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<?php

/*
+---------------------------------------------------------------------------+
| Revive Adserver                                                           |
| http://www.revive-adserver.com                                            |
|                                                                           |
| Copyright: See the COPYRIGHT.txt file.                                    |
| License: GPLv2 or later, see the LICENSE.txt file.                        |
+---------------------------------------------------------------------------+
*/

require_once(MAX_PATH . '/lib/OA/Upgrade/Migration.php');

class Migration_546 extends Migration
{
    /**
     * An array to store new setting configuration file items that
     * have been migrated from old preference values that need to
     * be added to the configuration file.
     *
     * @var array
     */
    public $aConfNew = [];

    /**
     * An array of arrays. Defines sections and keys in the main
     * OpenX configuration file, and the old style preference
     * names that are the source of the data for these values
     * during the migration of preferences to settings.
     *
     * @var array
     */
    public $aConfMap = [
        'email' => [
            'headers' => 'admin_email_headers',
            'logOutgoing' => 'userlog_email',
            'qmailPatch' => 'qmail_patch',
            'fromName' => 'admin_fullname',
            'fromAddress' => 'admin_email',
            'fromCompany' => 'company_name'
        ],
        'delivery' => [
            'clicktracking' => 'gui_invocation_3rdparty_default'
        ],
        'sync' => [
            'checkForUpdates' => 'updates_enabled'
        ],
        'allowedTags' => [
            'adviewnocookies' => 'allow_invocation_plain_nocookies',
            'adjs' => 'allow_invocation_js',
            'adframe' => 'allow_invocation_frame',
            'xmlrpc' => 'allow_invocation_xmlrpc',
            'local' => 'allow_invocation_local',
            'adlayer' => 'allow_invocation_interstitial',
            'popup' => 'allow_invocation_popup',
            'adview' => 'allow_invocation_plain'
        ],
        'allowedBanners' => [
            'sql' => 'type_sql_allow',
            'url' => 'type_url_allow',
            'web' => 'type_web_allow',
            'html' => 'type_html_allow',
            'txt' => 'type_txt_allow'
        ],
        'ui' => [
            'headerFilePath' => 'my_header',
            'footerFilePath' => 'my_footer',
            'logoFilePath' => 'my_logo',
            'applicationName' => 'name',
            'gzipCompression' => 'content_gzip_compression',
            'headerBackgroundColor' => 'gui_header_background_color',
            'headerForegroundColor' => 'gui_header_foreground_color',
            'headerActiveTabColor' => 'gui_header_active_tab_color',
            'headerTextColor' => 'gui_header_text_color'
         ]
    ];

    /**
     * An array that defines the new style preferences, and how the old style
     * preferences should be migrated into these preferences. Each entry for
     * a new preference name should be an array of three values:
     * - name:  The old preference name.
     * - value: The preference value to insert for the account.
     * - level: The account access level for the preference.
     *
     * Note that this array does not include any of the new "ui_column_name",
     * "ui_column_name_label" and "ui_column_name_rank" preferences (and,
     * obviously, any of the old style "gui_column_name" values either). These
     * are all handled in the _mapOldPrefsToPrefs() method.
     *
     * @var array
     */
    public $aPrefMap = [
        'auto_alter_html_banners_for_click_tracking' => ['name' => 'banner_html_auto',              'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'ui_week_start_day' => ['name' => 'begin_of_week',                 'value' => '',  'level' => ''],
        'ui_percentage_decimals' => ['name' => 'percentage_decimals',           'value' => '',  'level' => ''],
        'warn_email_admin' => ['name' => 'warn_admin',                    'value' => '',  'level' => OA_ACCOUNT_ADMIN],
        'warn_email_admin_impression_limit' => ['name' => 'warn_limit',                    'value' => '',  'level' => OA_ACCOUNT_ADMIN],
        'warn_email_admin_day_limit' => ['name' => 'warn_limit_days',               'value' => '',  'level' => OA_ACCOUNT_ADMIN],
        'warn_email_manager' => ['name' => 'warn_agency',                   'value' => '',  'level' => OA_ACCOUNT_MANAGER],
        'warn_email_manager_impression_limit' => ['name' => 'warn_limit',                    'value' => '',  'level' => OA_ACCOUNT_MANAGER],
        'warn_email_manager_day_limit' => ['name' => 'warn_limit_days',               'value' => '',  'level' => OA_ACCOUNT_MANAGER],
        'warn_email_advertiser' => ['name' => 'warn_client',                   'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'warn_email_advertiser_impression_limit' => ['name' => 'warn_limit',                    'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'warn_email_advertiser_day_limit' => ['name' => 'warn_limit_days',               'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'ui_novice_user' => ['name' => 'admin_novice',                  'value' => 'f', 'level' => ''],
        'default_banner_weight' => ['name' => 'default_banner_weight',         'value' => '1', 'level' => OA_ACCOUNT_ADVERTISER],
        'default_campaign_weight' => ['name' => 'default_campaign_weight',       'value' => '1', 'level' => OA_ACCOUNT_ADVERTISER],
        'default_banner_image_url' => ['name' => 'default_banner_url',            'value' => '',  'level' => OA_ACCOUNT_TRAFFICKER],
        'default_banner_destination_url' => ['name' => 'default_banner_destination',    'value' => '',  'level' => OA_ACCOUNT_TRAFFICKER],
        'ui_show_campaign_info' => ['name' => 'gui_show_campaign_info',        'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'ui_show_campaign_preview' => ['name' => 'gui_show_campaign_preview',     'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'ui_show_banner_info' => ['name' => 'gui_show_banner_info',          'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'ui_show_banner_preview' => ['name' => 'gui_show_banner_preview',       'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'ui_show_banner_html' => ['name' => 'gui_show_banner_html',          'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'ui_show_matching_banners' => ['name' => 'gui_show_matching',             'value' => '',  'level' => OA_ACCOUNT_TRAFFICKER],
        'ui_show_matching_banners_parents' => ['name' => 'gui_show_parents',              'value' => '',  'level' => OA_ACCOUNT_TRAFFICKER],
        'ui_hide_inactive' => ['name' => 'gui_hide_inactive',             'value' => '',  'level' => ''],
        'tracker_default_status' => ['name' => 'default_tracker_status',        'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'tracker_default_type' => ['name' => 'default_tracker_type',          'value' => '',  'level' => OA_ACCOUNT_ADVERTISER],
        'tracker_link_campaigns' => ['name' => 'default_tracker_linkcampaigns', 'value' => '',  'level' => OA_ACCOUNT_ADVERTISER]
    ];

    /**
     * An array containing all known old style preference names that
     * are to be migrated into application variables.
     *
     * @var array
     */
    public $aAppVar = [
        'maintenance_timestamp',
        'maintenance_cron_timestamp'
    ];

    /**
     * An array containing all known old style preference names that
     * have been deprecated - and so should never be migrated.
     *
     * @var array
     */
    public $aPrefDep = [
        'agencyid',
        'config_version',
        'override_gd_imageformat',
        'admin',
        'admin_pw',
        'client_welcome',
        'client_welcome_msg',
        'publisher_welcome',
        'publisher_welcome_msg',
        'gui_campaign_anonymous',
        'gui_link_compact_limit',
        'updates_cache',
        'updates_timestamp',
        'updates_last_seen',
        'allow_invocation_clickonly',
        'auto_clean_tables',
        'auto_clean_tables_interval',
        'auto_clean_userlog',
        'auto_clean_userlog_interval',
        'auto_clean_tables_vacuum',
        'autotarget_factor',
        'compact_stats',
        'statslastday',
        'statslasthour',
        'publisher_agreement',
        'publisher_agreement_text',
        'publisher_payment_modes',
        'publisher_currencies',
        'publisher_categories',
        'publisher_help_files',
        'publisher_default_tax_id',
        'publisher_default_approved',
        'more_reports',
        'gui_column_epps'
    ];

    /**
     * Local store of the accounts table name.
     *
     * @var string
     */
    public $tblAccounts;

    /**
     * Local store of the new preferences table name.
     *
     * @var string
     */
    public $tblPrefsNew;

    /**
     * Local store of the account preferences table name.
     *
     * @var string
     */
    public $tblAccPrefs;

    /**
     * Local store of the old preferences table name.
     *
     * @var string
     */
    public $tblPrefsOld;

    /**
     * Local store of the agency table name.
     *
     * @var string
     */
    public $tblAgency;

    /**
     * Local store of the applpication variables table name.
     *
     * @var string
     */
    public $tblAppVars;

    /**
     * An array to store the result of OA_Preferences::getPreferenceDefaults();
     *
     * @var array
     */
    public $aDefaultPreferences;

    public function __construct()
    {
        $this->aTaskList_destructive[] = 'beforeRemoveTable__preference';
        $this->aTaskList_destructive[] = 'afterRemoveTable__preference';
        $this->aTaskList_destructive[] = 'beforeRemoveTable__preference_advertiser';
        $this->aTaskList_destructive[] = 'afterRemoveTable__preference_advertiser';
        $this->aTaskList_destructive[] = 'beforeRemoveTable__preference_publisher';
        $this->aTaskList_destructive[] = 'afterRemoveTable__preference_publisher';
    }

    public function beforeRemoveTable__preference()
    {
        return $this->migratePreferences() && $this->beforeRemoveTable('preference');
    }

    public function afterRemoveTable__preference()
    {
        return $this->afterRemoveTable('preference_advertiser');
    }

    public function beforeRemoveTable__preference_advertiser()
    {
        return $this->beforeRemoveTable('preference');
    }

    public function afterRemoveTable__preference_advertiser()
    {
        return $this->afterRemoveTable('preference_advertiser');
    }

    public function beforeRemoveTable__preference_publisher()
    {
        return $this->beforeRemoveTable('preference_publisher');
    }

    public function afterRemoveTable__preference_publisher()
    {
        return $this->afterRemoveTable('preference_publisher');
    }

    public function migratePreferences()
    {
        $this->aDefaultPreferences = $this->_getDefaultPreferences();

        $this->tblAgency = $this->_getQuotedTableName('agency');
        $this->tblPrefsOld = $this->_getQuotedTableName('preference');
        $this->tblAppVars = $this->_getQuotedTableName('application_variable');
        $this->tblAccounts = $this->_getQuotedTableName('accounts');
        $this->tblPrefsNew = $this->_getQuotedTableName('preferences');
        $this->tblAccPrefs = $this->_getQuotedTableName('account_preference_assoc');

        // Fetch the admin's current (old style) preferences
        $aPrefOldAdmin = $this->_getOldPreferencesAdmin();
        if ($aPrefOldAdmin !== false && !empty($aPrefOldAdmin)) {
            // Remove from array: the old preferences that have been deprecated
            $this->_filterOutDeprecatedPreferences($aPrefOldAdmin);
            // Populate the $this->aConfNew array with preferences that are to
            // be migrated to the settings configuration file, and remove these
            // preferences from the preference array
            $this->_mapOldPrefsToSettings($aPrefOldAdmin);
            // Write ou the new configuration settings file
            if (!$this->_writeSettings()) {
                return false;
            }
            // Migrate required preferences to application valiables
            if (!$this->_moveAppVars($aPrefOldAdmin)) {
                return false;
            }
            // Prepare the $this->aPrefMap array ready for the migration of
            // the old preferences to the new preferences for the admin
            // account
            $this->_mapOldPrefsToPrefs($aPrefOldAdmin);
            // Migrate admin preferences to new preferences
            if (!$this->_movePreferencesAdmin()) {
                return false;
            }



            // Migrate agency preferences to new preferences
            $this->_movePreferencesAgency();
            return true;
        }
        return false;
    }

    /**
     * A private method to retrieve the admin account's old
     * style preferences from the database.
     *
     * @access private
     * @return mixed Either an array of the admin account's
     *               preferences, or false on error.
     */
    public function _getOldPreferencesAdmin()
    {
        $aResult = $this->_getOldPreferences(true);
        if (PEAR::isError($aResult)) {
            return $this->_logErrorAndReturnFalse($aResult);
        }
        if (!is_array(($aResult))) {
            $this->_logError('Failed to retrieve old admin account preference record(s)');
            return false;
        }
        return $aResult[0];
    }

    /**
     * A private method to retrive the old style preferences
     * from the database.
     *
     * @access private
     * @param boolean $admin When true, limit the results from
     *                       the database to only the admin
     *                       user.
     * @return mixed Either an array of arrays, containing the
     *               preferences retrieved, or a PEAR_Error on
     *               error.
     */
    public function _getOldPreferences($admin = true)
    {
        $query = "
            SELECT
                *
            FROM
                {$this->tblPrefsOld}";
        if ($admin) {
            $query .= " WHERE agencyid = 0";
        }
        return $this->oDBH->queryAll($query);
    }

    /**
     * A private method that removes any deprecated preferences
     * from an array of old style preferences that have been
     * retrieved from the database.
     *
     * @access private
     * @param array $aPrefOld A reference to an array of preferences
     *                        from the database which need to have the
     *                        deprecated preferences removed.
     */
    public function _filterOutDeprecatedPreferences(&$aPrefOld)
    {
        foreach ($this->aPrefDep as $name) {
            unset($aPrefOld[$name]);
        }
    }

    /**
     * A private method that stores preference values that need to be
     * migrated into the settings (i.e. the configuration file) from
     * an old style preferences array that has been retrieved from the
     * database, and removes these stored preference values from the
     * array passed in.
     *
     * @access private
     * @param array $aPrefOld A reference to an array of preferences
     *                        from the database which need to have the
     *                        preferences that are to be migrated to
     *                        the settings stored in $this->aConfMap
     *                        and then removed from the array.
     */
    public function _mapOldPrefsToSettings(&$aPrefOld)
    {
        foreach ($this->aConfMap as $section => $aPairs) {
            foreach ($aPairs as $nameNew => $nameOld) {
                // Store the preferece in $this->aConfNew
                $this->aConfNew[$section][$nameNew] = $aPrefOld[$nameOld];
                // Remove the preference from the array
                unset($aPrefOld[$nameOld]);
            }
        }
    }

    /**
     * A private method that writes out the new OpenX settings configuration
     * file after migrating over the admin account's preferences that have
     * now been changed into settings.
     *
     * @access private
     * @return boolean True if the config file is successfully written,
     *                 otherwise, false.
     */
    public function _writeSettings()
    {
        $oConfiguration = new OA_Upgrade_Config();
        foreach ($this->aConfMap as $section => $aPairs) {
            foreach ($aPairs as $key => $value) {
                $value = $this->aConfNew[$section][$key];
                $oConfiguration->setValue($section, $key, $value);
            }
        }
        return $oConfiguration->writeConfig();
    }

    /**
     * A private method that migrates preference values that need to be
     * migrated into application variables from an old style preferences
     * array that has been retrieved from the database, and removes these
     * stored preference values from the array passed in.
     *
     * @access private
     * @param array $aPrefOld A reference to an array of preferences
     *                        from the database which need to have the
     *                        preferences that are to be migrated to
     *                        the application variables in the database
     *                        and then removed from the array.
     * @return boolean True on success, false otherwise.
     */
    public function _moveAppVars(&$aPrefOldAdmin)
    {
        foreach ($this->aAppVar as $name) {
            $value = (isset($aPrefOldAdmin[$name]) ? $aPrefOldAdmin[$name] : 0);
            if (!$this->_insertApplicationVariable($name, $value)) {
                return false;
            }
            unset($aPrefOldAdmin[$name]);
        }
        return true;
    }

    /**
     * A private method to insert an application variable into the database
     *
     * @access private
     * @param string $name The name of the application variable to insert.
     * @param string $value The value of the application variable to insert.
     * @return boolean True on success, false otherwise.
     */
    public function _insertApplicationVariable($name, $value = 0)
    {
        $name = $this->oDBH->quote($name);
        $value = $this->oDBH->quote($value);
        $query = "
            INSERT INTO
                {$this->tblAppVars}
                (
                    name,
                    value
                )
            VALUES
	           (
	               {$name},
	               {$value}
               )";
        $result = $this->oDBH->Exec($query);
        if (PEAR::isError($result)) {
            $this->_logError("Failed to insert application variable '$name'");
            return false;
        }
        return true;
    }

    /**
     * A private method to prepare the $this->aPrefMap array so that it is
     * ready to be used by the _movePreferencesAdmin() method to migrate an
     * account's preferences from the old style to the new style.
     *
     * (Which account's preferences are being prepared for migration depends
     * on how the $aPrefOld array was prepared.)
     *
     * @param array $aPrefOld An array of preferences from the database, for
     *                        the account that is to be prepared for migration,
     *                        where deprecated and application variable
     *                        preferences have already been removed.
     */
    public function _mapOldPrefsToPrefs(&$aPrefOld)
    {
        // Iterate over all of the known (i.e. non-column) preferences
        foreach ($this->aPrefMap as $newName => $aVal) {
            // If the passed in array of preferences has a value set for
            // the old preference name, use that value; otherwise leave the
            // default value that is already specified in the $this->aPrefMap
            if (!is_null($aPrefOld[$aVal['name']])) {
                $this->aPrefMap[$newName]['value'] = $aPrefOld[$aVal['name']];
            }
        }
        // Re-iterate over the values now that they have been set to remove
        // values no longer required
        foreach ($this->aPrefMap as $newName => $aVal) {
            unset($aPrefOld[$aVal['name']]);
        }
        // The only remaining preferences of interest are old style "gui_column_name" entries
        foreach ($aPrefOld as $oldName => $val) {
            if (strpos($oldName, 'gui_column_') === 0) {
                // Prepare the new preference name
                $newName = substr($oldName, 1);
                // Is there a value set for the preference?
                if (isset($val)) {
                    // Yes, extract the values for the preference
                    $aVal = unserialize($val);
                    if (is_array($aVal)) {
                        if (array_key_exists('1', $aVal)) {
                            if ($aVal[1]['show']) {
                                $valShow = '1'; // Show
                            } else {
                                $valShow = '';  // No not show
                            }
                            $valLabel = $aVal[1]['label'];
                            $valRank = $aVal[1]['rank'];
                        } else {
                            $valShow = ''; // Do not show
                            $valLabel = ''; // No custom label
                            $valRank = 0;  // No rank
                        }
                        $this->aPrefMap[$newName] = ['name' => $oldName, 'value' => $valShow,  'level' => OA_ACCOUNT_MANAGER];
                        $this->aPrefMap[$newName . '_label'] = ['name' => $oldName, 'value' => $valLabel, 'level' => OA_ACCOUNT_MANAGER];
                        $this->aPrefMap[$newName . '_rank'] = ['name' => $oldName, 'value' => $valRank,  'level' => OA_ACCOUNT_MANAGER];
                    }
                }
                // Test that a value has been set for the column preference
                if (!isset($this->aPrefMap[$newName])) {
                    // Add in the default value for the column preference
                    $this->aPrefMap[$newName] = ['name' => $oldName, 'value' => $this->aDefaultPreferences[$newName]['default'],            'level' => OA_ACCOUNT_MANAGER];
                    $this->aPrefMap[$newName . '_label'] = ['name' => $oldName, 'value' => $this->aDefaultPreferences[$newName . '_label']['default'], 'level' => OA_ACCOUNT_MANAGER];
                    $this->aPrefMap[$newName . '_rank'] = ['name' => $oldName, 'value' => $this->aDefaultPreferences[$newName . '_rank']['default'],  'level' => OA_ACCOUNT_MANAGER];
                }
            }
        }
    }

    /**
     * A private method to migrate the admin account's old style preferences
     * into new style preferences.
     *
     * @access private
     * @return boolean True on success, false otherwise.
     */
    public function _movePreferencesAdmin()
    {
        // Obtain the admin account ID
        $query = "
            SELECT
                account_id
            FROM
                {$this->tblAccounts}
            WHERE
                account_type = 'ADMIN'";
        $accountId = $this->oDBH->queryOne($query);
        if (PEAR::isError($accountId) || is_null($accountId)) {
            $this->_logError('Failed to retrieve admin account ID');
            return false;
        }
        return $this->_insertPreferencesAdmin($accountId, $this->aPrefMap);
    }

    /**
     * A private method to migrate account preferences from the old style
     * to the new.
     *
     * @access private
     * @param integer $accountId The account ID of the account to migrate the
     *                           preferences for
     * @param array $aPrefMap The preference map array to use.
     * @return True on success, false otherwise.
     */
    public function _insertPreferencesAdmin($accountId, $aPrefMap)
    {
        // Iterate over all the preferences in the preference
        foreach ($aPrefMap as $newName => $aVal) {
            // Try to get the preference record - it may already exist
            $prefId = $this->_getPreferencesId($newName);
            if (!$prefId) {
                // Create the preference record
                $this->_insertPreferencesRecord($newName, $aVal['level']);
                // Get the preference ID for the record that needs to be inserted
                $prefId = $this->_getPreferencesId($newName);
                if (!$prefId) {
                    // Could not create the preference record
                    return false;
                }
            }
            // Now create the preference value record
            $this->_insertAccountPreferencesAssoc($accountId, $prefId, $aVal['value']);
        }
        return true;
    }

    /**
     * A private method to insert the preference table record for the preference
     * type (i.e. the record for the name of the preference, not the preference
     * value for the account).
     *
     * @access private
     * @param string $prefName The name of the preference.
     * @param string $accountType The access level for the preference, eg. '',
     *                            OA_ACCOUNT_MANAGER, etc.
     * @return True on success, false otherwise.
     */
    public function _insertPreferencesRecord($prefName, $accountType)
    {
        $prefName = $this->oDBH->quote($prefName);
        $accountType = $this->oDBH->quote($accountType);
        $query = "
            INSERT INTO
                {$this->tblPrefsNew}
                (
                    preference_name,
                    account_type
                )
            VALUES
	           (
	               {$prefName},
	               {$accountType}
               )";
        $result = $this->oDBH->Exec($query);
        if (PEAR::isError($result)) {
            $this->_logError("'Failed to insert the preference record for '$prefName'");
            return false;
        }
        return true;
    }

    /**
     * A private method to get the preference ID for a given preference
     * string (i.e. the ID of the preference, not a preference value).
     *
     * @access private
     * @param string $prefName The preference name.
     * @return mixed The boolean false on failure, otherwise the integer
     *               ID of the preference.
     */
    public function _getPreferencesId($prefName)
    {
        $prefName = $this->oDBH->quote($prefName);
        $query = "
            SELECT
                *
            FROM
	           {$this->tblPrefsNew}
            WHERE
                preference_name = {$prefName}";
        $prefId = $this->oDBH->queryOne($query);
        if (PEAR::isError($prefId)) {
            $this->_logError('Failed to retrieve preference ID for ' . $prefName);
            return false;
        }
        return $prefId;
    }

    /**
     * A private method to insert an account preference value.
     *
     * @param integer $accountId The ID of the account the preference is to be
     *                           inserted for,
     * @param integer $preferenceId The ID of the preference.
     * @param string $value The preference value.
     * @return True on success, false otherwise.
     */
    public function _insertAccountPreferencesAssoc($accountId, $preferenceId, $value)
    {
        $value = $this->oDBH->quote($value, 'text');
        $query = "
            INSERT INTO
	           {$this->tblAccPrefs}
	           (
	               account_id,
	               preference_id,
	               value
               )
           VALUES
	           (
	               {$accountId},
	               {$preferenceId},
	               {$value}
               )";
        $result = $this->oDBH->Exec($query);
        if (PEAR::isError($result)) {
            $this->_logError("Failed to insert account/preference association record for
	                         account ID $accountId; preference ID $preferenceId; preference value '$value'");
            return false;
        }
        return true;
    }


    public function _movePreferencesAgency()
    {
        $query = "
            SELECT
	           *
            FROM
                {$this->tblPrefsOld}
            WHERE
                agencyid > 0";
        $aPrefOldAgency = $this->oDBH->queryAll($query);

        if (PEAR::isError($aPrefOldAgency)) {
            $this->_logError('Failed to retrieve agency preferences: ' . $aPrefOldAgency->getUserInfo());
            return true;
        }
        if (empty($aPrefOldAgency)) {
            return true;
        }

        // compare each agency pref value with admin value
        // store diffs as acct/pref assocs
        foreach ($this->aPrefMap as $newName => $aPrefNew) {
            if (substr($newName, 0, 9) != 'ui_column') {
                foreach ($aPrefOldAgency as $k => $aPrefOld) {
                    $oldName = $aPrefNew['name'];
                    $oldValue = (is_null($aPrefOld[$oldName]) ? '' : $aPrefOld[$oldName]);
                    if ($oldValue != $aPrefNew['value']) {
                        $query = "SELECT account_id
                	               FROM {$this->tblAgency}
                	               WHERE agencyid = {$aPrefOld['agencyid']}";
                        $accountId = $this->oDBH->queryOne($query);

                        if (PEAR::isError($accountId)) {
                            $this->_logError('Failed to retrieve account id for agency ' . $aPrefOld['agencyid']);
                            break;
                        }
                        $prefId = $this->_getPreferencesId($newName);
                        if (!$prefId) {
                            break;
                        }
                        $this->_insertAccountPreferencesAssoc($accountId, $prefId, $oldValue);
                    }
                }
            }
        }
        return true;
    }


    public function _getDefaultPreferences()
    {
        return [
          'default_banner_image_url' =>
          [
            'account_type' => 'TRAFFICKER',
            'default' => '',
          ],
          'default_banner_destination_url' =>
          [
            'account_type' => 'TRAFFICKER',
            'default' => '',
          ],
          'auto_alter_html_banners_for_click_tracking' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => true,
          ],
          'default_banner_weight' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => 1,
          ],
          'default_campaign_weight' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => 1,
          ],
          'warn_email_admin' =>
          [
            'account_type' => 'ADMIN',
            'default' => true,
          ],
          'warn_email_admin_impression_limit' =>
          [
            'account_type' => 'ADMIN',
            'default' => 100,
          ],
          'warn_email_admin_day_limit' =>
          [
            'account_type' => 'ADMIN',
            'default' => 1,
          ],
          'warn_email_manager' =>
          [
            'account_type' => 'MANAGER',
            'default' => true,
          ],
          'warn_email_manager_impression_limit' =>
          [
            'account_type' => 'MANAGER',
            'default' => 100,
          ],
          'warn_email_manager_day_limit' =>
          [
            'account_type' => 'MANAGER',
            'default' => 1,
          ],
          'warn_email_advertiser' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => true,
          ],
          'warn_email_advertiser_impression_limit' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => 100,
          ],
          'warn_email_advertiser_day_limit' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => 1,
          ],
          'timezone' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'tracker_default_status' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => 4,
          ],
          'tracker_default_type' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => 1,
          ],
          'tracker_link_campaigns' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => false,
          ],
          'ui_show_campaign_info' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => true,
          ],
          'ui_show_banner_info' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => true,
          ],
          'ui_show_campaign_preview' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => false,
          ],
          'ui_show_banner_html' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => false,
          ],
          'ui_show_banner_preview' =>
          [
            'account_type' => 'ADVERTISER',
            'default' => true,
          ],
          'ui_hide_inactive' =>
          [
            'account_type' => null,
            'default' => false,
          ],
          'ui_show_matching_banners' =>
          [
            'account_type' => 'TRAFFICKER',
            'default' => true,
          ],
          'ui_show_matching_banners_parents' =>
          [
            'account_type' => 'TRAFFICKER',
            'default' => false,
          ],
          'ui_novice_user' =>
          [
            'account_type' => null,
            'default' => true,
          ],
          'ui_week_start_day' =>
          [
            'account_type' => null,
            'default' => 1,
          ],
          'ui_percentage_decimals' =>
          [
            'account_type' => null,
            'default' => 2,
          ],
          'ui_column_id' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_id_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_id_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_requests' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_requests_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_requests_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_impressions' =>
          [
            'account_type' => 'MANAGER',
            'default' => true,
          ],
          'ui_column_impressions_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_impressions_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 1,
          ],
          'ui_column_clicks' =>
          [
            'account_type' => 'MANAGER',
            'default' => true,
          ],
          'ui_column_clicks_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_clicks_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 2,
          ],
          'ui_column_ctr' =>
          [
            'account_type' => 'MANAGER',
            'default' => true,
          ],
          'ui_column_ctr_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_ctr_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 3,
          ],
          'ui_column_conversions' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_conversions_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_conversions_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_conversions_pending' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_conversions_pending_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_conversions_pending_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_sr_views' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_sr_views_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_sr_views_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_sr_clicks' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_sr_clicks_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_sr_clicks_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_revenue' =>
          [
            'account_type' => 'MANAGER',
            'default' => true,
          ],
          'ui_column_revenue_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_revenue_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 4,
          ],
          'ui_column_cost' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_cost_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_cost_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_bv' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_bv_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_bv_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_num_items' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_num_items_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_num_items_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_revcpc' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_revcpc_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_revcpc_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_costcpc' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_costcpc_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_costcpc_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_technology_cost' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_technology_cost_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_technology_cost_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_income' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_income_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_income_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_income_margin' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_income_margin_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_income_margin_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_profit' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_profit_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_profit_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_margin' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_margin_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_margin_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_erpm' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_erpm_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_erpm_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_erpc' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_erpc_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_erpc_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_erps' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_erps_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_erps_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_eipm' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_eipm_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_eipm_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_eipc' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_eipc_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_eipc_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_eips' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_eips_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_eips_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_ecpm' =>
          [
            'account_type' => 'MANAGER',
            'default' => true,
          ],
          'ui_column_ecpm_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_ecpm_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 5,
          ],
          'ui_column_ecpc' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_ecpc_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_ecpc_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
          'ui_column_ecps' =>
          [
            'account_type' => 'MANAGER',
            'default' => false,
          ],
          'ui_column_ecps_label' =>
          [
            'account_type' => 'MANAGER',
            'default' => '',
          ],
          'ui_column_ecps_rank' =>
          [
            'account_type' => 'MANAGER',
            'default' => 0,
          ],
        ];
    }
}