context: unread_notifications

lib/philomena/notifications.ex

@@ -101,4 +101,100 @@ defmodule Philomena.Notifications do
   def change_notification(%Notification{} = notification) do
     Notification.changeset(notification, %{})
   end
+
+  alias Philomena.Notifications.UnreadNotification
+
+  @doc """
+  Returns the list of unread_notifications.
+
+  ## Examples
+
+      iex> list_unread_notifications()
+      [%UnreadNotification{}, ...]
+
+  """
+  def list_unread_notifications do
+    Repo.all(UnreadNotification)
+  end
+
+  @doc """
+  Gets a single unread_notification.
+
+  Raises `Ecto.NoResultsError` if the Unread notification does not exist.
+
+  ## Examples
+
+      iex> get_unread_notification!(123)
+      %UnreadNotification{}
+
+      iex> get_unread_notification!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_unread_notification!(id), do: Repo.get!(UnreadNotification, id)
+
+  @doc """
+  Creates a unread_notification.
+
+  ## Examples
+
+      iex> create_unread_notification(%{field: value})
+      {:ok, %UnreadNotification{}}
+
+      iex> create_unread_notification(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_unread_notification(attrs \\ %{}) do
+    %UnreadNotification{}
+    |> UnreadNotification.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a unread_notification.
+
+  ## Examples
+
+      iex> update_unread_notification(unread_notification, %{field: new_value})
+      {:ok, %UnreadNotification{}}
+
+      iex> update_unread_notification(unread_notification, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_unread_notification(%UnreadNotification{} = unread_notification, attrs) do
+    unread_notification
+    |> UnreadNotification.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a UnreadNotification.
+
+  ## Examples
+
+      iex> delete_unread_notification(unread_notification)
+      {:ok, %UnreadNotification{}}
+
+      iex> delete_unread_notification(unread_notification)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_unread_notification(%UnreadNotification{} = unread_notification) do
+    Repo.delete(unread_notification)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking unread_notification changes.
+
+  ## Examples
+
+      iex> change_unread_notification(unread_notification)
+      %Ecto.Changeset{source: %UnreadNotification{}}
+
+  """
+  def change_unread_notification(%UnreadNotification{} = unread_notification) do
+    UnreadNotification.changeset(unread_notification, %{})
+  end
 end

lib/philomena/notifications/unread_notification.ex

@@ -0,0 +1,18 @@
+defmodule Philomena.Notifications.UnreadNotification do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key false
+
+  schema "unread_notifications" do
+    belongs_to :user, Philomena.Users.User, primary_key: true
+    belongs_to :notification, Philomena.Notifications.Notification, primary_key: true
+  end
+
+  @doc false
+  def changeset(unread_notification, attrs) do
+    unread_notification
+    |> cast(attrs, [])
+    |> validate_required([])
+  end
+end

test/philomena/notifications_test.exs

@@ -59,4 +59,61 @@ defmodule Philomena.NotificationsTest do
       assert %Ecto.Changeset{} = Notifications.change_notification(notification)
     end
   end
+
+  describe "unread_notifications" do
+    alias Philomena.Notifications.UnreadNotification
+
+    @valid_attrs %{}
+    @update_attrs %{}
+    @invalid_attrs %{}
+
+    def unread_notification_fixture(attrs \\ %{}) do
+      {:ok, unread_notification} =
+        attrs
+        |> Enum.into(@valid_attrs)
+        |> Notifications.create_unread_notification()
+
+      unread_notification
+    end
+
+    test "list_unread_notifications/0 returns all unread_notifications" do
+      unread_notification = unread_notification_fixture()
+      assert Notifications.list_unread_notifications() == [unread_notification]
+    end
+
+    test "get_unread_notification!/1 returns the unread_notification with given id" do
+      unread_notification = unread_notification_fixture()
+      assert Notifications.get_unread_notification!(unread_notification.id) == unread_notification
+    end
+
+    test "create_unread_notification/1 with valid data creates a unread_notification" do
+      assert {:ok, %UnreadNotification{} = unread_notification} = Notifications.create_unread_notification(@valid_attrs)
+    end
+
+    test "create_unread_notification/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Notifications.create_unread_notification(@invalid_attrs)
+    end
+
+    test "update_unread_notification/2 with valid data updates the unread_notification" do
+      unread_notification = unread_notification_fixture()
+      assert {:ok, %UnreadNotification{} = unread_notification} = Notifications.update_unread_notification(unread_notification, @update_attrs)
+    end
+
+    test "update_unread_notification/2 with invalid data returns error changeset" do
+      unread_notification = unread_notification_fixture()
+      assert {:error, %Ecto.Changeset{}} = Notifications.update_unread_notification(unread_notification, @invalid_attrs)
+      assert unread_notification == Notifications.get_unread_notification!(unread_notification.id)
+    end
+
+    test "delete_unread_notification/1 deletes the unread_notification" do
+      unread_notification = unread_notification_fixture()
+      assert {:ok, %UnreadNotification{}} = Notifications.delete_unread_notification(unread_notification)
+      assert_raise Ecto.NoResultsError, fn -> Notifications.get_unread_notification!(unread_notification.id) end
+    end
+
+    test "change_unread_notification/1 returns a unread_notification changeset" do
+      unread_notification = unread_notification_fixture()
+      assert %Ecto.Changeset{} = Notifications.change_unread_notification(unread_notification)
+    end
+  end
 end