104 lines
1.6 KiB
Elixir
104 lines
1.6 KiB
Elixir
defmodule Exmr.Exams do
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@moduledoc """
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The Exams context.
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"""
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import Ecto.Query, warn: false
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alias Exmr.Repo
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alias Exmr.Exams.Exam
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@doc """
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Returns the list of exams.
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## Examples
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iex> list_exams()
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[%Exam{}, ...]
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"""
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def list_exams do
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Repo.all(Exam)
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end
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@doc """
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Gets a single exam.
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Raises `Ecto.NoResultsError` if the Exam does not exist.
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## Examples
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iex> get_exam!(123)
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%Exam{}
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iex> get_exam!(456)
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** (Ecto.NoResultsError)
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"""
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def get_exam!(id), do: Repo.get!(Exam, id)
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@doc """
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Creates a exam.
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## Examples
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iex> create_exam(%{field: value})
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{:ok, %Exam{}}
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iex> create_exam(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_exam(attrs \\ %{}) do
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%Exam{}
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|> Exam.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a exam.
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## Examples
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iex> update_exam(exam, %{field: new_value})
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{:ok, %Exam{}}
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iex> update_exam(exam, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_exam(%Exam{} = exam, attrs) do
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exam
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|> Exam.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a exam.
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## Examples
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iex> delete_exam(exam)
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{:ok, %Exam{}}
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iex> delete_exam(exam)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_exam(%Exam{} = exam) do
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Repo.delete(exam)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking exam changes.
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## Examples
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iex> change_exam(exam)
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%Ecto.Changeset{data: %Exam{}}
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"""
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def change_exam(%Exam{} = exam, attrs \\ %{}) do
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Exam.changeset(exam, attrs)
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end
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end
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