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Decouple chat from core and add chat rest api (#25)

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* Decouple the chat package from the core

* Add rest api endpoints for the chat aspect
This commit is contained in:
Bradley Hilton
2020-06-23 15:11:01 -05:00
committed by GitHub
parent af1e2c5dd0
commit abb2f363af
10 changed files with 244 additions and 78 deletions
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85
core/chat/server.go
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@@ -8,16 +8,21 @@ import (
log "github.com/sirupsen/logrus"
"golang.org/x/net/websocket"
"github.com/gabek/owncast/core"
"github.com/gabek/owncast/models"
)
var (
_server *server
)
//Server represents the server which handles the chat
type Server struct {
type server struct {
Messages []models.ChatMessage
Clients map[string]*Client
pattern string
pattern string
listener models.ChatListener
addCh chan *Client
delCh chan *Client
sendAllCh chan models.ChatMessage
@@ -26,88 +31,44 @@ type Server struct {
errCh chan error
}
//NewServer creates a new chat server
func NewServer() *Server {
messages := []models.ChatMessage{}
clients := make(map[string]*Client)
addCh := make(chan *Client)
delCh := make(chan *Client)
sendAllCh := make(chan models.ChatMessage)
pingCh := make(chan models.PingMessage)
doneCh := make(chan bool)
errCh := make(chan error)
// Demo messages only. Remove me eventually!!!
messages = append(messages, models.ChatMessage{"Tom Nook", "I'll be there with Bells on! Ho ho!", "https://gamepedia.cursecdn.com/animalcrossingpocketcamp_gamepedia_en/thumb/4/4f/Timmy_Icon.png/120px-Timmy_Icon.png?version=87b38d7d6130411d113486c2db151385", "demo-message-1", "ChatMessage"})
messages = append(messages, models.ChatMessage{"Redd", "Fool me once, shame on you. Fool me twice, stop foolin' me.", "https://vignette.wikia.nocookie.net/animalcrossing/images/3/3d/Redd2.gif/revision/latest?cb=20100710004252", "demo-message-2", "ChatMessage"})
messages = append(messages, models.ChatMessage{"Kevin", "You just caught me before I was about to go work out weeweewee!", "https://vignette.wikia.nocookie.net/animalcrossing/images/2/20/NH-Kevin_poster.png/revision/latest/scale-to-width-down/100?cb=20200410185817", "demo-message-3", "ChatMessage"})
messages = append(messages, models.ChatMessage{"Isabelle", " Isabelle is the mayor's highly capable secretary. She can be forgetful sometimes, but you can always count on her for information about the town. She wears her hair up in a bun that makes her look like a shih tzu. Mostly because she is one! She also has a twin brother named Digby.", "https://dodo.ac/np/images/thumb/7/7b/IsabelleTrophyWiiU.png/200px-IsabelleTrophyWiiU.png", "demo-message-4", "ChatMessage"})
messages = append(messages, models.ChatMessage{"Judy", "myohmy, I'm dancing my dreams away.", "https://vignette.wikia.nocookie.net/animalcrossing/images/5/50/NH-Judy_poster.png/revision/latest/scale-to-width-down/100?cb=20200522063219", "demo-message-5", "ChatMessage"})
messages = append(messages, models.ChatMessage{"Blathers", "Blathers is an owl with brown feathers. His face is white and he has a yellow beak. His arms are wing shaped and he has yellow talons. His eyes are very big with small black irises. He also has big pink cheek circles on his cheeks. His belly appears to be checkered in diamonds with light brown and white squares, similar to an argyle vest, which is traditionally associated with academia. His green bowtie further alludes to his academic nature.", "https://vignette.wikia.nocookie.net/animalcrossing/images/b/b3/NH-character-Blathers.png/revision/latest?cb=20200229053519", "demo-message-6", "ChatMessage"})
server := &Server{
messages,
clients,
"/entry", //hardcoded due to the UI requiring this and it is not configurable
addCh,
delCh,
sendAllCh,
pingCh,
doneCh,
errCh,
}
ticker := time.NewTicker(30 * time.Second)
go func() {
for {
select {
case <-ticker.C:
server.ping()
}
}
}()
return server
}
//Add adds a client to the server
func (s *Server) Add(c *Client) {
func (s *server) add(c *Client) {
s.addCh <- c
}
//Remove removes a client from the server
func (s *Server) Remove(c *Client) {
func (s *server) remove(c *Client) {
s.delCh <- c
}
//SendToAll sends a message to all of the connected clients
func (s *Server) SendToAll(msg models.ChatMessage) {
func (s *server) SendToAll(msg models.ChatMessage) {
s.sendAllCh <- msg
}
//Done marks the server as done
func (s *Server) Done() {
func (s *server) done() {
s.doneCh <- true
}
//Err handles an error
func (s *Server) Err(err error) {
func (s *server) err(err error) {
s.errCh <- err
}
func (s *Server) sendPastMessages(c *Client) {
func (s *server) sendPastMessages(c *Client) {
for _, msg := range s.Messages {
c.Write(msg)
}
}
func (s *Server) sendAll(msg models.ChatMessage) {
func (s *server) sendAll(msg models.ChatMessage) {
for _, c := range s.Clients {
c.Write(msg)
}
}
func (s *Server) ping() {
func (s *server) ping() {
// fmt.Println("Start pinging....", len(s.clients))
ping := models.PingMessage{MessageType: "PING"}
@@ -116,8 +77,8 @@ func (s *Server) ping() {
}
}
func (s *Server) onConnection(ws *websocket.Conn) {
client := NewClient(ws, s)
func (s *server) onConnection(ws *websocket.Conn) {
client := NewClient(ws)
defer func() {
log.Printf("The client was connected for %s and sent %d messages (%s)", time.Since(client.ConnectedAt), client.MessageCount, client.id)
@@ -127,13 +88,13 @@ func (s *Server) onConnection(ws *websocket.Conn) {
}
}()
s.Add(client)
s.add(client)
client.Listen()
}
// Listen and serve.
// It serves client connection and broadcast request.
func (s *Server) Listen() {
func (s *server) Listen() {
http.Handle(s.pattern, websocket.Handler(s.onConnection))
log.Printf("Starting the websocket listener on: %s", s.pattern)
@@ -144,18 +105,18 @@ func (s *Server) Listen() {
case c := <-s.addCh:
s.Clients[c.id] = c
core.SetClientActive(c.id)
s.listener.ClientAdded(c.id)
s.sendPastMessages(c)
// remove a client
case c := <-s.delCh:
delete(s.Clients, c.id)
core.RemoveClient(c.id)
s.listener.ClientRemoved(c.id)
// broadcast a message to all clients
case msg := <-s.sendAllCh:
log.Println("Sending a message to all:", msg)
s.Messages = append(s.Messages, msg)
s.listener.MessageSent(msg)
s.sendAll(msg)
case ping := <-s.pingCh: