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require "http/server"
module Guff
class Handler < ::HTTP::Handler
getter :model
def initialize(@models : Models)
end
def call(context : HTTP::Server::Context)
# do nothing by default
call_next(context)
end
def with_session(context, &block : Hash(String, String) -> Bool)
sid, data = nil, nil
if sid = context.request.headers["x-guff-session-id"]?
data = Hash(String, String).from_json(@models.session.get(sid) || "{}")
else
sid = @models.session.add
context.request.headers["x-guff-session-id"] = sid
data = {} of String => String
end
save = block.call(data)
# save data
@models.session.set(sid, data.to_json) if save
end
private def get_session(context) : Hash(String, String)
end
private def save_session(sid, data)
end
private def redirect(context, url : String)
context.response.status_code = 302
context.response.headers["location"] = url
end
end
end
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