Refactored POSTs to use a common method

POSTs to twitter now use a single method, post(url,body,headers), which
also JSON parses the response.

lib/twitter_oauth/account.rb

@@ -22,21 +22,20 @@ def rate_limit_status
     # Returns extended user info object.
     def update_profile_background_image(image, tile = false)
       body, headers = http_multipart_data({:image => image, :tile => tile})
-      oauth_response = access_token.post('/account/update_profile_background_image.json', body, headers)
+      post('/account/update_profile_background_image.json', body, headers)
     end
 
     # Updates profile avatar image. Takes a File object which should be an image.
     # Returns extended user info object.
     def update_profile_image(image)
       body, headers = http_multipart_data({:image => image})
-      oauth_response = access_token.post('/account/update_profile_image.json', body, headers)
+      post('/account/update_profile_image.json', body, headers)
     end
 
     # colors hash must contain at least one or more of the following keys :profile_background_color, :profile_text_color, :profile_link_color, :profile_sidebar_fill_color, :profile_sidebar_border_color 
     # returns extended user info object.
     def update_profile_colors(colors)
-      oauth_response = access_token.post('/account/update_profile_colors.json', colors)
-      JSON.parse(oauth_response.body)
+      post('/account/update_profile_colors.json', colors)
     end
 
   end

lib/twitter_oauth/blocks.rb

@@ -3,15 +3,13 @@ class Client
 
     # unblock this user.
     def block(id)
-      oauth_response = access_token.post("/blocks/create/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/blocks/create/#{id}.json")
     end
 
     # block this user.
     def unblock(id)
-      oauth_response = access_token.post("/blocks/destroy/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/blocks/destroy/#{id}.json")
     end
 
   end
-end
+end

lib/twitter_oauth/client.rb

@@ -35,6 +35,11 @@ def get(url)
       oauth_response = access_token.get(url)
       JSON.parse(oauth_response.body)
     end
+
+    def post(url, body = '', headers = {})
+      oauth_response = access_token.post(url, body, headers)
+      JSON.parse(oauth_response.body)
+    end
 
     def show(username)
       get("/users/show/#{username}.json")

lib/twitter_oauth/direct_messages.rb

@@ -13,14 +13,12 @@ def sent_messages
 
     # Sends a new direct message to the specified user from the authenticating user.
     def message(user, text)
-      oauth_response = access_token.post('/direct_messages/new.json', :user => user, :text => text)
-      JSON.parse(oauth_response.body)
+      post('/direct_messages/new.json', :user => user, :text => text)
     end
 
     # Destroys the direct message specified in the required ID parameter.
     def message_destroy(id)
-      oauth_response = access_token.post("/direct_messages/destroy/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/direct_messages/destroy/#{id}.json")
     end
 
   end

lib/twitter_oauth/favorites.rb

@@ -6,13 +6,11 @@ def favorites(page=1)
     end
 
     def favorite
-      oauth_response = access_token.post("/favorites/create/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/favorites/create/#{id}.json")
     end
 
     def unfavorite
-      oauth_response = access_token.post("/favorites/destroy/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/favorites/destroy/#{id}.json")
     end
 
   end

lib/twitter_oauth/friendships.rb

@@ -13,14 +13,12 @@ def followers_ids(options={})
 
     # friend this user.
     def friend(id)
-      oauth_response = access_token.post("/friendships/create/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/friendships/create/#{id}.json")
     end
 
     # unfriend.
     def unfriend(id)
-      oauth_response = access_token.post("/friendships/destroy/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/friendships/destroy/#{id}.json")
     end
 
     # exists?.

lib/twitter_oauth/notifications.rb

@@ -3,15 +3,13 @@ class Client
 
     # follow this user.
     def follow(id)
-      oauth_response = access_token.post("/notifications/follow/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/notifications/follow/#{id}.json")
     end
 
     # unfollow.
     def leave(id)
-      oauth_response = access_token.post("/notifications/leave/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/notifications/leave/#{id}.json")
     end
 
   end
-end
+end

lib/twitter_oauth/status.rb

@@ -8,20 +8,17 @@ def status(id)
 
     # Updates the authenticating user's status.
     def update(message, options={})
-      oauth_response = access_token.post('/statuses/update.json', options.merge(:status => message))
-      JSON.parse(oauth_response.body)
+      post('/statuses/update.json', options.merge(:status => message))
     end
 
     # Destroys the status specified by the required ID parameter
     def status_destroy(id)
-      oauth_response = access_token.post("/statuses/destroy/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/statuses/destroy/#{id}.json")
     end
 
     # Retweets the tweet specified by the id parameter. Returns the original tweet with retweet details embedded.
     def retweet(id)
-      oauth_response = access_token.post("/statuses/retweet/#{id}.json")
-      JSON.parse(oauth_response.body)
+      post("/statuses/retweet/#{id}.json")
     end
 
   end