context: adverts

lib/philomena/adverts.ex

@@ -0,0 +1,104 @@
+defmodule Philomena.Adverts do
+  @moduledoc """
+  The Adverts context.
+  """
+
+  import Ecto.Query, warn: false
+  alias Philomena.Repo
+
+  alias Philomena.Adverts.Advert
+
+  @doc """
+  Returns the list of adverts.
+
+  ## Examples
+
+      iex> list_adverts()
+      [%Advert{}, ...]
+
+  """
+  def list_adverts do
+    Repo.all(Advert)
+  end
+
+  @doc """
+  Gets a single advert.
+
+  Raises `Ecto.NoResultsError` if the Advert does not exist.
+
+  ## Examples
+
+      iex> get_advert!(123)
+      %Advert{}
+
+      iex> get_advert!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_advert!(id), do: Repo.get!(Advert, id)
+
+  @doc """
+  Creates a advert.
+
+  ## Examples
+
+      iex> create_advert(%{field: value})
+      {:ok, %Advert{}}
+
+      iex> create_advert(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_advert(attrs \\ %{}) do
+    %Advert{}
+    |> Advert.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a advert.
+
+  ## Examples
+
+      iex> update_advert(advert, %{field: new_value})
+      {:ok, %Advert{}}
+
+      iex> update_advert(advert, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_advert(%Advert{} = advert, attrs) do
+    advert
+    |> Advert.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Advert.
+
+  ## Examples
+
+      iex> delete_advert(advert)
+      {:ok, %Advert{}}
+
+      iex> delete_advert(advert)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_advert(%Advert{} = advert) do
+    Repo.delete(advert)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking advert changes.
+
+  ## Examples
+
+      iex> change_advert(advert)
+      %Ecto.Changeset{source: %Advert{}}
+
+  """
+  def change_advert(%Advert{} = advert) do
+    Advert.changeset(advert, %{})
+  end
+end

lib/philomena/adverts/advert.ex

@@ -0,0 +1,26 @@
+defmodule Philomena.Adverts.Advert do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "adverts" do
+    field :image, :string
+    field :link, :string
+    field :title, :string
+    field :clicks, :integer, default: 0
+    field :impressions, :integer, default: 0
+    field :live, :boolean, default: false
+    field :start_date, :naive_datetime
+    field :finish_date, :naive_datetime
+    field :restrictions, :string
+    field :notes, :string
+
+    timestamps(inserted_at: :created_at)
+  end
+
+  @doc false
+  def changeset(advert, attrs) do
+    advert
+    |> cast(attrs, [])
+    |> validate_required([])
+  end
+end

test/philomena/adverts_test.exs

@@ -0,0 +1,62 @@
+defmodule Philomena.AdvertsTest do
+  use Philomena.DataCase
+
+  alias Philomena.Adverts
+
+  describe "adverts" do
+    alias Philomena.Adverts.Advert
+
+    @valid_attrs %{}
+    @update_attrs %{}
+    @invalid_attrs %{}
+
+    def advert_fixture(attrs \\ %{}) do
+      {:ok, advert} =
+        attrs
+        |> Enum.into(@valid_attrs)
+        |> Adverts.create_advert()
+
+      advert
+    end
+
+    test "list_adverts/0 returns all adverts" do
+      advert = advert_fixture()
+      assert Adverts.list_adverts() == [advert]
+    end
+
+    test "get_advert!/1 returns the advert with given id" do
+      advert = advert_fixture()
+      assert Adverts.get_advert!(advert.id) == advert
+    end
+
+    test "create_advert/1 with valid data creates a advert" do
+      assert {:ok, %Advert{} = advert} = Adverts.create_advert(@valid_attrs)
+    end
+
+    test "create_advert/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Adverts.create_advert(@invalid_attrs)
+    end
+
+    test "update_advert/2 with valid data updates the advert" do
+      advert = advert_fixture()
+      assert {:ok, %Advert{} = advert} = Adverts.update_advert(advert, @update_attrs)
+    end
+
+    test "update_advert/2 with invalid data returns error changeset" do
+      advert = advert_fixture()
+      assert {:error, %Ecto.Changeset{}} = Adverts.update_advert(advert, @invalid_attrs)
+      assert advert == Adverts.get_advert!(advert.id)
+    end
+
+    test "delete_advert/1 deletes the advert" do
+      advert = advert_fixture()
+      assert {:ok, %Advert{}} = Adverts.delete_advert(advert)
+      assert_raise Ecto.NoResultsError, fn -> Adverts.get_advert!(advert.id) end
+    end
+
+    test "change_advert/1 returns a advert changeset" do
+      advert = advert_fixture()
+      assert %Ecto.Changeset{} = Adverts.change_advert(advert)
+    end
+  end
+end