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Optimistically continue with empty data when user data for global styles is not a JSON#30088

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oandregal merged 2 commits intotrunkfrom
fix/error-decoding-user-data
Mar 23, 2021
Merged

Optimistically continue with empty data when user data for global styles is not a JSON#30088
oandregal merged 2 commits intotrunkfrom
fix/error-decoding-user-data

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@oandregal
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We store user data in the database as a JSON. If, for any reason, the data is corrupted and no longer is in a JSON format, there's an error that prevent the front-end, and editors from loading.

This PR fixes that by logging the error but continuing assuming user data is empty, both in the server and client (site-editor).

How to test

  • Using the trunk branch and tt1-blocks theme, load the site editor and make some changes via the global styles sidebar (ex: set the background color to red). This makes sure there's a CPT holding user data in the database.
  • Load this PR.
  • Go to the database and edit the CPT for the user data that matches the theme in use (post_name = wp-global-styles-tt1-blocks). Edit the contents of the post_content so it's not a JSON: for example, substitute them by the string this is not a json.
  • Go to the front-end of the site, verify that it works (without the user data changes).
  • Go to the editors (post, site) and verify that they load (without the user data changes).

Before this PR the front-end and editor will show an error and won't load.

@oandregal oandregal requested a review from spacedmonkey as a code owner March 22, 2021 12:07
@oandregal oandregal self-assigned this Mar 22, 2021
@oandregal oandregal added [Type] Bug An existing feature does not function as intended Global Styles Anything related to the broader Global Styles efforts, including Styles Engine and theme.json labels Mar 22, 2021
@oandregal oandregal requested a review from jeyip March 22, 2021 12:07
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Size Change: +46 B (0%)

Total Size: 1.41 MB

Filename Size Change
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ℹ️ View Unchanged
Filename Size Change
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compressed-size-action

@jeyip
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jeyip commented Mar 23, 2021

Testing

Requirements

  • Front-end still loads when global styles CPT content is malformed
  • Site Editor still loads when global styles CPT content is malformed
  • Post Editor still loads when global styles CPT content is malformed

Browsers

  • Chrome
  • Edge
  • Firefox
  • Safari

Notes:

  • When I modify the CPT in the database and create malformed JSON content, the site editor, post editor, and frontend still load correctly. However, if I return to the site editor, select new global styles, and save the changes, I see a new CPT in the database that has what looks like an unexpected post-name. Not sure if that's concerning or expected. Thoughts @nosolosw?

Screen Shot 2021-03-22 at 5 50 19 PM

@jeyip
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jeyip commented Mar 23, 2021

+1 whenever questions are addressed

@oandregal
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If you take a look at the post_type of wp-global-styles-tt1-blocks is going to be of type global-styles. The post type of 10-revision-v1 is going to be of type revision. We don't use revisions currently, and it's unrelated to these changes. I've created #30132 to track how/whether we can prevent the revisions from being created.

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I've created #30133 to avoid creating revisions.

@oandregal oandregal merged commit 0ba8628 into trunk Mar 23, 2021
@oandregal oandregal deleted the fix/error-decoding-user-data branch March 23, 2021 17:38
@github-actions github-actions bot added this to the Gutenberg 10.3 milestone Mar 23, 2021
@oandregal oandregal mentioned this pull request Mar 24, 2021
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