303 lines
8.3 KiB
Elixir
303 lines
8.3 KiB
Elixir
defmodule Cannery.Ammo do
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@moduledoc """
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The Ammo context.
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"""
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import Ecto.Query, warn: false
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alias Cannery.{Accounts.User, Repo}
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alias Cannery.Ammo.{AmmoGroup, AmmoType}
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alias Ecto.Changeset
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@doc """
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Returns the list of ammo_types.
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## Examples
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iex> list_ammo_types(%User{id: 123})
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[%AmmoType{}, ...]
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"""
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@spec list_ammo_types(User.t()) :: [AmmoType.t()]
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def list_ammo_types(%User{id: user_id}),
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do: Repo.all(from at in AmmoType, where: at.user_id == ^user_id)
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@doc """
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Gets a single ammo_type.
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Raises `Ecto.NoResultsError` if the Ammo type does not exist.
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## Examples
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iex> get_ammo_type!(123, %User{id: 123})
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%AmmoType{}
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iex> get_ammo_type!(456, %User{id: 123})
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** (Ecto.NoResultsError)
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"""
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@spec get_ammo_type!(AmmoType.id(), User.t()) :: AmmoType.t()
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def get_ammo_type!(id, %User{id: user_id}),
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do: Repo.one!(from at in AmmoType, where: at.id == ^id and at.user_id == ^user_id)
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@doc """
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Gets the average cost of a single ammo type
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Raises `Ecto.NoResultsError` if the Ammo type does not exist.
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## Examples
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iex> get_ammo_type!(123, %User{id: 123})
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%AmmoType{}
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iex> get_ammo_type!(456, %User{id: 123})
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** (Ecto.NoResultsError)
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"""
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@spec get_average_cost_for_ammo_type!(AmmoType.t(), User.t()) :: float()
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def get_average_cost_for_ammo_type!(
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%AmmoType{id: ammo_type_id, user_id: user_id},
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%User{id: user_id}
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) do
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Repo.one!(
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from ag in AmmoGroup,
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where: ag.ammo_type_id == ^ammo_type_id,
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where: not (ag.price_paid |> is_nil()),
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select: sum(ag.price_paid) / sum(ag.count)
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)
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end
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@doc """
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Creates a ammo_type.
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## Examples
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iex> create_ammo_type(%{field: value}, %User{id: 123})
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{:ok, %AmmoType{}}
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iex> create_ammo_type(%{field: bad_value}, %User{id: 123})
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{:error, %Changeset{}}
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"""
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@spec create_ammo_type(attrs :: map(), User.t()) ::
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{:ok, AmmoType.t()} | {:error, Changeset.t(AmmoType.new_ammo_type())}
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def create_ammo_type(attrs \\ %{}, %User{id: user_id}) do
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%AmmoType{}
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|> AmmoType.create_changeset(attrs |> Map.put("user_id", user_id))
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|> Repo.insert()
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end
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@doc """
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Updates a ammo_type.
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## Examples
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iex> update_ammo_type(ammo_type, %{field: new_value}, %User{id: 123})
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{:ok, %AmmoType{}}
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iex> update_ammo_type(ammo_type, %{field: bad_value}, %User{id: 123})
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{:error, %Changeset{}}
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"""
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@spec update_ammo_type(AmmoType.t(), attrs :: map(), User.t()) ::
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{:ok, AmmoType.t()} | {:error, Changeset.t(AmmoType.t())}
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def update_ammo_type(%AmmoType{user_id: user_id} = ammo_type, attrs, %User{id: user_id}),
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do: ammo_type |> AmmoType.update_changeset(attrs) |> Repo.update()
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@doc """
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Deletes a ammo_type.
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## Examples
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iex> delete_ammo_type(ammo_type, %User{id: 123})
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{:ok, %AmmoType{}}
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iex> delete_ammo_type(ammo_type, %User{id: 123})
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{:error, %Changeset{}}
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"""
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@spec delete_ammo_type(AmmoType.t(), User.t()) ::
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{:ok, AmmoType.t()} | {:error, Changeset.t(AmmoType.t())}
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def delete_ammo_type(%AmmoType{user_id: user_id} = ammo_type, %User{id: user_id}),
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do: ammo_type |> Repo.delete()
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@doc """
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Deletes a ammo_type.
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## Examples
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iex> delete_ammo_type(ammo_type, %User{id: 123})
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%AmmoType{}
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"""
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@spec delete_ammo_type!(AmmoType.t(), User.t()) :: AmmoType.t()
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def delete_ammo_type!(%AmmoType{user_id: user_id} = ammo_type, %User{id: user_id}),
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do: ammo_type |> Repo.delete!()
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@doc """
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Returns an `%Changeset{}` for tracking ammo_type changes.
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## Examples
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iex> change_ammo_type(ammo_type)
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%Changeset{data: %AmmoType{}}
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"""
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@spec change_ammo_type(AmmoType.t() | AmmoType.new_ammo_type()) ::
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Changeset.t(AmmoType.t() | AmmoType.new_ammo_type())
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@spec change_ammo_type(AmmoType.t() | AmmoType.new_ammo_type(), attrs :: map()) ::
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Changeset.t(AmmoType.t() | AmmoType.new_ammo_type())
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def change_ammo_type(%AmmoType{} = ammo_type, attrs \\ %{}),
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do: AmmoType.update_changeset(ammo_type, attrs)
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@doc """
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Returns the list of ammo_groups for a user and type.
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## Examples
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iex> list_ammo_groups_for_type(%AmmoType{id: 123}, %User{id: 123})
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[%AmmoGroup{}, ...]
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"""
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@spec list_ammo_groups_for_type(AmmoType.t(), User.t()) :: [AmmoGroup.t()]
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def list_ammo_groups_for_type(%AmmoType{id: ammo_type_id, user_id: user_id}, %User{id: user_id}) do
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Repo.all(
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from am in AmmoGroup,
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where: am.ammo_type_id == ^ammo_type_id,
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where: am.user_id == ^user_id
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)
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end
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@doc """
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Returns the list of ammo_groups for a user.
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## Examples
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iex> list_ammo_groups(%User{id: 123})
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[%AmmoGroup{}, ...]
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"""
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@spec list_ammo_groups(User.t()) :: [AmmoGroup.t()]
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@spec list_ammo_groups(User.t(), include_empty :: boolean()) :: [AmmoGroup.t()]
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def list_ammo_groups(%User{id: user_id}, include_empty \\ false) do
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if include_empty do
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from am in AmmoGroup, where: am.user_id == ^user_id
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else
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from am in AmmoGroup, where: am.user_id == ^user_id, where: not (am.count == 0)
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end
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|> Repo.all()
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end
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@doc """
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Returns the list of staged ammo_groups for a user.
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## Examples
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iex> list_staged_ammo_groups(%User{id: 123})
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[%AmmoGroup{}, ...]
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"""
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@spec list_staged_ammo_groups(User.t()) :: [AmmoGroup.t()]
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def list_staged_ammo_groups(%User{id: user_id}) do
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Repo.all(from am in AmmoGroup, where: am.user_id == ^user_id, where: am.staged == true)
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end
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@doc """
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Gets a single ammo_group.
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Raises `Ecto.NoResultsError` if the Ammo group does not exist.
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## Examples
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iex> get_ammo_group!(123, %User{id: 123})
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%AmmoGroup{}
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iex> get_ammo_group!(456, %User{id: 123})
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** (Ecto.NoResultsError)
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"""
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@spec get_ammo_group!(AmmoGroup.id(), User.t()) :: AmmoGroup.t()
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def get_ammo_group!(id, %User{id: user_id}),
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do: Repo.one!(from am in AmmoGroup, where: am.id == ^id and am.user_id == ^user_id)
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@doc """
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Creates a ammo_group.
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## Examples
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iex> create_ammo_group(%{field: value}, %User{id: 123})
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{:ok, %AmmoGroup{}}
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iex> create_ammo_group(%{field: bad_value}, %User{id: 123})
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{:error, %Changeset{}}
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"""
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@spec create_ammo_group(attrs :: map(), User.t()) ::
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{:ok, AmmoGroup.t()} | {:error, Changeset.t(AmmoGroup.new_ammo_group())}
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def create_ammo_group(attrs \\ %{}, %User{id: user_id}) do
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%AmmoGroup{}
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|> AmmoGroup.create_changeset(attrs |> Map.put("user_id", user_id))
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|> Repo.insert()
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end
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@doc """
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Updates a ammo_group.
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## Examples
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iex> update_ammo_group(ammo_group, %{field: new_value}, %User{id: 123})
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{:ok, %AmmoGroup{}}
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iex> update_ammo_group(ammo_group, %{field: bad_value}, %User{id: 123})
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{:error, %Changeset{}}
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"""
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@spec update_ammo_group(AmmoGroup.t(), attrs :: map(), User.t()) ::
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{:ok, AmmoGroup.t()} | {:error, Changeset.t(AmmoGroup.t())}
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def update_ammo_group(%AmmoGroup{user_id: user_id} = ammo_group, attrs, %User{id: user_id}),
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do: ammo_group |> AmmoGroup.update_changeset(attrs) |> Repo.update()
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@doc """
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Deletes a ammo_group.
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## Examples
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iex> delete_ammo_group(ammo_group, %User{id: 123})
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{:ok, %AmmoGroup{}}
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iex> delete_ammo_group(ammo_group, %User{id: 123})
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{:error, %Changeset{}}
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"""
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@spec delete_ammo_group(AmmoGroup.t(), User.t()) ::
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{:ok, AmmoGroup.t()} | {:error, Changeset.t(AmmoGroup.t())}
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def delete_ammo_group(%AmmoGroup{user_id: user_id} = ammo_group, %User{id: user_id}),
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do: ammo_group |> Repo.delete()
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@doc """
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Deletes a ammo_group.
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## Examples
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iex> delete_ammo_group!(ammo_group, %User{id: 123})
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%AmmoGroup{}
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"""
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@spec delete_ammo_group!(AmmoGroup.t(), User.t()) :: AmmoGroup.t()
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def delete_ammo_group!(%AmmoGroup{user_id: user_id} = ammo_group, %User{id: user_id}),
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do: ammo_group |> Repo.delete!()
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@doc """
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Returns an `%Changeset{}` for tracking ammo_group changes.
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## Examples
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iex> change_ammo_group(ammo_group)
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%Changeset{data: %AmmoGroup{}}
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"""
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@spec change_ammo_group(AmmoGroup.t()) :: Changeset.t(AmmoGroup.t())
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@spec change_ammo_group(AmmoGroup.t(), attrs :: map()) :: Changeset.t(AmmoGroup.t())
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def change_ammo_group(%AmmoGroup{} = ammo_group, attrs \\ %{}),
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do: AmmoGroup.update_changeset(ammo_group, attrs)
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end
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