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<?php
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// $Id: uts.hooks.data.php,v 1.1 2008/08/16 22:04:38 boombatower Exp $
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/**
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* @file
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* Provide data collection hook documentation for Usability Testing Suite.
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*
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* Copyright 2008 by Jimmy Berry ("boombatower", http://drupal.org/user/214218)
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*/
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/**
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* Define data collection the module provides. This provides the name and
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* description that will be displayed to both the user and is used to
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* determine what module can be used to collect data.
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*
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* @return array Data collection plug-in information.
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*
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* The array should use the module name as a key and contain the following
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* keys-value pairs (all required):
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*
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* - "name": Name used to reference the data collection plug-in.
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* - "description": Short description of the module that can be easily
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* understood by both the test creator and the participant.
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* - "software_require": Client side software requirements.
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* - "javascript": Boolean javascript required.
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*/
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function hook_uts_data_collection() {
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return array(
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'uts_plugin' => array(
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'name' => t('Plug-in name'),
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'description' => t('Plug-in description.'),
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'software_require' => FALSE,
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'javascript' => FALSE
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)
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);
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}
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/**
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* Define the client requirements and their status. This behaves similarly to
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* hook_requirements(). If the requirements are not met and the data collection
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* plug-in is not required then it will not be enabled for collection. If the
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* plug-in is required and the requirements are not met then it will not allow
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* the participant to continue until the requirements are satisfied.
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*
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* @return array Data collection plug-in information.
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*
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* The array should use the module name as a key and contain the following
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* keys-value pairs (all required):
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*
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* - "status": The requirements status, one of:
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* - 'ok': Requirement satisfied.
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* - 'warning': Requirement satisfied, but there is a warning.
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* - 'error': Requirement not satisfied.
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* - "name": Name used to reference the data collection plug-in.
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* - "description": Short description of the module that can be easily
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* understood by both the test creator and the participant.
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*/
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function hook_uts_client_requirements() {
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return array(
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'uts_plugin' => array(
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'status' => 'ok',
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'name' => t('Client requirement'),
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'description' => t('All requirements met, data collection enabled.')
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)
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);
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}
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/**
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* Retrieve the data collected by the plug-in for the specified parameters.
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* Just the first parameter or all the parameters must be specified.
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*
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* @param interger $study_nid Study NID.
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* @param string $session_id Session ID.
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* @param interger $start_timestamp Start timestamp.
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* @param integer $stop_timestamp Stop timestamp.
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* @return array Data within the specified paramters.
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*
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* The array should use the module name as a key and contain rows of data
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* with each element being an array key. There is not stringent requirement
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* since data can be in many different formats. The data will be requested by
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* analysis plug-ins that should know what to do with the returned data.
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*/
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function hook_uts_data_get($study_nid, $session_id = NULL, $start_timestamp = NULL, $stop_timestamp = NULL) {
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if ($session_id && $start_timestamp && $stop_timestamp) {
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$result = db_query("SELECT p.session_id, p.timestamp, p.element1, p.element2
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FROM {uts_plugin} p, {uts_session} s
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WHERE p.session_id = s.session_id
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AND s.study_nid = %d
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AND p.timestamp >= %d
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AND p.timestamp <= %d
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AND p.session_id = '%s'
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ORDER BY timestamp ASC", $study_nid, $start_timestamp, $stop_timestamp, $session_id);
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}
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else {
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$result = db_query("SELECT p.session_id, p.timestamp, p.element1, p.element2
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FROM {uts_plugin} p, {uts_session} s
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WHERE p.session_id = s.session_id
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AND s.study_nid = %d
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ORDER BY timestamp ASC", $study_nid);
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}
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$data = array();
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while ($record = db_fetch_array($result)) {
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$data[] = $record;
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}
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return array('uts_plugin' => $data);
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}
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/**
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* Delete data stored by data collection plug-in within the specified
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* parameters. The plug-ins are responsible for removing all data of any kind
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* be it files or database records.
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*
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* @param interger $study_nid Study NID.
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* @param string $session_id Session ID.
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*/
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function hook_uts_data_delete($study_nid, $session_id = NULL) {
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if ($session_id) {
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db_query("DELETE FROM {uts_plugin}
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WHERE session_id = '%s'", $session_id);
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}
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else {
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$sessions = uts_session_load_all($study_nid);
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if (count($sessions) > 0) {
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$placeholders = implode("','", array_fill(0, count($sessions), '%s'));
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db_query("DELETE FROM {uts_plugin}
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WHERE session_id IN ('$placeholders')", $sessions);
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}
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}
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}
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/**
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* Perform startup tasks upon the beginning of a study task. This hook is
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* called after the participant presses the "Start" button and begins the
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* a new task.
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*
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* This is not intended for code that takes a long time to execute as it will
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* hold up the participant.
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*
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* @param int $timestamp Standardized timestamp of the task completion time.
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*/
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function hook_uts_data_started_task($timestamp) {
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}
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/**
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* Perform cleanup or closure tasks upon the completion of a study task. This
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* hook is called after the participant presses the "Done" button or runs out of
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* time and is automatically forwarded to the next task.
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*
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* This is not intended for code that takes a long time to execute as it will
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* hold up the participant.
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*
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* @param int $timestamp Standardized timestamp of the task completion time.
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*/
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function hook_uts_data_completed_task($timestamp) {
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}
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/**
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* Perform cleanup or closure tasks upon the completion of a study. This hook
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* is called when the participant has completed all the tasks in the study.
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*
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* @param int $timestamp Standardized timestamp of the study completion time.
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*/
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function hook_uts_data_completed_study($timestamp) {
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}
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