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Added post_deleteUser hook to VCategories. Added methods for adding/removing object/category relations.

This commit is contained in:
Thomas Tanghus 2012-10-02 22:46:37 +02:00
parent 52eded0679
commit 6bfb2ca2a8
1 changed files with 110 additions and 6 deletions
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116
lib/vcategories.php
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@ -21,6 +21,7 @@
*
*/
OC_Hook::connect('OC_User', 'post_deleteUser', 'OC_VCategories', 'post_deleteUser');
/**
* Class for easy access to categories in VCARD, VEVENT, VTODO and VJOURNAL.
@ -147,7 +148,7 @@ class OC_VCategories {
/**
* @brief Get the a list if items belonging to $category.
* @param string|integer $category Category id or name.
* @param string $table The name of table to query.
* @param array $tableinfo Array in the form {'tablename' => table, 'fields' => ['field1', 'field2']}
* @param int $limit
* @param int $offset
*
@ -327,7 +328,7 @@ class OC_VCategories {
private function save() {
if(is_array($this->categories)) {
foreach($this->categories as $category) {
OCP\DB::insertIfNotExist('*PREFIX*vcategory',
OCP\DB::insertIfNotExist(self::$category_table,
array(
'uid' => $this->user,
'type' => $this->type,
@ -345,7 +346,7 @@ class OC_VCategories {
$catid = $this->array_searchi($relation['category'], $categories);
OC_Log::write('core', __METHOD__ . 'catid, ' . $relation['category'] . ' ' . $catid, OC_Log::DEBUG);
if($catid) {
OCP\DB::insertIfNotExist('*PREFIX*vcategory_to_object',
OCP\DB::insertIfNotExist(self::$relation_table,
array(
'objid' => $relation['objid'],
'categoryid' => $catid,
@ -360,22 +361,125 @@ class OC_VCategories {
}
}
/**
* @brief Delete categories and category/object relations for a user.
* For hooking up on post_deleteUser
* @param string $uid The user id for which entries should be purged.
*/
public static function post_deleteUser($arguments) {
// Find all objectid/categoryid pairs.
$result = null;
try {
$stmt = OCP\DB::prepare('SELECT `id` FROM `*PREFIX*vcategory` '
. 'WHERE `uid` = ?');
$result = $stmt->execute(array($arguments['uid']));
} catch(Exception $e) {
OCP\Util::writeLog('core', __METHOD__.', exception: '.$e->getMessage(),
OCP\Util::ERROR);
}
if(!is_null($result)) {
try {
$stmt = OCP\DB::prepare('DELETE FROM `*PREFIX*vcategory_to_object` '
. 'WHERE `categoryid` = ?');
while( $row = $result->fetchRow()) {
try {
$stmt->execute(array($row['id']));
} catch(Exception $e) {
OCP\Util::writeLog('core', __METHOD__.', exception: '.$e->getMessage(),
OCP\Util::ERROR);
}
}
} catch(Exception $e) {
OCP\Util::writeLog('core', __METHOD__.', exception: '.$e->getMessage(),
OCP\Util::ERROR);
}
}
try {
$stmt = OCP\DB::prepare('DELETE FROM `*PREFIX*vcategory` '
. 'WHERE `uid` = ? AND');
$result = $stmt->execute(array($arguments['uid']));
} catch(Exception $e) {
OCP\Util::writeLog('core', __METHOD__ . ', exception: '
. $e->getMessage(), OCP\Util::ERROR);
}
}
/**
* @brief Delete category/object relations from the db
* @param $id The id of the object
* @param $type The type of object (event/contact/task/journal).
* @param int $id The id of the object
* @param string $type The type of object (event/contact/task/journal).
* Defaults to the type set in the instance
* @returns boolean
*/
public function purgeObject($id, $type = null) {
$type = is_null($type) ? $this->type : $type;
try {
$stmt = OCP\DB::prepare('DELETE FROM `*PREFIX*vcategory_to_object` '
$stmt = OCP\DB::prepare('DELETE FROM `' . self::$relation_table . '` '
. 'WHERE `objid` = ? AND `type`= ?');
$stmt->execute(array($id, $type));
} catch(Exception $e) {
OCP\Util::writeLog('core', __METHOD__.', exception: '.$e->getMessage(),
OCP\Util::ERROR);
return false;
}
return true;
}
/**
* @brief Creates a category/object relation.
* @param int $objid The id of the object
* @param int|string $category The id or name of the category
* @param string $type The type of object (event/contact/task/journal).
* Defaults to the type set in the instance
* @returns boolean
*/
public function createRelation($objid, $category, $type = null) {
$type = is_null($type) ? $this->type : $type;
$categoryid = (is_string($category) && !is_numeric($category))
? $this->array_searchi($category, $this->categories)
: $category;
try {
OCP\DB::insertIfNotExist(self::$relation_table,
array(
'objid' => $objid,
'categoryid' => $categoryid,
'type' => $type,
));
} catch(Exception $e) {
OCP\Util::writeLog('core', __METHOD__.', exception: '.$e->getMessage(),
OCP\Util::ERROR);
return false;
}
return true;
}
/**
* @brief Delete single category/object relation from the db
* @param int $objid The id of the object
* @param int|string $category The id or name of the category
* @param string $type The type of object (event/contact/task/journal).
* Defaults to the type set in the instance
* @returns boolean
*/
public function removeRelation($objid, $category, $type = null) {
$type = is_null($type) ? $this->type : $type;
$categoryid = (is_string($category) && !is_numeric($category))
? $this->array_searchi($category, $this->categories)
: $category;
try {
$sql = 'DELETE FROM `' . self::$relation_table . '` '
. 'WHERE `objid` = ? AND `categoryid` = ? AND `type` = ?';
OCP\Util::writeLog('core', __METHOD__.', sql: ' . $objid . ' ' . $categoryid . ' ' . $type,
OCP\Util::DEBUG);
$stmt = OCP\DB::prepare($sql);
$stmt->execute(array($objid, $categoryid, $type));
} catch(Exception $e) {
OCP\Util::writeLog('core', __METHOD__.', exception: '.$e->getMessage(),
OCP\Util::ERROR);
return false;
}
return true;
}
/**