 
   @params ~w(title body developer_id channel_id likes max_likes)a
   def permitted_params, do: @params
-  def required_params,  do: @params
+  def required_params, do: @params
 
   schema "posts" do
-    field :title, :string
-    field :body, :string
-    field :slug, :string
-    field :likes, :integer, default: 1
-    field :max_likes, :integer, default: 1
-    field :tweeted_at, :utc_datetime
+    field(:title, :string)
+    field(:body, :string)
+    field(:slug, :string)
+    field(:likes, :integer, default: 1)
+    field(:max_likes, :integer, default: 1)
+    field(:tweeted_at, :utc_datetime)
 
-    belongs_to :channel, Channel
-    belongs_to :developer, Developer
+    belongs_to(:channel, Channel)
+    belongs_to(:developer, Developer)
 
     timestamps()
   end


  def slugified_title(title) do
    title
    |> String.downcase
    |> String.replace(~r/[^A-Za-z0-9\s-]/, "")
    |> String.replace(~r/(\s|-)+/, "-")
  end


  def generate_slug do
    16
    |> :crypto.strong_rand_bytes()
    |> :base64.encode()
    |> String.replace(~r/[^A-Za-z0-9]/, "")
    |> String.slice(0, 10)
    |> String.downcase()
  end

  def twitter_description(post) do
