move the private namespace OC into lib/private - OCP will stay in lib/public

Conflicts:
	lib/private/vcategories.php

1 files changed, 203 insertions, 0 deletions

diff --git a/lib/private/appconfig.php b/lib/private/appconfig.php
new file mode 100644
index 00000000000..e615d838173
--- /dev/null
+++ b/lib/private/appconfig.php
@@ -0,0 +1,203 @@
+<?php
+/**
+ * ownCloud
+ *
+ * @author Frank Karlitschek
+ * @author Jakob Sack
+ * @copyright 2012 Frank Karlitschek frank@owncloud.org
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+/*
+ *
+ * The following SQL statement is just a help for developers and will not be
+ * executed!
+ *
+ * CREATE TABLE  `appconfig` (
+ * `appid` VARCHAR( 255 ) NOT NULL ,
+ * `configkey` VARCHAR( 255 ) NOT NULL ,
+ * `configvalue` VARCHAR( 255 ) NOT NULL
+ * )
+ *
+ */
+
+/**
+ * This class provides an easy way for apps to store config values in the
+ * database.
+ */
+class OC_Appconfig{
+	/**
+	 * @brief Get all apps using the config
+	 * @return array with app ids
+	 *
+	 * This function returns a list of all apps that have at least one
+	 * entry in the appconfig table.
+	 */
+	public static function getApps() {
+		// No magic in here!
+		$query = OC_DB::prepare( 'SELECT DISTINCT `appid` FROM `*PREFIX*appconfig`' );
+		$result = $query->execute();
+
+		$apps = array();
+		while( $row = $result->fetchRow()) {
+			$apps[] = $row["appid"];
+		}
+
+		return $apps;
+	}
+
+	/**
+	 * @brief Get the available keys for an app
+	 * @param string $app the app we are looking for
+	 * @return array with key names
+	 *
+	 * This function gets all keys of an app. Please note that the values are
+	 * not returned.
+	 */
+	public static function getKeys( $app ) {
+		// No magic in here as well
+		$query = OC_DB::prepare( 'SELECT `configkey` FROM `*PREFIX*appconfig` WHERE `appid` = ?' );
+		$result = $query->execute( array( $app ));
+
+		$keys = array();
+		while( $row = $result->fetchRow()) {
+			$keys[] = $row["configkey"];
+		}
+
+		return $keys;
+	}
+
+	/**
+	 * @brief Gets the config value
+	 * @param string $app app
+	 * @param string $key key
+	 * @param string $default = null, default value if the key does not exist
+	 * @return string the value or $default
+	 *
+	 * This function gets a value from the appconfig table. If the key does
+	 * not exist the default value will be returned
+	 */
+	public static function getValue( $app, $key, $default = null ) {
+		// At least some magic in here :-)
+		$query = OC_DB::prepare( 'SELECT `configvalue` FROM `*PREFIX*appconfig`'
+			.' WHERE `appid` = ? AND `configkey` = ?' );
+		$result = $query->execute( array( $app, $key ));
+		$row = $result->fetchRow();
+		if($row) {
+			return $row["configvalue"];
+		}else{
+			return $default;
+		}
+	}
+
+	/**
+	 * @brief check if a key is set in the appconfig
+	 * @param string $app
+	 * @param string $key
+	 * @return bool
+	 */
+	public static function hasKey($app, $key) {
+		$exists = self::getKeys( $app );
+		return in_array( $key, $exists );
+	}
+
+	/**
+	 * @brief sets a value in the appconfig
+	 * @param string $app app
+	 * @param string $key key
+	 * @param string $value value
+	 * @return bool
+	 *
+	 * Sets a value. If the key did not exist before it will be created.
+	 */
+	public static function setValue( $app, $key, $value ) {
+		// Does the key exist? yes: update. No: insert
+		if(! self::hasKey($app, $key)) {
+			$query = OC_DB::prepare( 'INSERT INTO `*PREFIX*appconfig` ( `appid`, `configkey`, `configvalue` )'
+				.' VALUES( ?, ?, ? )' );
+			$query->execute( array( $app, $key, $value ));
+		}
+		else{
+			$query = OC_DB::prepare( 'UPDATE `*PREFIX*appconfig` SET `configvalue` = ?'
+				.' WHERE `appid` = ? AND `configkey` = ?' );
+			$query->execute( array( $value, $app, $key ));
+		}
+	}
+
+	/**
+	 * @brief Deletes a key
+	 * @param string $app app
+	 * @param string $key key
+	 * @return bool
+	 *
+	 * Deletes a key.
+	 */
+	public static function deleteKey( $app, $key ) {
+		// Boring!
+		$query = OC_DB::prepare( 'DELETE FROM `*PREFIX*appconfig` WHERE `appid` = ? AND `configkey` = ?' );
+		$query->execute( array( $app, $key ));
+
+		return true;
+	}
+
+	/**
+	 * @brief Remove app from appconfig
+	 * @param string $app app
+	 * @return bool
+	 *
+	 * Removes all keys in appconfig belonging to the app.
+	 */
+	public static function deleteApp( $app ) {
+		// Nothing special
+		$query = OC_DB::prepare( 'DELETE FROM `*PREFIX*appconfig` WHERE `appid` = ?' );
+		$query->execute( array( $app ));
+
+		return true;
+	}
+
+	/**
+	 * get multiply values, either the app or key can be used as wildcard by setting it to false
+	 * @param app
+	 * @param key
+	 * @return array
+	 */
+	public static function getValues($app, $key) {
+		if($app!==false and $key!==false) {
+			return false;
+		}
+		$fields='`configvalue`';
+		$where='WHERE';
+		$params=array();
+		if($app!==false) {
+			$fields.=', `configkey`';
+			$where.=' `appid` = ?';
+			$params[]=$app;
+			$key='configkey';
+		}else{
+			$fields.=', `appid`';
+			$where.=' `configkey` = ?';
+			$params[]=$key;
+			$key='appid';
+		}
+		$queryString='SELECT '.$fields.' FROM `*PREFIX*appconfig` '.$where;
+		$query=OC_DB::prepare($queryString);
+		$result=$query->execute($params);
+		$values=array();
+		while($row=$result->fetchRow()) {
+			$values[$row[$key]]=$row['configvalue'];
+		}
+		return $values;
+	}
+}