some lazy changes

lib/draincloud_core/repo/user_repo.ex

@@ -0,0 +1,8 @@
+defmodule DrainCloudCore.UsersRepo do
+  alias DrainCloudCore.Repo, as: Repo
+  import Ecto.Query
+
+  def password_by_login(login) do
+    Repo.all(from u in :users, where: u.login = login, select: u.password, limit: 1)
+  end
+end

lib/draincloud_core_web/controllers/auth_controller/auth_controller.ex

@@ -1,17 +1,18 @@
 defmodule DrainCloudCoreWeb.AuthController do
   use DrainCloudCoreWeb, :controller
 
-  alias DrainCloudCoreWeb.AuthController.RegisterRequest, as: Request
+  alias DrainCloudCoreWeb.AuthController.RegisterRequest, as: RegisterRequest
+  alias DrainCloudCoreWeb.AuthController.LoginRequest, as: LoginRequest
   alias :logger, as: Log
 
   alias DrainCloudCore.Repo, as: Repo
 
-  def register(conn = %Plug.Conn{}, _params) do
-    req = Request.from_request(conn)
+  def register(conn, _params) do
+    req = RegisterRequest.from_request(conn)
 
     Log.debug("new register request: #{req}")
 
-    model = Request.to_model(req)
+    model = RegisterRequest.to_model(req)
 
     try do
       Repo.insert(model)
@@ -21,75 +22,11 @@ defmodule DrainCloudCoreWeb.AuthController do
 
     json(conn, req)
   end
-end
 
-defmodule DrainCloudCoreWeb.AuthController.RegisterRequest do
-  @derive [Poison.Encoder, Jason.Encoder]
+  def login(conn, _params) do
+    req = LoginRequest.from_request(conn)
 
-  defstruct login: "", password: ""
+    Log.debug("new login request: #{req}")
 
-  alias __MODULE__, as: Request
-  alias DrainCloudCore.Auth.Users, as: User
-  alias DrainCloudCoreWeb.Errors.InvalidArgumentException, as: InvalidArgumentException
-
-  def from_request(conn = %Plug.Conn{}) do
-    :logger.debug("[from_request] incoming request: #{Kernel.inspect(conn.params)}")
-
-    validate_and_build(conn.params)
-  end
-
-  def to_model(req = %Request{}) do
-    %User{
-      login: req.login,
-      password: req.password
-    }
-  end
-
-  defp validate_and_build(req) do
-    validate(req)
-    |> build
-  end
-
-  defp validate(req) do
-    validate_login(req)
-    |> validate_password
-  end
-
-  defp validate_login(req) do
-    if String.length(Map.get(req, "login")) >= 3 do
-      req
-    else
-      raise InvalidArgumentException, %{
-        message: "login must be 3 symbols at minimum",
-        args: ["login"]
-      }
-    end
-  end
-
-  defp validate_password(req) do
-    if String.length(Map.get(req, "password")) >= 8 do
-      req
-    else
-      raise InvalidArgumentException, %{
-        message: "password must be 8 symbols at minimum",
-        args: ["password"]
-      }
-    end
-  end
-
-  defp build(req) do
-    %Request{
-      login: Map.get(req, "login"),
-      password: Map.get(req, "password")
-    }
-  end
-
-  defimpl String.Chars, for: DrainCloudCoreWeb.AuthController.RegisterRequest do
-    def to_string(req) do
-      case Jason.encode(req) do
-        {:ok, str} -> str
-        {:error, msg} -> raise "failed to encode register request to string: #{msg}"
-      end
-    end
   end
 end

lib/draincloud_core_web/controllers/auth_controller/login_request.ex

@@ -0,0 +1,71 @@
+defmodule DraincloudCoreWeb.AuthController.LoginRequest do
+  @derive [Poison.Encoder, Jason.Encoder]
+
+  defstruct login: "", password: ""
+
+  alias __MODULE__, as: Request
+  alias DrainCloudCore.Auth.Users, as: User
+  alias DrainCloudCoreWeb.Errors.InvalidArgumentException, as: InvalidArgumentException
+
+  def from_request(conn = %Plug.Conn{}) do
+    # TODO remove Kernel.inspect calls
+    :logger.debug("[from_request] incoming request: #{Kernel.inspect(conn.params)}")
+
+    validate_and_build(conn.params)
+  end
+
+  def to_model(req = %Request{}) do
+    %User{
+      login: req.login,
+      password: req.password
+    }
+  end
+
+  defp validate_and_build(req) do
+    validate(req)
+    |> build
+  end
+
+  defp validate(req) do
+    validate_login(req)
+    |> validate_password
+  end
+
+  defp validate_login(req) do
+    if String.length(Map.get(req, "login")) >= 3 do
+      req
+    else
+      raise InvalidArgumentException, %{
+        message: "login must be 3 symbols at minimum",
+        args: ["login"]
+      }
+    end
+  end
+
+  defp validate_password(req) do
+    if String.length(Map.get(req, "password")) >= 8 do
+      req
+    else
+      raise InvalidArgumentException, %{
+        message: "password must be 8 symbols at minimum",
+        args: ["password"]
+      }
+    end
+  end
+
+  defp build(req) do
+    %Request{
+      login: Map.get(req, "login"),
+      password: Map.get(req, "password")
+    }
+  end
+
+  defimpl String.Chars, for: DrainCloudCoreWeb.AuthController.LoginRequest do
+    def to_string(req) do
+      case Jason.encode(req) do
+        {:ok, str} -> str
+        {:error, msg} -> raise "failed to encode login request to string: #{msg}"
+      end
+    end
+  end
+end

lib/draincloud_core_web/controllers/auth_controller/register_request.ex

@@ -0,0 +1,71 @@
+defmodule DrainCloudCoreWeb.AuthController.RegisterRequest do
+  @derive [Poison.Encoder, Jason.Encoder]
+
+  defstruct login: "", password: ""
+
+  alias __MODULE__, as: Request
+  alias DrainCloudCore.Auth.Users, as: User
+  alias DrainCloudCoreWeb.Errors.InvalidArgumentException, as: InvalidArgumentException
+
+  def from_request(conn = %Plug.Conn{}) do
+    # TODO remove Kernel.inspect calls
+    :logger.debug("[from_request] incoming request: #{Kernel.inspect(conn.params)}")
+
+    validate_and_build(conn.params)
+  end
+
+  def to_model(req = %Request{}) do
+    %User{
+      login: req.login,
+      password: req.password
+    }
+  end
+
+  defp validate_and_build(req) do
+    validate(req)
+    |> build
+  end
+
+  defp validate(req) do
+    validate_login(req)
+    |> validate_password
+  end
+
+  defp validate_login(req) do
+    if String.length(Map.get(req, "login")) >= 3 do
+      req
+    else
+      raise InvalidArgumentException, %{
+        message: "login must be 3 symbols at minimum",
+        args: ["login"]
+      }
+    end
+  end
+
+  defp validate_password(req) do
+    if String.length(Map.get(req, "password")) >= 8 do
+      req
+    else
+      raise InvalidArgumentException, %{
+        message: "password must be 8 symbols at minimum",
+        args: ["password"]
+      }
+    end
+  end
+
+  defp build(req) do
+    %Request{
+      login: Map.get(req, "login"),
+      password: Map.get(req, "password")
+    }
+  end
+
+  defimpl String.Chars, for: DrainCloudCoreWeb.AuthController.RegisterRequest do
+    def to_string(req) do
+      case Jason.encode(req) do
+        {:ok, str} -> str
+        {:error, msg} -> raise "failed to encode register request to string: #{msg}"
+      end
+    end
+  end
+end