107 lines
1.8 KiB
Elixir
107 lines
1.8 KiB
Elixir
defmodule Entendu.Links do
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@moduledoc """
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The Links context.
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"""
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import Ecto.Query, warn: false
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alias Entendu.Repo
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alias Entendu.Links.Link
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@doc """
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Returns the list of links.
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## Examples
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iex> list_links()
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[%Link{}, ...]
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"""
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def list_links do
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Repo.all(Link)
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end
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@doc """
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Gets a single link.
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Raises `Ecto.NoResultsError` if the Link does not exist.
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## Examples
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iex> get_link!(123)
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%Link{}
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iex> get_link!(456)
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** (Ecto.NoResultsError)
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"""
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def get_link!(id), do: Repo.get!(Link, id)
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def get_link(id), do: Repo.get(Link, id)
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@doc """
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Creates a link.
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## Examples
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iex> create_link(%{field: value})
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{:ok, %Link{}}
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iex> create_link(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_link(attrs \\ %{}) do
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Ecto.Multi.new()
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|> Ecto.Multi.insert(:link, Link.changeset(%Link{}, attrs))
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|> Ecto.Multi.update(:link_with_file, &Link.file_changeset(&1.link, attrs))
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|> Repo.transaction()
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end
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@doc """
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Updates a link.
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## Examples
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iex> update_link(link, %{field: new_value})
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{:ok, %Link{}}
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iex> update_link(link, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_link(%Link{} = link, attrs) do
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link
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|> Link.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a link.
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## Examples
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iex> delete_link(link)
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{:ok, %Link{}}
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iex> delete_link(link)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_link(%Link{} = link) do
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Repo.delete(link)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking link changes.
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## Examples
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iex> change_link(link)
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%Ecto.Changeset{data: %Link{}}
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"""
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def change_link(%Link{} = link, attrs \\ %{}) do
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Link.changeset(link, attrs)
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end
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end
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