mirror of
https://akkoma.dev/AkkomaGang/akkoma.git
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160 lines
3.6 KiB
Elixir
160 lines
3.6 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.List do
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use Ecto.Schema
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import Ecto.Query
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import Ecto.Changeset
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alias Pleroma.Activity
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alias Pleroma.Repo
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alias Pleroma.User
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schema "lists" do
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belongs_to(:user, User, type: Pleroma.FlakeId)
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field(:title, :string)
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field(:following, {:array, :string}, default: [])
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field(:ap_id, :string)
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timestamps()
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end
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def title_changeset(list, attrs \\ %{}) do
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list
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|> cast(attrs, [:title])
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|> validate_required([:title])
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end
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def follow_changeset(list, attrs \\ %{}) do
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list
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|> cast(attrs, [:following])
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|> validate_required([:following])
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end
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def for_user(user, _opts) do
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query =
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from(
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l in Pleroma.List,
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where: l.user_id == ^user.id,
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order_by: [desc: l.id],
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limit: 50
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)
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Repo.all(query)
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end
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def get(id, %{id: user_id} = _user) do
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query =
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from(
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l in Pleroma.List,
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where: l.id == ^id,
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where: l.user_id == ^user_id
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)
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Repo.one(query)
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end
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def get_by_ap_id(ap_id) do
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Repo.get_by(__MODULE__, ap_id: ap_id)
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end
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def get_following(%Pleroma.List{following: following} = _list) do
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q =
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from(
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u in User,
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where: u.follower_address in ^following
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)
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{:ok, Repo.all(q)}
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end
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# Get lists the activity should be streamed to.
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def get_lists_from_activity(%Activity{actor: ap_id}) do
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actor = User.get_cached_by_ap_id(ap_id)
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query =
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from(
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l in Pleroma.List,
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where: fragment("? && ?", l.following, ^[actor.follower_address])
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)
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Repo.all(query)
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end
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# Get lists to which the account belongs.
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def get_lists_account_belongs(%User{} = owner, account_id) do
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user = User.get_cached_by_id(account_id)
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query =
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from(
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l in Pleroma.List,
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where:
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l.user_id == ^owner.id and
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fragment(
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"? = ANY(?)",
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^user.follower_address,
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l.following
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)
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)
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Repo.all(query)
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end
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def rename(%Pleroma.List{} = list, title) do
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list
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|> title_changeset(%{title: title})
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|> Repo.update()
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end
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def create(title, %User{} = creator) do
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changeset = title_changeset(%Pleroma.List{user_id: creator.id}, %{title: title})
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if changeset.valid? do
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Repo.transaction(fn ->
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list = Repo.insert!(changeset)
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list
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|> change(ap_id: "#{creator.ap_id}/lists/#{list.id}")
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|> Repo.update!()
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end)
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else
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{:error, changeset}
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end
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end
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def follow(%Pleroma.List{following: following} = list, %User{} = followed) do
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update_follows(list, %{following: Enum.uniq([followed.follower_address | following])})
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end
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def unfollow(%Pleroma.List{following: following} = list, %User{} = unfollowed) do
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update_follows(list, %{following: List.delete(following, unfollowed.follower_address)})
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end
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def delete(%Pleroma.List{} = list) do
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Repo.delete(list)
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end
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def update_follows(%Pleroma.List{} = list, attrs) do
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list
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|> follow_changeset(attrs)
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|> Repo.update()
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end
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def memberships(%User{follower_address: follower_address}) do
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Pleroma.List
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|> where([l], ^follower_address in l.following)
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|> select([l], l.ap_id)
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|> Repo.all()
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end
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def memberships(_), do: []
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def member?(%Pleroma.List{following: following}, %User{follower_address: follower_address}) do
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Enum.member?(following, follower_address)
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end
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def member?(_, _), do: false
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end
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