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108 lines
1.8 KiB
Elixir
108 lines
1.8 KiB
Elixir
defmodule Philomena.Forums do
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@moduledoc """
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The Forums context.
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"""
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import Ecto.Query, warn: false
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alias Philomena.Repo
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alias Philomena.Forums.Forum
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use Philomena.Subscriptions,
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actor_types: ~w(Forum),
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id_name: :forum_id
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@doc """
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Returns the list of forums.
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## Examples
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iex> list_forums()
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[%Forum{}, ...]
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"""
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def list_forums do
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Repo.all(Forum)
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end
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@doc """
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Gets a single forum.
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Raises `Ecto.NoResultsError` if the Forum does not exist.
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## Examples
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iex> get_forum!(123)
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%Forum{}
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iex> get_forum!(456)
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** (Ecto.NoResultsError)
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"""
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def get_forum!(id), do: Repo.get!(Forum, id)
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@doc """
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Creates a forum.
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## Examples
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iex> create_forum(%{field: value})
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{:ok, %Forum{}}
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iex> create_forum(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_forum(attrs \\ %{}) do
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%Forum{}
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|> Forum.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a forum.
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## Examples
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iex> update_forum(forum, %{field: new_value})
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{:ok, %Forum{}}
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iex> update_forum(forum, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_forum(%Forum{} = forum, attrs) do
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forum
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|> Forum.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a Forum.
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## Examples
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iex> delete_forum(forum)
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{:ok, %Forum{}}
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iex> delete_forum(forum)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_forum(%Forum{} = forum) do
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Repo.delete(forum)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking forum changes.
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## Examples
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iex> change_forum(forum)
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%Ecto.Changeset{source: %Forum{}}
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"""
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def change_forum(%Forum{} = forum) do
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Forum.changeset(forum, %{})
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end
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end
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