File Source for newsfeed.php

<?php
/**
* @package Joomla.Administrator
* @subpackage com_newsfeeds
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
JLoader::register('NewsfeedsHelper', JPATH_ADMINISTRATOR . '/components/com_newsfeeds/helpers/newsfeeds.php');
/**
* Newsfeed model.
*
* @package Joomla.Administrator
* @subpackage com_newsfeeds
* @since 1.6
*/
class NewsfeedsModelNewsfeed extends JModelAdmin
{
/**
* The type alias for this content type.
*
* @var string
* @since 3.2
*/
public $typeAlias = 'com_newsfeeds.newsfeed';
/**
* @var string The prefix to use with controller messages.
* @since 1.6
*/
protected $text_prefix = 'COM_NEWSFEEDS';
/**
* Batch copy items to a new category or current.
*
* @param integer $value The new category.
* @param array $pks An array of row IDs.
* @param array $contexts An array of item contexts.
*
* @return mixed An array of new IDs on success, boolean false on failure.
*
* @since 11.1
*/
protected function batchCopy($value, $pks, $contexts)
{
$categoryId = (int) $value;
$i = 0;
if (!parent::checkCategoryId($categoryId))
{
return false;
}
// Parent exists so we let's proceed
while (!empty($pks))
{
// Pop the first ID off the stack
$pk = array_shift($pks);
$this->table->reset();
// Check that the row actually exists
if (!$this->table->load($pk))
{
if ($error = $this->table->getError())
{
// Fatal error
$this->setError($error);
return false;
}
else
{
// Not fatal error
$this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_BATCH_MOVE_ROW_NOT_FOUND', $pk));
continue;
}
}
// Alter the title & alias
$data = $this->generateNewTitle($categoryId, $this->table->alias, $this->table->name);
$this->table->name = $data['0'];
$this->table->alias = $data['1'];
// Reset the ID because we are making a copy
$this->table->id = 0;
// New category ID
$this->table->catid = $categoryId;
// TODO: Deal with ordering?
//$this->table->ordering = 1;
// Check the row.
if (!$this->table->check())
{
$this->setError($this->table->getError());
return false;
}
parent::createTagsHelper($this->tagsObserver, $this->type, $pk, $this->typeAlias, $this->table);
// Store the row.
if (!$this->table->store())
{
$this->setError($this->table->getError());
return false;
}
// Get the new item ID
$newId = $this->table->get('id');
// Add the new ID to the array
$newIds[$i] = $newId;
$i++;
}
// Clean the cache
$this->cleanCache();
return $newIds;
}
/**
* Method to test whether a record can be deleted.
*
* @param object A record object.
* @return boolean True if allowed to delete the record. Defaults to the permission set in the component.
* @since 1.6
*/
protected function canDelete($record)
{
if (!empty($record->id))
{
if ($record->published != -2)
{
return;
}
$user = JFactory::getUser();
if (!empty($record->catid))
{
return $user->authorise('core.delete', 'com_newsfeed.category.' . (int) $record->catid);
}
else
{
return parent::canDelete($record);
}
}
}
/**
* Method to test whether a record can have its state changed.
*
* @param object A record object.
* @return boolean True if allowed to change the state of the record. Defaults to the permission set in the component.
* @since 1.6
*/
protected function canEditState($record)
{
$user = JFactory::getUser();
if (!empty($record->catid))
{
return $user->authorise('core.edit.state', 'com_newsfeeds.category.' . (int) $record->catid);
}
else
{
return parent::canEditState($record);
}
}
/**
* Returns a Table object, always creating it.
*
* @param type The table type to instantiate
* @param string A prefix for the table class name. Optional.
* @param array Configuration array for model. Optional.
* @return JTable A database object
*/
public function getTable($type = 'Newsfeed', $prefix = 'NewsfeedsTable', $config = array())
{
return JTable::getInstance($type, $prefix, $config);
}
/**
* Method to get the record form.
*
* @param array $data Data for the form.
* @param boolean $loadData True if the form is to load its own data (default case), false if not.
* @return JForm A JForm object on success, false on failure
* @since 1.6
*/
public function getForm($data = array(), $loadData = true)
{
// Get the form.
$form = $this->loadForm('com_newsfeeds.newsfeed', 'newsfeed', array('control' => 'jform', 'load_data' => $loadData));
if (empty($form))
{
return false;
}
// Determine correct permissions to check.
if ($this->getState('newsfeed.id'))
{
// Existing record. Can only edit in selected categories.
$form->setFieldAttribute('catid', 'action', 'core.edit');
}
else
{
// New record. Can only create in selected categories.
$form->setFieldAttribute('catid', 'action', 'core.create');
}
// Modify the form based on access controls.
if (!$this->canEditState((object) $data))
{
// Disable fields for display.
$form->setFieldAttribute('ordering', 'disabled', 'true');
$form->setFieldAttribute('published', 'disabled', 'true');
$form->setFieldAttribute('publish_up', 'disabled', 'true');
$form->setFieldAttribute('publish_down', 'disabled', 'true');
// Disable fields while saving.
// The controller has already verified this is a record you can edit.
$form->setFieldAttribute('ordering', 'filter', 'unset');
$form->setFieldAttribute('published', 'filter', 'unset');
$form->setFieldAttribute('publish_up', 'filter', 'unset');
$form->setFieldAttribute('publish_down', 'filter', 'unset');
}
return $form;
}
/**
* Method to get the data that should be injected in the form.
*
* @return mixed The data for the form.
* @since 1.6
*/
protected function loadFormData()
{
// Check the session for previously entered form data.
$data = JFactory::getApplication()->getUserState('com_newsfeeds.edit.newsfeed.data', array());
if (empty($data))
{
$data = $this->getItem();
// Prime some default values.
if ($this->getState('newsfeed.id') == 0)
{
$app = JFactory::getApplication();
$data->set('catid', $app->input->get('catid', $app->getUserState('com_newsfeeds.newsfeeds.filter.category_id'), 'int'));
}
}
$this->preprocessData('com_newsfeeds.newsfeed', $data);
return $data;
}
/**
* Method to save the form data.
*
* @param array The form data.
*
* @return boolean True on success.
* @since 3.0
*/
public function save($data)
{
$app = JFactory::getApplication();
// Alter the title for save as copy
if ($app->input->get('task') == 'save2copy')
{
list($name, $alias) = $this->generateNewTitle($data['catid'], $data['alias'], $data['name']);
$data['name'] = $name;
$data['alias'] = $alias;
$data['published'] = 0;
}
if (parent::save($data))
{
$assoc = JLanguageAssociations::isEnabled();
if ($assoc)
{
$id = (int) $this->getState($this->getName() . '.id');
$item = $this->getItem($id);
// Adding self to the association
$associations = $data['associations'];
foreach ($associations as $tag => $id)
{
if (empty($id))
{
unset($associations[$tag]);
}
}
// Detecting all item menus
$all_language = $item->language == '*';
if ($all_language && !empty($associations))
{
JError::raiseNotice(403, JText::_('COM_NEWSFEEDS_ERROR_ALL_LANGUAGE_ASSOCIATED'));
}
$associations[$item->language] = $item->id;
// Deleting old association for these items
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->delete('#__associations')
->where($db->quoteName('context') . ' = ' . $db->quote('com_newsfeeds.item'))
->where($db->quoteName('id') . ' IN (' . implode(',', $associations) . ')');
$db->setQuery($query);
$db->execute();
if ($error = $db->getErrorMsg())
{
$this->setError($error);
return false;
}
if (!$all_language && count($associations))
{
// Adding new association for these items
$key = md5(json_encode($associations));
$query->clear()
->insert('#__associations');
foreach ($associations as $id)
{
$query->values($id . ',' . $db->quote('com_newsfeeds.item') . ',' . $db->quote($key));
}
$db->setQuery($query);
$db->execute();
if ($error = $db->getErrorMsg())
{
$this->setError($error);
return false;
}
}
}
return true;
}
return false;
}
/**
* Method to get a single record.
*
* @param integer The id of the primary key.
*
* @return mixed Object on success, false on failure.
* @since 1.6
*/
public function getItem($pk = null)
{
if ($item = parent::getItem($pk))
{
// Convert the params field to an array.
$registry = new JRegistry;
$registry->loadString($item->metadata);
$item->metadata = $registry->toArray();
// Convert the images field to an array.
$registry = new JRegistry;
$registry->loadString($item->images);
$item->images = $registry->toArray();
}
// Load associated newsfeeds items
$app = JFactory::getApplication();
$assoc = JLanguageAssociations::isEnabled();
if ($assoc)
{
$item->associations = array();
if ($item->id != null)
{
$associations = JLanguageAssociations::getAssociations('com_newsfeeds', '#__newsfeeds', 'com_newsfeeds.item', $item->id);
foreach ($associations as $tag => $association)
{
$item->associations[$tag] = $association->id;
}
}
}
if (!empty($item->id))
{
$item->tags = new JHelperTags;
$item->tags->getTagIds($item->id, 'com_newsfeeds.newsfeed');
$item->metadata['tags'] = $item->tags;
}
return $item;
}
/**
* Prepare and sanitise the table prior to saving.
*/
protected function prepareTable($table)
{
$date = JFactory::getDate();
$user = JFactory::getUser();
$table->name = htmlspecialchars_decode($table->name, ENT_QUOTES);
$table->alias = JApplication::stringURLSafe($table->alias);
if (empty($table->alias))
{
$table->alias = JApplication::stringURLSafe($table->name);
}
if (empty($table->id))
{
// Set the values
$table->created = $date->toSql();
// Set ordering to the last item if not set
if (empty($table->ordering))
{
$db = JFactory::getDbo();
$db->setQuery('SELECT MAX(ordering) FROM #__newsfeeds');
$max = $db->loadResult();
$table->ordering = $max + 1;
}
}
else
{
// Set the values
$table->modified = $date->toSql();
$table->modified_by = $user->get('id');
}
// Increment the content version number.
$table->version++;
}
/**
* Method to change the published state of one or more records.
*
* @param array $pks A list of the primary keys to change.
* @param integer $value The value of the published state.
*
* @return boolean True on success.
* @since 1.6
*/
public function publish(&$pks, $value = 1)
{
$result = parent::publish($pks, $value);
// Clean extra cache for newsfeeds
$this->cleanCache('feed_parser');
return $result;
}
/**
* A protected method to get a set of ordering conditions.
*
* @param object A record object.
* @return array An array of conditions to add to add to ordering queries.
* @since 1.6
*/
protected function getReorderConditions($table)
{
$condition = array();
$condition[] = 'catid = ' . (int) $table->catid;
return $condition;
}
protected function preprocessForm(JForm $form, $data, $group = 'content')
{
// Association newsfeeds items
$app = JFactory::getApplication();
$assoc = JLanguageAssociations::isEnabled();
if ($assoc)
{
$languages = JLanguageHelper::getLanguages('lang_code');
// force to array (perhaps move to $this->loadFormData())
$data = (array) $data;
$addform = new SimpleXMLElement('<form />');
$fields = $addform->addChild('fields');
$fields->addAttribute('name', 'associations');
$fieldset = $fields->addChild('fieldset');
$fieldset->addAttribute('name', 'item_associations');
$fieldset->addAttribute('description', 'COM_NEWSFEEDS_ITEM_ASSOCIATIONS_FIELDSET_DESC');
$add = false;
foreach ($languages as $tag => $language)
{
if (empty($data['language']) || $tag != $data['language'])
{
$add = true;
$field = $fieldset->addChild('field');
$field->addAttribute('name', $tag);
$field->addAttribute('type', 'modal_newsfeed');
$field->addAttribute('language', $tag);
$field->addAttribute('label', $language->title);
$field->addAttribute('translate_label', 'false');
$field->addAttribute('edit', 'true');
$field->addAttribute('clear', 'true');
}
}
if ($add)
{
$form->load($addform, false);
}
}
parent::preprocessForm($form, $data, $group);
}
/**
* Method to change the title & alias.
*
* @param integer $parent_id The id of the parent.
* @param string $alias The alias.
* @param string $title The title.
*
* @return array Contains the modified title and alias.
*
* @since 3.1
*/
protected function generateNewTitle($category_id, $alias, $name)
{
// Alter the title & alias
$table = $this->getTable();
while ($table->load(array('alias' => $alias, 'catid' => $category_id)))
{
if ($name == $table->name)
{
$name = JString::increment($name);
}
$alias = JString::increment($alias, 'dash');
}
return array($name, $alias);
}
}

Documentation generated on Tue, 19 Nov 2013 15:09:26 +0100 by phpDocumentor 1.4.3

Source for file newsfeed.php