Claudio Ortolina
115 lines
1.9 KiB
Elixir
115 lines
1.9 KiB
Elixir
defmodule MusicLibrary.Records do
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@moduledoc """
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The Records context.
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"""
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import Ecto.Query, warn: false
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alias MusicLibrary.Repo
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alias MusicLibrary.Records.Record
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@doc """
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Returns the list of records.
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## Examples
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iex> list_records()
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[%Record{}, ...]
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"""
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def list_records do
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q =
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from r in Record,
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order_by: r.artists[0]["sort_name"],
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limit: 50
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Repo.all(q)
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end
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@doc """
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Gets a single record.
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Raises `Ecto.NoResultsError` if the Record does not exist.
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## Examples
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iex> get_record!(123)
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%Record{}
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iex> get_record!(456)
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** (Ecto.NoResultsError)
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"""
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def get_record!(id), do: Repo.get!(Record, id)
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def get_image!(id) do
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record = get_record!(id)
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{:ok, record.image_data}
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end
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@doc """
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Creates a record.
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## Examples
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iex> create_record(%{field: value})
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{:ok, %Record{}}
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iex> create_record(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_record(attrs \\ %{}) do
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%Record{}
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|> Record.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a record.
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## Examples
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iex> update_record(record, %{field: new_value})
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{:ok, %Record{}}
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iex> update_record(record, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_record(%Record{} = record, attrs) do
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record
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|> Record.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a record.
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## Examples
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iex> delete_record(record)
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{:ok, %Record{}}
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iex> delete_record(record)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_record(%Record{} = record) do
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Repo.delete(record)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking record changes.
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## Examples
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iex> change_record(record)
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%Ecto.Changeset{data: %Record{}}
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"""
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def change_record(%Record{} = record, attrs \\ %{}) do
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Record.changeset(record, attrs)
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end
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end
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