Merge pull request #95 from Fullscreen/add-since

Add since option for posts and videos of a page

lib/funky/page.rb

@@ -29,10 +29,10 @@ def self.find(page_id)
     #
     # @return [Array<Funky::Video>] multiple Funky::Video objects containing data
     #   fetched by Facebook Graph API.
-    def videos
-      videos = Funky::Connection::API.fetch(
-        "#{id}/videos?fields=id,title,description,created_time,length,comments.limit(0).summary(true),likes.limit(0).summary(true),reactions.limit(0).summary(true)",
-        is_array: true)
+    def videos(options = {})
+      path_query = "#{id}/videos?fields=id,title,description,created_time,length,comments.limit(0).summary(true),likes.limit(0).summary(true),reactions.limit(0).summary(true)"
+      path_query << "&since=#{options[:since]}" if options[:since]
+      videos = Funky::Connection::API.fetch_all(path_query)
       videos.map {|video| Video.new(video) }
     end
 
@@ -46,8 +46,10 @@ def videos
     #
     # @return [Array<Funky::Post>] multiple Funky::Post objects containing data
     #   fetched by Facebook Graph API.
-    def posts
-      posts = Funky::Connection::API.fetch_all("#{id}/posts?fields=type,created_time")
+    def posts(options = {})
+      path_query = "#{id}/posts?fields=type,created_time"
+      path_query << "&since=#{options[:since]}" if options[:since]
+      posts = Funky::Connection::API.fetch_all(path_query)
       posts.map {|post| Post.new(post)}
     end
 

spec/pages/posts_spec.rb

@@ -27,4 +27,18 @@
       end
     end
   end
+
+  describe '#posts with since option' do
+    let(:page) { Funky::Page.find(page_id) }
+    let(:posts) { page.posts(since: since_date) }
+
+    context 'given an existing page ID and since date' do
+      let(:page_id) { fullscreen_page_id }
+      let(:since_date) { "2017-07-27" }
+
+      specify 'returns the first post of since date as the last' do
+        expect(posts.last.id).to eq('221406534569729_1516478451729191')
+      end
+    end
+  end
 end

spec/pages/videos_spec.rb

@@ -80,4 +80,18 @@
       end
     end
   end
+
+  describe '#videos with since option' do
+    let(:page) { Funky::Page.find(page_id) }
+    let(:videos) { page.videos(since: since_date) }
+
+    context 'given an existing page ID and since date' do
+      let(:page_id) { fullscreen_page_id }
+      let(:since_date) { "2017-07-27" }
+
+      specify 'returns the first video of since date as the last' do
+        expect(videos.last.id).to eq('1517225178321185')
+      end
+    end
+  end
 end