109 lines
3.3 KiB
Elixir
109 lines
3.3 KiB
Elixir
defmodule Cannery.Ammo.AmmoGroup do
|
|
@moduledoc """
|
|
A group of a certain ammunition type.
|
|
|
|
Can be placed in a container, and contains auxiliary information such as the
|
|
amount paid for that ammunition, or what condition it is in
|
|
"""
|
|
|
|
use Ecto.Schema
|
|
import CanneryWeb.Gettext
|
|
import Ecto.Changeset
|
|
alias Cannery.Ammo.{AmmoGroup, AmmoType}
|
|
alias Cannery.{Accounts.User, ActivityLog.ShotGroup, Containers.Container}
|
|
alias Ecto.{Changeset, UUID}
|
|
|
|
@primary_key {:id, :binary_id, autogenerate: true}
|
|
@foreign_key_type :binary_id
|
|
schema "ammo_groups" do
|
|
field :count, :integer
|
|
field :notes, :string
|
|
field :price_paid, :float
|
|
field :staged, :boolean, default: false
|
|
|
|
belongs_to :ammo_type, AmmoType
|
|
belongs_to :container, Container
|
|
belongs_to :user, User
|
|
|
|
has_many :shot_groups, ShotGroup
|
|
|
|
timestamps()
|
|
end
|
|
|
|
@type t :: %AmmoGroup{
|
|
id: id(),
|
|
count: integer,
|
|
notes: String.t() | nil,
|
|
price_paid: float() | nil,
|
|
staged: boolean(),
|
|
ammo_type: AmmoType.t() | nil,
|
|
ammo_type_id: AmmoType.id(),
|
|
container: Container.t() | nil,
|
|
container_id: Container.id(),
|
|
user: User.t() | nil,
|
|
user_id: User.id(),
|
|
inserted_at: NaiveDateTime.t(),
|
|
updated_at: NaiveDateTime.t()
|
|
}
|
|
@type new_ammo_group :: %AmmoGroup{}
|
|
@type id :: UUID.t()
|
|
|
|
@doc false
|
|
@spec create_changeset(
|
|
new_ammo_group(),
|
|
AmmoType.t() | nil,
|
|
Container.t() | nil,
|
|
User.t(),
|
|
attrs :: map()
|
|
) :: Changeset.t(new_ammo_group())
|
|
def create_changeset(
|
|
ammo_group,
|
|
%AmmoType{id: ammo_type_id},
|
|
%Container{id: container_id, user_id: user_id},
|
|
%User{id: user_id},
|
|
attrs
|
|
)
|
|
when not (ammo_type_id |> is_nil()) and not (container_id |> is_nil()) and
|
|
not (user_id |> is_nil()) do
|
|
ammo_group
|
|
|> change(ammo_type_id: ammo_type_id)
|
|
|> change(user_id: user_id)
|
|
|> change(container_id: container_id)
|
|
|> cast(attrs, [:count, :price_paid, :notes, :staged])
|
|
|> validate_number(:count, greater_than: 0)
|
|
|> validate_required([:count, :staged, :ammo_type_id, :container_id, :user_id])
|
|
end
|
|
|
|
@doc """
|
|
Invalid changeset, used to prompt user to select ammo type and container
|
|
"""
|
|
def create_changeset(ammo_group, _invalid_ammo_type, _invalid_container, _invalid_user, attrs) do
|
|
ammo_group
|
|
|> cast(attrs, [:ammo_type_id, :container_id])
|
|
|> validate_required([:ammo_type_id, :container_id])
|
|
|> add_error(:invalid, dgettext("errors", "Please select an ammo type and container"))
|
|
end
|
|
|
|
@doc false
|
|
@spec update_changeset(t() | new_ammo_group(), attrs :: map()) ::
|
|
Changeset.t(t() | new_ammo_group())
|
|
def update_changeset(ammo_group, attrs) do
|
|
ammo_group
|
|
|> cast(attrs, [:count, :price_paid, :notes, :staged])
|
|
|> validate_number(:count, greater_than_or_equal_to: 0)
|
|
|> validate_required([:count, :staged])
|
|
end
|
|
|
|
@doc """
|
|
This range changeset is used when "using up" ammo groups, and allows for
|
|
updating the count to 0
|
|
"""
|
|
@spec range_changeset(t() | new_ammo_group(), attrs :: map()) ::
|
|
Changeset.t(t() | new_ammo_group())
|
|
def range_changeset(ammo_group, attrs) do
|
|
ammo_group
|
|
|> cast(attrs, [:count, :staged])
|
|
|> validate_required([:count, :staged])
|
|
end
|
|
end
|