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MDL-39692 grade: Little code clean up of letter boundary deletion

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This commit is contained in:
Frederic Massart 2014-11-10 12:59:59 +08:00
parent 1d693611e5
commit b53a658b26
1 changed files with 11 additions and 13 deletions
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24
grade/edit/letter/index.php
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@ -146,10 +146,10 @@ if (!$edit) {
if ($letter == '') {
continue;
}
$boundary = floatval($data->$gradeboundaryname);
$boundary = floatval($data->$gradeboundaryname);
if ($boundary < 0 || $boundary > 100) {
continue; // skip if out of range
continue; // Skip if out of range.
}
// The keys need to be strings so floats are not truncated.
@ -160,7 +160,7 @@ if (!$edit) {
$pool = array();
if ($records = $DB->get_records('grade_letters', array('contextid' => $context->id), 'lowerboundary ASC')) {
foreach ($records as $r) {
// will re-use the lowerboundary to avoid duplicate during the update process
// Will re-use the lowerboundary to avoid duplicate during the update process.
$pool[number_format($r->lowerboundary, 5)] = $r;
}
}
@ -171,27 +171,25 @@ if (!$edit) {
$record->lowerboundary = $boundary;
$record->contextid = $context->id;
// re-use the existing boundary to avoid key constraint
if (isset($pool[$boundary])) {
// skip if the letter has been assigned to the boundary already
if ($letter == $pool[$boundary]->letter) {
unset($pool[$boundary]); // take it out of the pool
}
else {
// Re-use the existing boundary to avoid key constraint.
if ($letter != $pool[$boundary]->letter) {
// The letter has been assigned to another boundary, we update it.
$record->id = $pool[$boundary]->id;
$DB->update_record('grade_letters', $record);
unset($pool[$boundary]); // remove the ID from the pool
}
}
else if ($candidate = array_pop($pool)) {
unset($pool[$boundary]); // Remove the letter from the pool.
} else if ($candidate = array_pop($pool)) {
// The boundary is new, we update a random record from the pool.
$record->id = $candidate->id;
$DB->update_record('grade_letters', $record);
} else {
// No records were found, this must be a new letter.
$DB->insert_record('grade_letters', $record);
}
}
// delete the unused records
// Delete the unused records.
foreach($pool as $leftover) {
$DB->delete_records('grade_letters', array('id' => $leftover->id));
}