115 lines
4.0 KiB
Erlang
115 lines
4.0 KiB
Erlang
-module(handler_calendar_by_id).
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-include("records.hrl").
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-export([init/2]).
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init(Req, Opts) ->
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handle(Req, Opts).
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handle(Req, _Opts) ->
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case cowboy_req:method(Req) of
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<<"GET">> -> get_calendar(Req);
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<<"PUT">> -> update_calendar(Req);
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<<"DELETE">> -> delete_calendar(Req);
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_ -> send_error(Req, 405, <<"Method not allowed">>)
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end.
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%% GET /v1/calendars/:id - получение календаря
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get_calendar(Req) ->
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case handler_auth:authenticate(Req) of
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{ok, UserId, Req1} ->
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CalendarId = cowboy_req:binding(id, Req1),
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case logic_calendar:get_calendar(UserId, CalendarId) of
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{ok, Calendar} ->
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Response = calendar_to_json(Calendar),
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send_json(Req1, 200, Response);
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{error, access_denied} ->
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send_error(Req1, 403, <<"Access denied">>);
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{error, not_found} ->
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send_error(Req1, 404, <<"Calendar not found">>);
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{error, _} ->
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send_error(Req1, 500, <<"Internal server error">>)
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end;
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{error, Code, Message, Req1} ->
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send_error(Req1, Code, Message)
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end.
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%% PUT /v1/calendars/:id - обновление календаря
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update_calendar(Req) ->
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case handler_auth:authenticate(Req) of
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{ok, UserId, Req1} ->
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CalendarId = cowboy_req:binding(id, Req1),
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{ok, Body, Req2} = cowboy_req:read_body(Req1),
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try jsx:decode(Body, [return_maps]) of
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UpdatesMap when is_map(UpdatesMap) ->
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Updates = maps:to_list(UpdatesMap),
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case logic_calendar:update_calendar(UserId, CalendarId, Updates) of
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{ok, Calendar} ->
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Response = calendar_to_json(Calendar),
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send_json(Req2, 200, Response);
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{error, access_denied} ->
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send_error(Req2, 403, <<"Access denied">>);
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{error, not_found} ->
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send_error(Req2, 404, <<"Calendar not found">>);
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{error, _} ->
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send_error(Req2, 500, <<"Internal server error">>)
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end;
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_ ->
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send_error(Req2, 400, <<"Invalid JSON">>)
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catch
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_:_ ->
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send_error(Req2, 400, <<"Invalid JSON format">>)
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end;
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{error, Code, Message, Req1} ->
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send_error(Req1, Code, Message)
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end.
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%% DELETE /v1/calendars/:id - удаление календаря
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delete_calendar(Req) ->
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case handler_auth:authenticate(Req) of
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{ok, UserId, Req1} ->
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CalendarId = cowboy_req:binding(id, Req1),
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case logic_calendar:delete_calendar(UserId, CalendarId) of
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{ok, _} ->
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send_json(Req1, 200, #{status => <<"deleted">>});
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{error, access_denied} ->
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send_error(Req1, 403, <<"Access denied">>);
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{error, not_found} ->
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send_error(Req1, 404, <<"Calendar not found">>);
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{error, _} ->
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send_error(Req1, 500, <<"Internal server error">>)
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end;
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{error, Code, Message, Req1} ->
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send_error(Req1, Code, Message)
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end.
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%% Вспомогательные функции
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calendar_to_json(Calendar) ->
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#{
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id => Calendar#calendar.id,
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owner_id => Calendar#calendar.owner_id,
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title => Calendar#calendar.title,
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description => Calendar#calendar.description,
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tags => Calendar#calendar.tags,
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type => Calendar#calendar.type,
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confirmation => confirmation_to_json(Calendar#calendar.confirmation),
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rating_avg => Calendar#calendar.rating_avg,
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rating_count => Calendar#calendar.rating_count,
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status => Calendar#calendar.status,
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created_at => Calendar#calendar.created_at,
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updated_at => Calendar#calendar.updated_at
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}.
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confirmation_to_json(auto) -> <<"auto">>;
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confirmation_to_json(manual) -> <<"manual">>;
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confirmation_to_json({timeout, N}) -> #{<<"timeout">> => N}.
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send_json(Req, Status, Data) ->
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Body = jsx:encode(Data),
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cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
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{ok, Body, []}.
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send_error(Req, Status, Message) ->
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Body = jsx:encode(#{error => Message}),
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cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
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{ok, Body, []}. |