Merged in filter-and-filter-item-mappings (pull request #28)

Mapping; from Filter[] to QueryTokenDTO

src/app/core/mappings/filter.mapping.ts

@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { InputDTO, UISettingsDTO, InputType } from 'cat-service';
+import { InputDTO, UISettingsDTO, InputType, QueryTokenDTO, SortValueDTO } from 'cat-service';
 import { Filter } from '../models/filter.model';
 import { FilterItemMapping } from './filter-item.mapping';
 import { FilterItem } from '../models/filter-item.model';
@@ -69,4 +69,39 @@ export class FilterMapping {
 
         return filters;
     }
+
+    toQueryTokenDto(target: QueryTokenDTO, source: Filter[]) {
+
+        const orderBy = source.find(f => f.id === 'orderBy');
+        if (orderBy != null) {
+            target.sort = orderBy.items
+                .filter(i => i.selected)
+                .map(m => ({
+                    by: m.id,
+                    asc: m.selected
+                }) as SortValueDTO);
+        }
+
+        const filter = source
+            .filter(f => f.id !== 'orderBy')
+            .filter(f => f.items.some(s => s.selected));
+        if (Array.isArray(filter)) {
+            const kvps = filter.map((fil) => {
+                const key = fil.id;
+                const value = fil.items.filter(f => f.selected)
+                    .map(f => f.id)
+                    .join(';');
+                return [key, value];
+            });
+
+            if (kvps.length > 0) {
+                target.filter = {};
+                for (const kvp of kvps) {
+                    target.filter[kvp[0]] = kvp[1];
+                }
+            }
+        }
+
+        return target;
+    }
 }