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Nova is a web application framework
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Files
src/nova_http.erl
-module(nova_http).
-export([
%% Functions for modifying headers
set_headers/2,
add_header/3,
remove_header/2,
%% Functions for modifying body
set_body/2,
clear_body/1,
%% Functions for setting http-status
set_status/2,
%% Cookies
set_cookie/3,
set_cookie/4
]).
-spec set_headers(Headers :: map() | [{Key :: binary(), Value :: binary()}], NovaHttpState) ->
NovaHttpState when NovaHttpState :: nova_http_handler:nova_http_state().
set_headers(Map, NovaHttpState) when is_map(Map) ->
set_headers(maps:to_list(Map), NovaHttpState);
set_headers([], NovaHttpState) -> NovaHttpState;
set_headers([{Key, Value}|Tl], NovaHttpState = #{req := Req}) ->
Req0 = cowboy_req:set_resp_header(Key, Value, Req),
set_headers(Tl, NovaHttpState#{req => Req0}).
-spec add_header(Key :: binary(), Value :: binary(), NovaHttpState) ->
NovaHttpState when NovaHttpState :: nova_http_handler:nova_http_state().
add_header(Key, Value, NovaHttpState) when is_binary(Key) andalso is_binary(Value)->
set_headers([{Key, Value}], NovaHttpState).
-spec remove_header(Key :: binary(), NovaHttpState) -> NovaHttpState when
NovaHttpState :: nova_http_handler:nova_http_state().
remove_header(Key, NovaHttpState = #{req := Req}) ->
Req0 = cowboy_req:delete_resp_header(Key, Req),
NovaHttpState#{req => Req0}.
-spec set_body(Body :: cowboy_req:resp_body(), NovaHttpState) ->
NovaHttpState when NovaHttpState :: nova_http_handler:nova_http_state().
set_body(Body, NovaHttpState = #{req := Req}) ->
Req0 = cowboy_req:set_resp_body(Body, Req),
NovaHttpState#{req => Req0}.
-spec clear_body(NovaHttpState) -> NovaHttpState when
NovaHttpState :: nova_http_handler:nova_http_state().
clear_body(NovaHttpState) ->
set_body(<<"">>, NovaHttpState).
-spec set_status(StatusCode :: integer(), NovaHttpState) -> NovaHttpState when
NovaHttpState :: nova_http_handler:nova_http_state().
set_status(StatusCode, NovaHttpState) ->
NovaHttpState#{resp_status => StatusCode}.
-spec set_cookie(Key :: binary(), Value :: iodata(), NovaHttpState) ->
NovaHttpState when NovaHttpState :: nova_http_handler:nova_http_state().
set_cookie(Key, Value, NovaHttpState) ->
set_cookie(Key, Value, #{}, NovaHttpState).
-spec set_cookie(Key :: binary(), Value :: iodata(), Options :: cow_cookie:cookie_opts(), NovaHttpState) ->
NovaHttpState when NovaHttpState :: nova_http_handler:nova_http_state().
set_cookie(Key, Value, Options, NovaHttpState = #{req := Req}) ->
Req0 = cowboy_req:set_resp_cookie(Key, Value, Req, Options),
NovaHttpState#{req => Req0}.