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Trigger Controller Method using Hangfire for ASP.NET Core

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0

Good day guys,

I'm trying to trigger a certain command inside my Controller in ASP.NET Core.

I've installed hangfire and configured my Startup.cs

public void ConfigureServices(IServiceCollection services)

 ...
 services.AddHangfire(x => x.UseSqlServerStorage('my conn string'));
 ...


public void Configure(IApplicationBuilder app, IHostingEnvironment env)

 ...
 // add hangfire
 app.UseHangfireDashboard();
 app.UseHangfireServer(); 
 ...

But the problem is, my sample controller has multiple dependency injections

public class ProductsController: Controller

 private readonly ISomething1 something1;
 private readonly ISomething2 something2;
 private readonly ISomething3 something3;

 public ProductsController(ISomething1 something1, ISomething2 something2, ISomething3 something3)
 this.something1 = something1;
 this.something2 = something2;
 this.something3 = something3;
 

 public async Task<IActionResult> TriggerMe()
 ...
 

I'm trying to implement something like this on my startup

RecurringJob.AddOrUpdate(
() => // trigger the TriggerMe() controller method ,
Cron.Daily);

Any help please? Thank you

c# asp.net-core asp.net-core-2.0 hangfire

share|improve this question

asked Mar 25 at 11:41

AppleCiderYummyAppleCiderYummy

821010 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  As it's a controller method, I'd say the best thing to do here is to actually invoke it via HTTP rather than programatically because then you're leaving the framework do what it should be doing with pipelines and error handling.
  
  – ColinM
  Mar 25 at 11:49
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  But I need to trigger that Controller Method. to generate my PDF since I'm using Rotativa to generate pdf byte.
  
  – AppleCiderYummy
  Mar 25 at 11:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  what is the purpose of a cron job here then? because Rotavita is specific for generating PDFs from Razor views
  
  – Aarif
  Mar 25 at 12:02
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  My controller method returns a pdf file using rotativa, that's why I need to trigger it using hangerfire automatically. Using rotativa in a normal class won't work since it needs ControllerContext
  
  – AppleCiderYummy
  Mar 25 at 12:03
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I get that, but why trigger PDF generation from hangfire?
  
  – Aarif
  Mar 25 at 12:05
  

  
  
  
  

 | 
show 7 more comments

0

Good day guys,

I'm trying to trigger a certain command inside my Controller in ASP.NET Core.

I've installed hangfire and configured my Startup.cs

public void ConfigureServices(IServiceCollection services)

 ...
 services.AddHangfire(x => x.UseSqlServerStorage('my conn string'));
 ...


public void Configure(IApplicationBuilder app, IHostingEnvironment env)

 ...
 // add hangfire
 app.UseHangfireDashboard();
 app.UseHangfireServer(); 
 ...

But the problem is, my sample controller has multiple dependency injections

public class ProductsController: Controller

 private readonly ISomething1 something1;
 private readonly ISomething2 something2;
 private readonly ISomething3 something3;

 public ProductsController(ISomething1 something1, ISomething2 something2, ISomething3 something3)
 this.something1 = something1;
 this.something2 = something2;
 this.something3 = something3;
 

 public async Task<IActionResult> TriggerMe()
 ...
 

I'm trying to implement something like this on my startup

RecurringJob.AddOrUpdate(
() => // trigger the TriggerMe() controller method ,
Cron.Daily);

Any help please? Thank you

c# asp.net-core asp.net-core-2.0 hangfire

share|improve this question

asked Mar 25 at 11:41

AppleCiderYummyAppleCiderYummy

821010 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  As it's a controller method, I'd say the best thing to do here is to actually invoke it via HTTP rather than programatically because then you're leaving the framework do what it should be doing with pipelines and error handling.
  
  – ColinM
  Mar 25 at 11:49
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  But I need to trigger that Controller Method. to generate my PDF since I'm using Rotativa to generate pdf byte.
  
  – AppleCiderYummy
  Mar 25 at 11:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  what is the purpose of a cron job here then? because Rotavita is specific for generating PDFs from Razor views
  
  – Aarif
  Mar 25 at 12:02
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  My controller method returns a pdf file using rotativa, that's why I need to trigger it using hangerfire automatically. Using rotativa in a normal class won't work since it needs ControllerContext
  
  – AppleCiderYummy
  Mar 25 at 12:03
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I get that, but why trigger PDF generation from hangfire?
  
  – Aarif
  Mar 25 at 12:05
  

  
  
  
  

 | 
show 7 more comments

Good day guys,

I'm trying to trigger a certain command inside my Controller in ASP.NET Core.

I've installed hangfire and configured my Startup.cs

public void ConfigureServices(IServiceCollection services)

 ...
 services.AddHangfire(x => x.UseSqlServerStorage('my conn string'));
 ...


public void Configure(IApplicationBuilder app, IHostingEnvironment env)

 ...
 // add hangfire
 app.UseHangfireDashboard();
 app.UseHangfireServer(); 
 ...

But the problem is, my sample controller has multiple dependency injections

public class ProductsController: Controller

 private readonly ISomething1 something1;
 private readonly ISomething2 something2;
 private readonly ISomething3 something3;

 public ProductsController(ISomething1 something1, ISomething2 something2, ISomething3 something3)
 this.something1 = something1;
 this.something2 = something2;
 this.something3 = something3;
 

 public async Task<IActionResult> TriggerMe()
 ...
 

I'm trying to implement something like this on my startup

RecurringJob.AddOrUpdate(
() => // trigger the TriggerMe() controller method ,
Cron.Daily);

Any help please? Thank you

c# asp.net-core asp.net-core-2.0 hangfire

share|improve this question

asked Mar 25 at 11:41

AppleCiderYummyAppleCiderYummy

821010 bronze badges

public void ConfigureServices(IServiceCollection services)

 ...
 services.AddHangfire(x => x.UseSqlServerStorage('my conn string'));
 ...


public void Configure(IApplicationBuilder app, IHostingEnvironment env)

 ...
 // add hangfire
 app.UseHangfireDashboard();
 app.UseHangfireServer(); 
 ...

public class ProductsController: Controller

 private readonly ISomething1 something1;
 private readonly ISomething2 something2;
 private readonly ISomething3 something3;

 public ProductsController(ISomething1 something1, ISomething2 something2, ISomething3 something3)
 this.something1 = something1;
 this.something2 = something2;
 this.something3 = something3;
 

 public async Task<IActionResult> TriggerMe()
 ...
 

RecurringJob.AddOrUpdate(
() => // trigger the TriggerMe() controller method ,
Cron.Daily);

share|improve this question

asked Mar 25 at 11:41

AppleCiderYummyAppleCiderYummy

821010 bronze badges

share|improve this question

asked Mar 25 at 11:41

AppleCiderYummyAppleCiderYummy

821010 bronze badges

asked Mar 25 at 11:41

AppleCiderYummyAppleCiderYummy

821010 bronze badges

asked Mar 25 at 11:41

AppleCiderYummyAppleCiderYummy

821010 bronze badges

1 Answer
1

active

oldest

votes

0

UPDATE

As the Rotavita is tightly coupled with controllers,views etc. I'd recommend solving this problem in two steps

1. Generate HTML from a view (for reporting/email purposes separate out that view from normal ones) using RazorEngine, you'd only need the view/template path and the model (containing values to be rendered)


2. Use the HTML to generate a PDF using wkhtmltopdf (Rotavita uses this lib under the hood)

Original

As invoking a controller instance is a process done by the framework and it shouldn't be invoked or called by cron jobs.

For your problem, you just need to add the reference to the method or delegate. Assuming that you're going to move your code to some other class.

var instance=new Foo();
RecurringJob.AddOrUpdate(() => instance.DoSomething,Cron.Daily);

and the Foo class

public class Foo

 public void DoSomething()
 
 //your code
 

share|improve this answer

edited Mar 25 at 13:04

answered Mar 25 at 11:58

AarifAarif

61277 silver badges1818 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  you don't get my question
  
  – AppleCiderYummy
  Mar 25 at 11:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It's a Controller class with multiple dependency injections
  
  – AppleCiderYummy
  Mar 25 at 11:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  There's no problem with normal class, but the problem is when you have controller class with dependency injecitons
  
  – AppleCiderYummy
  Mar 25 at 12:00
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  as I said, something like that shouldn't be done by cron jobs
  
  – Aarif
  Mar 25 at 12:00
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  "something like that shouldn't be done by cron jobs" - why not?
  
  – ColinM
  Mar 25 at 13:52
  

  
  
  
  

 | 
show 2 more comments

Your Answer

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0

UPDATE

As the Rotavita is tightly coupled with controllers,views etc. I'd recommend solving this problem in two steps

1. Generate HTML from a view (for reporting/email purposes separate out that view from normal ones) using RazorEngine, you'd only need the view/template path and the model (containing values to be rendered)


2. Use the HTML to generate a PDF using wkhtmltopdf (Rotavita uses this lib under the hood)

Original

As invoking a controller instance is a process done by the framework and it shouldn't be invoked or called by cron jobs.

For your problem, you just need to add the reference to the method or delegate. Assuming that you're going to move your code to some other class.

var instance=new Foo();
RecurringJob.AddOrUpdate(() => instance.DoSomething,Cron.Daily);

and the Foo class

public class Foo

 public void DoSomething()
 
 //your code
 

share|improve this answer

edited Mar 25 at 13:04

answered Mar 25 at 11:58

AarifAarif

61277 silver badges1818 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  you don't get my question
  
  – AppleCiderYummy
  Mar 25 at 11:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It's a Controller class with multiple dependency injections
  
  – AppleCiderYummy
  Mar 25 at 11:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  There's no problem with normal class, but the problem is when you have controller class with dependency injecitons
  
  – AppleCiderYummy
  Mar 25 at 12:00
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  as I said, something like that shouldn't be done by cron jobs
  
  – Aarif
  Mar 25 at 12:00
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  "something like that shouldn't be done by cron jobs" - why not?
  
  – ColinM
  Mar 25 at 13:52
  

  
  
  
  

 | 
show 2 more comments

0

UPDATE

As the Rotavita is tightly coupled with controllers,views etc. I'd recommend solving this problem in two steps

1. Generate HTML from a view (for reporting/email purposes separate out that view from normal ones) using RazorEngine, you'd only need the view/template path and the model (containing values to be rendered)


2. Use the HTML to generate a PDF using wkhtmltopdf (Rotavita uses this lib under the hood)

Original

As invoking a controller instance is a process done by the framework and it shouldn't be invoked or called by cron jobs.

For your problem, you just need to add the reference to the method or delegate. Assuming that you're going to move your code to some other class.

var instance=new Foo();
RecurringJob.AddOrUpdate(() => instance.DoSomething,Cron.Daily);

and the Foo class

public class Foo

 public void DoSomething()
 
 //your code
 

share|improve this answer

edited Mar 25 at 13:04

answered Mar 25 at 11:58

AarifAarif

61277 silver badges1818 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  you don't get my question
  
  – AppleCiderYummy
  Mar 25 at 11:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It's a Controller class with multiple dependency injections
  
  – AppleCiderYummy
  Mar 25 at 11:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  There's no problem with normal class, but the problem is when you have controller class with dependency injecitons
  
  – AppleCiderYummy
  Mar 25 at 12:00
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  as I said, something like that shouldn't be done by cron jobs
  
  – Aarif
  Mar 25 at 12:00
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  "something like that shouldn't be done by cron jobs" - why not?
  
  – ColinM
  Mar 25 at 13:52
  

  
  
  
  

 | 
show 2 more comments

UPDATE

As the Rotavita is tightly coupled with controllers,views etc. I'd recommend solving this problem in two steps

1. Generate HTML from a view (for reporting/email purposes separate out that view from normal ones) using RazorEngine, you'd only need the view/template path and the model (containing values to be rendered)


2. Use the HTML to generate a PDF using wkhtmltopdf (Rotavita uses this lib under the hood)

Original

As invoking a controller instance is a process done by the framework and it shouldn't be invoked or called by cron jobs.

For your problem, you just need to add the reference to the method or delegate. Assuming that you're going to move your code to some other class.

var instance=new Foo();
RecurringJob.AddOrUpdate(() => instance.DoSomething,Cron.Daily);

and the Foo class

public class Foo

 public void DoSomething()
 
 //your code
 

share|improve this answer

edited Mar 25 at 13:04

answered Mar 25 at 11:58

AarifAarif

61277 silver badges1818 bronze badges

var instance=new Foo();
RecurringJob.AddOrUpdate(() => instance.DoSomething,Cron.Daily);

public class Foo

 public void DoSomething()
 
 //your code
 

share|improve this answer

edited Mar 25 at 13:04

answered Mar 25 at 11:58

AarifAarif

61277 silver badges1818 bronze badges

answered Mar 25 at 11:58

AarifAarif

61277 silver badges1818 bronze badges

answered Mar 25 at 11:58

AarifAarif

61277 silver badges1818 bronze badges