package appservice import ( "encoding/json" "net/http" "maunium.net/go/gomatrix" ) // EventList contains a list of events. type EventList struct { Events []*gomatrix.Event `json:"events"` } // EventListener is a function that receives events. type EventListener func(event *gomatrix.Event) // WriteBlankOK writes a blank OK message as a reply to a HTTP request. func WriteBlankOK(w http.ResponseWriter) { w.WriteHeader(http.StatusOK) w.Write([]byte("{}")) } // Respond responds to a HTTP request with a JSON object. func Respond(w http.ResponseWriter, data interface{}) error { dataStr, err := json.Marshal(data) if err != nil { return err } _, err = w.Write([]byte(dataStr)) return err } // Error represents a Matrix protocol error. type Error struct { HTTPStatus int `json:"-"` ErrorCode ErrorCode `json:"errcode"` Message string `json:"message"` } func (err Error) Write(w http.ResponseWriter) { w.WriteHeader(err.HTTPStatus) Respond(w, &err) } // ErrorCode is the machine-readable code in an Error. type ErrorCode string // Native ErrorCodes const ( ErrForbidden ErrorCode = "M_FORBIDDEN" ErrUnknown ErrorCode = "M_UNKNOWN" ) // Custom ErrorCodes const ( ErrNoTransactionID ErrorCode = "NET.MAUNIUM.NO_TRANSACTION_ID" ErrNoBody ErrorCode = "NET.MAUNIUM.NO_REQUEST_BODY" ErrInvalidJSON ErrorCode = "NET.MAUNIUM.INVALID_JSON" )