add sse for user event feed
This commit is contained in:
Brad Rydzewski
parent
631cd10033
commit
c867bcaf3c
4 changed files with 107 additions and 16 deletions
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@ -119,6 +119,11 @@ func Load(middleware ...gin.HandlerFunc) http.Handler {
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)
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)
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}
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}
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sse := e.Group("/stream")
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{
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sse.GET("/events", server.EventStreamSSE)
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}
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info := e.Group("/api/info")
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info := e.Group("/api/info")
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{
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{
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info.GET("/queue",
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info.GET("/queue",
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@ -3,6 +3,7 @@ package server
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import (
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import (
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"context"
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"context"
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"fmt"
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"fmt"
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"io"
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"net/http"
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"net/http"
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"strconv"
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"strconv"
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"time"
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"time"
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@ -204,3 +205,72 @@ func EventStream(c *gin.Context) {
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}()
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}()
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reader(ws)
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reader(ws)
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}
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}
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func EventStreamSSE(c *gin.Context) {
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c.Header("Content-Type", "text/event-stream")
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c.Header("Cache-Control", "no-cache")
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c.Header("Connection", "keep-alive")
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rw := c.Writer
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flusher, ok := rw.(http.Flusher)
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if !ok {
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c.String(500, "Streaming not supported")
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return
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}
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logrus.Debugf("user feed: connection opened")
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user := session.User(c)
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repo := map[string]bool{}
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if user != nil {
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repos, _ := store.FromContext(c).RepoList(user)
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for _, r := range repos {
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repo[r.FullName] = true
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}
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}
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eventc := make(chan []byte, 10)
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ctx, cancel := context.WithCancel(
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context.Background(),
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)
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defer func() {
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cancel()
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close(eventc)
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logrus.Debugf("user feed: connection closed")
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}()
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go func() {
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// TODO remove this from global config
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Config.Services.Pubsub.Subscribe(c, "topic/events", func(m pubsub.Message) {
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name := m.Labels["repo"]
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priv := m.Labels["private"]
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if repo[name] || priv == "false" {
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select {
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case <-ctx.Done():
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return
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default:
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eventc <- m.Data
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}
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}
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})
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cancel()
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}()
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for {
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select {
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case <-rw.CloseNotify():
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return
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case <-ctx.Done():
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return
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case buf, ok := <-eventc:
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if ok {
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io.WriteString(rw, "data: ")
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rw.Write(buf)
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io.WriteString(rw, "\n\n")
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flusher.Flush()
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}
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}
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}
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}
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@ -1,22 +1,36 @@
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<!DOCTYPE html>
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<!DOCTYPE html>
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<html>
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<html lang="en">
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<head>
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<head>
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<meta charset="utf-8"/>
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<meta charset="utf-8">
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<meta content="width=device-width, initial-scale=1" name="viewport"/>
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<meta name="author" content="bradrydzewski">
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<meta content="ie=edge" http-equiv="x-ua-compatible"/>
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<meta name="viewport" content="width=device-width, minimum-scale=1, initial-scale=1, user-scalable=yes">
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{{ if .csrf }}<meta name="csrf-token" content="{{ .csrf }}" />{{ end }}
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<link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet"/>
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<link rel="shortcut icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
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<link href="https://fonts.googleapis.com/css?family=Roboto+Mono" rel="stylesheet"/>
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<link rel="shortcut icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
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<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"/>
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<link href="/static/app.css" rel="stylesheet"/>
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<title></title>
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<link href="/static/favicon.ico" rel="icon" type="image/x-icon"/>
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<script>
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window.ENV = {};
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window.ENV.server = window.location.protocol+"//"+window.location.host;
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{{ if .csrf }}window.ENV.csrf = "{{ .csrf }}"{{ end }}
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{{ if .user }}
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window.USER = {{ json .user }};
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{{ end }}
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</script>
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<script src="/bower_components/webcomponentsjs/webcomponents-loader.js"></script>
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<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto">
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<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto+Mono">
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<link rel="import" href="/src/drone/drone-app.html">
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<style>
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html, body {
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padding:0px;
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margin:0px;
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}
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</style>
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</head>
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</head>
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<body>
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<body>
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<div id="app"></div>
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<drone-app></drone-app>
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<script>
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window.STATE_FROM_SERVER={{ . | json }};
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</script>
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<script src="https://code.getmdl.io/1.1.3/material.min.js"></script>
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<script src="/static/app.js"></script>
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</body>
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</body>
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</html>
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</html>
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@ -60,6 +60,8 @@ func (w *local) File(rw http.ResponseWriter, r *http.Request) {
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func (w *local) Routes() []string {
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func (w *local) Routes() []string {
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return []string{
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return []string{
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"/favicon-32x32.png",
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"/favicon-16x16.png",
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"/src/*filepath",
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"/src/*filepath",
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"/bower_components/*filepath",
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"/bower_components/*filepath",
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}
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}
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