Rerunning Default on Redirect

Question

I am investigating a bug within one of our extensions, and something came up I don't have knowledge of.

If user navigates to a previous template page in an extension - usually through a <a href=#default> tag - is the router for the page they return to run again? Or does it just display whatever was in memory?

To better elaborate, the extension I'm working on allows payments to be skipped on specific loans. These loans are pulled through a core call and displayed - ignoring loans that have already been skipped. If the skip process is carried out, and then the user returns to the default page after being redirected to the submit page, would it make that core call again?

		
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	2 years ago

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					Tanner Yea
				
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Trey Teter · Answer

Hello Tanner I would recommend caching that core call if you are concerned of them hitting it multiple times Caching it will give you better control of when it needs to be called I do recommend using a self session cache To answer your question if the frontend via a href tag or a javascript call submits to the backend then the router will run that method for that page again It will only display what was in memory if you cache something explicitely and return it Note sandbox will work the same as PTE and Production so you should be able to test this flow in your sandbox environment It would be an interesting idea to add some sort of decorator that will cache a whole route That would be useful in something like a widget Trey

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