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room.go
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room.go
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// Copyright © 2018 MTRNord <info@nordgedanken.de>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package rooms
import (
"github.com/Nordgedanken/Morpheusv2/pkg/matrix"
"github.com/Nordgedanken/Morpheusv2/pkg/util"
"github.com/matrix-org/gomatrix"
"strings"
)
// Room holds the needed Room data and allows to work with that. It gets normally loaded from the cache
type Room struct {
id string
aliases []string
name string
avatar []byte
topic string
messages []matrix.Message
}
// SetRoomID adds the roomID to the current Room
func (r *Room) SetRoomID(id string) {
r.id = id
}
// SetRoomAliases adds the aliases to the current Room
func (r *Room) SetRoomAliases(aliases []string) {
r.aliases = aliases
}
// SetName adds the name to the current Room
func (r *Room) SetName(name string) {
r.name = name
}
// SetAvatar adds the avatar to the current Room
func (r *Room) SetAvatar(avatar []byte) {
r.avatar = avatar
}
// SetTopic adds the topic to the current Room
func (r *Room) SetTopic(topic string) {
r.topic = topic
}
// SetMessages adds the messages to the current Room
func (r *Room) SetMessages(messages []matrix.Message) {
r.messages = messages
}
// GetRoomID returns the room ID from the current Room
func (r *Room) GetRoomID() string {
return r.id
}
// GetRoomAliases returns the room aliases from the current Room
func (r *Room) GetRoomAliases() []string {
return r.aliases
}
// GetName returns the name from the current Room
func (r *Room) GetName() (string, error) {
if r.name == "" {
type RespRoomName struct {
Name string `json:"name"`
}
resp := &RespRoomName{}
err := util.User.GetCli().StateEvent(r.id, "m.room.name", "", resp)
if err != nil {
return "", err
}
r.name = resp.Name
}
return r.name, nil
}
// GetAvatar returns the avatar from the current Room
func (r *Room) GetAvatar() ([]byte, error) {
if r.avatar == nil {
resp := &gomatrix.Event{}
err := util.User.GetCli().StateEvent(r.id, "m.room.avatar", "", resp)
if err != nil {
return nil, err
}
var avatar []byte
value, exists := resp.Content["url"]
if !exists {
return nil, nil
}
url, ok := value.(string)
if !ok {
return nil, nil
}
split := strings.Split(url, "/")
servername := strings.TrimPrefix(split[0], "mxc://")
mediaID := split[1]
mediaURL := util.User.GetCli().BuildBaseURL("_matrix/media/r0/download", servername, mediaID)
avatar, err = util.User.GetCli().MakeRequest("GET", mediaURL, nil, nil)
if err != nil {
return nil, err
}
r.avatar = avatar
}
return r.avatar, nil
}
// GetTopic returns the topic from the current Room
func (r *Room) GetTopic() (string, error) {
if r.topic == "" {
resp := &gomatrix.Event{}
err := util.User.GetCli().StateEvent(r.id, "m.room.topic", "", resp)
if err != nil {
return "", err
}
value, exists := resp.Content["topic"]
if !exists {
return "", nil
}
topic, ok := value.(string)
if !ok {
return "", nil
}
r.topic = topic
}
return r.topic, nil
}
// GetMessages returns the messages from the current Room
func (r *Room) GetMessages() []matrix.Message {
// TODO Lazy load from DB
return r.messages
}