[wp-trac] [WordPress Trac] #37799: Add progress indicator to "Upgrade Network" page

[WordPress Trac]

#37799: Add progress indicator to "Upgrade Network" page
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 Reporter:  johnjamesjacoby                      |       Owner:
     Type:  enhancement                          |      Status:  new
 Priority:  normal                               |   Milestone:  4.8
Component:  Networks and Sites                   |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  good-first-bug needs-screenshots     |     Focuses:  multisite
  has-ui-feedback needs-patch                    |
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Comment (by pcarvalho):

 Hi everyone, I took @gma992 patch and the other ideas to improve it:

 Initial screen now says how many sites are.

 During the upgrades, it shows which batch is currently being processed and
 the total.

 Final message says it has no more sites to process ( "No more sites
 found." ) and the count of sites upgraded. This number is just the
 iterator, because if an error occurs, it wp_die(), and won't proceed
 anymore.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37799#comment:10>
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