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Azure notify app when element inserted into table
The idea is we have a mobile app backed by an azure database. I am wondering if there is any way to send a notification to the mobile app in case an element has been added to a specific table. The app will receive this notification, check what value has been inserted into that azure sql table and then make a decision whether to send a warning to the app user or not, like a push notification.
Can this be achieved and if yes how ? Any help is appreciated.
Best Answer
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JGoldberger
US Xamurai
I would think the same web service that receives the text file (I assume it is some kind of web service) and saves it into a folder can then connect to your Azure Web App to update the Azure database using info from the text file. Then ideally you would have the part of the Azure Web App code (could be an ASP.NET project or a node.js project) send the Azure notification. This is what the sample I linked does, there is code injected into the database update code so that every time the database is updated a notification is sent to your mobile app(s).
5
Answers
@RRazvan
The quick start guide for using Xamarin and Azure Push notifications does just that. When an item is added to the To Do list, a notification is sent. So you should be able to see how it is done by looking over this guide and the related code:
https://docs.microsoft.com/en-us/xamarin/xamarin-forms/data-cloud/push-notifications/azure
@JGoldberger Thank you very much for that link, it definitely helps. I am still confused about one thing.
The information I need to send to the mobile app users is contained in a text file that will be received into a folder from an external source. Looks like I need to create another app that monitors that folder, uploads the info into the azure table and from there set up the notification hub that will alert the mobile users. I am not sure what kind of app this will be that would monitor that folder and upload to the Azure table(s) that are the back-end for the mobile app. I feel like things are becoming more and more clear but still missing some pieces, and again I am new to Xamarin and mobile app development. Would this other app be an ASP.NET project, like a web server? What is the best suggestion?
@RRazvan
I would think the same web service that receives the text file (I assume it is some kind of web service) and saves it into a folder can then connect to your Azure Web App to update the Azure database using info from the text file. Then ideally you would have the part of the Azure Web App code (could be an ASP.NET project or a node.js project) send the Azure notification. This is what the sample I linked does, there is code injected into the database update code so that every time the database is updated a notification is sent to your mobile app(s).
Thanks @JGoldberger . I appreciate it.