From 1044f9a9f859866a844ecdee9fbdbe446df73c8c Mon Sep 17 00:00:00 2001
From: "Liam P. White" <byteslice@airmail.cc>
Date: Wed, 28 Aug 2019 12:53:01 -0400
Subject: [PATCH] context: donations

---
 lib/philomena/donations.ex          | 104 ++++++++++++++++++++++++++++
 lib/philomena/donations/donation.ex |  24 +++++++
 test/philomena/donations_test.exs   |  62 +++++++++++++++++
 3 files changed, 190 insertions(+)
 create mode 100644 lib/philomena/donations.ex
 create mode 100644 lib/philomena/donations/donation.ex
 create mode 100644 test/philomena/donations_test.exs

diff --git a/lib/philomena/donations.ex b/lib/philomena/donations.ex
new file mode 100644
index 00000000..e9a040b0
--- /dev/null
+++ b/lib/philomena/donations.ex
@@ -0,0 +1,104 @@
+defmodule Philomena.Donations do
+  @moduledoc """
+  The Donations context.
+  """
+
+  import Ecto.Query, warn: false
+  alias Philomena.Repo
+
+  alias Philomena.Donations.Donation
+
+  @doc """
+  Returns the list of donations.
+
+  ## Examples
+
+      iex> list_donations()
+      [%Donation{}, ...]
+
+  """
+  def list_donations do
+    Repo.all(Donation)
+  end
+
+  @doc """
+  Gets a single donation.
+
+  Raises `Ecto.NoResultsError` if the Donation does not exist.
+
+  ## Examples
+
+      iex> get_donation!(123)
+      %Donation{}
+
+      iex> get_donation!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_donation!(id), do: Repo.get!(Donation, id)
+
+  @doc """
+  Creates a donation.
+
+  ## Examples
+
+      iex> create_donation(%{field: value})
+      {:ok, %Donation{}}
+
+      iex> create_donation(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_donation(attrs \\ %{}) do
+    %Donation{}
+    |> Donation.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a donation.
+
+  ## Examples
+
+      iex> update_donation(donation, %{field: new_value})
+      {:ok, %Donation{}}
+
+      iex> update_donation(donation, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_donation(%Donation{} = donation, attrs) do
+    donation
+    |> Donation.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Donation.
+
+  ## Examples
+
+      iex> delete_donation(donation)
+      {:ok, %Donation{}}
+
+      iex> delete_donation(donation)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_donation(%Donation{} = donation) do
+    Repo.delete(donation)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking donation changes.
+
+  ## Examples
+
+      iex> change_donation(donation)
+      %Ecto.Changeset{source: %Donation{}}
+
+  """
+  def change_donation(%Donation{} = donation) do
+    Donation.changeset(donation, %{})
+  end
+end
diff --git a/lib/philomena/donations/donation.ex b/lib/philomena/donations/donation.ex
new file mode 100644
index 00000000..dceb2b37
--- /dev/null
+++ b/lib/philomena/donations/donation.ex
@@ -0,0 +1,24 @@
+defmodule Philomena.Donations.Donation do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "donations" do
+    belongs_to :user, Philomena.Users.User
+
+    field :email, :string
+    field :amount, :decimal
+    field :fee, :decimal
+    field :txn_id, :string
+    field :reciept_id, :string
+    field :note, :string
+
+    timestamps(inserted_at: :created_at)
+  end
+
+  @doc false
+  def changeset(donation, attrs) do
+    donation
+    |> cast(attrs, [])
+    |> validate_required([])
+  end
+end
diff --git a/test/philomena/donations_test.exs b/test/philomena/donations_test.exs
new file mode 100644
index 00000000..541f471d
--- /dev/null
+++ b/test/philomena/donations_test.exs
@@ -0,0 +1,62 @@
+defmodule Philomena.DonationsTest do
+  use Philomena.DataCase
+
+  alias Philomena.Donations
+
+  describe "donations" do
+    alias Philomena.Donations.Donation
+
+    @valid_attrs %{}
+    @update_attrs %{}
+    @invalid_attrs %{}
+
+    def donation_fixture(attrs \\ %{}) do
+      {:ok, donation} =
+        attrs
+        |> Enum.into(@valid_attrs)
+        |> Donations.create_donation()
+
+      donation
+    end
+
+    test "list_donations/0 returns all donations" do
+      donation = donation_fixture()
+      assert Donations.list_donations() == [donation]
+    end
+
+    test "get_donation!/1 returns the donation with given id" do
+      donation = donation_fixture()
+      assert Donations.get_donation!(donation.id) == donation
+    end
+
+    test "create_donation/1 with valid data creates a donation" do
+      assert {:ok, %Donation{} = donation} = Donations.create_donation(@valid_attrs)
+    end
+
+    test "create_donation/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Donations.create_donation(@invalid_attrs)
+    end
+
+    test "update_donation/2 with valid data updates the donation" do
+      donation = donation_fixture()
+      assert {:ok, %Donation{} = donation} = Donations.update_donation(donation, @update_attrs)
+    end
+
+    test "update_donation/2 with invalid data returns error changeset" do
+      donation = donation_fixture()
+      assert {:error, %Ecto.Changeset{}} = Donations.update_donation(donation, @invalid_attrs)
+      assert donation == Donations.get_donation!(donation.id)
+    end
+
+    test "delete_donation/1 deletes the donation" do
+      donation = donation_fixture()
+      assert {:ok, %Donation{}} = Donations.delete_donation(donation)
+      assert_raise Ecto.NoResultsError, fn -> Donations.get_donation!(donation.id) end
+    end
+
+    test "change_donation/1 returns a donation changeset" do
+      donation = donation_fixture()
+      assert %Ecto.Changeset{} = Donations.change_donation(donation)
+    end
+  end
+end