FINCN-152: Added filters for Loan Accounts

app/src/main/java/org/apache/fineract/ui/online/loanaccounts/loanaccountlist/LoanAccountsContract.java

@@ -28,10 +28,14 @@ interface View extends MvpView {
         void showProgressbar();
 
         void hideProgressbar();
+
+        void searchedLoanAccounts(List<LoanAccount> loanAccountList);
     }
 
     interface Presenter {
 
+        void searchLoanAccounts(List<LoanAccount> loanAccountList, String query);
+
         void fetchCustomerLoanAccounts(String customerIdentifier, Integer pageIndex,
                 Boolean loadmore);
 

app/src/main/java/org/apache/fineract/ui/online/loanaccounts/loanaccountlist/LoanAccountsFragment.java

@@ -1,12 +1,18 @@
 package org.apache.fineract.ui.online.loanaccounts.loanaccountlist;
 
+import android.app.SearchManager;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.SearchView;
+import android.text.TextUtils;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
@@ -86,6 +92,7 @@ public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
         setToolbarTitle(getString(R.string.loan_accounts));
 
         showUserInterface();
+        setHasOptionsMenu(true);
 
         return rootView;
     }
@@ -213,4 +220,44 @@ public void onItemClick(View childView, int position) {
     public void onItemLongPress(View childView, int position) {
 
     }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        super.onCreateOptionsMenu(menu, inflater);
+        inflater.inflate(R.menu.menu_loan_account_search, menu);
+        setUpSearchInterface(menu);
+    }
+
+    private void setUpSearchInterface(Menu menu) {
+        SearchManager searchManager = (SearchManager) getActivity().
+                getSystemService(Context.SEARCH_SERVICE);
+
+        SearchView searchView = (SearchView) menu.findItem(R.id.loan_account_search)
+                .getActionView();
+        searchView.setSearchableInfo(searchManager.getSearchableInfo(getActivity()
+                .getComponentName()));
+
+        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+            @Override
+            public boolean onQueryTextSubmit(String query) {
+                customerLoansPresenter.searchLoanAccounts(loanAccounts, query);
+                return false;
+            }
+
+            @Override
+            public boolean onQueryTextChange(String newText) {
+                if (TextUtils.isEmpty(newText)) {
+                    searchedLoanAccounts(loanAccounts);
+                }
+                customerLoansPresenter.searchLoanAccounts(loanAccounts, newText);
+                return false;
+            }
+        });
+
+    }
+
+    @Override
+    public void searchedLoanAccounts(List<LoanAccount> loanAccountList) {
+        customerLoanAdapter.setCustomerLoanAccounts(loanAccountList);
+    }
 }

app/src/main/java/org/apache/fineract/ui/online/loanaccounts/loanaccountlist/LoanAccountsPresenter.java

@@ -15,8 +15,10 @@
 
 import javax.inject.Inject;
 
+import io.reactivex.Observable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.functions.Predicate;
 import io.reactivex.observers.DisposableObserver;
 import io.reactivex.schedulers.Schedulers;
 
@@ -115,4 +117,16 @@ public void showCustomerLoanAccounts(List<LoanAccount> loanAccounts) {
             getMvpView().showLoanAccounts(loanAccounts);
         }
     }
+
+    @Override
+    public void searchLoanAccounts(List<LoanAccount> loanAccountList, final String query) {
+        getMvpView().searchedLoanAccounts(Observable.fromIterable(loanAccountList)
+                .filter(new Predicate<LoanAccount>() {
+                    @Override
+                    public boolean test(LoanAccount loanAccount) {
+                        return loanAccount.getIdentifier().toLowerCase()
+                                .contains(query.toLowerCase());
+                    }
+                }).toList().blockingGet());
+    }
 }

app/src/main/res/menu/menu_loan_account_search.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/loan_account_search"
+        android:icon="@drawable/ic_search_black_24dp"
+        android:title="Loan Account Search"
+        app:showAsAction="always"
+        app:actionViewClass="android.support.v7.widget.SearchView" />
+</menu>