After "mix phx.gen.live Biddings Bidding biddings bidding_round:integer amount:integer depot_wish_one:string depot_wish_two:string".

lib/beet_round_server/biddings.ex

@@ -0,0 +1,147 @@
+defmodule BeetRoundServer.Biddings do
+  @moduledoc """
+  The Biddings context.
+  """
+
+  import Ecto.Query, warn: false
+  alias BeetRoundServer.Repo
+
+  alias BeetRoundServer.Biddings.Bidding
+  alias BeetRoundServer.Accounts.Scope
+
+  @doc """
+  Subscribes to scoped notifications about any bidding changes.
+
+  The broadcasted messages match the pattern:
+
+    * {:created, %Bidding{}}
+    * {:updated, %Bidding{}}
+    * {:deleted, %Bidding{}}
+
+  """
+  def subscribe_biddings(%Scope{} = scope) do
+    key = scope.user.id
+
+    Phoenix.PubSub.subscribe(BeetRoundServer.PubSub, "user:#{key}:biddings")
+  end
+
+  defp broadcast_bidding(%Scope{} = scope, message) do
+    key = scope.user.id
+
+    Phoenix.PubSub.broadcast(BeetRoundServer.PubSub, "user:#{key}:biddings", message)
+  end
+
+  @doc """
+  Returns the list of biddings.
+
+  ## Examples
+
+      iex> list_biddings(scope)
+      [%Bidding{}, ...]
+
+  """
+  def list_biddings(%Scope{} = scope) do
+    Repo.all_by(Bidding, user_id: scope.user.id)
+  end
+
+  @doc """
+  Gets a single bidding.
+
+  Raises `Ecto.NoResultsError` if the Bidding does not exist.
+
+  ## Examples
+
+      iex> get_bidding!(scope, 123)
+      %Bidding{}
+
+      iex> get_bidding!(scope, 456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_bidding!(%Scope{} = scope, id) do
+    Repo.get_by!(Bidding, id: id, user_id: scope.user.id)
+  end
+
+  @doc """
+  Creates a bidding.
+
+  ## Examples
+
+      iex> create_bidding(scope, %{field: value})
+      {:ok, %Bidding{}}
+
+      iex> create_bidding(scope, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_bidding(%Scope{} = scope, attrs) do
+    with {:ok, bidding = %Bidding{}} <-
+           %Bidding{}
+           |> Bidding.changeset(attrs, scope)
+           |> Repo.insert() do
+      broadcast_bidding(scope, {:created, bidding})
+      {:ok, bidding}
+    end
+  end
+
+  @doc """
+  Updates a bidding.
+
+  ## Examples
+
+      iex> update_bidding(scope, bidding, %{field: new_value})
+      {:ok, %Bidding{}}
+
+      iex> update_bidding(scope, bidding, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_bidding(%Scope{} = scope, %Bidding{} = bidding, attrs) do
+    true = bidding.user_id == scope.user.id
+
+    with {:ok, bidding = %Bidding{}} <-
+           bidding
+           |> Bidding.changeset(attrs, scope)
+           |> Repo.update() do
+      broadcast_bidding(scope, {:updated, bidding})
+      {:ok, bidding}
+    end
+  end
+
+  @doc """
+  Deletes a bidding.
+
+  ## Examples
+
+      iex> delete_bidding(scope, bidding)
+      {:ok, %Bidding{}}
+
+      iex> delete_bidding(scope, bidding)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_bidding(%Scope{} = scope, %Bidding{} = bidding) do
+    true = bidding.user_id == scope.user.id
+
+    with {:ok, bidding = %Bidding{}} <-
+           Repo.delete(bidding) do
+      broadcast_bidding(scope, {:deleted, bidding})
+      {:ok, bidding}
+    end
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking bidding changes.
+
+  ## Examples
+
+      iex> change_bidding(scope, bidding)
+      %Ecto.Changeset{data: %Bidding{}}
+
+  """
+  def change_bidding(%Scope{} = scope, %Bidding{} = bidding, attrs \\ %{}) do
+    true = bidding.user_id == scope.user.id
+
+    Bidding.changeset(bidding, attrs, scope)
+  end
+end

lib/beet_round_server/biddings/bidding.ex

@@ -0,0 +1,24 @@
+defmodule BeetRoundServer.Biddings.Bidding do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+  @foreign_key_type :binary_id
+  schema "biddings" do
+    field :bidding_round, :integer
+    field :amount, :integer
+    field :depot_wish_one, :string
+    field :depot_wish_two, :string
+    field :user_id, :binary_id
+
+    timestamps(type: :utc_datetime)
+  end
+
+  @doc false
+  def changeset(bidding, attrs, user_scope) do
+    bidding
+    |> cast(attrs, [:bidding_round, :amount, :depot_wish_one, :depot_wish_two])
+    |> validate_required([:bidding_round, :amount, :depot_wish_one, :depot_wish_two])
+    |> put_change(:user_id, user_scope.user.id)
+  end
+end