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DifferentialGetCommitMessageConduitAPIMethod.php
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Created
Thu, Nov 28, 21:26

DifferentialGetCommitMessageConduitAPIMethod.php
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<?php
final class DifferentialGetCommitMessageConduitAPIMethod
extends DifferentialConduitAPIMethod {
public function getAPIMethodName() {
return 'differential.getcommitmessage';
}
public function getMethodDescription() {
return pht('Retrieve Differential commit messages or message templates.');
}
protected function defineParamTypes() {
$edit_types = array('edit', 'create');
return array(
'revision_id' => 'optional revision_id',
'fields' => 'optional dict<string, wild>',
'edit' => 'optional '.$this->formatStringConstants($edit_types),
);
}
protected function defineReturnType() {
return 'nonempty string';
}
protected function defineErrorTypes() {
return array(
'ERR_NOT_FOUND' => pht('Revision was not found.'),
);
}
protected function execute(ConduitAPIRequest $request) {
$id = $request->getValue('revision_id');
$viewer = $request->getUser();
if ($id) {
$revision = id(new DifferentialRevisionQuery())
->withIDs(array($id))
->setViewer($viewer)
->needReviewerStatus(true)
->needActiveDiffs(true)
->executeOne();
if (!$revision) {
throw new ConduitException('ERR_NOT_FOUND');
}
} else {
$revision = DifferentialRevision::initializeNewRevision($viewer);
$revision->attachReviewerStatus(array());
$revision->attachActiveDiff(null);
}
$is_edit = $request->getValue('edit');
$is_create = ($is_edit == 'create');
$field_list = PhabricatorCustomField::getObjectFields(
$revision,
($is_edit
? DifferentialCustomField::ROLE_COMMITMESSAGEEDIT
: DifferentialCustomField::ROLE_COMMITMESSAGE));
$field_list
->setViewer($viewer)
->readFieldsFromStorage($revision);
$field_map = mpull($field_list->getFields(), null, 'getFieldKeyForConduit');
if ($is_edit) {
$fields = $request->getValue('fields', array());
foreach ($fields as $field => $value) {
$custom_field = idx($field_map, $field);
if (!$custom_field) {
// Just ignore this, these workflows don't make strong distictions
// about field editability on the client side.
continue;
}
if ($is_create ||
$custom_field->shouldOverwriteWhenCommitMessageIsEdited()) {
$custom_field->readValueFromCommitMessage($value);
}
}
}
$phids = array();
foreach ($field_list->getFields() as $key => $field) {
$field_phids = $field->getRequiredHandlePHIDsForCommitMessage();
if (!is_array($field_phids)) {
throw new Exception(
pht(
'Custom field "%s" was expected to return an array of handle '.
'PHIDs required for commit message rendering, but returned "%s" '.
'instead.',
$field->getFieldKey(),
gettype($field_phids)));
}
$phids[$key] = $field_phids;
}
$all_phids = array_mergev($phids);
if ($all_phids) {
$all_handles = id(new PhabricatorHandleQuery())
->setViewer($viewer)
->withPHIDs($all_phids)
->execute();
} else {
$all_handles = array();
}
$key_title = id(new DifferentialTitleField())->getFieldKey();
$default_title = DifferentialTitleField::getDefaultTitle();
$commit_message = array();
foreach ($field_list->getFields() as $key => $field) {
$handles = array_select_keys($all_handles, $phids[$key]);
$label = $field->renderCommitMessageLabel();
$value = $field->renderCommitMessageValue($handles);
if (!is_string($value) && !is_null($value)) {
throw new Exception(
pht(
'Custom field "%s" was expected to render a string or null value, '.
'but rendered a "%s" instead.',
$field->getFieldKey(),
gettype($value)));
}
$is_title = ($key == $key_title);
if (!strlen($value)) {
if ($is_title) {
$commit_message[] = $default_title;
} else {
if ($is_edit && $field->shouldAppearInCommitMessageTemplate()) {
$commit_message[] = $label.': ';
}
}
} else {
if ($is_title) {
$commit_message[] = $value;
} else {
$value = str_replace(
array("\r\n", "\r"),
array("\n", "\n"),
$value);
if (strpos($value, "\n") !== false || substr($value, 0, 2) === ' ') {
$commit_message[] = "{$label}:\n{$value}";
} else {
$commit_message[] = "{$label}: {$value}";
}
}
}
}
if ($is_edit) {
$tip = $this->getProTip($field_list);
if ($tip !== null) {
$commit_message[] = "\n".$tip;
}
}
$commit_message = implode("\n\n", $commit_message);
return $commit_message;
}
private function getProTip() {
// Any field can provide tips, whether it normally appears on commit
// messages or not.
$field_list = PhabricatorCustomField::getObjectFields(
new DifferentialRevision(),
PhabricatorCustomField::ROLE_DEFAULT);
$tips = array();
foreach ($field_list->getFields() as $key => $field) {
$tips[] = $field->getProTips();
}
$tips = array_mergev($tips);
if (!$tips) {
return null;
}
shuffle($tips);
$tip = pht('Tip: %s', head($tips));
$tip = wordwrap($tip, 78, "\n", true);
$lines = explode("\n", $tip);
foreach ($lines as $key => $line) {
$lines[$key] = '# '.$line;
}
return implode("\n", $lines);
}
}

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