120 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
# Pleroma: A lightweight social networking server
 | 
						|
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 | 
						|
# SPDX-License-Identifier: AGPL-3.0-only
 | 
						|
 | 
						|
defmodule Pleroma.Web.MastodonAPI.SuggestionController do
 | 
						|
  use Pleroma.Web, :controller
 | 
						|
  import Ecto.Query
 | 
						|
  alias Pleroma.FollowingRelationship
 | 
						|
  alias Pleroma.User
 | 
						|
  alias Pleroma.UserRelationship
 | 
						|
 | 
						|
  require Logger
 | 
						|
 | 
						|
  plug(Pleroma.Web.ApiSpec.CastAndValidate)
 | 
						|
  plug(Pleroma.Web.Plugs.OAuthScopesPlug, %{scopes: ["read"]} when action in [:index, :index2])
 | 
						|
  plug(Pleroma.Web.Plugs.OAuthScopesPlug, %{scopes: ["write"]} when action in [:dismiss])
 | 
						|
 | 
						|
  def open_api_operation(action) do
 | 
						|
    operation = String.to_existing_atom("#{action}_operation")
 | 
						|
    apply(__MODULE__, operation, [])
 | 
						|
  end
 | 
						|
 | 
						|
  def index_operation do
 | 
						|
    %OpenApiSpex.Operation{
 | 
						|
      tags: ["Suggestions"],
 | 
						|
      summary: "Follow suggestions (Not implemented)",
 | 
						|
      operationId: "SuggestionController.index",
 | 
						|
      responses: %{
 | 
						|
        200 => Pleroma.Web.ApiSpec.Helpers.empty_array_response()
 | 
						|
      }
 | 
						|
    }
 | 
						|
  end
 | 
						|
 | 
						|
  def index2_operation do
 | 
						|
    %OpenApiSpex.Operation{
 | 
						|
      tags: ["Suggestions"],
 | 
						|
      summary: "Follow suggestions",
 | 
						|
      operationId: "SuggestionController.index2",
 | 
						|
      responses: %{
 | 
						|
        200 => Pleroma.Web.ApiSpec.Helpers.empty_array_response()
 | 
						|
      }
 | 
						|
    }
 | 
						|
  end
 | 
						|
 | 
						|
  def dismiss_operation do
 | 
						|
    %OpenApiSpex.Operation{
 | 
						|
      tags: ["Suggestions"],
 | 
						|
      summary: "Remove a suggestion",
 | 
						|
      operationId: "SuggestionController.dismiss",
 | 
						|
      parameters: [
 | 
						|
        OpenApiSpex.Operation.parameter(
 | 
						|
          :account_id,
 | 
						|
          :path,
 | 
						|
          %OpenApiSpex.Schema{type: :string},
 | 
						|
          "Account to dismiss",
 | 
						|
          required: true
 | 
						|
        )
 | 
						|
      ],
 | 
						|
      responses: %{
 | 
						|
        200 => Pleroma.Web.ApiSpec.Helpers.empty_object_response()
 | 
						|
      }
 | 
						|
    }
 | 
						|
  end
 | 
						|
 | 
						|
  @doc "GET /api/v1/suggestions"
 | 
						|
  def index(conn, params),
 | 
						|
    do: Pleroma.Web.MastodonAPI.MastodonAPIController.empty_array(conn, params)
 | 
						|
 | 
						|
  @doc "GET /api/v2/suggestions"
 | 
						|
  def index2(%{assigns: %{user: user}} = conn, params) do
 | 
						|
    limit = Map.get(params, :limit, 40) |> min(80)
 | 
						|
 | 
						|
    users =
 | 
						|
      %{is_suggested: true, invisible: false, limit: limit}
 | 
						|
      |> User.Query.build()
 | 
						|
      |> exclude_user(user)
 | 
						|
      |> exclude_relationships(user, [:block, :mute, :suggestion_dismiss])
 | 
						|
      |> exclude_following(user)
 | 
						|
      |> Pleroma.Repo.all()
 | 
						|
 | 
						|
    render(conn, "index.json", %{
 | 
						|
      users: users,
 | 
						|
      source: :staff,
 | 
						|
      for: user,
 | 
						|
      skip_visibility_check: true
 | 
						|
    })
 | 
						|
  end
 | 
						|
 | 
						|
  defp exclude_user(query, %User{id: user_id}) do
 | 
						|
    where(query, [u], u.id != ^user_id)
 | 
						|
  end
 | 
						|
 | 
						|
  defp exclude_relationships(query, %User{id: user_id}, relationship_types) do
 | 
						|
    query
 | 
						|
    |> join(:left, [u], r in UserRelationship,
 | 
						|
      as: :user_relationships,
 | 
						|
      on:
 | 
						|
        r.target_id == u.id and r.source_id == ^user_id and
 | 
						|
          r.relationship_type in ^relationship_types
 | 
						|
    )
 | 
						|
    |> where([user_relationships: r], is_nil(r.target_id))
 | 
						|
  end
 | 
						|
 | 
						|
  defp exclude_following(query, %User{id: user_id}) do
 | 
						|
    query
 | 
						|
    |> join(:left, [u], r in FollowingRelationship,
 | 
						|
      as: :following_relationships,
 | 
						|
      on: r.following_id == u.id and r.follower_id == ^user_id and r.state == :follow_accept
 | 
						|
    )
 | 
						|
    |> where([following_relationships: r], is_nil(r.following_id))
 | 
						|
  end
 | 
						|
 | 
						|
  @doc "DELETE /api/v1/suggestions/:account_id"
 | 
						|
  def dismiss(%{assigns: %{user: source}} = conn, %{account_id: user_id}) do
 | 
						|
    with %User{} = target <- User.get_cached_by_id(user_id),
 | 
						|
         {:ok, _} <- UserRelationship.create(:suggestion_dismiss, source, target) do
 | 
						|
      json(conn, %{})
 | 
						|
    end
 | 
						|
  end
 | 
						|
end
 |