Feature: Tail live logs (#27)

* chore: add new yarn.lock

* chore: add pkgs

* feat: push events via server-sent-events

* feat(web): tail live logs

* fix: update irc network

* fix: set baseurl

* fix: headers

internal/logger/logger.go

@@ -7,12 +7,13 @@ import (
 
 	"github.com/autobrr/autobrr/internal/domain"
 
+	"github.com/r3labs/sse/v2"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 	"gopkg.in/natefinch/lumberjack.v2"
 )
 
-func Setup(cfg domain.Config) {
+func Setup(cfg domain.Config, sse *sse.Server) {
 	zerolog.TimeFieldFormat = time.RFC3339
 
 	switch cfg.LogLevel {
@@ -47,6 +48,7 @@ func Setup(cfg domain.Config) {
 		writers = io.MultiWriter(consoleWriter, fileWriter)
 	}
 
+	log.Logger = log.Hook(&ServerSentEventHook{sse: sse})
 	log.Logger = log.Output(writers)
 
 	log.Print("Starting autobrr")

internal/logger/ssehook.go

@@ -0,0 +1,43 @@
+package logger
+
+import (
+	"encoding/json"
+	"strings"
+	"time"
+
+	"github.com/r3labs/sse/v2"
+	"github.com/rs/zerolog"
+)
+
+type LogMessage struct {
+	Time    string `json:"time"`
+	Level   string `json:"level"`
+	Message string `json:"message"`
+}
+
+func (m LogMessage) ToJsonString() string {
+	j, err := json.Marshal(m)
+	if err != nil {
+		return ""
+	}
+	return string(j)
+}
+
+type ServerSentEventHook struct {
+	sse *sse.Server
+}
+
+func (h *ServerSentEventHook) Run(e *zerolog.Event, level zerolog.Level, msg string) {
+	if h.sse != nil {
+		// publish too logs topic
+		logMsg := LogMessage{
+			Time:    time.Now().Format(time.RFC3339),
+			Level:   strings.ToUpper(level.String()),
+			Message: msg,
+		}
+
+		h.sse.Publish("logs", &sse.Event{
+			Data: []byte(logMsg.ToJsonString()),
+		})
+	}
+}