Change Place filter 'maturity' to take a comma separated string

    of maturity classes to match.

src/Entities/EntityFilters/PlaceFilterInfo.ts

@@ -27,7 +27,7 @@ import { Logger } from '@Tools/Logging';
 // Process a request that wants to filter Account collection with parameters:
 export class PlaceFilterInfo extends CriteriaFilter {
 
-  private _maturity: string;
+  private _maturity: string[];
   private _tags: string[];
 
   // Set to 'true' if the pagination was passed in the criteria query parameters
@@ -47,7 +47,11 @@ export class PlaceFilterInfo extends CriteriaFilter {
       // Comma separated list of attribute criteria.
       if (typeof(pRequest.query.maturity) === 'string') {
         if (Maturity.KnownMaturity(pRequest.query.maturity)) {
-          this._maturity = pRequest.query.maturity;
+          this._maturity = pRequest.query.maturity.split(',');
+          if (this._maturity.includes(Maturity.UNRATED)) {
+            // Adding a 'null' to the set causes places with no rating to be included
+            this._maturity.push(null);
+          }
         };
       };
 
@@ -80,12 +84,12 @@ export class PlaceFilterInfo extends CriteriaFilter {
     else {
       if (this._maturity) {
         if (pThingy.hasOwnProperty('maturity')) {
-          if ((pThingy as PlaceEntity).maturity === this._maturity) {
+          if (this._maturity.includes((pThingy as PlaceEntity).maturity)) {
             ret = true;
           };
         }
         else {
-          if (this._maturity === Maturity.UNRATED) {
+          if (this._maturity.includes(Maturity.UNRATED)) {
             ret = true;
           };
         };
@@ -107,12 +111,7 @@ export class PlaceFilterInfo extends CriteriaFilter {
     this._doingQuery = true;
     const criteria:VKeyedCollection = {};
     if (this._maturity) {
-      if (this._maturity === Maturity.UNRATED) {
-        criteria.maturity = { '$in': [ Maturity.UNRATED, null ]};
-      }
-      else {
-        criteria.maturity = this._maturity;
-      };
+      criteria.maturity = { '$in': this._maturity }
     };
     if (this._tags) {
       criteria.tags = { '$in': this._tags }