add shops context, clothes and users-clothes

users-clothes is a many-to-many unique relationship

lib/pokemon_couture/accounts/user.ex

@@ -8,6 +8,7 @@ defmodule PokemonCouture.Accounts.User do
     field :password, :string, virtual: true
     field :hashed_password, :string
     field :confirmed_at, :naive_datetime
+    many_to_many :clothes, PokemonCouture.Shops.Clothes, join_through: "ownerships", unique: :true
 
     timestamps()
   end

lib/pokemon_couture/shops.ex

@@ -0,0 +1,104 @@
+defmodule PokemonCouture.Shops do
+  @moduledoc """
+  The Shops context.
+  """
+
+  import Ecto.Query, warn: false
+  alias PokemonCouture.Repo
+
+  alias PokemonCouture.Shops.Clothes
+
+  @doc """
+  Returns the list of clothes.
+
+  ## Examples
+
+      iex> list_clothes()
+      [%Clothes{}, ...]
+
+  """
+  def list_clothes do
+    Repo.all(Clothes)
+  end
+
+  @doc """
+  Gets a single clothes.
+
+  Raises `Ecto.NoResultsError` if the Clothes does not exist.
+
+  ## Examples
+
+      iex> get_clothes!(123)
+      %Clothes{}
+
+      iex> get_clothes!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_clothes!(id), do: Repo.get!(Clothes, id)
+
+  @doc """
+  Creates a clothes.
+
+  ## Examples
+
+      iex> create_clothes(%{field: value})
+      {:ok, %Clothes{}}
+
+      iex> create_clothes(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_clothes(attrs \\ %{}) do
+    %Clothes{}
+    |> Clothes.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a clothes.
+
+  ## Examples
+
+      iex> update_clothes(clothes, %{field: new_value})
+      {:ok, %Clothes{}}
+
+      iex> update_clothes(clothes, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_clothes(%Clothes{} = clothes, attrs) do
+    clothes
+    |> Clothes.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a clothes.
+
+  ## Examples
+
+      iex> delete_clothes(clothes)
+      {:ok, %Clothes{}}
+
+      iex> delete_clothes(clothes)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_clothes(%Clothes{} = clothes) do
+    Repo.delete(clothes)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking clothes changes.
+
+  ## Examples
+
+      iex> change_clothes(clothes)
+      %Ecto.Changeset{data: %Clothes{}}
+
+  """
+  def change_clothes(%Clothes{} = clothes, attrs \\ %{}) do
+    Clothes.changeset(clothes, attrs)
+  end
+end

lib/pokemon_couture/shops/clothes.ex

@@ -0,0 +1,20 @@
+defmodule PokemonCouture.Shops.Clothes do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "clothes" do
+    field :game, :string
+    field :location, :string
+    field :name, :string
+    many_to_many :users, PokemonCouture.Accounts.User, join_through: "ownerships", unique: :true
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(clothes, attrs) do
+    clothes
+    |> cast(attrs, [:name, :location, :game])
+    |> validate_required([:name, :location, :game])
+  end
+end