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clinical_rules.php
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clinical_rules.php
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<?php
// Copyright (C) 2010 Brady Miller <brady@sparmy.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// Functions are kept here that will support the clinical rules.
require_once(dirname(__FILE__) . "/patient.inc");
require_once(dirname(__FILE__) . "/forms.inc");
require_once(dirname(__FILE__) . "/formdata.inc.php");
require_once(dirname(__FILE__) . "/options.inc.php");
// Display the clinical summary widget.
// Parameters:
// $patient_id - pid of selected patient
// $dateTarget - target date. If blank then will test with current date as target.
function clinical_summary_widget($patient_id,$dateTarget='') {
// Set date to current if not set
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
// Collect active actions
$actions = test_rules_clinic('','passive_alert',$dateTarget,'reminders',$patient_id);
// Display the actions
foreach ($actions as $action) {
if ($action['custom_flag']) {
// Start link for reminders that use the custom rules input screen
echo "<a href='../rules/patient_data.php?category=" .
htmlspecialchars( $action['category'], ENT_QUOTES) . "&item=" .
htmlspecialchars( $action['item'], ENT_QUOTES) .
"' class='iframe medium_modal' onclick='top.restoreSession()'>";
}
else if ($action['clin_rem_link']) {
// Start link for reminders that use the custom rules input screen
echo "<a href='../../../" . $action['reminder_message'] .
"' class='iframe medium_modal' onclick='top.restoreSession()'>";
}
else {
// continue, since no link will be created
}
// Display Reminder Details
echo generate_display_field(array('data_type'=>'1','list_id'=>'rule_action_category'),$action['category']) .
": " . generate_display_field(array('data_type'=>'1','list_id'=>'rule_action'),$action['item']);
if ($action['custom_flag'] || $action['clin_rem_link']) {
// End link for reminders that use an html link
echo "</a>";
}
// Display due status
if ($action['due_status']) {
// Color code the status (red for past due, yellow for due, and black for soon due)
if ($action['due_status'] == "past_due") {
echo " (<span style='color:red'>";
}
else if ($action['due_status'] == "due") {
echo " (<span style='color:green'>";
}
else {
echo " (<span>";
}
echo generate_display_field(array('data_type'=>'1','list_id'=>'rule_reminder_due_opt'),$action['due_status']) . "</span>)<br>";
}
else {
echo "<br>";
}
}
}
// Test the clinic rules of entire clinic and create a report or patient reminders
// (can also test on one patient or patients of one provider)
// Parameters:
// $provider - id of a selected provider. If blank, then will test entire clinic.
// $type - rule filter (active_alert,passive_alert,cqm,amc,patient_reminder). If blank then will test all rules.
// $dateTarget - target date. If blank then will test with current date as target.
// $mode - choose either 'report' or 'reminders' (required)
// $patient_id - pid of patient. If blank then will check all patients.
// Return:
// Returns a two-dimensional array of results that depends on the mode:
// reminders mode - returns an array of reminders (action array elements plus a 'pid' and 'due_status')
// report mode - returns an array of rows for the Clinical Quality Measures (CQM) report
function test_rules_clinic($provider='',$type='',$dateTarget='',$mode='',$patient_id='') {
// Set date to current if not set
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
// Prepare the results array
$results = array();
// Collect all patient ids
$patientData = array();
if (!empty($patient_id)) {
// only look at the selected patient
array_push($patientData,$patient_id);
}
else {
if (empty($provider)) {
// Look at entire practice
$rez = sqlStatement("SELECT `pid` FROM `patient_data`");
for($iter=0; $row=sqlFetchArray($rez); $iter++) {
$patientData[$iter]=$row;
}
}
else {
// Look at one provider
$rez = sqlStatement("SELECT `pid` FROM `patient_data` " .
"WHERE providerID=?", array($provider) );
for($iter=0; $row=sqlFetchArray($rez); $iter++) {
$patientData[$iter]=$row;
}
}
}
// Go through each patient(s)
//
// If in report mode, then tabulate for each rule:
// Total Patients
// Patients that pass the filter
// Patients that pass the target
// If in reminders mode, then create reminders for each rule:
// Reminder that action is due soon
// Reminder that action is due
// Reminder that action is post-due
//Collect applicable rules
if ($mode == "reminders") {
// Use per patient custom rules (if exist)
$rules = resolve_rules_sql($type,$patient_id);
}
else { // $mode = "report"
// Only use default rules (do not use patient custom rules
$rules = resolve_rules_sql($type);
}
foreach( $rules as $rowRule ) {
// If in reminder mode then need to collect the measurement dates
// from rule_reminder table
$target_dates = array();
if ($mode == "reminders") {
// Calculate the dates to check for
if ($type == "patient_reminder") {
$reminder_interval_type = "patient_reminder";
}
else { // $type == "passive_alert" or $type == "active_alert"
$reminder_interval_type = "clinical_reminder";
}
$target_dates = calculate_reminder_dates($rowRule['id'], $dateTarget, $reminder_interval_type);
}
else { // $mode == "reports"
// Only use the target date in the report
$target_dates[0] = $dateTarget;
}
//Reset the counters
$total_patients = 0;
$pass_filter = 0;
$pass_target = 0;
foreach( $patientData as $rowPatient ) {
// Count the total patients
$total_patients++;
$dateCounter = 1; // for reminder mode to keep track of which date checking
foreach ( $target_dates as $dateFocus ) {
//Skip if date is set to SKIP
if ($dateFocus == "SKIP") {
$dateCounter++;
continue;
}
//Set date counter and reminder token (applicable for reminders only)
if ($dateCounter == 1) {
$reminder_due = "soon_due";
}
else if ($dateCounter == 2) {
$reminder_due = "due";
}
else { // $dateCounter == 3
$reminder_due = "past_due";
}
// Check if pass filter
$passFilter = test_filter($rowPatient['pid'],$rowRule['id'],$dateFocus);
if ($passFilter) {
$pass_filter++;
}
else {
$dateCounter++;
continue;
}
// Check if pass target
$passTarget = test_targets($rowPatient['pid'],$rowRule['id'],'',$dateFocus);
if ($passTarget) {
$pass_target++;
break;
}
else {
if ($mode == "reminders") {
// place the actions into the reminder return array
$actionArray = resolve_action_sql($rowRule['id'],'1');
foreach ($actionArray as $action) {
$action_plus = $action;
$action_plus['due_status'] = $reminder_due;
$action_plus['pid'] = $rowPatient['pid'];
$results = reminder_results_integrate($results, $action_plus);
}
}
}
$dateCounter++;
}
}
// Calculate and save the data for the rule
if ($pass_filter > 0) {
$percentage = number_format(($pass_target/$pass_filter)*100) . xl('%');
}
else {
$percentage = "0". xl('%');
}
if ($mode == "report") {
$newRow=array("main", $rowRule['id'], $total_patients, $pass_filter, $pass_target, $percentage);
array_push($results, $newRow);
}
// Find the number of target groups, and go through each one if more than one
$targetGroups = numberTargetGroups($rowRule['id']);
if ($targetGroups > 1) {
if ($mode == "reminders") {
$start_id = 2;
}
else { // $mode == "report"
$start_id = 1;
}
for ($i = $start_id; $i <= $targetGroups; $i++){
//Reset the target counter
$pass_target = 0;
foreach( $patientData as $rowPatient ) {
$dateCounter = 1; // for reminder mode to keep track of which date checking
foreach ( $target_dates as $dateFocus ) {
//Skip if date is set to SKIP
if ($dateFocus == "SKIP") {
$dateCounter++;
continue;
}
//Set date counter and reminder token (applicable for reminders only)
if ($dateCounter == 1) {
$reminder_due = "soon_due";
}
else if ($dateCounter == 2) {
$reminder_due = "due";
}
else { // $dateCounter == 3
$reminder_due = "past_due";
}
//Check if pass target
$passTarget = test_targets($rowPatient['pid'],$rowRule['id'],$i,$dateFocus);
if ($passTarget) {
$pass_target++;
break;
}
else {
if ($mode == "reminders") {
// place the actions into the reminder return array
$actionArray = resolve_action_sql($rowRule['id'],$i);
foreach ($actionArray as $action) {
$action_plus = $action;
$action_plus['due_status'] = $reminder_due;
$action_plus['pid'] = $rowPatient['pid'];
$results = reminder_results_integrate($results, $action_plus);
}
}
}
$dateCounter++;
}
}
// Calculate and save the data for the rule
if ($pass_filter > 0) {
$percentage = number_format(($pass_target/$pass_filter)*100) . xl('%');
}
else {
$percentage = "0". xl('%');
}
// Collect action for title (just use the first one, if more than one)
$actionArray = resolve_action_sql($rowRule['id'],$i);
$action = $actionArray[0];
if ($mode == "report") {
$newRow=array("sub", $action['category']."::".$action['item'], " ", " ", $pass_target, $percentage);
array_push($results, $newRow);
}
}
}
}
// Return the data
return $results;
}
// Test filter of a selected rule on a selected patient
// Parameters:
// $patient_id - pid of selected patient.
// $rule - id(string) of selected rule
// $dateTarget - target date.
// Return:
// boolean (if pass filter then true, otherwise false)
function test_filter($patient_id,$rule,$dateTarget) {
// Set date to current if not set
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
// Collect patient information
$patientData = getPatientData($patient_id, "sex, DATE_FORMAT(DOB,'%Y %m %d') as DOB_TS");
// -------- Special Filters --------
// Check for special flag required by many of the CQM rules, that uses a standard
// measurement year (Jan1-Dec31). This adjusted date would then be used for
// date to calculate patient age and as the start range if filtering for clinic
// appointments. The value (usually will be 1) of this
// contains how many years to include.
$adjustedDate1 = '';
$adjustedDate2 = '';
$filter = resolve_filter_sql($rule,'filt_measure_period');
if (!empty($filter)) {
$row = $filter[0];
if ($row['method_detail'] == "year") {
$tempDateArray = explode("-",$dateTarget);
$tempYear = $tempDateArray[0];
// Set too one second before the measurement period
$adjustedDate1 = ($tempYear - $row['value']) . "-12-31 23:59:59";
// Set too the first second of the measurement period
$adjustedDate2 = ($tempYear - ($row['value']-1)) . "-01-01 00:00:00";
// Set target date to the last second of the measurement period
$dateTarget = ($tempYear - ($row['value']-1)) . "-12-31 23:59:59";
}
}
// -------- Age Filter ------------
// Calculate patient age in years and months
if (!empty($adjustedDate1)) {
// See above Special Filters section in for details.
$patientAgeYears = convertDobtoAgeYearDecimal($patientData['DOB_TS'],$adjustedDate1);
$patientAgeMonths = convertDobtoAgeMonthDecimal($patientData['DOB_TS'],$adjustedDate1);
}
else {
$patientAgeYears = convertDobtoAgeYearDecimal($patientData['DOB_TS'],$dateTarget);
$patientAgeMonths = convertDobtoAgeMonthDecimal($patientData['DOB_TS'],$dateTarget);
}
// Min age (year) Filter (includes) (assume that there in not more than one of each)
$filter = resolve_filter_sql($rule,'filt_age_min');
if (!empty($filter)) {
$row = $filter[0];
if ($row ['method_detail'] == "year") {
if ( $row['value'] && ($row['value'] > $patientAgeYears) ) {
return false;
}
}
if ($row ['method_detail'] == "month") {
if ( $row['value'] && ($row['value'] > $patientAgeMonths) ) {
return false;
}
}
}
// Max age (year) Filter (includes) (assume that there in not more than one of each)
$filter = resolve_filter_sql($rule,'filt_age_max');
if (!empty($filter)) {
$row = $filter[0];
if ($row ['method_detail'] == "year") {
if ( $row['value'] && ($row['value'] < $patientAgeYears) ) {
return false;
}
}
if ($row ['method_detail'] == "month") {
if ( $row['value'] && ($row['value'] < $patientAgeMonths) ) {
return false;
}
}
}
// -------- Gender Filter ---------
// Gender Filter (includes) (assume that there in not more than one of each)
$filter = resolve_filter_sql($rule,'filt_sex');
if (!empty($filter)) {
$row = $filter[0];
if ( $row['value'] && ($row['value'] != $patientData['sex']) ) {
return false;
}
}
// -------- Database Filter ------
// Database Filter (includes)
$filter = resolve_filter_sql($rule,'filt_database');
if ((!empty($filter)) && !database_check($patient_id,$filter,'',$dateTarget)) return false;
// -------- Lists Filter ----
// Set up lists filter, which is fully customizable and currently includes diagnoses, meds,
// surgeries and allergies.
$filter = resolve_filter_sql($rule,'filt_lists');
if ((!empty($filter)) && !lists_check($patient_id,$filter,$dateTarget)) return false;
// Set up exclusion filter
$filter = resolve_filter_sql($rule,'filt_lists',0);
if ((!empty($filter)) && lists_check($patient_id,$filter,$dateTarget)) return false;
// -------- Clinic Visit(s) Filter --------
$filter = resolve_filter_sql($rule,'filt_encounter_min');
if (!empty($filter)) {
$row = $filter[0];
// For total number of appointments, simply get number of encounters
if (!empty($adjustedDate2)) {
// See above Special Filters section in for details.
$encounters = getEncounters($patient_id,$adjustedDate2,$dateTarget);
}
else {
$encounters = getEncounters($patient_id,'',$dateTarget);
}
(empty($encounters)) ? $totalNumberAppt = 0 : $totalNumberAppt = count($encounters);
if ($row['value'] && $totalNumberAppt < $row['value']) return false;
}
// Passed all filters, so return true.
return true;
}
// Return the number of target groups of a selected rule
// Parameters:
// $rule - id(string) of rule
// Return:
// integer, number of target groups associated with rule
function numberTargetGroups($rule) {
$numberGroups = 1;
$sql = sqlQuery("SELECT max(`group_id`) as numberGroups FROM `rule_target` " .
"WHERE `id`=?", array($rule) );
if ($sql['numberGroups']) $numberGroups = $sql['numberGroups'];
return $numberGroups;
}
// Test targets of a selected rule on a selected patient
// Parameters:
// $patient_id - pid of selected patient.
// $rule - id(string) of selected rule (if blank, then will ignore grouping)
// $group_id - group id of target group
// $dateTarget - target date.
// Return:
// boolean (if target passes then true, otherwise false)
function test_targets($patient_id,$rule,$group_id='',$dateTarget) {
// -------- Interval Target ----
$interval = resolve_target_sql($rule,$group_id,'target_interval');
// -------- Database Target ----
// Database Target (includes)
$target = resolve_target_sql($rule,$group_id,'target_database');
if ((!empty($target)) && !database_check($patient_id,$target,$interval,$dateTarget)) return false;
// -------- Procedure (labs,imaging,test,procedures,etc) Target ----
// Procedure Target (includes)
$target = resolve_target_sql($rule,$group_id,'target_proc');
if ((!empty($target)) && !procedure_check($patient_id,$target,$interval,$dateTarget)) return false;
// -------- Appointment Target ----
// Appointment Target (includes) (Specialized functionality for appointment reminders)
$target = resolve_target_sql($rule,$group_id,'target_appt');
if ((!empty($target)) && appointment_check($patient_id,$dateTarget)) return false;
// Passed all target tests, so return true.
return true;
}
// Function to return active rules
// Parameters:
// $type - rule filter (active_alert,passive_alert,cqm,amc,patient_reminder)
// $patient_id - pid of selected patient. (if custom rule does not exist then
// will use the default rule)
// $configurableOnly - true if only want the configurable (per patient) rules
// (ie. ignore cqm and amc rules)
// Return: array containing rules
function resolve_rules_sql($type='',$patient_id='0',$configurableOnly=FALSE) {
if ($configurableOnly) {
// Collect all default, configurable (per patient) rules into an array
// (ie. ignore the cqm and amc rules)
$sql = sqlStatement("SELECT * FROM `clinical_rules` WHERE `pid`=0 AND `cqm_flag` !=1 AND `amc_flag` !=1 ORDER BY `id`");
}
else {
// Collect all default rules into an array
$sql = sqlStatement("SELECT * FROM `clinical_rules` WHERE `pid`=0 ORDER BY `id`");
}
$returnArray= array();
for($iter=0; $row=sqlFetchArray($sql); $iter++) {
array_push($returnArray,$row);
}
// Now collect the pertinent rules
$newReturnArray = array();
// Need to select rules (use custom if exist)
foreach ($returnArray as $rule) {
$customRule = sqlQuery("SELECT * FROM `clinical_rules` WHERE `id`=? AND `pid`=?", array($rule['id'],$patient_id) );
// Decide if use default vs custom rule (preference given to custom rule)
if (!empty($customRule)) {
if ($type == "cqm" || $type == "amc" ) {
// For CQM and AMC, do not use custom rules (these are to create standard clinic wide reports)
$goRule = $rule;
}
else {
$goRule = $customRule;
}
}
else {
$goRule = $rule;
}
// Use the chosen rule if set
if (!empty($type)) {
if ($goRule["${type}_flag"] == 1) {
// active, so use the rule
array_push($newReturnArray,$goRule);
}
}
else {
if ($goRule['active_alert'] == 1 ||
$goRule['passive_alert'] == 1 ||
$goRule['cqm'] == 1 ||
$goRule['amc'] == 1 ||
$goRule['patient_reminder'] == 1) {
// active, so use the rule
array_push($newReturnArray,$goRule);
}
}
}
$returnArray = $newReturnArray;
return $returnArray;
}
// Function to return applicable reminder dates (relative)
// Parameters:
// $rule - id(string) of selected rule
// $reminder_method - string label of filter type
// Return: array containing reminder features
function resolve_reminder_sql($rule,$reminder_method) {
$sql = sqlStatement("SELECT `method_detail`, `value` FROM `rule_reminder` " .
"WHERE `id`=? AND `method`=?", array($rule, $reminder_method) );
$returnArray= array();
for($iter=0; $row=sqlFetchArray($sql); $iter++) {
array_push($returnArray,$row);
}
return $returnArray;
}
// Function to return applicable filters
// Parameters:
// $rule - id(string) of selected rule
// $filter_method - string label of filter type
// $include_flag - to allow selection for included or excluded filters
// Return: array containing filters
function resolve_filter_sql($rule,$filter_method,$include_flag=1) {
$sql = sqlStatement("SELECT `method_detail`, `value`, `required_flag` FROM `rule_filter` " .
"WHERE `id`=? AND `method`=? AND `include_flag`=?", array($rule, $filter_method, $include_flag) );
$returnArray= array();
for($iter=0; $row=sqlFetchArray($sql); $iter++) {
array_push($returnArray,$row);
}
return $returnArray;
}
// Function to return applicable targets
// Parameters:
// $rule - id(string) of selected rule
// $group_id - group id of target group (if blank, then will ignore grouping)
// $target_method - string label of target type
// $include_flag - to allow selection for included or excluded targets
// Return: array containing targets
function resolve_target_sql($rule,$group_id='',$target_method,$include_flag=1) {
if ($group_id) {
$sql = sqlStatement("SELECT `value`, `required_flag`, `interval` FROM `rule_target` " .
"WHERE `id`=? AND `group_id`=? AND `method`=? AND `include_flag`=?", array($rule, $group_id, $target_method, $include_flag) );
}
else {
$sql = sqlStatement("SELECT `value`, `required_flag`, `interval` FROM `rule_target` " .
"WHERE `id`=? AND `method`=? AND `include_flag`=?", array($rule, $target_method, $include_flag) );
}
$returnArray= array();
for($iter=0; $row=sqlFetchArray($sql); $iter++) {
array_push($returnArray,$row);
}
return $returnArray;
}
// Function to return applicable actions
// Parameters:
// $rule - id(string) of selected rule
// $group_id - group id of target group (if blank, then will ignore grouping)
// Return: array containing actions
function resolve_action_sql($rule,$group_id='') {
if ($group_id) {
$sql = sqlStatement("SELECT b.category, b.item, b.clin_rem_link, b.reminder_message, b.custom_flag " .
"FROM `rule_action` as a " .
"JOIN `rule_action_item` as b " .
"ON a.category = b.category AND a.item = b.item " .
"WHERE a.id=? AND a.group_id=?", array($rule,$group_id) );
}
else {
$sql = sqlStatement("SELECT b.category, b.item, b.value, b.custom_flag " .
"FROM `rule_action` as a " .
"JOIN `rule_action_item` as b " .
"ON a.category = b.category AND a.item = b.item " .
"WHERE a.id=?", array($rule) );
}
$returnArray= array();
for($iter=0; $row=sqlFetchArray($sql); $iter++) {
array_push($returnArray,$row);
}
return $returnArray;
}
// Function to check database filters and targets
// Parameters:
// $patient_id - pid of selected patient.
// $filter - array containing filter/target elements
// $interval - used for the interval elements
// $dateTarget - target date. blank is current date.
// Return: boolean if check passed, otherwise false
function database_check($patient_id,$filter,$interval='',$dateTarget='') {
$isMatch = false; //matching flag
// Set date to current if not set
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
// Unpackage interval information
// (Assume only one for now and only pertinent for targets)
$intervalType = '';
$intervalValue = '';
if (!empty($interval)) {
$intervalType = $interval[0]['value'];
$intervalValue = $interval[0]['interval'];
}
foreach( $filter as $row ) {
// Row description
// [0]=>special modes
$temp_df = explode("::",$row['value']);
if ($temp_df[0] == "CUSTOM") {
// Row description
// [0]=>special modes(CUSTOM) [1]=>category [2]=>item [3]=>complete? [4]=>number of hits comparison [5]=>number of hits
if (exist_custom_item($patient_id, $temp_df[1], $temp_df[2], $temp_df[3], $temp_df[4], $temp_df[5], $intervalType, $intervalValue, $dateTarget)) {
// Record the match
$isMatch = true;
}
else {
// If this is a required entry then return false
if ($row['required_flag']) return false;
}
}
else if ($temp_df[0] == "LIFESTYLE") {
// Row description
// [0]=>special modes(LIFESTYLE) [1]=>column [2]=>status
if (exist_lifestyle_item($patient_id, $temp_df[1], $temp_df[2], $dateTarget)) {
// Record the match
$isMatch = true;
}
else {
// If this is a required entry then return false
if ($row['required_flag']) return false;
}
}
else {
// Default mode
// Row description
// [0]=>special modes(BLANK) [1]=>table [2]=>column [3]=>value comparison [4]=>value [5]=>number of hits comparison [6]=>number of hits
if (exist_database_item($patient_id, $temp_df[1], $temp_df[2], $temp_df[3], $temp_df[4], $temp_df[5], $temp_df[6], $intervalType, $intervalValue, $dateTarget)) {
// Record the match
$isMatch = true;
}
else {
// If this is a required entry then return false
if ($row['required_flag']) return false;
}
}
}
// return results of check
return $isMatch;
}
// Function to check procedure filters and targets
// Parameters:
// $patient_id - pid of selected patient.
// $filter - array containing filter/target elements
// $interval - used for the interval elements
// $dateTarget - target date. blank is current date.
// Return: boolean if check passed, otherwise false
function procedure_check($patient_id,$filter,$interval='',$dateTarget='') {
$isMatch = false; //matching flag
// Set date to current if not set
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
// Unpackage interval information
// (Assume only one for now and only pertinent for targets)
$intervalType = '';
$intervalValue = '';
if (!empty($interval)) {
$intervalType = $interval[0]['value'];
$intervalValue = $interval[0]['interval'];
}
foreach( $filter as $row ) {
// Row description
// [0]=>title [1]=>code [2]=>value comparison [3]=>value [4]=>number of hits comparison [5]=>number of hits
// code description
// <type(ICD9,CPT)>:<identifier>; etc.
$temp_df = explode("::",$row['value']);
if (exist_procedure_item($patient_id, $temp_df[0], $temp_df[1], $temp_df[2], $temp_df[3], $temp_df[4], $temp_df[5], $intervalType, $intervalValue, $dateTarget)) {
// Record the match
$isMatch = true;
}
else {
// If this is a required entry then return false
if ($row['required_flag']) return false;
}
}
// return results of check
return $isMatch;
}
// Function to check for appointment
// Parameters:
// $patient_id - pid of selected patient.
// $dateTarget - target date.
// Return: boolean if appt exist, otherwise false
function appointment_check($patient_id,$dateTarget='') {
$isMatch = false; //matching flag
// Set date to current if not set (although should always be set)
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
$dateTargetRound = date('Y-m-d',$dateTarget);
// Set current date
$currentDate = date('Y-m-d H:i:s');
$currentDateRound = date('Y-m-d',$dateCurrent);
// Basically, if the appointment is within the current date to the target date,
// then return true. (will not send reminders on same day as appointment)
$sql = sqlStatement("SELECT openemr_postcalendar_events.pc_eid, " .
"openemr_postcalendar_events.pc_title, " .
"openemr_postcalendar_events.pc_eventDate, " .
"openemr_postcalendar_events.pc_startTime, " .
"openemr_postcalendar_events.pc_endTime " .
"FROM openemr_postcalendar_events " .
"WHERE openemr_postcalendar_events.pc_eventDate > ? " .
"AND openemr_postcalendar_events.pc_eventDate <= ? " .
"AND openemr_postcalendar_events.pc_pid = ?", array($currentDate,$dateTarget,$patient_id) );
// return results of check
//
// TODO: Figure out how to have multiple appointment and changing appointment reminders.
// Plan to send back array of appt info (eid, time, date, etc.)
// to do this.
if (sqlNumRows($sql) > 0) {
$isMatch = true;
}
return $isMatch;
}
// Function to check lists filters and targets
// Customizable and currently includes diagnoses, medications,
// allergies and surgeries.
// Parameters:
// $patient_id - pid of selected patient.
// $filter - array containing lists filter/target elements
// $dateTarget - target date. blank is current date.
// Return: boolean if check passed, otherwise false
function lists_check($patient_id,$filter,$dateTarget) {
$isMatch = false; //matching flag
// Set date to current if not set
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
foreach ( $filter as $row ) {
if (exist_lists_item($patient_id, $row['method_detail'], $row['value'], $dateTarget)) {
// Record the match
$isMatch = true;
}
else {
// If this is a required entry then return false
if ($row['required_flag']) return false;
}
}
// return results of check
return $isMatch;
}
// Function to check for existance of data in database for a patient
// Parameters:
// $patient_id - pid of selected patient.
// $table - selected mysql table
// $column - selected mysql column
// $data_comp - data comparison (eq,ne,gt,ge,lt,le)
// $data - selected data in the mysql database
// $num_items_comp - number items comparison (eq,ne,gt,ge,lt,le)
// $num_items_thres - number of items threshold
// $intervalType - type of interval (ie. year)
// $intervalValue - searched for within this many times of the interval type
// $dateTarget - target date.
// Return: boolean if check passed, otherwise false
function exist_database_item($patient_id,$table,$column='',$data_comp,$data='',$num_items_comp,$num_items_thres,$intervalType='',$intervalValue='',$dateTarget='') {
// Set date to current if not set
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
// Collect the correct column label for patient id in the table
$patient_id_label = collect_database_label('pid',$table);
// Get the interval sql query string
$dateSql = sql_interval_string($table,$intervalType,$intervalValue,$dateTarget);
// If just checking for existence (ie. data is empty),
// then simply set the comparison operator to ne.
if (empty($data)) {
$data_comp = "ne";
}
// get the appropriate sql comparison operator
$compSql = convertCompSql($data_comp);
// check for items
if (empty($column)) {
// simple search for any table entries
$sql = sqlStatement("SELECT * " .
"FROM `" . add_escape_custom($table) . "` " .
"WHERE `" . add_escape_custom($patient_id_label) . "`=?", array($patient_id) );
}
else {
// search for number of specific items
$sql = sqlStatement("SELECT `" . add_escape_custom($column) . "` " .
"FROM `" . add_escape_custom($table) . "` " .
"WHERE `" . add_escape_custom($column) ."`" . $compSql . "? " .
"AND `" . add_escape_custom($patient_id_label) . "`=? " .
$dateSql, array($data,$patient_id) );
}
// See if number of returned items passes the comparison
return itemsNumberCompare($num_items_comp, $num_items_thres, sqlNumRows($sql));
}
// Function to check for existence of procedure(s) for a patient
// Parameters:
// $patient_id - pid of selected patient.
// $proc_title - procedure title
// $proc_code - procedure identifier code (array)
// $result_comp - results comparison (eq,ne,gt,ge,lt,le)
// $result_data - results data
// $num_items_comp - number items comparison (eq,ne,gt,ge,lt,le)
// $num_items_thres - number of items threshold
// $intervalType - type of interval (ie. year)
// $intervalValue - searched for within this many times of the interval type
// $dateTarget - target date.
// Return: boolean if check passed, otherwise false
function exist_procedure_item($patient_id,$proc_title,$proc_code,$result_comp,$result_data='',$num_items_comp,$num_items_thres,$intervalType='',$intervalValue='',$dateTarget='') {
// Set date to current if not set
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
// Set the table exception (for looking up pertinent date and pid sql columns)
$table = "PROCEDURE-EXCEPTION";
// Collect the correct column label for patient id in the table
$patient_id_label = collect_database_label('pid',$table);
// Get the interval sql query string
$dateSql = sql_interval_string($table,$intervalType,$intervalValue,$dateTarget);
//
// TODO
// Figure out a way to use the identifiers codes
// TODO
//
// If just checking for existence (ie result_data is empty),
// then simply set the comparison operator to ne.
if (empty($result_data)) {
$result_comp = "ne";
}
// get the appropriate sql comparison operator
$compSql = convertCompSql($result_comp);
// collect specific items that fulfill request
$sql = sqlStatement("SELECT procedure_result.result " .
"FROM `procedure_type`, " .
"`procedure_order`, " .
"`procedure_report`, " .
"`procedure_result` " .
"WHERE procedure_type.procedure_type_id = procedure_order.procedure_type_id " .
"AND procedure_order.procedure_order_id = procedure_report.procedure_order_id " .
"AND procedure_report.procedure_report_id = procedure_result.procedure_report_id " .
"AND procedure_type.name = ? " .
"AND procedure_result.result " . $compSql . " ? " .
"AND " . add_escape_custom($patient_id_label) . " = ? " .
$dateSql, array($proc_title,$result_data,$patient_id) );
// See if number of returned items passes the comparison
return itemsNumberCompare($num_items_comp, $num_items_thres, sqlNumRows($sql));
}
// Function to check for existance of data for a patient in the rule_patient_data table
// Parameters:
// $patient_id - pid of selected patient.
// $category - label in category column
// $item - label in item column
// $complete - label in complete column (YES,NO, or blank)
// $num_items_comp - number items comparison (eq,ne,gt,ge,lt,le)
// $num_items_thres - number of items threshold
// $intervalType - type of interval (ie. year)
// $intervalValue - searched for within this many times of the interval type
// $dateTarget - target date.
// Return: boolean if check passed, otherwise false
function exist_custom_item($patient_id,$category,$item,$complete,$num_items_comp,$num_items_thres,$intervalType='',$intervalValue='',$dateTarget) {
// Set the table
$table = 'rule_patient_data';
// Collect the correct column label for patient id in the table
$patient_id_label = collect_database_label('pid',$table);
// Get the interval sql query string
$dateSql = sql_interval_string($table,$intervalType,$intervalValue,$dateTarget);
// search for number of specific items
$sql = sqlStatement("SELECT `result` " .
"FROM `" . add_escape_custom($table) . "` " .
"WHERE `category`=? " .
"AND `item`=? " .
"AND `complete`=? " .
"AND `" . add_escape_custom($patient_id_label) . "`=? " .
$dateSql, array($category,$item,$complete,$patient_id) );
// See if number of returned items passes the comparison
return itemsNumberCompare($num_items_comp, $num_items_thres, sqlNumRows($sql));
}
// Function to check for existance of data for a patient in lifestyle section
// Parameters:
// $patient_id - pid of selected patient.
// $lifestyle - selected label of mysql column of patient history
// $status - specific status of selected lifestyle element
// $dateTarget - target date. blank is current date.
// Return: boolean if check passed, otherwise false
function exist_lifestyle_item($patient_id,$lifestyle,$status,$dateTarget) {
// Set date to current if not set
$dateTarget = ($dateTarget) ? $dateTarget : date('Y-m-d H:i:s');
// Collect pertinent history data
$history = getHistoryData($patient_id, $lifestyle,'',$dateTarget);
// See if match
$stringFlag = strstr($history[$lifestyle], "|".$status);
if (empty($status)) {
// Only ensuring any data has been entered into the field
$stringFlag = true;
}
if ( $history[$lifestyle] &&
$history[$lifestyle] != '|0|' &&
$stringFlag ) {
return true;
}
else {