feat: replace log with slog

cmd/guilds_tree.go

@@ -2,7 +2,7 @@ package cmd
 
 import (
 	"fmt"
-	"log"
+	"log/slog"
 	"slices"
 	"sort"
 	"strings"
@@ -62,7 +62,7 @@ func (gt *GuildsTree) createFolderNode(folder gateway.GuildFolder) {
 	for _, gID := range folder.GuildIDs {
 		g, err := discordState.Cabinet.Guild(gID)
 		if err != nil {
-			log.Printf("guild %v not found in state: %v\n", gID, err)
+			slog.Info("guild not found in state", "err", err, "guild", g)
 			continue
 		}
 
@@ -113,7 +113,7 @@ func (gt *GuildsTree) createChannelNode(n *tview.TreeNode, c discord.Channel) *t
 	if c.Type != discord.DirectMessage && c.Type != discord.GroupDM {
 		ps, err := discordState.Permissions(c.ID, discordState.Ready().User.ID)
 		if err != nil {
-			log.Println(err)
+			slog.Error("failed to get permissions", "err", err, "channel_id", c.ID)
 			return nil
 		}
 
@@ -183,7 +183,7 @@ func (gt *GuildsTree) onSelected(n *tview.TreeNode) {
 	case discord.GuildID:
 		cs, err := discordState.Cabinet.Channels(ref)
 		if err != nil {
-			log.Println(err)
+			slog.Error("failed to get channels", "err", err, "guild_id", ref)
 			return
 		}
 
@@ -198,7 +198,7 @@ func (gt *GuildsTree) onSelected(n *tview.TreeNode) {
 
 		c, err := discordState.Cabinet.Channel(ref)
 		if err != nil {
-			log.Println(err)
+			slog.Error("failed to get channel", "channel_id", ref)
 			return
 		}
 
@@ -209,7 +209,7 @@ func (gt *GuildsTree) onSelected(n *tview.TreeNode) {
 	case nil: // Direct messages
 		cs, err := discordState.PrivateChannels()
 		if err != nil {
-			log.Println(err)
+			slog.Error("failed to get private channels", "err", err)
 			return
 		}
 

cmd/main_flex.go

@@ -1,7 +1,7 @@
 package cmd
 
 import (
-	"log"
+	"log/slog"
 
 	"github.com/ayn2op/discordo/internal/constants"
 	"github.com/gdamore/tcell/v2"
@@ -56,9 +56,12 @@ func (mf *MainFlex) onInputCapture(event *tcell.EventKey) *tcell.EventKey {
 		return nil
 	case cfg.Keys.Logout:
 		app.Stop()
+
 		if err := keyring.Delete(constants.Name, "token"); err != nil {
-			log.Fatal(err)
+			slog.Error("failed to delete token from keyring", "err", err)
+			return nil
 		}
+
 		return nil
 	case cfg.Keys.ToggleGuildsTree:
 		// The guilds tree is visible if the numbers of items is two.

cmd/message_input.go

@@ -1,7 +1,7 @@
 package cmd
 
 import (
-	"log"
+	"log/slog"
 	"os"
 	"os/exec"
 	"strings"
@@ -80,10 +80,11 @@ func (mi *MessageInput) send() {
 		return
 	}
 
+	logger := slog.With("channel_id", mainFlex.guildsTree.selectedChannelID)
 	if mi.replyMessageIdx != -1 {
 		ms, err := discordState.Cabinet.Messages(mainFlex.guildsTree.selectedChannelID)
 		if err != nil {
-			log.Println(err)
+			logger.Error("failed to get messages", "err", err)
 			return
 		}
 
@@ -99,13 +100,13 @@ func (mi *MessageInput) send() {
 
 		go func() {
 			if _, err := discordState.SendMessageComplex(mainFlex.guildsTree.selectedChannelID, data); err != nil {
-				log.Println("failed to send message:", err)
+				slog.Error("failed to send message", "err", err)
 			}
 		}()
 	} else {
 		go func() {
 			if _, err := discordState.SendMessage(mainFlex.guildsTree.selectedChannelID, text); err != nil {
-				log.Println("failed to send message:", err)
+				slog.Error("failed to send message", "err", err)
 			}
 		}()
 	}
@@ -125,7 +126,7 @@ func (mi *MessageInput) editor() {
 
 	f, err := os.CreateTemp("", constants.TmpFilePattern)
 	if err != nil {
-		log.Println(err)
+		slog.Error("failed to create temporary file", "err", err)
 		return
 	}
 	_, _ = f.WriteString(mi.GetText())
@@ -141,14 +142,14 @@ func (mi *MessageInput) editor() {
 	app.Suspend(func() {
 		err := cmd.Run()
 		if err != nil {
-			log.Println(err)
+			slog.Error("failed to run command", "err", err, "command", cmd)
 			return
 		}
 	})
 
 	msg, err := os.ReadFile(f.Name())
 	if err != nil {
-		log.Println(err)
+		slog.Error("failed to read temporary file", "err", err, "name", f.Name())
 		return
 	}
 

cmd/messages_text.go

@@ -4,7 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"log"
+	"log/slog"
 	"slices"
 	"strings"
 	"time"
@@ -56,7 +56,7 @@ func newMessagesText() *MessagesText {
 func (mt *MessagesText) drawMsgs(cID discord.ChannelID) {
 	ms, err := discordState.Messages(cID, uint(cfg.MessagesLimit))
 	if err != nil {
-		log.Println(err)
+		slog.Error("failed to get messages", "err", err, "channel_id", cID)
 		return
 	}
 
@@ -200,7 +200,7 @@ func (mt *MessagesText) onInputCapture(event *tcell.EventKey) *tcell.EventKey {
 func (mt *MessagesText) _select(name string) {
 	ms, err := discordState.Cabinet.Messages(mainFlex.guildsTree.selectedChannelID)
 	if err != nil {
-		log.Println(err)
+		slog.Error("failed to get messages", "err", err, "channel_id", mainFlex.guildsTree.selectedChannelID)
 		return
 	}
 
@@ -252,13 +252,13 @@ func (mt *MessagesText) _select(name string) {
 func (mt *MessagesText) yank() {
 	msg, err := mt.getSelectedMessage()
 	if err != nil {
-		log.Println(err)
+		slog.Error("failed to get selected message", "err", err)
 		return
 	}
 
 	err = clipboard.WriteAll(msg.Content)
 	if err != nil {
-		log.Println("failed to write to clipboard:", err)
+		slog.Error("failed to write to clipboard", "err", err)
 		return
 	}
 }
@@ -266,7 +266,7 @@ func (mt *MessagesText) yank() {
 func (mt *MessagesText) open() {
 	msg, err := mt.getSelectedMessage()
 	if err != nil {
-		log.Println(err)
+		slog.Error("failed to get selected message", "err", err)
 		return
 	}
 
@@ -278,7 +278,7 @@ func (mt *MessagesText) open() {
 	for _, a := range attachments {
 		go func() {
 			if err := open.Start(a.URL); err != nil {
-				log.Println(err)
+				slog.Error("failed to open URL", "err", err, "url", a.URL)
 			}
 		}()
 	}
@@ -295,7 +295,7 @@ func (mt *MessagesText) reply(mention bool) {
 
 	msg, err := mt.getSelectedMessage()
 	if err != nil {
-		log.Println(err)
+		slog.Error("failed to get selected message", "err", err)
 		return
 	}
 
@@ -309,7 +309,7 @@ func (mt *MessagesText) delete() {
 
 	msg, err := mt.getSelectedMessage()
 	if err != nil {
-		log.Println(err)
+		slog.Error("failed to get selected message", "err", err)
 		return
 	}
 
@@ -330,17 +330,18 @@ func (mt *MessagesText) delete() {
 	}
 
 	if err := discordState.DeleteMessage(mainFlex.guildsTree.selectedChannelID, msg.ID, ""); err != nil {
-		log.Println(err)
+		slog.Error("failed to delete message", "err", err, "channel_id", mainFlex.guildsTree.selectedChannelID, "message_id", msg.ID)
 		return
 	}
 
 	if err := discordState.MessageRemove(mainFlex.guildsTree.selectedChannelID, msg.ID); err != nil {
-		log.Println(err)
+		slog.Error("failed to delete message", "err", err, "channel_id", mainFlex.guildsTree.selectedChannelID, "message_id", msg.ID)
+		return
 	}
 
 	ms, err := discordState.Cabinet.Messages(mainFlex.guildsTree.selectedChannelID)
 	if err != nil {
-		log.Println(err)
+		slog.Error("failed to delete message", "err", err, "channel_id", mainFlex.guildsTree.selectedChannelID)
 		return
 	}
 

cmd/run.go

@@ -1,7 +1,7 @@
 package cmd
 
 import (
-	"log"
+	"log/slog"
 
 	"github.com/ayn2op/discordo/internal/config"
 	"github.com/ayn2op/discordo/internal/logger"
@@ -33,12 +33,14 @@ func Run(token string) error {
 		lf := NewLoginForm(func(token string, err error) {
 			if err != nil {
 				app.Stop()
-				log.Fatal(err)
+				slog.Error("failed to login", "err", err)
+				return
 			}
 
 			if err := openState(token); err != nil {
 				app.Stop()
-				log.Fatal(err)
+				slog.Error("failed to open state", "err", err)
+				return
 			}
 
 			app.SetRoot(mainFlex, true)

cmd/state.go

@@ -2,7 +2,7 @@ package cmd
 
 import (
 	"context"
-	"log"
+	"log/slog"
 	"runtime"
 	"slices"
 
@@ -45,7 +45,7 @@ func openState(token string) error {
 func (s *State) onRequest(r httpdriver.Request) error {
 	req, ok := r.(*httpdriver.DefaultRequest)
 	if ok {
-		log.Printf("method = %s; url = %s\n", req.Method, req.URL)
+		slog.Info("new HTTP request", "method", req.Method, "path", req.URL.Path)
 	}
 
 	return nil

internal/logger/logger.go

@@ -1,7 +1,7 @@
 package logger
 
 import (
-	"log"
+	"log/slog"
 	"os"
 	"path/filepath"
 
@@ -30,12 +30,14 @@ func Load() error {
 		return err
 	}
 
-	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, os.ModePerm)
+	file, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, os.ModePerm)
 	if err != nil {
 		return err
 	}
 
-	log.SetOutput(f)
-	log.SetFlags(log.LstdFlags | log.Lshortfile)
+	l := slog.New(slog.NewTextHandler(file, &slog.HandlerOptions{
+		AddSource: true,
+	}))
+	slog.SetDefault(l)
 	return nil
 }

main.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"flag"
-	"log"
+	"log/slog"
 
 	"github.com/ayn2op/discordo/cmd"
 	"github.com/ayn2op/discordo/internal/constants"
@@ -10,7 +10,6 @@ import (
 )
 
 func main() {
-	// Declare and parse all flags first
 	token := flag.String("token", "", "authentication token")
 	flag.Parse()
 
@@ -18,13 +17,13 @@ func main() {
 	if *token == "" {
 		t, err := keyring.Get(constants.Name, "token")
 		if err != nil {
-			log.Println("failed to get token from keyring:", err)
+			slog.Info("failed to get token from keyring", "err", err)
 		} else {
 			*token = t
 		}
 	}
 
 	if err := cmd.Run(*token); err != nil {
-		log.Fatal(err)
+		slog.Error("failed to run", "err", err)
 	}
 }