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UserRightsHistory.php
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<?php
namespace YaleREDCap\UserRightsHistory;
use ExternalModules\AbstractExternalModule;
include_once "User.php";
include_once "Renderer.php";
include_once "UI.php";
include_once "CsvCreator.php";
class UserRightsHistory extends AbstractExternalModule
{
//////////////////
// REDCap Hooks //
//////////////////
function redcap_module_project_enable($version, $project_id)
{
$this->log('module project status', [
"version" => $version,
"status" => 1,
"project_id" => $project_id,
"previous" => json_encode("Disabled"),
"current" => json_encode("Enabled")
]);
}
function redcap_module_project_disable($version, $project_id)
{
$this->log('module project status', [
"version" => $version,
"status" => 0,
"project_id" => $project_id,
"previous" => json_encode("Enabled"),
"current" => json_encode("Disabled")
]);
}
function redcap_module_system_enable($version)
{
$this->log('module system status', [
"version" => $version,
"status" => 1
]);
}
function redcap_module_system_disable($version)
{
$this->log('module system status', [
"version" => $version,
"status" => 0
]);
}
function redcap_module_configuration_settings($project_id, $settings)
{
if ( empty($project_id) ) {
return $settings;
}
try {
// Get existing user access
$all_users = $this->getProject($project_id)->getUsers();
foreach ( $all_users as $user ) {
$username = $user->getUsername();
$name = $this->getName($username);
$user_key = $username . "_access";
$existing_access = $this->getProjectSetting($user_key, $project_id);
$settings[] = [
"key" => $user_key,
"name" => "<strong>" . ucwords($name) . "</strong> (" . $username . ")",
"type" => "checkbox",
"branchingLogic" => [
"field" => "restrict-access",
"value" => "1"
]
];
}
return $settings;
} catch ( \Throwable $e ) {
$this->log("Error creating configuration", [ "error" => $e->getMessage() ]);
}
}
function redcap_module_link_check_display($project_id, $link)
{
if ( $this->getProjectSetting("restrict-access") != 1 ) {
return $link;
}
$user = $this->getUser();
$user_access_key = $user->getUsername() . "_access";
$access = $this->getProjectSetting($user_access_key);
if ( $access != "1" && $user->isSuperUser() != true ) {
return null;
}
return $link;
}
function redcap_module_ajax($action, $payload, $project_id, $record, $instrument, $event_id, $repeat_instance, $survey_hash, $response_id, $survey_queue_hash, $page, $page_full, $user_id, $group_id)
{
if ( $action == "logging_table_ajax" ) {
// Is the logging page enabled?
if ( $this->getProjectSetting("disable-logging-table") == "1" ) {
return;
}
// If user is in a DAG and settings are appropriate, don't continue.
$current_dag = $this->getCurrentDag($project_id, $user_id);
$prevent_dags_from_seeing_logs = $this->getProjectSetting("prevent_logs_for_dags");
if ( $current_dag != null && $prevent_dags_from_seeing_logs != "1" ) {
return;
}
// Return logging data
[ $logs, $recordsFiltered ] = $this->getLogs($payload);
$total = $this->getTotalLogCount();
$response = array(
"data" => $logs,
"draw" => (int) $payload["draw"],
"recordsTotal" => $total,
"recordsFiltered" => $recordsFiltered
);
return $response;
} else if ( $action == "history_viewer_csv" ) {
try {
$timestamp = $payload["timestamp"];
$permissions = $this->getAllInfoByTimestamp($timestamp);
$csvCreator = new CsvCreator($permissions);
switch ($payload["type"]) {
case "users":
return $csvCreator->createUsersArray();
case "roles":
return $csvCreator->createRolesArray();
case "role_assignments":
return $csvCreator->createRoleAssignmentsArray();
}
} catch ( \Throwable $e ) {
$this->log("Error creating csv", [ "error" => $e->getMessage() ]);
}
}
}
//////////////////////
// Settings Methods //
//////////////////////
function shouldDagsBeChecked()
{
$dags_setting = $this->getProjectSetting("restrict-dag");
$current_dag = $this->getCurrentDag($this->getProject()->getProjectId(), $this->getUser()->getUsername());
$superUser = $this->getUser()->isSuperUser();
return !$superUser && $dags_setting != "1" && !is_null($current_dag);
}
function isDagRestricted($dag)
{
$current_dag = $this->getCurrentDag($this->getProject()->getProjectId(), $this->getUser()->getUsername());
return $this->shouldDagsBeChecked() && $dag != $current_dag;
}
//////////////////
// Main Methods //
//////////////////
function updateEnabledByDefaultStatus($currentStatus)
{
$lastStatusResult = $this->queryLogs("select status where message = ? order by timestamp desc limit 1", [ 'module enabled by default status' ]);
$lastStatus = $lastStatusResult->fetch_assoc()["status"];
if ( $currentStatus != $lastStatus ) {
$this->log('module enabled by default status', [ 'status' => $currentStatus ]);
}
}
function getAllProjectIds()
{
try {
$query = "select project_id from redcap_projects
where created_by is not null
and completed_time is null
and date_deleted is null";
$result = $this->query($query, []);
$project_ids = [];
while ( $row = $result->fetch_assoc() ) {
$project_ids[] = $row["project_id"];
}
return $project_ids;
} catch ( \Throwable $e ) {
$this->log("Error fetching all projects", [ "error" => $e->getMessage() ]);
}
}
function logVersionIfNeeded()
{
$current_version = end(explode("_", $this->getModuleDirectoryName()));
$sql = "select version where message = 'module version' and version = ? order by timestamp desc";
$result = $this->queryLogs($sql, [ $current_version ]);
$row = $result->fetch_assoc();
if ( empty($row) ) {
$this->log('module version', [ 'version' => $current_version, 'current' => json_encode($current_version) ]);
}
}
function updateProjectStatusMessageIfNeeded($localProjectId)
{
$sql = "select timestamp where message = 'module project status' and project_id = ?";
$result = $this->queryLogs($sql, [ $localProjectId ]);
$row = $result->fetch_assoc();
if ( empty($row) && in_array($localProjectId, $this->getProjectsWithModuleEnabled()) ) {
$this->log('module project status', [
"project_id" => $localProjectId,
"status" => 1,
"current" => json_encode("Enabled")
]);
}
}
function updateAllProjects($cronInfo = array())
{
try {
$enabledSystemwide = $this->getSystemSetting('enabled');
$this->updateEnabledByDefaultStatus($enabledSystemwide);
// log new versions manually
$this->logVersionIfNeeded();
if ( $enabledSystemwide == true ) {
$all_project_ids = $this->getAllProjectIds();
$project_ids = array_filter($all_project_ids, function ($project_id) {
return $this->isModuleEnabled('user_rights_history', $project_id);
});
} else {
$project_ids = $this->getProjectsWithModuleEnabled();
}
foreach ( $project_ids as $localProjectId ) {
// Ensure a project status message appears for this module.
$this->updateProjectStatusMessageIfNeeded($localProjectId);
$this->updateUserList($localProjectId);
$this->updateProjectInfo($localProjectId);
$this->updatePermissionsForAllUsers($localProjectId);
$this->updateAllRoles($localProjectId);
$this->updateAllDAGs($localProjectId);
$this->updateAllInstruments($localProjectId);
}
$this->updateAllSystem();
return "The \"{$cronInfo['cron_name']}\" cron job completed successfully.";
} catch ( \Throwable $e ) {
$this->log("Error updating projects", [ "error" => $e->getMessage() ]);
return "The \"{$cronInfo['cron_name']}\" cron job failed: " . $e->getMessage();
}
}
////////////////////////////
// PROJECT STATUS METHODS //
////////////////////////////
function updateProjectInfo($localProjectId)
{
$currentProjectInfo = $this->getCurrentProjectInfo($localProjectId) ?? [];
$lastProjectInfo = $this->getLastProjectInfo($localProjectId) ?? [];
$changes = $this->projectInfoChanges($lastProjectInfo, $currentProjectInfo);
if ( is_null($lastProjectInfo) || $changes["any_changes"] ) {
$this->saveProjectInfo($localProjectId, $currentProjectInfo, $changes);
}
}
function getCurrentProjectInfo($localProjectId)
{
try {
$sql = "select * from redcap_projects where project_id = ?";
$result = $this->query($sql, [ $localProjectId ]);
$result_array = $result->fetch_assoc();
unset($result_array["last_logged_event"]); // Prevent unncessary updates
unset($result_array["last_logged_event_exclude_exports"]); // Prevent unncessary updates
return $result_array;
} catch ( \Throwable $e ) {
$this->log('Error fetching project info', [ 'error' => $e->getMessage() ]);
}
}
function getLastProjectInfo($localProjectId)
{
$sql = "select info where message = 'project_info' and project_id = ? order by timestamp desc limit 1";
$result = $this->queryLogs($sql, [ $localProjectId ]);
$info_gzip = $result->fetch_assoc()["info"];
return json_decode(gzinflate(base64_decode($info_gzip)), true);
}
function projectInfoChanges(?array $oldProjectInfo, ?array $newProjectInfo)
{
$oldProjectInfo = is_null($oldProjectInfo) ? [] : $oldProjectInfo;
$newProjectInfo = is_null($newProjectInfo) ? [] : $newProjectInfo;
$difference1 = array_diff_assoc($oldProjectInfo, $newProjectInfo);
$difference2 = array_diff_assoc($newProjectInfo, $oldProjectInfo);
$any_changes = (count($difference1) + count($difference2)) > 0;
return [
"previous" => $difference1,
"current" => $difference2,
"any_changes" => $any_changes
];
}
function saveProjectInfo($localProjectId, array $newProjectInfo, array $changes)
{
$this->log('project_info', [
"project_id" => $localProjectId,
"info" => base64_encode(gzdeflate(json_encode($newProjectInfo), 9)),
"previous" => json_encode($changes["previous"]),
"current" => json_encode($changes["current"]),
"event" => sizeof($changes["previous"]) === 0 ? "Initialize URH Module" : "Update Project"
]);
}
///////////////////////
// USER LIST METHODS //
///////////////////////
function getCurrentUsers($localProjectId)
{
$project = $this->getProject($localProjectId);
$users = $project->getUsers();
$result = array();
foreach ( $users as $user ) {
$result[] = $user->getUsername();
}
return $result;
}
function updateUserList($localProjectId)
{
$currentUsers = $this->getCurrentUsers($localProjectId);
$lastUsers = $this->getLastUsers($localProjectId);
// if ($lastUsers == null) {
// $changes = array("added" => $currentUsers, "removed" => null);
// $this->saveUsers($localProjectId, $currentUsers, $changes);
// return null;
// }
$userChanges = $this->usersChanged($lastUsers, $currentUsers);
if ( $userChanges["wereChanged"] ) {
$this->saveUsers($localProjectId, $currentUsers, $userChanges);
}
if ( count($userChanges["removed"]) > 0 ) {
$this->markUsersRemoved($localProjectId, $userChanges["removed"]);
}
}
function getLastUsers($localProjectId)
{
$sql = "select users where message = 'users' and project_id = ? order by timestamp desc limit 1";
$result = $this->queryLogs($sql, [ $localProjectId ]);
$users_json = $result->fetch_assoc()["users"];
return json_decode($users_json, true);
}
function usersChanged($oldUsers, $newUsers)
{
$result = array();
$oldUsers = is_null($oldUsers) ? [] : $oldUsers;
$newUsers = is_null($newUsers) ? [] : $newUsers;
$result["removed"] = array_diff($oldUsers, $newUsers);
$result["added"] = array_diff($newUsers, $oldUsers);
$result["wereChanged"] = count($result["removed"]) > 0 || count($result["added"]) > 0;
$result["previous"] = $oldUsers;
$result["current"] = $newUsers;
return $result;
}
function saveUsers($localProjectId, $users, ?array $changes)
{
$event = "";
if ( sizeof($changes["added"]) > 0 ) {
$event .= "Add User(s)";
}
if ( sizeof($changes["removed"]) > 0 ) {
$event .= (sizeof($changes["added"]) > 0) ? "and Remove User(s)" : "Remove User(s)";
}
$this->log('users', [
"project_id" => $localProjectId,
"users" => json_encode($users),
"added" => json_encode($changes["added"]),
"removed" => json_encode($changes["removed"]),
"previous" => json_encode($changes["previous"]),
"current" => json_encode($changes["current"]),
"event" => $event
]);
}
///////////////////
// ROLES METHODS //
///////////////////
function updateAllRoles($localProjectId)
{
$currentRolesGzip = $this->getCurrentRoles($localProjectId);
$lastRolesGzip = $this->getLastRoles($localProjectId);
$rolesChanges = $this->getRolesChanges($lastRolesGzip, $currentRolesGzip);
if ( $rolesChanges["any_changes"] ) {
$this->saveRoles($localProjectId, $currentRolesGzip, $rolesChanges);
}
}
function getCurrentRoles($localProjectId)
{
try {
$sql = "select * from redcap_user_roles where project_id = ?";
$result = $this->query($sql, [ $localProjectId ]);
$roles = array();
while ( $role = $result->fetch_assoc() ) {
$roles[$role["role_id"]] = $role;
}
return !empty($roles) ? base64_encode(gzdeflate(json_encode($roles), 9)) : null;
} catch ( \Throwable $e ) {
$this->log("Error updating roles", [
"project_id" => $localProjectId,
"error" => $e->getMessage()
]);
}
}
function getLastRoles($localProjectId)
{
$sql = "select roles where message = 'roles' and project_id = ? order by timestamp desc limit 1";
$result = $this->queryLogs($sql, [ $localProjectId ]);
return $result->fetch_assoc()["roles"];
}
function getRolesChanges($lastRolesGzip, $currentRolesGzip)
{
$changes = array( "any_changes" => false );
if ( $lastRolesGzip !== $currentRolesGzip ) {
$lastRoles = json_decode(gzinflate(base64_decode($lastRolesGzip)), true) ?? [];
$currentRoles = json_decode(gzinflate(base64_decode($currentRolesGzip)), true) ?? [];
$changes["previous"] = array();
foreach ( $lastRoles as $index => $lastRole ) {
if ( empty($currentRoles[$index]) ) {
$changes["previous"][$index] = $lastRole;
} else {
$changes["previous"][$index] = array_diff_assoc($lastRole, $currentRoles[$index]);
}
}
$changes["current"] = array();
foreach ( $currentRoles as $index => $currentRole ) {
if ( empty($lastRoles[$index]) ) {
$changes["current"][$index] = $currentRole;
} else {
$changes["current"][$index] = array_diff_assoc($currentRole, $lastRoles[$index]);
}
}
$changes["any_changes"] = true;
}
return $changes;
}
function saveRoles($localProjectId, $rolesGzip, $changes)
{
$this->log('roles', [
"project_id" => $localProjectId,
"roles" => $rolesGzip,
"previous" => json_encode($changes["previous"]),
"current" => json_encode($changes["current"])
]);
}
/////////////////////////
// USER RIGHTS METHODS //
/////////////////////////
function updatePermissionsForAllUsers($localProjectId)
{
try {
$project = $this->getProject($localProjectId);
$users = $project->getUsers();
foreach ( $users as $user ) {
$this->updatePermissionsForUser($localProjectId, $user);
}
} catch ( \Throwable $e ) {
$this->log("Error updating users", [
"project_id" => $localProjectId,
"error" => $e->getMessage()
]);
}
}
/**
* Checks current rights with last saved rights; if they have changed,
* save the current rights to the log.
*
* @param user $user user object from EM framework
*
* @return void
*/
function updatePermissionsForUser($localProjectId, $user)
{
$username = $user->getUsername();
$currentPermissions_gzip = $this->getCurrentUserPermissions($localProjectId, $user);
$lastPermissions_gzip = $this->getLastUserPermissions($localProjectId, $username);
$permissionsChanges = $this->getPermissionsChanges($lastPermissions_gzip, $currentPermissions_gzip, $username);
if ( $lastPermissions_gzip == null || $permissionsChanges["any_changes"] ) {
$this->savePermissions($localProjectId, $currentPermissions_gzip, $permissionsChanges, $username);
}
}
/**
* @param user $user user object from EM framework
*
* @return string permissions, including name and account status
*/
function getCurrentUserPermissions($localProjectId, $user)
{
$username = $user->getUsername();
$name = $this->getName($username);
$email = $user->getEmail();
$suspended = $this->getStatus($username);
$rights = $user->getRights($localProjectId);
$isSuperUser = $user->isSuperUser();
$possibleDags = $this->getPossibleDags($localProjectId, $username);
$rights["name"] = $name;
$rights["email"] = $email;
$rights["suspended"] = $suspended;
$rights["isSuperUser"] = $isSuperUser;
$rights["possibleDags"] = $possibleDags;
return base64_encode(gzdeflate(json_encode($rights), 9));
}
function getLastUserPermissions($localProjectId, string $username)
{
$sql = "select rights where message = 'rights' and user_name = ? and project_id = ? order by timestamp desc limit 1";
$result = $this->queryLogs($sql, [ $username, $localProjectId ]);
$rights_gzip = $result->fetch_assoc()["rights"];
return $rights_gzip;
}
function getName(string $username)
{
try {
$sql = "select concat(user_firstname, ' ', user_lastname) name
from redcap_user_information
where username = ?";
$result = $this->query($sql, [ $username ]);
return $result->fetch_assoc()["name"];
} catch ( \Throwable $e ) {
$this->log("Error fetching name", [ "error" => $e->getMessage() ]);
}
}
function getCurrentDag($localProjectId, $username)
{
try {
$sql = "select group_id from redcap_user_rights where project_id = ? and username = ?";
$result = $this->query($sql, [ $localProjectId, $username ]);
$dag = $result->fetch_assoc()["group_id"];
return $dag;
} catch ( \Throwable $e ) {
$this->log("Error fetching current dag", [ "error" => $e->getMessage() ]);
}
}
function getPossibleDags($localProjectId, string $username)
{
try {
$sql = "select group_id from redcap_data_access_groups_users where project_id = ? and username = ?";
$result = $this->query($sql, [ $localProjectId, $username ]);
$possibleDags = array();
while ( $row = $result->fetch_assoc() ) {
$possibleDags[] = $row["group_id"];
}
return $possibleDags;
} catch ( \Throwable $e ) {
$this->log("Error fetching possible dags", [ "error" => $e->getMessage() ]);
}
}
function getStatus(string $username)
{
try {
$sql = "select user_suspended_time < NOW() suspended
from redcap_user_information
where username = ?";
$result = $this->query($sql, [ $username ]);
return $result->fetch_assoc()["suspended"] === 1;
} catch ( \Throwable $e ) {
$this->log("Error fetching status", [ "error" => $e->getMessage() ]);
}
}
function getPermissionsChanges(?string $oldPermissions_gzip, ?string $newPermissions_gzip, $username)
{
try {
$changes = array( "any_changes" => false );
if ( $oldPermissions_gzip !== $newPermissions_gzip ) {
$changes["any_changes"] = true;
$oldPermissions = json_decode(gzinflate(base64_decode($oldPermissions_gzip)), true) ?? [];
$newPermissions = json_decode(gzinflate(base64_decode($newPermissions_gzip)), true) ?? [];
$changes["previous"] = array_diff_assoc($oldPermissions, $newPermissions);
$changes["current"] = array_diff_assoc($newPermissions, $oldPermissions);
if ( empty($changes["previous"]["username"]) && empty($changes["current"]["username"]) ) {
$changes["previous"]["username"] = $username;
$changes["current"]["username"] = $username;
}
$possibleDagChanges_previous = array_diff_assoc($oldPermissions["possibleDags"] ?? [], $newPermissions["possibleDags"]);
$possibleDagChanges_current = array_diff_assoc($newPermissions["possibleDags"], $oldPermissions["possibleDags"] ?? []);
if ( count($possibleDagChanges_previous) > 0 || count($possibleDagChanges_current) > 0 ) {
$changes["previous"]["possibleDags"] = $possibleDagChanges_previous;
$changes["current"]["possibleDags"] = $possibleDagChanges_current;
}
}
return $changes;
} catch ( \Throwable $e ) {
$this->log('Error getting user permission changes', [ "username" => $username, "error" => $e->getMessage() ]);
}
}
function savePermissions($localProjectId, string $newPermissions_gzip, array $permissionsChanges, $username)
{
try {
$previous = $permissionsChanges["previous"];
if ( !empty($previous['api_token']) ) {
$previous['api_token'] = $this->replaceMiddleChars($previous['api_token']);
}
$current = $permissionsChanges["current"];
if ( !empty($current['api_token']) ) {
$current['api_token'] = $this->replaceMiddleChars($current['api_token']);
}
$this->log('rights', [
"user_name" => $username,
"project_id" => $localProjectId,
"rights" => $newPermissions_gzip,
"previous" => json_encode($previous),
"current" => json_encode($current)
]);
} catch ( \Throwable $e ) {
$this->log('Error saving user permissions', [ "username" => $username, "error" => $e->getMessage() ]);
}
}
function markUsersRemoved($localProjectId, $removed_users)
{
foreach ( $removed_users as $username ) {
try {
$lastPermissions_gzip = $this->getLastUserPermissions($localProjectId, $username);
$changes = $this->getPermissionsChanges($lastPermissions_gzip, null, $username);
$this->log('rights', [
"user_name" => $username,
"rights" => null,
"status" => "removed",
"project_id" => $localProjectId,
"previous" => json_encode($changes["previous"]),
"current" => json_encode($changes["current"])
]);
} catch ( \Throwable $e ) {
$this->log('Error marking user removed', [ "username" => $username, "error" => $e->getMessage() ]);
}
}
}
/////////////////
// DAG Methods //
/////////////////
function updateAllDAGs($localProjectId)
{
$currentDAGsGzip = $this->getCurrentDAGs($localProjectId);
$lastDAGsGzip = $this->getLastDAGs($localProjectId);
$dagChanges = $this->getDAGsChanges($lastDAGsGzip, $currentDAGsGzip);
if ( $dagChanges["any_changes"] ) {
$this->saveDAGs($localProjectId, $currentDAGsGzip, $dagChanges);
}
}
function getCurrentDAGs($localProjectId)
{
try {
$sql = "select * from redcap_data_access_groups where project_id = ?";
$result = $this->query($sql, [ $localProjectId ]);
$dags = array();
while ( $dag = $result->fetch_assoc() ) {
$dags[$dag["group_id"]] = $dag;
}
return !empty($dags) ? base64_encode(gzdeflate(json_encode($dags), 9)) : null;
} catch ( \Throwable $e ) {
$this->log("Error updating dags", [
"project_id" => $localProjectId,
"error" => $e->getMessage()
]);
}
}
function getLastDAGs($localProjectId)
{
$sql = "select dags where message = 'dags' and project_id = ? order by timestamp desc limit 1";
$result = $this->queryLogs($sql, [ $localProjectId ]);
return $result->fetch_assoc()["dags"];
}
function getDAGsChanges($lastDAGsGzip, $currentDAGsGzip)
{
$changes = array( "any_changes" => false );
if ( $lastDAGsGzip !== $currentDAGsGzip ) {
$changes["any_changes"] = true;
$lastDAGs = json_decode(gzinflate(base64_decode($lastDAGsGzip)), true) ?? [];
$currentDAGs = json_decode(gzinflate(base64_decode($currentDAGsGzip)), true) ?? [];
$changes["previous"] = array();
foreach ( $lastDAGs as $index => $lastDAG ) {
if ( empty($currentDAGs[$index]) ) {
$changes["previous"][$index] = $lastDAG;
} else {
$changes["previous"][$index] = array_diff_assoc($lastDAG, $currentDAGs[$index]);
}
}
$changes["current"] = array();
foreach ( $currentDAGs as $index => $currentDAG ) {
if ( empty($lastDAGs[$index]) ) {
$changes["current"][$index] = $currentDAG;
} else {
$changes["current"][$index] = array_diff_assoc($currentDAG, $lastDAGs[$index]);
}
}
}
return $changes;
}
function saveDAGs($localProjectId, $dagsGzip, $dagChanges)
{
$this->log('dags', [
"project_id" => $localProjectId,
"dags" => $dagsGzip,
"current" => json_encode($dagChanges["current"]),
"previous" => json_encode($dagChanges["previous"])
]);
}
////////////////////
// System Methods //
////////////////////
function updateAllSystem()
{
try {
$currentSystemGzip = $this->getCurrentSystem();
$lastSystemGzip = $this->getLastSystem();
$systemChanges = $this->getSystemChanges($lastSystemGzip, $currentSystemGzip);
if ( empty($lastSystemGzip) || $systemChanges["any_changes"] ) {
$this->saveSystem($currentSystemGzip, $systemChanges);
}
} catch ( \Throwable $e ) {
$this->log("Error updating system", [
"error" => $e->getMessage()
]);
}
}
function getCurrentSystem()
{
try {
$sql = "select * from redcap_config";
$result = $this->query($sql, []);
$fields = [ "enable_plotting", "dts_enabled_global", "api_enabled", "mobile_app_enabled", "mycap_enabled_global" ];
$system_info = array();
while ( $row = $result->fetch_assoc() ) {
if ( in_array($row["field_name"], $fields, true) ) {
$system_info[$row["field_name"]] = $row["value"];
}
}
return base64_encode(gzdeflate(json_encode($system_info), 9));
} catch ( \Throwable $e ) {
$this->log("Error getting current system", [
"error" => $e->getMessage()
]);
}
}
function getLastSystem()
{
$sql = "select info where message = 'system' order by timestamp desc limit 1";
$result = $this->queryLogs($sql, []);
return $result->fetch_assoc()["info"];
}
function getSystemChanges($lastSystemGzip, $currentSystemGzip)
{
$changes = array( "any_changes" => false );
if ( $lastSystemGzip !== $currentSystemGzip ) {
$changes["any_changes"] = true;
$lastSystem = json_decode(gzinflate(base64_decode($lastSystemGzip)), true) ?? [];
$currentSystem = json_decode(gzinflate(base64_decode($currentSystemGzip)), true) ?? [];
$changes["previous"] = array_diff_assoc($lastSystem, $currentSystem);
$changes["current"] = array_diff_assoc($currentSystem, $lastSystem);
}
return $changes;
}
function saveSystem($system_gzip, $systemChanges)
{
$this->log('system', [
"info" => $system_gzip,
"current" => json_encode($systemChanges["current"]),
"previous" => json_encode($systemChanges["previous"])
]);
}
////////////////////////
// Instrument Methods //
////////////////////////
function updateAllInstruments($localProjectId)
{
$currentInstrumentsGzip = $this->getCurrentInstruments($localProjectId);
$lastInstrumentsGzip = $this->getLastInstruments($localProjectId);
$instrumentsChanges = $this->getInstrumentsChanges($lastInstrumentsGzip, $currentInstrumentsGzip);
if ( $instrumentsChanges["any_changes"] ) {
$this->saveInstruments($localProjectId, $currentInstrumentsGzip, $instrumentsChanges);
}
}
function getCurrentInstruments($localProjectId)
{
try {
$sql = "select m.form_name id,max(m.form_menu_description) title, s.survey_id from redcap_metadata m
left join redcap_surveys s
on m.form_name = s.form_name
and m.project_id = s.project_id
where m.project_id = ?
group by m.project_id, m.form_name
order by m.field_order";
$result = $this->query($sql, [ $localProjectId ]);
$instruments = [];
while ( $instrument = $result->fetch_assoc() ) {
$instruments[$instrument["id"]] = $instrument;
}
return base64_encode(gzdeflate(json_encode($instruments), 9));
} catch ( \Throwable $e ) {
$this->log("Error updating instruments", [
"error" => $e->getMessage()
]);
}
}
function getLastInstruments($localProjectId)
{
$sql = "select instruments where message = 'instruments' and project_id = ? order by timestamp desc limit 1";
$result = $this->queryLogs($sql, [ $localProjectId ]);
return $result->fetch_assoc()["instruments"];
}
function getInstrumentsChanges($lastInstrumentsGzip, $currentInstrumentsGzip)
{
$changes = array( "any_changes" => false );
if ( $lastInstrumentsGzip !== $currentInstrumentsGzip ) {
$changes["any_changes"] = true;
$lastInstruments = json_decode(gzinflate(base64_decode($lastInstrumentsGzip)), true) ?? [];
$currentInstruments = json_decode(gzinflate(base64_decode($currentInstrumentsGzip)), true) ?? [];
$changes["previous"] = array_diff_assoc($lastInstruments, $currentInstruments);
$changes["current"] = array_diff_assoc($currentInstruments, $lastInstruments);
}
return $changes;
}
function saveInstruments($localProjectId, $instruments_gzip, $instrumentsChanges)
{
$this->log('instruments', [
"project_id" => $localProjectId,
"instruments" => $instruments_gzip,
"previous" => json_encode($instrumentsChanges["previous"]),
"current" => json_encode($instrumentsChanges["current"])
]);
}
///////////////////////////
// Module Status Methods //
///////////////////////////
function getModuleSystemStatusByTimestamp($timestamp_clean)
{
$system_status_sql = "select status where message = 'module system status' and project_id is null";
$system_status_sql .= $timestamp_clean === 0 ? "" : " and timestamp <= from_unixtime(?)";
$system_status_sql .= " order by timestamp desc limit 1";
$system_status_result = $this->queryLogs($system_status_sql, [ $timestamp_clean ]);
$status = $system_status_result->fetch_assoc()["status"];
return isset($status) ? intval($status) : $status;
}
function getModuleProjectStatusByTimestamp($timestamp_clean)
{
$project_status_sql = "select status where message = 'module project status'";
$project_status_sql .= $timestamp_clean === 0 ? "" : " and timestamp <= from_unixtime(?)";
$project_status_sql .= " order by timestamp desc limit 1";
$project_status_result = $this->queryLogs($project_status_sql, [ $timestamp_clean ]);
$status = $project_status_result->fetch_assoc()["status"];
return isset($status) ? intval($status) : $status;
}
function getModuleDefaultEnabledByTimestamp($timestamp_clean)
{
$default_status_sql = "select status where message = 'module enabled by default status' and project_id is null";
$default_status_sql .= $timestamp_clean === 0 ? "" : " and timestamp <= from_unixtime(?)";
$default_status_sql .= " order by timestamp desc limit 1";
$default_status_result = $this->queryLogs($default_status_sql, [ $timestamp_clean ]);
$status = $default_status_result->fetch_assoc()["status"];
return isset($status) ? intval($status) : $status;
}
function getModuleStatusByTimestamp($timestamp_clean)
{
$system_status = $this->getModuleSystemStatusByTimestamp($timestamp_clean);
if ( $system_status === 0 ) {
return 0;
}
$project_status = $this->getModuleProjectStatusByTimestamp($timestamp_clean);
if ( $project_status === 1 ) {
return 1;
} else if ( $project_status === 0 ) {
return 0;
}
return $this->getModuleDefaultEnabledByTimestamp($timestamp_clean);
}
////////////////////////////
// Module Version Methods //
////////////////////////////
/**
* Get the timestamp of the first 'module version' log
*
* This is useful, as the adoption of some module functions coincided with these logs
* @return int
*/
function getFirstModuleVersionTimestamp()
{
$sql = "select UNIX_TIMESTAMP(timestamp) where message = 'module version' and project_id is null order by timestamp limit 1";
$result = $this->queryLogs($sql, []);
$timestamp = $result->fetch_assoc()["UNIX_TIMESTAMP(redcap_external_modules_log.timestamp)"];
return intval($timestamp);
}
function isTimestampOld($timestamp_clean)
{
$sql = "message = 'module version' and project_id is null";
$sql .= $timestamp_clean === 0 ? "" : " and timestamp <= from_unixtime(?)";
$result = intval($this->countLogs($sql, [ $timestamp_clean ]));
return $result === 0;
}
///////////////////////
// Filtering Methods //
///////////////////////
function getUserPermissionsByTimestamp($username, $timestamp_clean)
{
$sql = "select rights where message = 'rights' and user_name = ?";
$sql .= $timestamp_clean === 0 ? "" : " and timestamp <= from_unixtime(?)";
$sql .= " order by timestamp desc limit 1";
$result = $this->queryLogs($sql, [ $username, $timestamp_clean ]);
$rights_gzip = $result->fetch_assoc()["rights"];
return json_decode(gzinflate(base64_decode($rights_gzip)), true);
}
function getUsersByTimestamp($timestamp_clean)
{
$sql = "select users where message = 'users'";
$sql .= $timestamp_clean === 0 ? "" : " and timestamp <= from_unixtime(?)";
$sql .= " order by timestamp desc limit 1";
$result = $this->queryLogs($sql, [ $timestamp_clean ]);
$users_json = $result->fetch_assoc()["users"];
return json_decode($users_json, true);
}
private function getValueByTimestamp($timestamp_clean, $message, $column, $system = false)
{
$sql = "select $column where message = ?";
$sql .= $system ? " and project_id is null" : "";
$sql .= $timestamp_clean === 0 ? "" : " and timestamp <= from_unixtime(?)";
$sql .= " order by timestamp desc limit 1";
$result = $this->queryLogs($sql, [ $message, $timestamp_clean ]);
$gzip = $result->fetch_assoc()[$column];
return json_decode(gzinflate(base64_decode($gzip)), true);
}
function getProjectStatusByTimestamp($timestamp_clean)
{
return $this->getValueByTimestamp($timestamp_clean, 'project_info', 'info');
}