Display error message and instrument when PDF download fails on mobile
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	ovasileva
	Oct 2 2017, 1:46 PM

Description

Background

If an error occurs during PDF rendering that will cause the rendering to fail, we want to inform users so that they can try their download again.

Flow:

User selects download button
PDF rendering fails
System displays error message

Acceptance criteria

Display toast message to user when rendering has failed
text: "There was a problem creating your PDF. Please try again."
Instrument the number of toast messages appearing to get:
number of errors displayed per day
number of error displayed per month

Related Objects
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Status	Assigned	Task
Resolved	ovasileva	T181079 [GOAL] Provide an expanded reading experience by improving the ways that users can download articles of interest for later consumption
Open	None	T158181 Aim for workflow equivalence for MediaWiki on desktop and mobile web
Resolved	ovasileva	T163472 [EPIC] Provide a way to download articles in PDF on the mobile website
Declined	None	T177217 Display error message and instrument when PDF download fails on mobile

Event Timeline

ovasileva created this task.Oct 2 2017, 1:46 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptOct 2 2017, 1:46 PM

ovasileva moved this task from Incoming to Upcoming on the Web-Team-Backlog board.Oct 2 2017, 1:59 PM

A good service should never fail. Downloading a PDF is going to take considerably long. What's the workflow here @Nirzar ? We should work out the success case as well as the error case? How are we going to make sure people do not accidentally attempt to download more than one PDF?

In T177217#3652390, @Jdlrobson wrote:

A good service should never fail. Downloading a PDF is going to take considerably long. What's the workflow here @Nirzar ? We should work out the success case as well as the error case? How are we going to make sure people do not accidentally attempt to download more than one PDF?

I'm no Nirzar, but I'd like to point out that this task is pretty well defined and the above questions belong to T163472: [EPIC] Provide a way to download articles in PDF on the mobile website.

Now that we will most likely be using the browser print - will we know when we have an error?

We're taking a different approach with T177215 (see T177215#3663123 onwards).

Display error message and instrument when PDF download fails on mobileClosed, DeclinedPublicActions