696 lines
19 KiB
Elixir
696 lines
19 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 CanneryWeb.Gettext
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import Ecto.Query, warn: false
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alias Cannery.{Accounts.User, Containers, Containers.Container, Repo}
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alias Cannery.ActivityLog.ShotGroup
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alias Cannery.Ammo.{AmmoGroup, AmmoType}
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alias Ecto.Changeset
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@ammo_group_create_limit 10_000
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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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iex> list_ammo_types("cool", %User{id: 123})
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[%AmmoType{name: "My cool ammo type"}, ...]
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"""
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@spec list_ammo_types(User.t()) :: [AmmoType.t()]
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@spec list_ammo_types(search :: nil | String.t(), User.t()) :: [AmmoType.t()]
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def list_ammo_types(search \\ nil, user)
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def list_ammo_types(search, %{id: user_id}) when search |> is_nil() or search == "",
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do: Repo.all(from at in AmmoType, where: at.user_id == ^user_id, order_by: at.name)
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def list_ammo_types(search, %{id: user_id}) when search |> is_binary() do
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trimmed_search = String.trim(search)
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Repo.all(
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from at in AmmoType,
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where: at.user_id == ^user_id,
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where:
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fragment(
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"search @@ websearch_to_tsquery('english', ?)",
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^trimmed_search
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),
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order_by: {
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:desc,
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fragment(
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"ts_rank_cd(search, websearch_to_tsquery('english', ?), 4)",
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^trimmed_search
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)
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}
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)
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end
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@doc """
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Returns a count of ammo_types.
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## Examples
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iex> get_ammo_types_count!(%User{id: 123})
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3
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"""
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@spec get_ammo_types_count!(User.t()) :: integer()
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def get_ammo_types_count!(%User{id: user_id}) do
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Repo.one(
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from at in AmmoType,
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where: at.user_id == ^user_id,
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select: count(at.id),
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distinct: true
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)
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end
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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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## Examples
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iex> get_average_cost_for_ammo_type!(%AmmoType{id: 123}, %User{id: 123})
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1.50
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"""
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@spec get_average_cost_for_ammo_type!(AmmoType.t(), User.t()) :: float() | nil
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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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sg_total_query =
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from sg in ShotGroup,
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where: not (sg.count |> is_nil()),
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group_by: sg.ammo_group_id,
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select: %{ammo_group_id: sg.ammo_group_id, total: sum(sg.count)}
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Repo.one!(
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from ag in AmmoGroup,
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as: :ammo_group,
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left_join: sg_query in subquery(sg_total_query),
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on: ag.id == sg_query.ammo_group_id,
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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 + coalesce(sg_query.total, 0))
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)
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end
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@doc """
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Gets the total number of rounds for an 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_round_count_for_ammo_type(123, %User{id: 123})
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35
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iex> get_round_count_for_ammo_type(456, %User{id: 123})
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** (Ecto.NoResultsError)
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"""
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@spec get_round_count_for_ammo_type(AmmoType.t(), User.t()) :: non_neg_integer()
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def get_round_count_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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select: sum(ag.count)
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) || 0
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end
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@doc """
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Gets the total number of rounds shot for an 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_used_count_for_ammo_type(123, %User{id: 123})
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35
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iex> get_used_count_for_ammo_type(456, %User{id: 123})
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** (Ecto.NoResultsError)
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"""
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@spec get_used_count_for_ammo_type(AmmoType.t(), User.t()) :: non_neg_integer()
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def get_used_count_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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left_join: sg in assoc(ag, :shot_groups),
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where: ag.ammo_type_id == ^ammo_type_id,
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select: sum(sg.count)
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) || 0
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end
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@doc """
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Gets the total number of ammo ever bought for an 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_historical_count_for_ammo_type(123, %User{id: 123})
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%AmmoType{}
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iex> get_historical_count_for_ammo_type(456, %User{id: 123})
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** (Ecto.NoResultsError)
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"""
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@spec get_historical_count_for_ammo_type(AmmoType.t(), User.t()) :: non_neg_integer()
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def get_historical_count_for_ammo_type(
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%AmmoType{user_id: user_id} = ammo_type,
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%User{id: user_id} = user
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) do
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get_round_count_for_ammo_type(ammo_type, user) +
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get_used_count_for_ammo_type(ammo_type, user)
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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, AmmoType.changeset()}
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def create_ammo_type(attrs \\ %{}, %User{} = user),
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do: %AmmoType{} |> AmmoType.create_changeset(user, attrs) |> Repo.insert()
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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, AmmoType.changeset()}
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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, AmmoType.changeset()}
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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 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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@spec list_ammo_groups_for_type(AmmoType.t(), User.t(), include_empty :: boolean()) ::
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[AmmoGroup.t()]
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def list_ammo_groups_for_type(ammo_type, user, include_empty \\ false)
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def list_ammo_groups_for_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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true = _include_empty
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) do
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Repo.all(
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from ag in AmmoGroup,
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left_join: sg in assoc(ag, :shot_groups),
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where: ag.ammo_type_id == ^ammo_type_id,
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where: ag.user_id == ^user_id,
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preload: [shot_groups: sg],
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order_by: ag.id
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)
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end
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def list_ammo_groups_for_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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false = _include_empty
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) do
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Repo.all(
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from ag in AmmoGroup,
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left_join: sg in assoc(ag, :shot_groups),
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where: ag.ammo_type_id == ^ammo_type_id,
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where: ag.user_id == ^user_id,
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where: not (ag.count == 0),
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preload: [shot_groups: sg],
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order_by: ag.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 and container.
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## Examples
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iex> list_ammo_groups_for_container(%AmmoType{id: 123}, %User{id: 123})
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[%AmmoGroup{}, ...]
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"""
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@spec list_ammo_groups_for_container(Container.t(), User.t()) :: [AmmoGroup.t()]
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@spec list_ammo_groups_for_container(Container.t(), User.t(), include_empty :: boolean()) ::
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[AmmoGroup.t()]
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def list_ammo_groups_for_container(container, user, include_empty \\ false)
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def list_ammo_groups_for_container(
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%Container{id: container_id, user_id: user_id},
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%User{id: user_id},
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true = _include_empty
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) do
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Repo.all(
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from ag in AmmoGroup,
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left_join: sg in assoc(ag, :shot_groups),
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where: ag.container_id == ^container_id,
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where: ag.user_id == ^user_id,
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preload: [shot_groups: sg],
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order_by: ag.id
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)
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end
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def list_ammo_groups_for_container(
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%Container{id: container_id, user_id: user_id},
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%User{id: user_id},
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false = _include_empty
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) do
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Repo.all(
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from ag in AmmoGroup,
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left_join: sg in assoc(ag, :shot_groups),
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where: ag.container_id == ^container_id,
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where: ag.user_id == ^user_id,
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where: not (ag.count == 0),
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preload: [shot_groups: sg],
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order_by: ag.id
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)
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end
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@doc """
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Returns the count of ammo_groups for an ammo type.
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## Examples
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iex> get_ammo_groups_count_for_type(%AmmoType{id: 123}, %User{id: 123})
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3
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iex> get_ammo_groups_count_for_type(%AmmoType{id: 123}, %User{id: 123}, true)
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5
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"""
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@spec get_ammo_groups_count_for_type(AmmoType.t(), User.t()) :: [AmmoGroup.t()]
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@spec get_ammo_groups_count_for_type(AmmoType.t(), User.t(), include_empty :: boolean()) ::
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[AmmoGroup.t()]
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def get_ammo_groups_count_for_type(ammo_type, user, include_empty \\ false)
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def get_ammo_groups_count_for_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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true = _include_empty
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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.user_id == ^user_id,
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where: ag.ammo_type_id == ^ammo_type_id,
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distinct: true,
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select: count(ag.id)
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) || 0
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end
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def get_ammo_groups_count_for_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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false = _include_empty
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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.user_id == ^user_id,
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where: ag.ammo_type_id == ^ammo_type_id,
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where: not (ag.count == 0),
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distinct: true,
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select: count(ag.id)
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) || 0
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end
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@doc """
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Returns the count of used ammo_groups for an ammo type.
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## Examples
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iex> get_used_ammo_groups_count_for_type(%AmmoType{id: 123}, %User{id: 123})
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3
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"""
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@spec get_used_ammo_groups_count_for_type(AmmoType.t(), User.t()) :: [AmmoGroup.t()]
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def get_used_ammo_groups_count_for_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.user_id == ^user_id,
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where: ag.ammo_type_id == ^ammo_type_id,
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where: ag.count == 0,
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distinct: true,
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select: count(ag.id)
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) || 0
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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, include_empty \\ false)
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def list_ammo_groups(%User{id: user_id}, true = _include_empty) do
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Repo.all(
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from ag in AmmoGroup,
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left_join: sg in assoc(ag, :shot_groups),
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where: ag.user_id == ^user_id,
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preload: [shot_groups: sg],
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order_by: ag.id
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)
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end
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def list_ammo_groups(%User{id: user_id}, false = _include_empty) do
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Repo.all(
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from ag in AmmoGroup,
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left_join: sg in assoc(ag, :shot_groups),
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where: ag.user_id == ^user_id,
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where: not (ag.count == 0),
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preload: [shot_groups: sg],
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order_by: ag.id
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)
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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(
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from ag in AmmoGroup,
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left_join: sg in assoc(ag, :shot_groups),
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where: ag.user_id == ^user_id,
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where: ag.staged == true,
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preload: [shot_groups: sg],
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order_by: ag.id
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)
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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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|
|
"""
|
|
@spec get_ammo_group!(AmmoGroup.id(), User.t()) :: AmmoGroup.t()
|
|
def get_ammo_group!(id, %User{id: user_id}) do
|
|
Repo.one!(
|
|
from ag in AmmoGroup,
|
|
left_join: sg in assoc(ag, :shot_groups),
|
|
where: ag.id == ^id,
|
|
where: ag.user_id == ^user_id,
|
|
preload: [shot_groups: sg]
|
|
)
|
|
end
|
|
|
|
@doc """
|
|
Returns the number of shot rounds for an ammo group
|
|
"""
|
|
@spec get_used_count(AmmoGroup.t()) :: non_neg_integer()
|
|
def get_used_count(%AmmoGroup{} = ammo_group) do
|
|
ammo_group
|
|
|> Repo.preload(:shot_groups)
|
|
|> Map.fetch!(:shot_groups)
|
|
|> Enum.map(fn %{count: count} -> count end)
|
|
|> Enum.sum()
|
|
end
|
|
|
|
@doc """
|
|
Returns the last entered shot group for an ammo group
|
|
"""
|
|
@spec get_last_used_shot_group(AmmoGroup.t()) :: ShotGroup.t() | nil
|
|
def get_last_used_shot_group(%AmmoGroup{} = ammo_group) do
|
|
ammo_group
|
|
|> Repo.preload(:shot_groups)
|
|
|> Map.fetch!(:shot_groups)
|
|
|> Enum.max_by(fn %{date: date} -> date end, Date, fn -> nil end)
|
|
end
|
|
|
|
@doc """
|
|
Calculates the percentage remaining of an ammo group out of 100
|
|
"""
|
|
@spec get_percentage_remaining(AmmoGroup.t()) :: non_neg_integer()
|
|
def get_percentage_remaining(%AmmoGroup{count: 0}), do: 0
|
|
|
|
def get_percentage_remaining(%AmmoGroup{count: count} = ammo_group) do
|
|
ammo_group = ammo_group |> Repo.preload(:shot_groups)
|
|
|
|
shot_group_sum =
|
|
ammo_group.shot_groups
|
|
|> Enum.map(fn %{count: count} -> count end)
|
|
|> Enum.sum()
|
|
|
|
round(count / (count + shot_group_sum) * 100)
|
|
end
|
|
|
|
@doc """
|
|
Gets the original count for an ammo group
|
|
"""
|
|
@spec get_original_count(AmmoGroup.t()) :: non_neg_integer()
|
|
def get_original_count(%AmmoGroup{count: count} = ammo_group) do
|
|
count + get_used_count(ammo_group)
|
|
end
|
|
|
|
@doc """
|
|
Calculates the CPR for a single ammo group
|
|
"""
|
|
@spec get_cpr(AmmoGroup.t()) :: nil | float()
|
|
def get_cpr(%AmmoGroup{price_paid: nil}), do: nil
|
|
|
|
def get_cpr(%AmmoGroup{price_paid: price_paid} = ammo_group),
|
|
do: calculate_cpr(price_paid, get_original_count(ammo_group))
|
|
|
|
@spec calculate_cpr(price_paid :: float() | nil, count :: integer()) :: float() | nil
|
|
defp calculate_cpr(nil, _count), do: nil
|
|
defp calculate_cpr(_price_paid, 0), do: nil
|
|
defp calculate_cpr(price_paid, total_count), do: price_paid / total_count
|
|
|
|
@doc """
|
|
Creates multiple ammo_groups at once.
|
|
|
|
## Examples
|
|
|
|
iex> create_ammo_groups(%{field: value}, 3, %User{id: 123})
|
|
{:ok, {3, [%AmmoGroup{}]}}
|
|
|
|
iex> create_ammo_groups(%{field: bad_value}, 3, %User{id: 123})
|
|
{:error, %Changeset{}}
|
|
|
|
"""
|
|
@spec create_ammo_groups(attrs :: map(), multiplier :: non_neg_integer(), User.t()) ::
|
|
{:ok, {count :: non_neg_integer(), [AmmoGroup.t()] | nil}}
|
|
| {:error, AmmoGroup.changeset()}
|
|
def create_ammo_groups(
|
|
%{"ammo_type_id" => ammo_type_id, "container_id" => container_id} = attrs,
|
|
multiplier,
|
|
%User{} = user
|
|
)
|
|
when multiplier >= 1 and multiplier <= @ammo_group_create_limit and
|
|
not (ammo_type_id |> is_nil()) and not (container_id |> is_nil()) do
|
|
now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
|
|
|
|
changesets =
|
|
Enum.map(1..multiplier, fn _count ->
|
|
%AmmoGroup{}
|
|
|> AmmoGroup.create_changeset(
|
|
get_ammo_type!(ammo_type_id, user),
|
|
Containers.get_container!(container_id, user),
|
|
user,
|
|
attrs
|
|
)
|
|
end)
|
|
|
|
if changesets |> Enum.all?(fn %{valid?: valid} -> valid end) do
|
|
{count, inserted_ammo_groups} =
|
|
Repo.insert_all(
|
|
AmmoGroup,
|
|
changesets
|
|
|> Enum.map(fn changeset ->
|
|
changeset
|
|
|> Map.get(:changes)
|
|
|> Map.merge(%{inserted_at: now, updated_at: now})
|
|
end),
|
|
returning: true
|
|
)
|
|
|
|
{:ok, {count, inserted_ammo_groups}}
|
|
else
|
|
changesets
|
|
|> Enum.reject(fn %{valid?: valid} -> valid end)
|
|
|> List.first()
|
|
|> Changeset.apply_action(:insert)
|
|
end
|
|
end
|
|
|
|
def create_ammo_groups(
|
|
%{"ammo_type_id" => ammo_type_id, "container_id" => container_id} = attrs,
|
|
_multiplier,
|
|
user
|
|
)
|
|
when not (ammo_type_id |> is_nil()) and not (container_id |> is_nil()) do
|
|
changeset =
|
|
%AmmoGroup{}
|
|
|> AmmoGroup.create_changeset(
|
|
get_ammo_type!(ammo_type_id, user),
|
|
Containers.get_container!(container_id, user),
|
|
user,
|
|
attrs
|
|
)
|
|
|> Changeset.add_error(:multiplier, dgettext("errors", "Invalid multiplier"))
|
|
|
|
{:error, changeset}
|
|
end
|
|
|
|
def create_ammo_groups(invalid_attrs, _multiplier, user) do
|
|
{:error, %AmmoGroup{} |> AmmoGroup.create_changeset(nil, nil, user, invalid_attrs)}
|
|
end
|
|
|
|
@doc """
|
|
Updates a ammo_group.
|
|
|
|
## Examples
|
|
|
|
iex> update_ammo_group(ammo_group, %{field: new_value}, %User{id: 123})
|
|
{:ok, %AmmoGroup{}}
|
|
|
|
iex> update_ammo_group(ammo_group, %{field: bad_value}, %User{id: 123})
|
|
{:error, %Changeset{}}
|
|
|
|
"""
|
|
@spec update_ammo_group(AmmoGroup.t(), attrs :: map(), User.t()) ::
|
|
{:ok, AmmoGroup.t()} | {:error, AmmoGroup.changeset()}
|
|
def update_ammo_group(
|
|
%AmmoGroup{user_id: user_id} = ammo_group,
|
|
attrs,
|
|
%User{id: user_id} = user
|
|
),
|
|
do: ammo_group |> AmmoGroup.update_changeset(attrs, user) |> Repo.update()
|
|
|
|
@doc """
|
|
Deletes a ammo_group.
|
|
|
|
## Examples
|
|
|
|
iex> delete_ammo_group(ammo_group, %User{id: 123})
|
|
{:ok, %AmmoGroup{}}
|
|
|
|
iex> delete_ammo_group(ammo_group, %User{id: 123})
|
|
{:error, %Changeset{}}
|
|
|
|
"""
|
|
@spec delete_ammo_group(AmmoGroup.t(), User.t()) ::
|
|
{:ok, AmmoGroup.t()} | {:error, AmmoGroup.changeset()}
|
|
def delete_ammo_group(%AmmoGroup{user_id: user_id} = ammo_group, %User{id: user_id}),
|
|
do: ammo_group |> Repo.delete()
|
|
|
|
@doc """
|
|
Deletes a ammo_group.
|
|
|
|
## Examples
|
|
|
|
iex> delete_ammo_group!(ammo_group, %User{id: 123})
|
|
%AmmoGroup{}
|
|
|
|
"""
|
|
@spec delete_ammo_group!(AmmoGroup.t(), User.t()) :: AmmoGroup.t()
|
|
def delete_ammo_group!(%AmmoGroup{user_id: user_id} = ammo_group, %User{id: user_id}),
|
|
do: ammo_group |> Repo.delete!()
|
|
end
|