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MDL-77770 gradereport_user: fix errors when no users to navigate.

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This commit is contained in:
Paul Holden 2023-03-29 17:59:32 +01:00
parent f8e2445513
commit eb12428324
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1 changed files with 6 additions and 0 deletions
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6
grade/report/user/renderer.php
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@ -142,6 +142,7 @@ class gradereport_user_renderer extends plugin_renderer_base {
$navigationdata = [];
$users = [];
while ($userdata = $gui->next_user()) {
$users[$userdata->user->id] = $userdata->user;
}
@ -150,6 +151,11 @@ class gradereport_user_renderer extends plugin_renderer_base {
$arraykeys = array_keys($users);
$keynumber = array_search($userid, $arraykeys);
// Without a valid user or users list, there's nothing to render.
if ($keynumber === false) {
return '';
}
// Determine directionality so that icons can be modified to suit language.
$previousarrow = right_to_left() ? 'right' : 'left';
$nextarrow = right_to_left() ? 'left' : 'right';