search paging improvement

2026-11-10 17:22:09 +10:00 · 2016-10-26 12:04:04 +02:00
parent 5ffb223a0d
commit 54e9797566
8 changed files with 176 additions and 65 deletions
@@ -0,0 +1,40 @@
+package org.diylc.plugins.cloud.presenter;
+
+import java.util.List;
+
+import org.diylc.plugins.cloud.model.ProjectEntity;
+
+public class PagingProvider {
+
+  private CloudPresenter cloudPresenter;
+
+  private String searchFor;
+  private String category;
+  private String sort;
+  private int itemsPerPage = 10;
+
+  private int currentPage;
+  private List<ProjectEntity> currentResults;
+
+  public PagingProvider(CloudPresenter cloudPresenter) {
+    this.cloudPresenter = cloudPresenter;
+  }
+
+  public List<ProjectEntity> startSession(String searchFor, String category, String sort) throws CloudException {
+    this.searchFor = searchFor;
+    this.category = category;
+    this.sort = sort;
+    this.currentPage = 1;
+
+    return currentResults = cloudPresenter.search(searchFor, category, sort, currentPage, itemsPerPage);
+  }
+
+  public boolean hasMoreData() {
+    return this.currentResults != null && this.currentResults.size() == itemsPerPage;
+  }
+
+  public List<ProjectEntity> requestMoreData() throws CloudException {
+    currentPage++;
+    return currentResults = cloudPresenter.search(searchFor, category, sort, currentPage, itemsPerPage);
+  }
+}