plug_indie/lib/handler.ex
2024-11-29 10:42:27 +01:00

118 lines
3.9 KiB
Elixir

defmodule PlugIndie.Handler do
import Plug.Conn
alias PlugIndie.{Response, Parser, Properties}
def handle_action(:create, access_token, conn) do
content_type = conn |> get_req_header("content-type") |> List.first()
handler = conn.private[:plug_micropub][:handler]
with {:ok, type, raw_properties} <- Parser.parse_create_body(content_type, conn.body_params),
{:ok, properties} = Properties.parse(raw_properties),
{:ok, code, url} <- handler.handle_create(type, properties, access_token) do
conn
|> put_resp_header("location", url)
|> send_resp(code, "")
else
error -> Response.send_error(conn, error)
end
end
def handle_action(:update, access_token, conn) do
content_type = conn |> get_req_header("content-type") |> List.first()
with "application/json" <- content_type,
{url, properties} when is_binary(url) <- Map.pop(conn.body_params, "url"),
{:ok, replace, add, delete} <- Parser.parse_update_properties(properties),
do: do_update(conn, access_token, url, replace, add, delete),
else: (_ -> Response.send_error(conn, {:error, :invalid_request}))
end
def handle_action(:delete, access_token, conn) do
with {:ok, url} <- Map.fetch(conn.body_params, "url"),
do: do_delete(conn, access_token, url),
else: (_ -> Response.send_error(conn, {:error, :invalid_request}))
end
def handle_action(:undelete, access_token, conn) do
with {:ok, url} <- Map.fetch(conn.body_params, "url"),
do: do_undelete(conn, access_token, url),
else: (_ -> Response.send_error(conn, {:error, :invalid_request}))
end
def handle_query(:config, access_token, conn) do
handler = conn.private[:plug_micropub][:handler]
case handler.handle_config_query(access_token) do
{:ok, content} -> Response.send_content(conn, content)
error -> Response.send_error(conn, error)
end
end
def handle_query(:source, access_token, conn) do
with {:ok, url} <- Map.fetch(conn.query_params, "url"),
do: do_source_query(conn, access_token, url),
else: (_ -> Response.send_error(conn, {:error, :invalid_request}))
end
def handle_query(:"syndicate-to", access_token, conn) do
handler = conn.private[:plug_micropub][:handler]
case handler.handle_syndicate_to_query(access_token) do
{:ok, content} -> Response.send_content(conn, content)
error -> Response.send_error(conn, error)
end
end
defp do_update(conn, access_token, url, replace, add, delete) do
handler = conn.private[:plug_micropub][:handler]
case handler.handle_update(url, replace, add, delete, access_token) do
:ok ->
send_resp(conn, :no_content, "")
{:ok, url} ->
conn
|> put_resp_header("location", url)
|> send_resp(:created, "")
error ->
Response.send_error(conn, error)
end
end
defp do_delete(conn, access_token, url) do
handler = conn.private[:plug_micropub][:handler]
case handler.handle_delete(url, access_token) do
:ok -> send_resp(conn, :no_content, "")
error -> Response.send_error(conn, error)
end
end
defp do_undelete(conn, access_token, url) do
handler = conn.private[:plug_micropub][:handler]
case handler.handle_undelete(url, access_token) do
:ok ->
send_resp(conn, :no_content, "")
{:ok, url} ->
conn
|> put_resp_header("location", url)
|> send_resp(:created, "")
error ->
Response.send_error(conn, error)
end
end
defp do_source_query(conn, access_token, url) do
handler = conn.private[:plug_micropub][:handler]
properties = Map.get(conn.query_params, "properties", [])
case handler.handle_source_query(url, properties, access_token) do
{:ok, content} -> Response.send_content(conn, content)
error -> Response.send_error(conn, error)
end
end
end