forked from AkkomaGang/akkoma
58 lines
1.4 KiB
Elixir
58 lines
1.4 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Hashtag do
|
|
use Ecto.Schema
|
|
|
|
import Ecto.Changeset
|
|
|
|
alias Pleroma.Hashtag
|
|
alias Pleroma.Repo
|
|
|
|
@derive {Jason.Encoder, only: [:data]}
|
|
|
|
schema "hashtags" do
|
|
field(:name, :string)
|
|
field(:data, :map, default: %{})
|
|
|
|
many_to_many(:objects, Pleroma.Object, join_through: "hashtags_objects", on_replace: :delete)
|
|
|
|
timestamps()
|
|
end
|
|
|
|
def get_by_name(name) do
|
|
Repo.get_by(Hashtag, name: name)
|
|
end
|
|
|
|
def get_or_create_by_name(name) when is_bitstring(name) do
|
|
with %Hashtag{} = hashtag <- get_by_name(name) do
|
|
{:ok, hashtag}
|
|
else
|
|
_ ->
|
|
%Hashtag{}
|
|
|> changeset(%{name: name})
|
|
|> Repo.insert()
|
|
end
|
|
end
|
|
|
|
def get_or_create_by_names(names) when is_list(names) do
|
|
Enum.reduce_while(names, {:ok, []}, fn name, {:ok, list} ->
|
|
case get_or_create_by_name(name) do
|
|
{:ok, %Hashtag{} = hashtag} ->
|
|
{:cont, {:ok, list ++ [hashtag]}}
|
|
|
|
error ->
|
|
{:halt, error}
|
|
end
|
|
end)
|
|
end
|
|
|
|
def changeset(%Hashtag{} = struct, params) do
|
|
struct
|
|
|> cast(params, [:name, :data])
|
|
|> update_change(:name, &String.downcase/1)
|
|
|> validate_required([:name])
|
|
|> unique_constraint(:name)
|
|
end
|
|
end
|