137 lines
2.6 KiB
Go
137 lines
2.6 KiB
Go
package simplelog
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import (
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"context"
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"encoding/json"
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"log"
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"log/slog"
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"os"
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"time"
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"github.com/google/uuid"
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"github.com/mattn/go-isatty"
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)
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var (
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webhookURL = os.Getenv("LOGGER_WEBHOOK_URL")
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)
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var ourCustomLogger *slog.Logger
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var ourCustomHandler slog.Handler
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func init() {
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ourCustomHandler = NewMultiplexHandler()
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ourCustomLogger = slog.New(ourCustomHandler)
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slog.SetDefault(ourCustomLogger)
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}
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type MultiplexHandler struct {
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handlers []ExtendedHandler
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}
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func NewMultiplexHandler() slog.Handler {
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cl := &MultiplexHandler{}
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if isatty.IsTerminal(os.Stdout.Fd()) {
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cl.handlers = append(cl.handlers, NewConsoleHandler())
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} else {
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cl.handlers = append(cl.handlers, NewJSONHandler())
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}
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if webhookURL != "" {
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handler, err := NewWebhookHandler(webhookURL)
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if err != nil {
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log.Fatalf("Failed to initialize Webhook handler: %v", err)
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}
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cl.handlers = append(cl.handlers, handler)
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}
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return cl
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}
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func (cl *MultiplexHandler) Handle(
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ctx context.Context,
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record slog.Record,
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) error {
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for _, handler := range cl.handlers {
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if err := handler.Handle(ctx, record); err != nil {
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return err
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}
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}
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return nil
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}
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func (cl *MultiplexHandler) Enabled(
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ctx context.Context,
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level slog.Level,
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) bool {
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// send us all events
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return true
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}
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func (cl *MultiplexHandler) WithAttrs(attrs []slog.Attr) slog.Handler {
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newHandlers := make([]ExtendedHandler, len(cl.handlers))
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for i, handler := range cl.handlers {
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newHandlers[i] = handler.WithAttrs(attrs)
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}
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return &MultiplexHandler{handlers: newHandlers}
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}
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func (cl *MultiplexHandler) WithGroup(name string) slog.Handler {
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newHandlers := make([]ExtendedHandler, len(cl.handlers))
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for i, handler := range cl.handlers {
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newHandlers[i] = handler.WithGroup(name)
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}
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return &MultiplexHandler{handlers: newHandlers}
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}
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type ExtendedEvent interface {
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GetID() uuid.UUID
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GetTimestamp() time.Time
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GetLevel() string
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GetMessage() string
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GetData() json.RawMessage
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GetFile() string
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GetLine() int
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}
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type extendedEvent struct {
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Event
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File string `json:"file"`
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Line int `json:"line"`
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}
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func (e extendedEvent) GetID() uuid.UUID {
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return e.ID
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}
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func (e extendedEvent) GetTimestamp() time.Time {
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return e.Timestamp
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}
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func (e extendedEvent) GetLevel() string {
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return e.Level
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}
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func (e extendedEvent) GetMessage() string {
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return e.Message
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}
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func (e extendedEvent) GetData() json.RawMessage {
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return e.Data
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}
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func (e extendedEvent) GetFile() string {
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return e.File
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}
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func (e extendedEvent) GetLine() int {
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return e.Line
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}
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func NewExtendedEvent(baseEvent Event, file string, line int) ExtendedEvent {
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return extendedEvent{
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Event: baseEvent,
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File: file,
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Line: line,
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}
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}
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