#39;;return true;">subbu98...@...> wrote:
Thanks for your reply. I felt that we need a separate server to stream. If it can be done just with Rails & DB then I am fine. 

On Sun, Jul 23, 2017 at 10:14 PM, Hassan Schroeder <<a href="javascript:" target="_blank" gdf-obfuscated-mailto="Am7mH9I5CAAJ" rel="nofollow" onmousedown="this.href=&#39;javascript:&#39;;return true;" onclick="this.href=&#39;javascript:&#39;;return true;">hassan.s...@...> wrote:
On Sun, Jul 23, 2017 at 7:42 AM, siva subrahmanyam
<<a href="javascript:" target="_blank" gdf-obfuscated-mailto="Am7mH9I5CAAJ" rel="nofollow" onmousedown="this.href=&#39;javascript:&#39;;return true;" onclick="this.href=&#39;javascript:&#39;;return true;">subbu98...@...> wrote:
>
> My question is there any gem available or do we need to use any service to
> make sync successful ?

Your client is sending requests to your web app. Other than Rails
itself (and the DB behind it) what do you imagine that you need?

--
Hassan Schroeder ------------------------ <a href="javascript:" target="_blank" gdf-obfuscated-mailto="Am7mH9I5CAAJ" rel="nofollow" onmousedown="this.href=&#39;javascript:&#39;;return true;" onclick="this.href=&#39;javascript:&#39;;return true;">hassan.s...@...
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Re: Best way to data sync between Rails app and phone

Antônio Augusto Sousa Britto
You should take a look at Firebase. It does a great job on sync at mobile apps and the cloud database. Then you'll need only to create a service to sync web database to cloud database, if needed.


2017-07-25 15:21 GMT-03:00 John Ivanoff <[hidden email]>:
There's also a book on that.
Build iOS Database Apps with Swift and SQLite => http://www.apress.com/us/book/9781484222317

John

On Tuesday, July 25, 2017 at 1:03:06 AM UTC-5, Colin Law wrote:
I achieve this by writing to an sqlite db in the android app and posting the records to the rails app when online.

Colin


On 24 Jul 2017 6:58 a.m., "siva subrahmanyam" <[hidden email]> wrote:
Thanks for your reply. I felt that we need a separate server to stream. If it can be done just with Rails & DB then I am fine. 

On Sun, Jul 23, 2017 at 10:14 PM, Hassan Schroeder <[hidden email]> wrote:
On Sun, Jul 23, 2017 at 7:42 AM, siva subrahmanyam
<[hidden email]> wrote:
>
> My question is there any gem available or do we need to use any service to
> make sync successful ?

Your client is sending requests to your web app. Other than Rails
itself (and the DB behind it) what do you imagine that you need?

--
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twitter: @hassan
Consulting Availability : Silicon Valley or remote

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