ex-scopes-phxdev/lib/scopes/storage.ex

104 lines
1.8 KiB
Elixir

defmodule Scopes.Storage do
@moduledoc """
The Storage context.
"""
import Ecto.Query, warn: false
alias Scopes.Repo
alias Scopes.Storage.Concept
@doc """
Returns the list of concepts.
## Examples
iex> list_concepts()
[%Concept{}, ...]
"""
def list_concepts do
Repo.all(Concept)
end
@doc """
Gets a single concept.
Raises `Ecto.NoResultsError` if the Concept does not exist.
## Examples
iex> get_concept!(123)
%Concept{}
iex> get_concept!(456)
** (Ecto.NoResultsError)
"""
def get_concept!(id), do: Repo.get!(Concept, id)
@doc """
Creates a concept.
## Examples
iex> create_concept(%{field: value})
{:ok, %Concept{}}
iex> create_concept(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_concept(attrs) do
%Concept{}
|> Concept.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a concept.
## Examples
iex> update_concept(concept, %{field: new_value})
{:ok, %Concept{}}
iex> update_concept(concept, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_concept(%Concept{} = concept, attrs) do
concept
|> Concept.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a concept.
## Examples
iex> delete_concept(concept)
{:ok, %Concept{}}
iex> delete_concept(concept)
{:error, %Ecto.Changeset{}}
"""
def delete_concept(%Concept{} = concept) do
Repo.delete(concept)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking concept changes.
## Examples
iex> change_concept(concept)
%Ecto.Changeset{data: %Concept{}}
"""
def change_concept(%Concept{} = concept, attrs \\ %{}) do
Concept.changeset(concept, attrs)
end
end