169 lines
4.4 KiB
Elixir
169 lines
4.4 KiB
Elixir
defmodule Cannery.Containers do
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@moduledoc """
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The Containers context.
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"""
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import Ecto.Query, warn: false
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alias Cannery.{Containers.Container, Repo, Tags.Tag}
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alias Cannery.Containers.{Container, ContainerTag}
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alias Ecto.{Changeset}
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@doc """
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Returns the list of containers.
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## Examples
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iex> list_containers()
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[%Container{}, ...]
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"""
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@spec list_containers(user_or_user_id :: User.t() | User.id()) :: [Container.t()]
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def list_containers(%{id: user_id}), do: list_containers(user_id)
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def list_containers(user_id), do: Repo.all(from c in Container, where: c.user_id == ^user_id)
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@doc """
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Gets a single container.
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Raises `Ecto.NoResultsError` if the Container does not exist.
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## Examples
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iex> get_container!(123)
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%Container{}
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iex> get_container!(456)
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** (Ecto.NoResultsError)
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"""
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@spec get_container!(Container.id()) :: Container.t()
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def get_container!(id), do: Repo.get!(Container, id)
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@doc """
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Creates a container.
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## Examples
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iex> create_container(%{field: value})
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{:ok, %Container{}}
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iex> create_container(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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@spec create_container(attrs :: map()) ::
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{:ok, Container.t()} | {:error, Changeset.t(Container.new_container())}
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def create_container(attrs) do
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%Container{} |> Container.changeset(attrs) |> Repo.insert()
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end
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@doc """
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Updates a container.
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## Examples
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iex> update_container(container, %{field: new_value})
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{:ok, %Container{}}
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iex> update_container(container, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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@spec update_container(Container.t(), attrs :: map()) ::
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{:ok, Container.t()} | {:error, Changeset.t(Container.t())}
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def update_container(container, attrs) do
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container |> Container.changeset(attrs) |> Repo.update()
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end
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@doc """
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Deletes a container.
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## Examples
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iex> delete_container(container)
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{:ok, %Container{}}
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iex> delete_container(container)
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{:error, %Ecto.Changeset{}}
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"""
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@spec delete_container(Container.t()) ::
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{:ok, Container.t()} | {:error, Changeset.t(Container.t())}
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def delete_container(container), do: container |> Repo.delete()
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@doc """
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Deletes a container.
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## Examples
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iex> delete_container(container)
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%Container{}
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"""
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@spec delete_container!(Container.t()) :: Container.t()
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def delete_container!(container), do: container |> Repo.delete!()
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking container changes.
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## Examples
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iex> change_container(container)
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%Ecto.Changeset{data: %Container{}}
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iex> change_container(%Ecto.Changeset{})
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%Ecto.Changeset{data: %Container{}}
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"""
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@spec change_container(Container.t() | Container.new_container()) ::
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Changeset.t(Container.t() | Container.new_container())
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@spec change_container(Container.t() | Container.new_container(), attrs :: map()) ::
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Changeset.t(Container.t() | Container.new_container())
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def change_container(container, attrs \\ %{}), do: container |> Container.changeset(attrs)
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@doc """
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Adds a tag to a container
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## Examples
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iex> add_tag!(container, tag)
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%Container{}
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iex> add_tag!(container_id, tag_id)
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%Container{}
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"""
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@spec add_tag!(Container.t(), Tag.t()) :: Container.t()
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def add_tag!(%{id: container_id}, %{id: tag_id}), do: add_tag!(container_id, tag_id)
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@spec add_tag!(Container.id(), Tag.id()) :: Container.t()
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def add_tag!(container_id, tag_id)
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when not (container_id |> is_nil()) and not (tag_id |> is_nil()) do
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%ContainerTag{}
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|> ContainerTag.changeset(%{"container_id" => container_id, "tag_id" => tag_id})
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|> Repo.insert!()
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end
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@doc """
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Removes a tag from a container
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## Examples
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iex> remove_tag!(container, tag)
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%Container{}
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iex> remove_tag!(container_id, tag_id)
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%Container{}
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"""
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@spec remove_tag!(Container.t(), Tag.t()) :: Container.t()
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def remove_tag!(%{id: container_id}, %{id: tag_id}), do: remove_tag!(container_id, tag_id)
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@spec remove_tag!(Container.id(), Tag.id()) :: Container.t()
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def remove_tag!(container_id, tag_id)
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when not (container_id |> is_nil()) and not (tag_id |> is_nil()) do
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Repo.delete_all(
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from ct in ContainerTag,
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where: ct.container_id == ^container_id,
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where: ct.tag_id == ^tag_id
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)
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end
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end
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