Merge pull request #24 from RIT-SWEN-261-02/need-pages

needs per page

2 files changed, 40 insertions, 3 deletions

diff --git a/ufund-ui/src/app/components/need-list/need-list.component.html b/ufund-ui/src/app/components/need-list/need-list.component.html
index e00ba47..8ea7b88 100644
--- a/ufund-ui/src/app/components/need-list/need-list.component.html
+++ b/ufund-ui/src/app/components/need-list/need-list.component.html
@@ -24,8 +24,15 @@
 <h2 *ngIf="searchResults.length == needs.length"> All Needs </h2>
 <h2 *ngIf="searchResults.length == 0"> No Results Found </h2>
 
+<div id="page-selector">
+    <span>Page {{currentPage + 1}} of {{totalPages}} </span> <br>
+    <label>Needs per page: </label> 
+    <input type ="number" [(ngModel)]="itemsPerPage" (change)="resetVisibleNeeds()" min="1" max="{{searchResults.length}}">
+    <button *ngIf="currentPage > 0" (click)="decrementPage()">Previous</button>
+    <button *ngIf="currentPage < totalPages - 1" (click)="incrementPage()">Next</button>
+</div>
 <div id="needList">
-    <div *ngFor="let need of searchResults" class="needEntry">
+    <div *ngFor="let need of visibleNeeds" class="needEntry">
         <div [routerLink]="'/need/' + need.id" class="clickable">
             <div class="split">
                 <div class="left">
diff --git a/ufund-ui/src/app/components/need-list/need-list.component.ts b/ufund-ui/src/app/components/need-list/need-list.component.ts
index d641acf..cd3d9bd 100644
--- a/ufund-ui/src/app/components/need-list/need-list.component.ts
+++ b/ufund-ui/src/app/components/need-list/need-list.component.ts
@@ -66,7 +66,36 @@ export class NeedListComponent {
   selectedNeed: Need | null = null;
   needs: Need[] = [];
   searchResults: Need[] = [];
+  visibleNeeds: Need[] = [];
   sortMode: 'Ascending' | 'Descending' = 'Ascending'
+  currentPage: number = 0;
+  itemsPerPage: number = 5;
+  totalPages: number = Math.ceil(this.needs.length / this.itemsPerPage);
+
+  decrementPage() {
+    this.currentPage--;
+    this.updateVisibleNeeds();    
+  }
+
+  incrementPage() {
+    this.currentPage++;
+    this.updateVisibleNeeds();    
+  }
+
+  editNeedsPerPage(amount: number) {
+    this.itemsPerPage = amount;
+    this.updateVisibleNeeds();
+  }
+
+  updateVisibleNeeds() {
+    this.totalPages = Math.ceil(this.searchResults.length / this.itemsPerPage);
+    this.visibleNeeds = this.searchResults.slice(this.currentPage * this.itemsPerPage, (this.currentPage + 1) * this.itemsPerPage);
+  }
+
+  resetVisibleNeeds() {
+    this.currentPage = 0;
+    this.updateVisibleNeeds();
+  }
 
   currentSortAlgo: sortAlgo = sortByPriority;
   sortSelection: string = 'sortByPriority';
@@ -96,6 +125,7 @@ export class NeedListComponent {
             this.needs = n.sort(this.currentSortAlgo).reverse();
           }
           this.searchResults = this.needs;
+          this.updateVisibleNeeds();
         });
 
         const form = document.getElementById('search-form') as HTMLFormElement;
@@ -105,6 +135,7 @@ export class NeedListComponent {
 
   ngOnInit(): void {
     this.refresh()
+   
   }
 
   changeSortMode(form : any) {
@@ -145,8 +176,7 @@ export class NeedListComponent {
             } else {
               this.searchResults = n.sort(this.currentSortAlgo).reverse();
             }
-
-            console.log(currentSearchValue, this.searchResults);
+            this.updateVisibleNeeds();
             });
           }
         }, 250);