some exceptions and validation logic implemented

calls.api

@@ -0,0 +1,11 @@
+{
+  "body": {
+    "content": "",
+    "file": false,
+    "fileSize": false
+  },
+  "headers": {},
+  "method": "GET",
+  "title": "New HTTP Request",
+  "url": ""
+}

lib/draincloud_core/auth/users.ex

@@ -4,8 +4,8 @@ defmodule DrainCloudCore.Auth.Users do
 
   schema "users" do
     field :login, :string
-    field :passwoed, :string, redact: true
-    field :crated_at, :utc_datetime
+    field :password, :string, redact: true
+    field :created_at, :utc_datetime
     field :updated_at, :utc_datetime
     field :deleted_at, :utc_datetime
   end

lib/draincloud_core_web/controllers/auth_controller/auth_controller.ex

@@ -1,29 +1,70 @@
 defmodule DrainCloudCoreWeb.AuthController do
   use DrainCloudCoreWeb, :controller
+
   alias DrainCloudCoreWeb.AuthController.RegisterRequest, as: Request
+  alias :logger, as: Log
 
+  alias DrainCloudCore.Repo, as: Repo
 
-
-  def register(conn, _params) do
+  def register(conn = %Plug.Conn{}, _params) do
     req = Request.from_request(conn)
-    :logger.warning(req)
+    Log.debug("new register request: #{req}")
+
+    model = Request.to_model req
+
+    try do
+      Repo.insert(model)
+    rescue
+      e in RuntimeError -> Log.error("failed to insert new user: #{e}")
+    end
+
     json(conn, req)
   end
 end
 
 defmodule DrainCloudCoreWeb.AuthController.RegisterRequest do
-  @derive [Poison.Encoder, Jason.Encoder]
+  @derive [Poison.Encoder,Jason.Encoder]
+
   defstruct login: "", password: ""
 
-  alias DrainCloudCoreWeb.AuthController.RegisterRequest, as: RegisterRequest
+  alias __MODULE__, as: Request
+  alias DrainCloudCore.Auth.Users, as: User
+  alias DrainCloudCoreWeb.Errors.InvalidArgumentException, as: InvalidArgumentException
   def from_request(conn) do
     res = Plug.Conn.read_body(conn)
-
+    :logger.warning(Kernel.inspect(res))
     case res do
       {:error, _} -> raise "failed to read request body: #{:error}"
       {_, data, _} ->
-        Poison.decode!(data, as: %RegisterRequest{})
-      _ -> raise "failed to read request body. uexpected result: #{res}"
+        req = Poison.decode!(data, as: %Request{})
+        validate_request(req)
+        req
+      _ -> raise "failed to read request body. unexpected result #{Kernel.inspect(res)}"
+    end
+  end
+
+  def to_model(req = %Request{}) do
+    %User{
+      login: req.login,
+      password: req.password
+    }
+  end
+
+  defp validate_request(req = %Request{}) do
+    if String.length(req.login) < 3 do
+      raise InvalidArgumentException, %{message: "login must be 3 symbols at minimum", args: ["login"]}
+    else if String.length(req.password) < 8 do
+      raise InvalidArgumentException, %{message: "password must be 8 symbols at minimum", args: ["password"]}
+    end
+  end
+  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/errors/errors.ex

@@ -0,0 +1,13 @@
+defmodule DrainCloudCoreWeb.Errors.InvalidArgumentException do
+  alias __MODULE__, as: InvalidArgumentException
+  defexception [:message, :args]
+
+  @impl true
+  def exception(term) do
+    case term do
+      [] -> %InvalidArgumentException{}
+      {message, args} -> %InvalidArgumentException{message: message, args: args}
+      _ -> %InvalidArgumentException{message: "Error: " <> term}
+    end
+  end
+end