112 lines
2.1 KiB
Elixir
112 lines
2.1 KiB
Elixir
defmodule Cannery.Tags do
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@moduledoc """
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The Tags context.
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"""
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import Ecto.Query, warn: false
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alias Cannery.{Accounts, Repo}
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alias Cannery.Tags.Tag
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@doc """
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Returns the list of tags.
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## Examples
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iex> list_tags()
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[%Tag{}, ...]
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"""
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@spec list_tags(Accounts.User.t()) :: [Tag.t()]
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def list_tags(%{id: user_id}) do
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list_tags(user_id)
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end
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def list_tags(user_id) do
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Repo.all(from t in Tag, where: t.user_id == ^user_id)
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end
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@doc """
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Gets a single tag.
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Raises `Ecto.NoResultsError` if the Tag does not exist.
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## Examples
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iex> get_tag!(123)
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%Tag{}
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iex> get_tag!(456)
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** (Ecto.NoResultsError)
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"""
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@spec get_tag!(Ecto.UUID.t()) :: Tag.t()
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def get_tag!(id), do: Repo.get!(Tag, id)
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@doc """
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Creates a tag.
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## Examples
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iex> create_tag(%{field: value})
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{:ok, %Tag{}}
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iex> create_tag(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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@spec create_tag(map()) :: {:ok, Tag.t()} | {:error, Ecto.Changeset.t()}
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def create_tag(attrs) do
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%Tag{} |> Tag.changeset(attrs) |> Repo.insert()
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end
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@doc """
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Updates a tag.
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## Examples
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iex> update_tag(tag, %{field: new_value})
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{:ok, %Tag{}}
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iex> update_tag(tag, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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@spec update_tag(Tag.t(), map()) :: {:ok, Tag.t()} | {:error, Ecto.Changeset.t()}
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def update_tag(tag, attrs) do
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tag |> Tag.changeset(attrs) |> Repo.update()
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end
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@doc """
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Deletes a tag.
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## Examples
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iex> delete_tag(tag)
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{:ok, %Tag{}}
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iex> delete_tag(tag)
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{:error, %Ecto.Changeset{}}
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"""
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@spec delete_tag(Tag.t()) :: {:ok, Tag.t()} | {:error, Ecto.Changeset.t()}
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def delete_tag(tag) do
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Repo.delete(tag)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking tag changes.
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## Examples
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iex> change_tag(tag)
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%Ecto.Changeset{data: %Tag{}}
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"""
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@spec change_tag(Tag.t()) :: Ecto.Changeset.t()
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@spec change_tag(Tag.t(), map()) :: Ecto.Changeset.t()
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def change_tag(tag, attrs \\ %{}) do
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Tag.changeset(tag, attrs)
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end
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end
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