Refactor add_link_headers/7 -> add_link_headers/3

This commit is contained in:
Egor Kislitsyn 2019-09-06 17:08:47 +07:00
commit 40b3289c26
3 changed files with 50 additions and 100 deletions

View file

@ -34,79 +34,38 @@ defmodule Pleroma.Web.ControllerHelper do
defp param_to_integer(_, default), do: default
def add_link_headers(
conn,
method,
activities,
param \\ nil,
params \\ %{},
func3 \\ nil,
func4 \\ nil
) do
params =
conn.params
|> Map.drop(["since_id", "max_id", "min_id"])
|> Map.merge(params)
def add_link_headers(conn, activities, extra_params \\ %{}) do
case List.last(activities) do
%{id: max_id} ->
params =
conn.params
|> Map.drop(Map.keys(conn.path_params))
|> Map.drop(["since_id", "max_id", "min_id"])
|> Map.merge(extra_params)
last = List.last(activities)
limit =
params
|> Map.get("limit", "20")
|> String.to_integer()
func3 = func3 || (&mastodon_api_url/3)
func4 = func4 || (&mastodon_api_url/4)
min_id =
if length(activities) <= limit do
activities
|> List.first()
|> Map.get(:id)
else
activities
|> Enum.at(limit * -1)
|> Map.get(:id)
end
if last do
max_id = last.id
next_url = current_url(conn, Map.merge(params, %{max_id: max_id}))
prev_url = current_url(conn, Map.merge(params, %{min_id: min_id}))
limit =
params
|> Map.get("limit", "20")
|> String.to_integer()
put_resp_header(conn, "link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
min_id =
if length(activities) <= limit do
activities
|> List.first()
|> Map.get(:id)
else
activities
|> Enum.at(limit * -1)
|> Map.get(:id)
end
{next_url, prev_url} =
if param do
{
func4.(
Pleroma.Web.Endpoint,
method,
param,
Map.merge(params, %{max_id: max_id})
),
func4.(
Pleroma.Web.Endpoint,
method,
param,
Map.merge(params, %{min_id: min_id})
)
}
else
{
func3.(
Pleroma.Web.Endpoint,
method,
Map.merge(params, %{max_id: max_id})
),
func3.(
Pleroma.Web.Endpoint,
method,
Map.merge(params, %{min_id: min_id})
)
}
end
conn
|> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
else
conn
_ ->
conn
end
end
end