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phab/src/applications/differential/conduit/DifferentialGetCommitMessageConduitAPIMethod.php
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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($viewer)
->needReviewers(true)
->needActiveDiffs(true)
->executeOne();
if (!$revision) {
throw new ConduitException('ERR_NOT_FOUND');
}
} else {
$revision = DifferentialRevision::initializeNewRevision($viewer);
}
// There are three modes here: "edit", "create", and "read" (which has
// no value for the "edit" parameter).
// In edit or create mode, we hide read-only fields. In create mode, we
// show "Field:" templates for some fields even if they are empty.
$edit_mode = $request->getValue('edit');
$is_any_edit = (bool)strlen($edit_mode);
$is_create = ($edit_mode == 'create');
$field_list = DifferentialCommitMessageField::newEnabledFields($viewer);
$custom_storage = $this->loadCustomFieldStorage($viewer, $revision);
foreach ($field_list as $field) {
$field->setCustomFieldStorage($custom_storage);
}
// If we're editing the message, remove fields like "Conflicts" and
// "git-svn-id" which should not be presented to the user for editing.
if ($is_any_edit) {
foreach ($field_list as $field_key => $field) {
if (!$field->isFieldEditable()) {
unset($field_list[$field_key]);
}
}
}
$overrides = $request->getValue('fields', array());
$value_map = array();
foreach ($field_list as $field_key => $field) {
if (array_key_exists($field_key, $overrides)) {
$field_value = $overrides[$field_key];
} else {
$field_value = $field->readFieldValueFromObject($revision);
}
// We're calling this method on the value no matter where we got it
// from, so we hit the same validation logic for values which came over
// the wire and which we generated.
$field_value = $field->readFieldValueFromConduit($field_value);
$value_map[$field_key] = $field_value;
}
$key_title = DifferentialTitleCommitMessageField::FIELDKEY;
$commit_message = array();
foreach ($field_list as $field_key => $field) {
$label = $field->getFieldName();
$wire_value = $value_map[$field_key];
$value = $field->renderFieldValue($wire_value);
$is_template = ($is_create && $field->isTemplateField());
if (!is_string($value) && !is_null($value)) {
throw new Exception(
pht(
'Commit message field "%s" was expected to render a string or '.
'null value, but rendered a "%s" instead.',
$field->getFieldKey(),
gettype($value)));
}
$is_title = ($field_key == $key_title);
if (!strlen($value)) {
if ($is_template) {
$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}";
}
}
}
}
return implode("\n\n", $commit_message);
}
private function loadCustomFieldStorage(
PhabricatorUser $viewer,
DifferentialRevision $revision) {
$custom_field_list = PhabricatorCustomField::getObjectFields(
$revision,
PhabricatorCustomField::ROLE_STORAGE);
$custom_field_list
->setViewer($viewer)
->readFieldsFromStorage($revision);
$custom_field_map = array();
foreach ($custom_field_list->getFields() as $custom_field) {
if (!$custom_field->shouldUseStorage()) {
continue;
}
$custom_field_key = $custom_field->getFieldKey();
$custom_field_value = $custom_field->getValueForStorage();
$custom_field_map[$custom_field_key] = $custom_field_value;
}
return $custom_field_map;
}
}
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