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don't throw BadMethodCallException on diffs that add images

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Summary:
I don't know if there is something more sinister going on
under the covers, but we have a couple of diffs that trigger:

Unhandled Exception ("BadMethodCallException")
Call to a member function getMetadata() on a non-object

when the diff page is handling its async render calls.  One diff
in particular has multiple image adds and thus has a stack of of these
error dialogs to close.

This isn't a new regression, we just haven't gotten around to debugging
it until now (reported on 6/12)

One revision that triggers it has two diffs.  If I show Base -> Diff 1
I don't hit the error.  When I select Base -> Diff 2, or Diff 1 -> Diff
2, the error triggers.

I don't understand what this means, but this diff avoids the null object
reference that causes the exception.

Test Plan:
Load the offending diff, don't hit the error. The diff loads
the images that were added

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6851
This commit is contained in:
Wez Furlong 2013-08-30 08:15:10 -07:00
parent 34356c7154
commit 11f1268e99
1 changed files with 12 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/applications/differential/parser/DifferentialChangesetParser.php
View file

@ -825,13 +825,21 @@ final class DifferentialChangesetParser {
$new_phid = idx($metadata, 'new:binary-phid');
} else {
$vs_changeset = id(new DifferentialChangeset())->load($vs);
$old_phid = null;
$new_phid = null;
// TODO: This is spooky, see D6851
if ($vs_changeset) {
$vs_metadata = $vs_changeset->getMetadata();
$old_phid = idx($vs_metadata, 'new:binary-phid');
}
$changeset = id(new DifferentialChangeset())->load($id);
if ($changeset) {
$metadata = $changeset->getMetadata();
$new_phid = idx($metadata, 'new:binary-phid');
}
}
if ($old_phid || $new_phid) {
// grab the files, (micro) optimization for 1 query not 2