Refactor following credo

4 files changed, 19 insertions, 13 deletions

diff --git a/lib/boltex.ex b/lib/boltex.ex
index 992009f..a5b2bbf 100644
--- a/lib/boltex.ex
+++ b/lib/boltex.ex
@@ -1,4 +1,10 @@
 defmodule Boltex do
+  @moduledoc """
+  Elixir library for using the Neo4J Bolt Protocol.
+
+  It supports de- and encoding of Boltex binaries and sending and receiving
+  of data using the Bolt protocol.
+  """
   alias Boltex.Bolt
 
   def test(host, port, query, params \\ %{}, auth \\ nil) do
@@ -7,7 +13,7 @@ defmodule Boltex do
     :ok        = Bolt.handshake :gen_tcp, p
     :ok        = Bolt.init :gen_tcp, p, auth
 
-    IO.inspect Bolt.run_statement(:gen_tcp, p, query)
+    Bolt.run_statement(:gen_tcp, p, query)
   end
 
 end
diff --git a/lib/boltex/bolt.ex b/lib/boltex/bolt.ex
index 984d0b6..d433ea6 100644
--- a/lib/boltex/bolt.ex
+++ b/lib/boltex/bolt.ex
@@ -89,7 +89,8 @@ defmodule Boltex.Bolt do
   Messages have to be in the form of {[messages], signature}.
   """
   def send_messages(transport, port, messages) do
-    Enum.map(messages, &generate_binary_message/1)
+    messages
+    |> Enum.map(&generate_binary_message/1)
     |> generate_chunks
     |> Enum.each(&(transport.send(port, &1)))
   end
@@ -151,7 +152,7 @@ defmodule Boltex.Bolt do
     ]
 
     with {:success, %{}} = data <- receive_data(transport, port),
-    do:  [data | receive_data(transport, port) |> List.wrap]
+    do:  [data | transport |> receive_data(port) |> List.wrap]
   end
 
   @doc """
@@ -178,7 +179,7 @@ defmodule Boltex.Bolt do
   * `:failure`
   """
   def receive_data(transport, port, previous \\ []) do
-    case do_receive_data(transport, port) |> unpack do
+    case transport |> do_receive_data(transport) |> unpack do
       {:record, _} = data ->
         receive_data transport, port, [data | previous]
 
@@ -207,7 +208,6 @@ defmodule Boltex.Bolt do
       {:error, :timeout} ->
         {:error, :no_more_data_received}
       other ->
-        IO.inspect Utils.hex_encode other
         raise "receive failed"
     end
   end
diff --git a/lib/boltex/pack_stream.ex b/lib/boltex/pack_stream.ex
index 736351f..aeca3a9 100644
--- a/lib/boltex/pack_stream.ex
+++ b/lib/boltex/pack_stream.ex
@@ -56,9 +56,8 @@ defmodule Boltex.PackStream do
   def decode(<< 0xD5,     list_size :: 16 >> <> bin), do: list(bin, list_size)
   def decode(<< 0xD6,     list_size :: 32 >> <> bin), do: list(bin, list_size)
   def decode(<< 0xD7 >> <> bin) do
-    position =
-      for(<< byte <- bin >>, do: byte)
-      |> Enum.find_index(&(&1 == 0xDF))
+    bytes    = for(<< byte <- bin >>, do: byte)
+    position = Enum.find_index bytes, &(&1 == 0xDF)
 
     << list :: binary-size(position), 0xDF, rest :: binary >> = bin
 
@@ -71,9 +70,8 @@ defmodule Boltex.PackStream do
   def decode(<< 0xD9,     entries :: 16 >> <> bin), do: map(bin, entries)
   def decode(<< 0xDA,     entries :: 32 >> <> bin), do: map(bin, entries)
   def decode(<< 0xDB >> <> bin) do
-    position =
-      for(<< byte <- bin >>, do: byte)
-      |> Enum.find_index(&(&1 == 0xDF))
+    bytes    = for(<< byte <- bin >>, do: byte)
+    position = Enum.find_index bytes, &(&1 == 0xDF)
 
     << map:: binary-size(position), 0xDF, rest :: binary >> = bin
 
diff --git a/lib/boltex/utils.ex b/lib/boltex/utils.ex
index 333217e..fea5759 100644
--- a/lib/boltex/utils.ex
+++ b/lib/boltex/utils.ex
@@ -1,4 +1,6 @@
 defmodule Boltex.Utils do
+  @moduledoc "Different utils used to debugging and helping."
+
   def reduce_to_binary(enumerable, transform) do
     Enum.reduce enumerable, <<>>, fn(data, acc) -> acc <> transform.(data) end
   end
@@ -8,7 +10,7 @@ defmodule Boltex.Utils do
   end
 
   def hex_decode(hex_list) do
-    for(hex <- hex_list, do: Integer.parse(hex, 16) |> elem(0))
-    |> reduce_to_binary(&<<&1>>)
+    integers = for(hex <- hex_list, do: hex |> Integer.parse(16) |> elem(0))
+    reduce_to_binary integer, &<<&1>>
   end
 end