feat: handle comma , query and esacaping \, and \|

- comma query in `getStringQuery`
- handle `\,` in string and name query
- handle `\|` in token query
From : http://www.hl7.org/fhir/search.html#escaping

models/FHIR/queryBuild.js

@@ -3,10 +3,21 @@ const _ = require('lodash');
 const moment = require('moment');
 const momentTimezone = require('moment-timezone');
 const prefix = ["eq" , "ne" , "lt" , "gt" , "ge" , "le" , "sa" , "eb" , "ap"];
+
+/**
+ * 
+ * @param {string} value 
+ */
+ function getCommaSplitArray(value) {
+    value = value.replace(/\\,/g, "{ＣＯＭＭＡ}");
+    let valueCommaSplit = value.split(",").map(v=> v.replace(/{ＣＯＭＭＡ}/gm,","));
+    return valueCommaSplit;
+}
+
 /**
  * 
- * @param {*} str value
- * @param {*} key field name
+ * @param {string} str value
+ * @param {string} key field name
  * @returns 
  */
 function stringQuery(str, key) {
@@ -50,15 +61,18 @@ function stringExact(str) {
  * @param {string} type postfix of field e.g. field of parameter of phone in Patient is `telecom` but use query value with `telecom.value`
  * @param {string} field 
  * @param {string} required The fixed system e.g. phone is telecom and email is email
- * @param {*} isCodeableConcept if is codeable concept
+ * @param {boolean} isCodeableConcept if is codeable concept
  * @returns 
  */
 function tokenQuery(item, type, field, required , isCodeableConcept = false) {
     let queryBuilder = {};
     let system = "";
     let value = "";
+    item = item.replace(/\\\|/gm, "{ＯＲ}");
     if (item.includes("|")) [system, value] = item.split("|");
     else value = item;
+    system = system.replace(/{ＯＲ}/gm, "|");
+    value = value.replace(/{ＯＲ}/gm, "|");
     if (required) {
         system = required;
     }
@@ -144,7 +158,7 @@ function addressQuery(target , key) {
 }
 
 function nameQuery(target , key) {
-    let totalSplit = target.split(/[\s.,]+/);
+    let totalSplit = getCommaSplitArray(target);
     let ors = {$or:[]};
 
     for (let index in totalSplit) {
@@ -518,5 +532,6 @@ module.exports = {
     timingQuery: timingQuery,
     quantityQuery : quantityQuery , 
     referenceQuery : referenceQuery , 
-    arrayStringBuild : arrayStringBuild
+    arrayStringBuild : arrayStringBuild,
+    getCommaSplitArray: getCommaSplitArray
 };

models/FHIR/searchParameterQueryHandler.js

@@ -1,5 +1,6 @@
 const queryBuild = require('./queryBuild');
 const _ = require('lodash');
+const { getCommaSplitArray } = require('./queryBuild');
 
 /**
  * @example <caption>Example of `address-city` of search parameter of the Patient resource</caption>
@@ -36,10 +37,14 @@ function getStringQuery(query, paramsSearchFields, queryFieldName) {
             $or: []
         };
         for (let field of paramsSearchFields[queryFieldName]) {
-            let buildResult = {
-                [field] : queryBuild.stringQuery(item, field)
-            };
-            buildQs.$or.push(buildResult);
+            let commaSeparatedValue = getCommaSplitArray(item);
+            for (let index in commaSeparatedValue) {
+                let value = commaSeparatedValue[index];
+                let buildResult = {
+                    [field] : queryBuild.stringQuery(value, field)
+                };
+                buildQs.$or.push(buildResult);
+            }
         }
         query.$and.push({
             ...buildQs