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Made YammerImport more robust against errors; can now pause/resume/reset the import state from the admin interface.

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This commit is contained in:
Brion Vibber 2010-09-28 15:45:00 -07:00
parent c62e4d0800
commit 62d9b66dff
7 changed files with 113 additions and 16 deletions
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13
plugins/YammerImport/actions/yammeradminpanel.php
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@ -73,6 +73,7 @@ class YammeradminpanelAction extends AdminPanelAction
{
// @fixme move this to saveSettings and friends?
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
StatusNet::setApi(true); // short error pages :P
$this->checkSessionToken();
if ($this->subaction == 'change-apikey') {
$form = new YammerApiKeyForm($this);
@ -97,6 +98,18 @@ class YammeradminpanelAction extends AdminPanelAction
$this->runner->startBackgroundImport();
$form = new YammerProgressForm($this, $this->runner);
} else if ($this->subaction == 'pause-import') {
$this->runner->recordError(_m('Paused from admin panel.'));
$form = $this->statusForm();
} else if ($this->subaction == 'continue-import') {
$this->runner->clearError();
$this->runner->startBackgroundImport();
$form = $this->statusForm();
} else if ($this->subaction == 'abort-import') {
$this->runner->reset();
$form = $this->statusForm();
} else if ($this->subaction == 'progress') {
$form = $this->statusForm();
} else {
throw new ClientException('Invalid POST');
}

3
plugins/YammerImport/classes/Yammer_state.php
View File

@ -36,6 +36,7 @@ class Yammer_state extends Memcached_DataObject
public $__table = 'yammer_state'; // table name
public $id; // int primary_key not_null
public $state; // import state key
public $last_error; // text of last-encountered error, if any
public $oauth_token; // actual oauth token! clear when import is done?
public $oauth_secret; // actual oauth secret! clear when import is done?
public $users_page; // last page of users we've fetched
@ -70,6 +71,7 @@ class Yammer_state extends Memcached_DataObject
return array(new ColumnDef('id', 'int', null,
false, 'PRI'),
new ColumnDef('state', 'text'),
new ColumnDef('last_error', 'text'),
new ColumnDef('oauth_token', 'text'),
new ColumnDef('oauth_secret', 'text'),
new ColumnDef('users_page', 'int'),
@ -93,6 +95,7 @@ class Yammer_state extends Memcached_DataObject
{
return array('id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
'state' => DB_DATAOBJECT_STR,
'last_error' => DB_DATAOBJECT_STR,
'oauth_token' => DB_DATAOBJECT_STR,
'oauth_secret' => DB_DATAOBJECT_STR,
'users_page' => DB_DATAOBJECT_INT,

6
plugins/YammerImport/css/admin.css
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@ -53,3 +53,9 @@
.magiclink {
margin-left: 40px;
}
fieldset.import-error {
margin-top: 12px;
margin-bottom: 0px !important;
background-color: #fee !important;
}

1
plugins/YammerImport/lib/yammerimporter.php
View File

@ -132,6 +132,7 @@ class YammerImporter
if ($noticeId) {
return Notice::staticGet('id', $noticeId);
} else {
$notice = Notice::staticGet('uri', $data['options']['uri']);
$content = $data['content'];
$user = User::staticGet($data['profile']);

39
plugins/YammerImport/lib/yammerprogressform.php
View File

@ -9,7 +9,7 @@ class YammerProgressForm extends Form
*/
function id()
{
return 'yammer-progress';
return 'yammer-progress-form';
}
/**
@ -39,8 +39,11 @@ class YammerProgressForm extends Form
*/
function formData()
{
$this->out->hidden('subaction', 'progress');
$runner = YammerRunner::init();
$error = $runner->lastError();
$userCount = $runner->countUsers();
$groupCount = $runner->countGroups();
$fetchedCount = $runner->countFetchedNotices();
@ -86,7 +89,13 @@ class YammerProgressForm extends Form
$steps = array_keys($labels);
$currentStep = array_search($runner->state(), $steps);
$this->out->elementStart('fieldset', array('class' => 'yammer-import'));
$classes = array('yammer-import');
if ($error) {
$classes[] = 'yammer-error';
} else {
$classes[] = 'yammer-running';
}
$this->out->elementStart('fieldset', array('class' => implode(' ', $classes)));
$this->out->element('legend', array(), _m('Import status'));
foreach ($steps as $step => $state) {
if ($state == 'init') {
@ -104,7 +113,8 @@ class YammerProgressForm extends Form
$this->progressBar($state,
'progress',
$labels[$state]['label'],
$labels[$state]['progress']);
$labels[$state]['progress'],
$error);
} else {
// This step has not yet been done.
$this->progressBar($state,
@ -116,13 +126,34 @@ class YammerProgressForm extends Form
$this->out->elementEnd('fieldset');
}
private function progressBar($state, $class, $label, $status)
private function progressBar($state, $class, $label, $status, $error=null)
{
// @fixme prettify ;)
$this->out->elementStart('div', array('class' => "import-step import-step-$state $class"));
$this->out->element('div', array('class' => 'import-label'), $label);
$this->out->element('div', array('class' => 'import-status'), $status);
if ($class == 'progress') {
if ($state == 'done') {
$this->out->submit('abort-import', _m('Reset import state'));
} else {
if ($error) {
$this->errorBox($error);
} else {
$this->out->submit('pause-import', _m('Pause import'));
}
}
}
$this->out->elementEnd('div');
}
private function errorBox($msg)
{
$errline = sprintf(_m('Encountered error "%s"'), $msg);
$this->out->elementStart('fieldset', array('class' => 'import-error'));
$this->out->element('legend', array(), _m('Paused'));
$this->out->element('p', array(), $errline);
$this->out->submit('continue-import', _m('Continue'));
$this->out->submit('abort-import', _m('Abort import'));
$this->out->elementEnd('fieldset');
}
}

15
plugins/YammerImport/lib/yammerqueuehandler.php
View File

@ -38,21 +38,24 @@ class YammerQueueHandler extends QueueHandler
{
$runner = YammerRunner::init();
if ($runner->hasWork()) {
try {
if ($runner->iterate()) {
if ($runner->hasWork()) {
// More to do? Shove us back on the queue...
$runner->startBackgroundImport();
}
return true;
} else {
// Something failed?
// @fixme should we be trying again here, or should we give warning?
return false;
}
} catch (Exception $e) {
try {
$runner->recordError($e->getMessage());
} catch (Exception $f) {
common_log(LOG_ERR, "Error while recording error in Yammer background import: " . $e->getMessage() . " " . $f->getMessage());
}
}
} else {
// We're done!
common_log(LOG_INFO, "Yammer import has no work to do at this time; discarding.");
}
return true;
}
}
}

40
plugins/YammerImport/lib/yammerrunner.php
View File

@ -298,7 +298,10 @@ class YammerRunner
$this->state->state = 'save-messages';
} else {
foreach ($messages as $item) {
$stub = Yammer_notice_stub::staticGet($item['id']);
if (!$stub) {
Yammer_notice_stub::record($item['id'], $item);
}
$oldest = $item['id'];
}
$this->state->messages_oldest = $oldest;
@ -395,4 +398,41 @@ class YammerRunner
$qm->enqueue('YammerImport', 'yammer');
}
/**
* Record an error condition from a background run, which we should
* display in progress state for the admin.
*
* @param string $msg
*/
public function recordError($msg)
{
// HACK HACK HACK
try {
$temp = new Yammer_state();
$temp->query('ROLLBACK');
} catch (Exception $e) {
common_log(LOG_ERR, 'Exception while confirming rollback while recording error: ' . $e->getMessage());
}
$old = clone($this->state);
$this->state->last_error = $msg;
$this->state->update($old);
}
/**
* Clear the error state.
*/
public function clearError()
{
$this->recordError('');
}
/**
* Get the last recorded background error message, if any.
*
* @return string
*/
public function lastError()
{
return $this->state->last_error;
}
}