latest fixes for search page

src/app/+search-page/search-filters/search-filter/search-filter.component.ts

@@ -3,6 +3,7 @@ import { SearchFilterConfig } from '../../search-service/search-filter-config.mo
 import { SearchFilterService } from './search-filter.service';
 import { Observable } from 'rxjs/Observable';
 import { slide } from '../../../shared/animations/slide';
+import { isNotEmpty } from '../../../shared/empty.util';
 
 /**
  * This component renders a simple item page.
@@ -25,8 +26,8 @@ export class SearchFilterComponent implements OnInit {
   }
 
   ngOnInit() {
-    this.filterService.isFilterActive(this.filter.paramName).first().subscribe((isActive) => {
-      if (this.filter.isOpenByDefault || isActive) {
+    this.getSelectedValues().first().subscribe((isActive) => {
+      if (this.filter.isOpenByDefault || isNotEmpty(isActive)) {
         this.initialExpand();
       } else {
         this.initialCollapse();

src/app/+search-page/search-filters/search-filter/search-filter.service.spec.ts

@@ -11,7 +11,6 @@ import { SearchFiltersState } from './search-filter.reducer';
 import { SearchFilterConfig } from '../../search-service/search-filter-config.model';
 import { FilterType } from '../../search-service/filter-type.model';
 import { ActivatedRouteStub } from '../../../shared/testing/active-router-stub';
-import { ActivatedRoute } from '@angular/router';
 
 describe('SearchFilterService', () => {
   let service: SearchFilterService;

src/app/+search-page/search-filters/search-filter/search-filter.service.ts

@@ -21,7 +21,6 @@ import { PaginationComponentOptions } from '../../../shared/pagination/paginatio
 import { SearchOptions } from '../../search-options.model';
 import { PaginatedSearchOptions } from '../../paginated-search-options.model';
 import { ActivatedRoute, Params } from '@angular/router';
-import { FilterLabel } from '../../search-service/filter-label.model';
 
 const filterStateSelector = (state: SearchFiltersState) => state.searchFilter;
 
@@ -85,8 +84,8 @@ export class SearchFilterService {
           if (key.endsWith('.min') || key.endsWith('.max')) {
             const realKey = key.slice(0, -4);
             if (isEmpty(params[realKey])) {
-              const min = filterParams[realKey + '.min'][0] || '*';
-              const max = filterParams[realKey + '.max'][0] || '*';
+              const min = filterParams[realKey + '.min'] ? filterParams[realKey + '.min'][0] : '*';
+              const max = filterParams[realKey + '.max'] ? filterParams[realKey + '.max'][0] : '*';
               params[realKey] = ['[' + min + ' TO ' + max + ']'];
             }
           } else {
@@ -99,21 +98,7 @@ export class SearchFilterService {
     });
   }
 
-  getCurrentFilterLabels(): Observable<FilterLabel[]> {
-    return this.getCurrentFilters().pipe(
-      map((params: Params) => {
-        const filterLabels: FilterLabel[] = [];
-        Object.keys(params).forEach((key) => {
-          params[key].forEach((p: string) => {
-            filterLabels.push(new FilterLabel(p, key));
-          });
-        });
-        return filterLabels;
-      })
-    );
-  }
-
-  getCurrentFrontendFilters(): Observable<any> {
+  getCurrentFrontendFilters(): Observable<Params> {
     return this.routeService.getQueryParamsWithPrefix('f.');
   }
 
@@ -165,7 +150,14 @@ export class SearchFilterService {
   }
 
   getSelectedValuesForFilter(filterConfig: SearchFilterConfig): Observable<string[]> {
-    return this.routeService.getQueryParameterValues(filterConfig.paramName);
+    const values$ = this.routeService.getQueryParameterValues(filterConfig.paramName);
+    const prefixValues$ =  this.routeService.getQueryParamsWithPrefix(filterConfig.paramName + '.').map((params: Params) => [].concat(...Object.values(params)));
+    return Observable.combineLatest(values$, prefixValues$, (values, prefixValues) => {
+      if (isNotEmpty(values)) {
+        return values;
+      }
+      return prefixValues;
+    })
   }
 
   isCollapsed(filterName: string): Observable<boolean> {

src/app/+search-page/search-filters/search-filter/search-range-filter/search-range-filter.component.ts

@@ -1,5 +1,5 @@
 import { isPlatformBrowser } from '@angular/common';
-import { Component, Inject, OnInit, PLATFORM_ID } from '@angular/core';
+import { Component, Inject, OnChanges, OnInit, PLATFORM_ID } from '@angular/core';
 import { FilterType } from '../../../search-service/filter-type.model';
 import { renderFacetFor } from '../search-filter-type-decorator';
 import { SearchFacetFilterComponent } from '../search-facet-filter/search-facet-filter.component';
@@ -51,6 +51,8 @@ export class SearchRangeFilterComponent extends SearchFacetFilterComponent imple
 
   }
 
+
+
   getAddParams(value: string) {
     const parts = value.split(rangeDelimiter);
     const min = parts.length > 1 ? parts[0].trim() : value;
@@ -70,12 +72,27 @@ export class SearchRangeFilterComponent extends SearchFacetFilterComponent imple
     };
   }
 
+  getRemoveMaxParam() {
+    return {
+      [this.filterConfig.paramName + maxSuffix]: null,
+      page: 1
+    };
+  }
+  getRemoveMinParam() {
+    return {
+      [this.filterConfig.paramName + minSuffix]: null,
+      page: 1
+    };
+  }
+
   onSubmit() {
+      const newMin = this.range[0] !== this.min ? [this.range[0]] : null;
+      const newMax = this.range[1] !== this.max ? [this.range[1]] : null;
       this.router.navigate([this.getSearchLink()], {
         queryParams:
           {
-            [this.filterConfig.paramName + minSuffix]: [this.range[0]],
-            [this.filterConfig.paramName + maxSuffix]: [this.range[1]]
+            [this.filterConfig.paramName + minSuffix]: newMin,
+            [this.filterConfig.paramName + maxSuffix]: newMax
           },
         queryParamsHandling: 'merge'
       });

src/app/+search-page/search-labels/search-labels.component.html

@@ -1,10 +1,12 @@
 <div class="row">
     <div class="labels col-sm-9 offset-sm-3">
-    <a *ngFor="let label of (appliedFilters | async)" class="badge badge-primary mr-1"
+        <ng-container *ngFor="let key of ((appliedFilters | async) | dsObjectKeys)">
+            <a *ngFor="let values of (appliedFilters | async)[key]" class="badge badge-primary mr-1"
                [routerLink]="getSearchLink()"
-       [queryParams]="(getRemoveParams(label) | async)" queryParamsHandling="merge">
-      {{label.value}}
+               [queryParams]="(getRemoveParams(key, values) | async)" queryParamsHandling="merge">
+                {{values}}
                 <span> ×</span>
             </a>
+        </ng-container>
     </div>
 </div>

src/app/+search-page/search-labels/search-labels.component.ts

@@ -2,9 +2,9 @@ import { Component } from '@angular/core';
 import { SearchService } from '../search-service/search.service';
 import { Observable } from 'rxjs/Observable';
 import { Params } from '@angular/router';
-import { FilterLabel } from '../search-service/filter-label.model';
 import { map } from 'rxjs/operators';
 import { SearchFilterService } from '../search-filters/search-filter/search-filter.service';
+import { hasValue, isNotEmpty } from '../../shared/empty.util';
 
 @Component({
   selector: 'ds-search-labels',
@@ -12,27 +12,23 @@ import { SearchFilterService } from '../search-filters/search-filter/search-filt
 })
 
 export class SearchLabelsComponent {
-  appliedFilters: Observable<FilterLabel[]>;
+  appliedFilters: Observable<Params>;
 
   constructor(private searchService: SearchService, private filterService: SearchFilterService) {
-    this.appliedFilters = this.filterService.getCurrentFilterLabels();
+    this.appliedFilters = this.filterService.getCurrentFrontendFilters();
   }
 
-  getRemoveParams(filterLabel: FilterLabel): Observable<Params> {
+  getRemoveParams(filterField: string, filterValue: string): Observable<Params> {
     return this.appliedFilters.pipe(
       map((filters) => {
-        const values = [];
-        filters.forEach((filter) => {
-          if (filter.field === filterLabel.field && filter.value !== filterLabel.value) {
-            values.push(filter.value);
-          }
-        });
+        const field: string = Object.keys(filters).find((f) => f === filterField);
+        const newValues = hasValue(filters[field]) ? filters[field].filter((v) => v !== filterValue) : null;
         return {
-          [filterLabel.field]: values,
+          [field]: isNotEmpty(newValues) ? newValues : null,
           page: 1
         };
       })
-    );
+    )
   }
 
   getSearchLink() {

src/app/+search-page/search-service/filter-label.model.ts

@@ -1,8 +0,0 @@
-export class FilterLabel {
-  value: string;
-  field: string;
-  constructor(value: string, field: string) {
-    this.value = value;
-    this.field = field;
-  }
-}

src/app/+search-page/search-service/search.service.ts

@@ -40,8 +40,6 @@ import { ListableObject } from '../../shared/object-collection/shared/listable-o
 import { FacetValueResponseParsingService } from '../../core/data/facet-value-response-parsing.service';
 import { FacetConfigResponseParsingService } from '../../core/data/facet-config-response-parsing.service';
 import { PaginatedSearchOptions } from '../paginated-search-options.model';
-import { FilterLabel } from './filter-label.model';
-import { combineLatest } from 'rxjs/observable/combineLatest';
 import { Community } from '../../core/shared/community.model';
 import { CommunityDataService } from '../../core/data/community-data.service';
 import { CollectionDataService } from '../../core/data/collection-data.service';

src/app/+search-page/search-settings/search-settings.component.ts

@@ -49,22 +49,23 @@ export class SearchSettingsComponent implements OnInit {
   }
 
   ngOnInit(): void {
-    this.searchOptions = this.service.searchOptions;
-    this.pageSize = this.searchOptions.pagination.pageSize;
-    this.pageSizeOptions = this.searchOptions.pagination.pageSizeOptions;
     this.filterService.getPaginatedSearchOptions(this.defaults).first().subscribe((options) => {
       this.direction = options.sort.direction;
       this.field = options.sort.field;
       this.pageSize = options.pagination.pageSize;
+      this.searchOptions = options;
+      this.pageSize = options.pagination.pageSize;
+      this.pageSizeOptions = options.pagination.pageSizeOptions
     })
   }
 
   reloadRPP(event: Event) {
     const value = (event.target as HTMLInputElement).value;
     const navigationExtras: NavigationExtras = {
-      queryParams: Object.assign({}, this.currentParams, {
-        pageSize: value
-      })
+      queryParams: {
+        pageSize: value,
+      },
+      queryParamsHandling: 'merge'
     };
     this.router.navigate([ '/search' ], navigationExtras);
   }

src/app/shared/shared.module.ts

@@ -55,6 +55,7 @@ import { EmphasizePipe } from './utils/emphasize.pipe';
 import { InputSuggestionsComponent } from './input-suggestions/input-suggestions.component';
 import { CapitalizePipe } from './utils/capitalize.pipe';
 import { MomentModule } from 'angular2-moment';
+import { ObjectKeysPipe } from './utils/object-keys-pipe';
 
 const MODULES = [
   // Do NOT include UniversalModule, HttpModule, or JsonpModule here
@@ -76,7 +77,8 @@ const PIPES = [
   SafeUrlPipe,
   TruncatePipe,
   EmphasizePipe,
-  CapitalizePipe
+  CapitalizePipe,
+  ObjectKeysPipe
 ];
 
 const COMPONENTS = [

src/app/shared/utils/object-keys-pipe.ts

@@ -0,0 +1,10 @@
+import { PipeTransform, Pipe } from '@angular/core';
+
+@Pipe({name: 'dsObjectKeys'})
+export class ObjectKeysPipe implements PipeTransform {
+  transform(value, args:string[]): any {
+    const keys = [];
+    Object.keys(value).forEach((k) => keys.push(k));
+    return keys;
+  }
+}