Encounter Merging tool (#551)

* Encounter Merging tool

modules/merge_encounters/index.php

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+<?php
+/**
+ * 
+ * Copyright (c) 2016 Sam Likins WSI-Services
+ * Copyright (c) 2016 SunCoast Connection
+ *
+ * LICENSE: This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0
+ * See the Mozilla Public License for more details. 
+ * If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ * 
+ * @package Librehealth EHR 
+ * @author Sam Likins <[email protected]>
+ * @link http://suncoastconnection.com
+ * @link http://librehealth.io
+ *  
+ * Please help the overall project by sending changes you make to the author and to the LibreEHR community.
+ * 
+ */
+
+$sanitize_all_escapes  = true;
+$fake_register_globals = false;
+
+require_once('../../interface/globals.php');
+require_once($srcdir.'/acl.inc');
+
+if(!acl_check('admin', 'super')) {
+	die(xlt('Not authorized'));
+} else {
+	define('MERGE_ENCOUNTERS', true);
+}
+
+require_once(__DIR__.'/lib/functions.php');
+
+$service = getElementIfExist($_GET, 'service', null);
+
+switch($service) {
+	case 'json-duplicates':
+		includeService('JSON-Duplicates');
+		break;
+
+	case 'json-encounters':
+		includeService('JSON-Encounters');
+		break;
+
+	case 'json-merge':
+		includeService('JSON-Merge');
+		break;
+
+	case null:
+		includeService('Screen');
+		break;
+}

modules/merge_encounters/lib/JsonHandler.php

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+<?php
+/**
+ * 
+ * Copyright (c) 2016 Sam Likins WSI-Services
+ * Copyright (c) 2016 SunCoast Connection
+ *
+ * LICENSE: This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0
+ * See the Mozilla Public License for more details. 
+ * If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ * 
+ * @package Librehealth EHR 
+ * @author Sam Likins <[email protected]>
+ * @link http://suncoastconnection.com
+ * @link http://librehealth.io
+ *  
+ * Please help the overall project by sending changes you make to the author and to the LibreEHR community.
+ * 
+ */
+
+const JSON_STATUS_OK = 1;
+const JSON_STATUS_SUCCESS = 2;
+const JSON_STATUS_FAIL = 3;
+
+// JSON Handler
+
+class JsonHandler {
+
+	protected static $jsonStatusMessages = [
+		JSON_STATUS_OK => 'OK',
+		JSON_STATUS_SUCCESS => 'SUCCESS',
+		JSON_STATUS_FAIL => 'FAIL',
+	];
+
+	public static function encode($value, $options = 0) {
+		$result = json_encode($value, $options);
+
+		if($result)  {
+			return $result;
+		}
+
+		throw new RuntimeException(json_last_error_msg(), json_last_error());
+	}
+
+	public static function decode($json, $assoc = false) {
+		$result = json_decode($json, $assoc);
+
+		if($result) {
+			return $result;
+		}
+
+		throw new RuntimeException(json_last_error_msg(), json_last_error());
+	}
+
+	protected $status;
+
+	protected $errors = [];
+
+	protected $data;
+
+	public function __construct($status = JSON_STATUS_OK) {
+		$this->setStatus($status);
+	}
+
+	public function setStatus($status) {
+		if(array_key_exists($status, static::$jsonStatusMessages)) {
+			$this->status = $status;
+		}
+	}
+
+	public function getStatus() {
+		return $this->status;
+	}
+
+	public function addError($error) {
+		$this->errors[] = $error;
+	}
+
+	public function getErrors() {
+		return $this->errors;
+	}
+
+	public function setData($data) {
+		$this->data = $data;
+	}
+
+	public function &getData() {
+		return $this->data;
+	}
+
+	public function response($options = 0) {
+		try {
+			if(array_key_exists($this->getStatus(), static::$jsonStatusMessages)) {
+				$status = static::$jsonStatusMessages[$this->getStatus()];
+			} else {
+				$status = static::$jsonStatusMessages[JSON_STATUS_FAIL];
+			}
+
+			$return = [
+				'status' => $status,
+				'errors' => $this->getErrors(),
+				'data' => $this->getData()
+			];
+
+			array_walk_recursive($return, function(&$item) {
+				$item = utf8_encode($item);
+			});
+
+			$return = static::encode($return, $options);
+
+			header('Content-type: application/json;charset=utf-8');
+		} catch (RuntimeException $exception) {
+			$return = $exception->getMessage();
+		}
+
+		echo $return;
+	}
+
+}

modules/merge_encounters/lib/functions.php

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+<?php
+/**
+ * 
+ * Copyright (c) 2016 Sam Likins WSI-Services
+ * Copyright (c) 2016 SunCoast Connection
+ *
+ * LICENSE: This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0
+ * See the Mozilla Public License for more details. 
+ * If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ * 
+ * @package Librehealth EHR 
+ * @author Sam Likins <[email protected]>
+ * @link http://suncoastconnection.com
+ * @link http://librehealth.io
+ *  
+ * Please help the overall project by sending changes you make to the author and to the LibreEHR community.
+ * 
+ */
+
+function getElementIfExist(&$array, $key, $default = null) {
+	if(array_key_exists($key, $array)) {
+		return $array[$key];
+	} else {
+		return $default;
+	}
+}
+
+function includeService($service) {
+	$service = realpath(__DIR__.'/../service').'/'.$service.'.php';
+
+	if(file_exists($service)) {
+		include($service);
+	}
+}
+
+function pathToResource($resourceName, $version = false) {
+	$path = './resource/';
+
+	if(file_exists(__DIR__.'/.'.$path.$resourceName)) {
+		return $path.$resourceName.(
+			$version
+				? '?v='.(
+					$version === true
+						? time()
+						: $version
+				)
+				: ''
+		);
+	}
+}
+
+function getDatabaseConnection() {
+	global $sqlconf;
+
+	try {
+		$databaseConnection = new PDO('mysql:host='.$sqlconf['host'].';dbname='.$sqlconf['dbase'], $sqlconf['login'], $sqlconf['pass']);
+		$databaseConnection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+	} catch(PDOException $exception) {
+		echo 'ERROR: ' . $exception->getMessage();
+	}
+
+	return $databaseConnection;
+}

modules/merge_encounters/merge_encounter_docs/README.md

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+# LibreHealthEHR Merge Encounters
+
+## Technologies Used
+
+- [JQuery|https://jquery.com]
+- [KnockOutJS|http://knockoutjs.com]
+- [KoGrid|https://knockout-contrib.github.io/KoGrid]
+- [Split-Pane|https://github.com/shagstrom/split-pane]
+- [KoSortingTable|http://develothink.com/sorting-tables-using-knockoutjs]

modules/merge_encounters/merge_encounter_docs/merge_enc_user_doc.md

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+Merge Encounters User Documentation.
+
+This is a stub.