From c72733fe129e54442d11e34097605df3e24c75af Mon Sep 17 00:00:00 2001
From: Philip Blackwell <p.blackwell@gmail.com>
Date: Mon, 7 Jul 2014 13:34:26 +1000
Subject: [PATCH] Added filterTerm to ABXFAQsViewController

If filterTerm is set, no search UI is added, and only FAQs matching the filterTerm are shown.
---
 Classes/Controllers/ABXFAQsViewController.h |  5 ++++
 Classes/Controllers/ABXFAQsViewController.m | 26 ++++++++++++++-------
 2 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/Classes/Controllers/ABXFAQsViewController.h b/Classes/Controllers/ABXFAQsViewController.h
index fc9db4d..1dae729 100644
--- a/Classes/Controllers/ABXFAQsViewController.h
+++ b/Classes/Controllers/ABXFAQsViewController.h
@@ -18,4 +18,9 @@
 @property (nonatomic, assign) BOOL hideContactButton;
 @property (nonatomic, strong) NSDictionary *contactMetaData;
 
+/**
+ *  Filter term. If set, no search bar will be added, but only FAQs matching the filter term will be shown.
+ */
+@property (nonatomic, strong) NSString *filterTerm;
+
 @end
diff --git a/Classes/Controllers/ABXFAQsViewController.m b/Classes/Controllers/ABXFAQsViewController.m
index a9ffb8b..e6a4773 100644
--- a/Classes/Controllers/ABXFAQsViewController.m
+++ b/Classes/Controllers/ABXFAQsViewController.m
@@ -43,7 +43,7 @@ - (void)viewDidLoad
     [super viewDidLoad];
     
     // Title
-    self.title = [@"FAQs" localizedString];
+    self.title = self.title ?: [@"FAQs" localizedString];
     
     // Setup our UI components
     [self setupFaqUI];
@@ -79,12 +79,15 @@ - (void)didReceiveMemoryWarning
 
 - (void)setupFaqUI
 {
-    // Search bar
-    self.searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.view.bounds), 44)];
-    self.searchBar.delegate = self;
-    self.searchBar.placeholder = [@"Search..." localizedString];
-    self.tableView.tableHeaderView = self.searchBar;
+    if (!self.filterTerm) {
+        // Search bar
+        self.searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.view.bounds), 44)];
+        self.searchBar.delegate = self;
+        self.searchBar.placeholder = [@"Search..." localizedString];
+        self.tableView.tableHeaderView = self.searchBar;
+    }
     
+
     // Nav buttons
     if (!self.hideContactButton) {
         self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]
@@ -104,11 +107,16 @@ - (void)fetchFAQs
     [ABXFaq fetch:^(NSArray *faqs, ABXResponseCode responseCode, NSInteger httpCode, NSError *error) {
         [self.activityView stopAnimating];
         if (responseCode == ABXResponseCodeSuccess) {
-            self.faqs = faqs;
-            self.filteredFaqs = faqs;
+            if (self.filterTerm) {
+                NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF.question contains[cd] %@ OR SELF.answer contains[cd] %@", self.filterTerm, self.filterTerm];
+                self.faqs = [faqs filteredArrayUsingPredicate:predicate];
+            } else {
+                self.faqs = faqs;
+            }
+            self.filteredFaqs = self.faqs;
             [self.tableView reloadData];
             
-            if (faqs.count == 0) {
+            if (self.faqs.count == 0) {
                 [self showError:[@"No FAQs" localizedString]];
             }
             else {