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added paginate links to headers for /chats/:id/messages

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This commit is contained in:
Maksim Pechnikov 2020-09-10 12:24:44 +03:00
parent 9d20d29a79
commit 9853c90abb
5 changed files with 90 additions and 69 deletions
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24
lib/pleroma/chat.ex
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@ -6,6 +6,7 @@ defmodule Pleroma.Chat do
use Ecto.Schema
import Ecto.Changeset
import Ecto.Query
alias Pleroma.Repo
alias Pleroma.User
@ -16,6 +17,7 @@ defmodule Pleroma.Chat do
It is a helper only, to make it easy to display a list of chats with other people, ordered by last bump. The actual messages are retrieved by querying the recipients of the ChatMessages.
"""
@type t :: %__MODULE__{}
@primary_key {:id, FlakeId.Ecto.CompatType, autogenerate: true}
schema "chats" do
@ -39,16 +41,28 @@ def changeset(struct, params) do
|> unique_constraint(:user_id, name: :chats_user_id_recipient_index)
end
@spec get_by_user_and_id(User.t(), FlakeId.Ecto.CompatType.t()) ::
{:ok, t()} | {:error, :not_found}
def get_by_user_and_id(%User{id: user_id}, id) do
from(c in __MODULE__,
where: c.id == ^id,
where: c.user_id == ^user_id
)
|> Repo.find_resource()
end
@spec get_by_id(FlakeId.Ecto.CompatType.t()) :: t() | nil
def get_by_id(id) do
__MODULE__
|> Repo.get(id)
Repo.get(__MODULE__, id)
end
@spec get(FlakeId.Ecto.CompatType.t(), String.t()) :: t() | nil
def get(user_id, recipient) do
__MODULE__
|> Repo.get_by(user_id: user_id, recipient: recipient)
Repo.get_by(__MODULE__, user_id: user_id, recipient: recipient)
end
@spec get_or_create(FlakeId.Ecto.CompatType.t(), String.t()) ::
{:ok, t()} | {:error, Ecto.Changeset.t()}
def get_or_create(user_id, recipient) do
%__MODULE__{}
|> changeset(%{user_id: user_id, recipient: recipient})
@ -60,6 +74,8 @@ def get_or_create(user_id, recipient) do
)
end
@spec bump_or_create(FlakeId.Ecto.CompatType.t(), String.t()) ::
{:ok, t()} | {:error, Ecto.Changeset.t()}
def bump_or_create(user_id, recipient) do
%__MODULE__{}
|> changeset(%{user_id: user_id, recipient: recipient})

3
lib/pleroma/web/api_spec/operations/chat_operation.ex
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@ -158,7 +158,8 @@ def messages_operation do
"The messages in the chat",
"application/json",
chat_messages_response()
)
),
404 => Operation.response("Not Found", "application/json", ApiError)
},
security: [
%{

20
lib/pleroma/web/controller_helper.ex
View File

@ -48,13 +48,13 @@ defp param_to_integer(val, default) when is_binary(val) do
defp param_to_integer(_, default), do: default
def add_link_headers(conn, activities, extra_params \\ %{})
def add_link_headers(conn, entries, extra_params \\ %{})
def add_link_headers(%{assigns: %{skip_link_headers: true}} = conn, _activities, _extra_params),
def add_link_headers(%{assigns: %{skip_link_headers: true}} = conn, _entries, _extra_params),
do: conn
def add_link_headers(conn, activities, extra_params) do
case get_pagination_fields(conn, activities, extra_params) do
def add_link_headers(conn, entries, extra_params) do
case get_pagination_fields(conn, entries, extra_params) do
%{"next" => next_url, "prev" => prev_url} ->
put_resp_header(conn, "link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
@ -78,19 +78,15 @@ defp build_pagination_fields(conn, min_id, max_id, extra_params) do
}
end
def get_pagination_fields(conn, activities, extra_params \\ %{}) do
case List.last(activities) do
def get_pagination_fields(conn, entries, extra_params \\ %{}) do
case List.last(entries) do
%{pagination_id: max_id} when not is_nil(max_id) ->
%{pagination_id: min_id} =
activities
|> List.first()
%{pagination_id: min_id} = List.first(entries)
build_pagination_fields(conn, min_id, max_id, extra_params)
%{id: max_id} ->
%{id: min_id} =
activities
|> List.first()
%{id: min_id} = List.first(entries)
build_pagination_fields(conn, min_id, max_id, extra_params)

62
lib/pleroma/web/pleroma_api/controllers/chat_controller.ex
View File

@ -4,6 +4,8 @@
defmodule Pleroma.Web.PleromaAPI.ChatController do
use Pleroma.Web, :controller
import Pleroma.Web.ControllerHelper, only: [add_link_headers: 2]
alias Pleroma.Activity
alias Pleroma.Chat
alias Pleroma.Chat.MessageReference
@ -47,7 +49,7 @@ def delete_message(%{assigns: %{user: %{id: user_id} = user}} = conn, %{
}) do
with %MessageReference{} = cm_ref <-
MessageReference.get_by_id(message_id),
^chat_id <- cm_ref.chat_id |> to_string(),
^chat_id <- to_string(cm_ref.chat_id),
%Chat{user_id: ^user_id} <- Chat.get_by_id(chat_id),
{:ok, _} <- remove_or_delete(cm_ref, user) do
conn
@ -68,18 +70,13 @@ defp remove_or_delete(
end
end
defp remove_or_delete(cm_ref, _) do
cm_ref
|> MessageReference.delete()
end
defp remove_or_delete(cm_ref, _), do: MessageReference.delete(cm_ref)
def post_chat_message(
%{body_params: params, assigns: %{user: %{id: user_id} = user}} = conn,
%{
id: id
}
%{body_params: params, assigns: %{user: user}} = conn,
%{id: id}
) do
with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id),
with {:ok, chat} <- Chat.get_by_user_and_id(user, id),
%User{} = recipient <- User.get_cached_by_ap_id(chat.recipient),
{:ok, activity} <-
CommonAPI.post_chat_message(user, recipient, params[:content],
@ -93,13 +90,12 @@ def post_chat_message(
end
end
def mark_message_as_read(%{assigns: %{user: %{id: user_id}}} = conn, %{
id: chat_id,
message_id: message_id
}) do
with %MessageReference{} = cm_ref <-
MessageReference.get_by_id(message_id),
^chat_id <- cm_ref.chat_id |> to_string(),
def mark_message_as_read(
%{assigns: %{user: %{id: user_id}}} = conn,
%{id: chat_id, message_id: message_id}
) do
with %MessageReference{} = cm_ref <- MessageReference.get_by_id(message_id),
^chat_id <- to_string(cm_ref.chat_id),
%Chat{user_id: ^user_id} <- Chat.get_by_id(chat_id),
{:ok, cm_ref} <- MessageReference.mark_as_read(cm_ref) do
conn
@ -109,36 +105,28 @@ def mark_message_as_read(%{assigns: %{user: %{id: user_id}}} = conn, %{
end
def mark_as_read(
%{
body_params: %{last_read_id: last_read_id},
assigns: %{user: %{id: user_id}}
} = conn,
%{body_params: %{last_read_id: last_read_id}, assigns: %{user: user}} = conn,
%{id: id}
) do
with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id),
{_n, _} <-
MessageReference.set_all_seen_for_chat(chat, last_read_id) do
with {:ok, chat} <- Chat.get_by_user_and_id(user, id),
{_n, _} <- MessageReference.set_all_seen_for_chat(chat, last_read_id) do
conn
|> put_view(ChatView)
|> render("show.json", chat: chat)
end
end
def messages(%{assigns: %{user: %{id: user_id}}} = conn, %{id: id} = params) do
with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id) do
cm_refs =
def messages(%{assigns: %{user: user}} = conn, %{id: id} = params) do
with {:ok, chat} <- Chat.get_by_user_and_id(user, id) do
chat_message_refs =
chat
|> MessageReference.for_chat_query()
|> Pagination.fetch_paginated(params)
conn
|> add_link_headers(chat_message_refs)
|> put_view(MessageReferenceView)
|> render("index.json", chat_message_references: cm_refs)
else
_ ->
conn
|> put_status(:not_found)
|> json(%{error: "not found"})
|> render("index.json", chat_message_references: chat_message_refs)
end
end
@ -158,8 +146,8 @@ def index(%{assigns: %{user: %{id: user_id} = user}} = conn, _params) do
|> render("index.json", chats: chats)
end
def create(%{assigns: %{user: user}} = conn, params) do
with %User{ap_id: recipient} <- User.get_by_id(params[:id]),
def create(%{assigns: %{user: user}} = conn, %{id: id}) do
with %User{ap_id: recipient} <- User.get_cached_by_id(id),
{:ok, %Chat{} = chat} <- Chat.get_or_create(user.id, recipient) do
conn
|> put_view(ChatView)
@ -167,8 +155,8 @@ def create(%{assigns: %{user: user}} = conn, params) do
end
end
def show(%{assigns: %{user: user}} = conn, params) do
with %Chat{} = chat <- Repo.get_by(Chat, user_id: user.id, id: params[:id]) do
def show(%{assigns: %{user: user}} = conn, %{id: id}) do
with {:ok, chat} <- Chat.get_by_user_and_id(user, id) do
conn
|> put_view(ChatView)
|> render("show.json", chat: chat)

50
test/web/pleroma_api/controllers/chat_controller_test.exs
View File

@ -2,7 +2,7 @@
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.PleromaAPI.ChatControllerTest do
use Pleroma.Web.ConnCase, async: true
use Pleroma.Web.ConnCase
alias Pleroma.Chat
alias Pleroma.Chat.MessageReference
@ -184,17 +184,39 @@ test "it paginates", %{conn: conn, user: user} do
chat = Chat.get(user.id, recipient.ap_id)
result =
conn
|> get("/api/v1/pleroma/chats/#{chat.id}/messages")
|> json_response_and_validate_schema(200)
response = get(conn, "/api/v1/pleroma/chats/#{chat.id}/messages")
result = json_response_and_validate_schema(response, 200)
[next, prev] = get_resp_header(response, "link") |> hd() |> String.split(", ")
api_endpoint = "/api/v1/pleroma/chats/"
assert String.match?(
next,
~r(#{api_endpoint}.*/messages\?id=.*&limit=\d+&max_id=.*; rel=\"next\"$)
)
assert String.match?(
prev,
~r(#{api_endpoint}.*/messages\?id=.*&limit=\d+&min_id=.*; rel=\"prev\"$)
)
assert length(result) == 20
result =
conn
|> get("/api/v1/pleroma/chats/#{chat.id}/messages?max_id=#{List.last(result)["id"]}")
|> json_response_and_validate_schema(200)
response =
get(conn, "/api/v1/pleroma/chats/#{chat.id}/messages?max_id=#{List.last(result)["id"]}")
result = json_response_and_validate_schema(response, 200)
[next, prev] = get_resp_header(response, "link") |> hd() |> String.split(", ")
assert String.match?(
next,
~r(#{api_endpoint}.*/messages\?id=.*&limit=\d+&max_id=.*; rel=\"next\"$)
)
assert String.match?(
prev,
~r(#{api_endpoint}.*/messages\?id=.*&limit=\d+&max_id=.*&min_id=.*; rel=\"prev\"$)
)
assert length(result) == 10
end
@ -223,12 +245,10 @@ test "it returns the messages for a given chat", %{conn: conn, user: user} do
assert length(result) == 3
# Trying to get the chat of a different user
result =
conn
|> assign(:user, other_user)
|> get("/api/v1/pleroma/chats/#{chat.id}/messages")
assert result |> json_response(404)
conn
|> assign(:user, other_user)
|> get("/api/v1/pleroma/chats/#{chat.id}/messages")
|> json_response_and_validate_schema(404)
end
end