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class Wedge | |
class Middleware | |
def initialize(app, settings = {}) | |
@app = app | |
@opal = Wedge::Opal::Server.new { |s| | |
s.prefix = Wedge.config.assets_url | |
s.append_path "#{Dir.pwd}/#{Wedge.config.app_dir}" | |
s.debug = Wedge.config.debug | |
} | |
settings.each do |k, v| | |
Wedge.config.send "#{k}=", v | |
end | |
end | |
def call(env) | |
responder = Responder.new(@app, @opal, env) | |
responder.respond | |
end | |
class Responder | |
attr_reader :opal | |
attr_accessor :app, :env, :wedge_path, :extension | |
def initialize(app, opal, env) | |
@app = app; @opal = opal; @env = env | |
end | |
def respond | |
if path =~ Wedge.assets_url_regex | |
@wedge_path, @extension = $1, $2 | |
body, headers, status = [], {}, 200 | |
if extension == 'call' | |
body_data = request.body.read | |
data = request.params | |
begin | |
# try json | |
data.merge!(body_data ? JSON.parse(body_data) : {}) | |
rescue | |
begin | |
# try form data | |
data.merge!(body_data ? Rack::Utils.parse_query(body_data) : {}) | |
rescue | |
# no data | |
end | |
end | |
data = data.indifferent | |
name = data.delete(:__wedge_name__) | |
method_called = data.delete(:__wedge_method__) | |
method_args = data.delete(:__wedge_args__) | |
if method_args == '__wedge_data__' && data | |
method_args = [data] | |
res = Wedge.scope!(self)[name].send(method_called, *method_args) || '' | |
else | |
# This used to send things like init, we need a better way to | |
# send client config data to the server | |
# res = scope.wedge(name, data).send(method_called, *method_args) || '' | |
res = Wedge.scope!(self)[name].send(method_called, *method_args) || '' | |
end | |
# discuss: I don't think we should update the csrf token # every ajax call | |
# headers["WEDGE-CSRF-TOKEN"] = self.csrf_token if self.methods.include? :csrf_token | |
if res.is_a? Hash | |
headers["Content-Type"] = 'application/json; charset=UTF-8' | |
body << res.to_json | |
else | |
body << res.to_s | |
end | |
[status, headers, body] | |
else | |
@opal.call env | |
end | |
else | |
response.finish | |
end | |
end | |
def wedge(*args, &block) | |
Wedge[*args, &block] | |
end | |
private | |
def path | |
@env['PATH_INFO'] | |
end | |
def request | |
@request ||= Rack::Request.new(@env) | |
end | |
def response | |
@response ||= begin | |
status, headers, body = @app.call(request.env) | |
Rack::Response.new(body, status, headers) | |
end | |
end | |
end | |
end | |
end |
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