Service: Image gallery must correspond one-to-one with images displayed on page (in order and visibility).
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Description

Expected:
When using gallery view, the order of the images in the gallery is the same as the order of the images in the article

Actual:

Image order is different from the article
Not all images that appear in the article are always shown in gallery (see merged T124239)
Images that do not appear in the article are shown in the gallery (see video of bug at https://youtu.be/m_j-pBWHXIs occurring on the Tropical Storm Brenda 1960 article)

Add image ordering to apps content service, and use it in image gallery, so that images are always in order in the gallery.
Probably need to break up division of videos and images in the media object.

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Status	Assigned	Task
Resolved	None	T169242 Develop Page Content Service for Reading Clients
Resolved	None	T177425 Develop General Layer of PCS
Resolved	• Jhernandez	T177426 Develop structured JSON APIs for general consumption
Resolved	• Mholloway	T177430 Develop a Media JSON API
Duplicate	None	T97194 Clicking on File:Stone of scone replica 170609.jpg does not allow to flip forward in the Image Gallery
Resolved	• Mholloway	T86954 Service: Image gallery must correspond one-to-one with images displayed on page (in order and visibility).

Event Timeline

• Deskana created this task.Jan 15 2015, 8:02 PM

• Deskana raised the priority of this task from to Needs Triage.

• Deskana updated the task description. (Show Details)

• Deskana added a project: Wikipedia-Android-App-Backlog.

• Deskana subscribed.

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJan 15 2015, 8:02 PM

Hmm, we're displaying the images in the order that the API gives to us. Ideally the API should return them in the correct order. (I'd like to avoid resorting to scrape the HTML for the correct order of the images)

@Deskana do you know who we should escalate this to? Looks like an API problem, not necessarily an app problem.

• Deskana renamed this task from Images are out of order in gallery view to Add image ordering to apps content service, and use it in image gallery, so that images are always in order in the gallery.Mar 16 2015, 9:29 PM

• Deskana merged a task: T87622: Page image gallery starts in the middle, difficult to see all images.

• Deskana updated the task description. (Show Details)

• Deskana set Security to None.

• Deskana moved this task from Needs Triage to Tech Debt Backlog on the Wikipedia-Android-App-Backlog board.

• Deskana added a subscriber: • marcoil.

• KLans_WMF added a parent task: T97194: Clicking on File:Stone of scone replica 170609.jpg does not allow to flip forward in the Image Gallery .Apr 27 2015, 9:27 PM

• bearND added a project: Mobile-Content-Service.Jun 27 2015, 7:17 PM

• Mholloway subscribed.Jul 13 2015, 3:50 PM

• bearND moved this task from Incoming to Backlog on the Mobile-Content-Service board.Jul 14 2015, 12:37 AM

• Mholloway mentioned this in T104096: Image gallery order unexpected.Jul 21 2015, 3:36 PM

@Dbrant Given how pages are stored I'm not sure there's any way around scraping the HTML. That's essentially what the MultimediaViewer extension is doing on desktop/mobile web (with jQuery):

https://github.com/wikimedia/mediawiki-extensions-MultimediaViewer/blob/master/resources/mmv/mmv.bootstrap.js#L65

Any chance we can raise the priority of this issue? It's like a pretty bad issue.

• bearND triaged this task as Medium priority.Aug 12 2015, 2:17 AM

• bearND raised the priority of this task from Medium to High.

• bearND updated the task description. (Show Details)

• bearND renamed this task from Add image ordering to apps content service, and use it in image gallery, so that images are always in order in the gallery to Service: order images and videos by appearance in page.Aug 12 2015, 2:27 AM

• bearND lowered the priority of this task from High to Low.Aug 14 2015, 5:12 PM

• bearND mentioned this in T109105: Service: Flatten media structure.

• bearND added a subtask: T103370: Set up I18N for this service.Sep 1 2015, 11:10 PM

• bearND removed a subtask: T103370: Set up I18N for this service.

Also consider not including images which don't appear on mobile. T114939

Dbrant moved this task from Tech Debt Backlog to Tracking on the Wikipedia-Android-App-Backlog board.Dec 10 2015, 3:55 PM

Dbrant renamed this task from Service: order images and videos by appearance in page to Service: Image gallery must correspond one-to-one with images displayed on page (in order and visibility)..Dec 10 2015, 6:43 PM