added logging

src/main.go

@@ -5,6 +5,8 @@ import (
 	"embed"
 	"flag"
 	"fmt"
+	"log"
+	"log/slog"
 	"os"
 
 	_ "github.com/mattn/go-sqlite3"
@@ -18,6 +20,7 @@ import (
 var migrations embed.FS
 
 var host = flag.String("host", "127.0.0.1:8000", "Set the web server host address.")
+var debug = flag.Bool("debug", false, "Enable debug mode.")
 
 const POSITIONAL_ARGS_HELP = `
 Valid commands:
@@ -33,12 +36,21 @@ func main() {
 		os.Exit(1)
 	}
 
+	f, err := os.OpenFile("mmaschedule.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
+	if err != nil {
+		fmt.Println("Error opening file:", err)
+		os.Exit(1)
+	}
+
+	defer f.Close()
+	log.SetOutput(f)
+
 	cmd := flag.Args()[0]
 
 	client := NewScraperClient()
 	queries, err := InitDb("db.sqlite")
 	if err != nil {
-		fmt.Println("Error initializing database:", err)
+		slog.Error("Error initializing database", "error", err)
 		return
 	}
 
@@ -47,7 +59,7 @@ func main() {
 		go ScrapeEventsLoop(queries, client, true)
 		err = RunServer(*host, queries)
 		if err != nil {
-			fmt.Println("Error starting web server:", err)
+			slog.Error("Error starting web server:", "error", err)
 		}
 	case "scrape":
 		ScrapeEvents(queries, client, true)

src/orchestrator.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"context"
-	"fmt"
+	"log/slog"
 	"mmaschedule-go/event"
 	"time"
 )
@@ -24,7 +24,7 @@ func ScrapeEvents(q *event.Queries, client ClientScraper, tapology bool) {
 	for _, scraper := range scrapers {
 		e, err := scraper(client)
 		if err != nil {
-			fmt.Println("Error scraping events:", err)
+			slog.Error("Error scraping events", "error", err)
 		} else {
 			events = append(events, *e...)
 		}
@@ -37,7 +37,7 @@ func ScrapeEvents(q *event.Queries, client ClientScraper, tapology bool) {
 	if len(events) > 0 {
 		err := q.UpsertEvents(context.Background(), events)
 		if err != nil {
-			fmt.Println("Error updating events in database:", err)
+			slog.Error("Error updating events in database:", "error", err)
 		}
 	}
 }
@@ -45,7 +45,7 @@ func ScrapeEvents(q *event.Queries, client ClientScraper, tapology bool) {
 func UpdateTapology(q *event.Queries, client ClientScraper, events *[]*event.Event) {
 	err := SetTapologyCSRF(client)
 	if err != nil {
-		fmt.Println("Error settings tapology CSRF:", err)
+		slog.Error("Error settings tapology CSRF:", "error", err)
 	}
 
 	for _, e := range *events {
@@ -56,21 +56,21 @@ func UpdateTapology(q *event.Queries, client ClientScraper, events *[]*event.Eve
 				f.FighterB,
 			}
 			for _, ff := range fighters {
-				fmt.Println("Getting tapology link for", ff.Name)
+				slog.Debug("Getting tapology link", "name", ff.Name)
 				tapology, err := q.GetTapology(context.Background(), ff.Name)
 				if err != nil {
-					fmt.Println("Error getting tapology from database:", err)
+					slog.Error("Error getting tapology from database", "error", err)
 					link, err := GetTapologyLink(client, ff.Name)
 					if err != nil {
-						fmt.Println("Error getting tapology from site:", err)
+						slog.Error("Error getting tapology from site", "error", err)
 					} else if len(link) > 0 {
 						err := q.CreateTapology(context.Background(), event.CreateTapologyParams{Name: ff.Name, Url: link})
 						if err != nil {
-							fmt.Println("Error creating tapology in database:", err)
+							slog.Error("Error creating tapology in database", "error", err)
 						}
 						ff.Link = link
 					}
-                    time.Sleep(time.Duration(5) * time.Second)
+					time.Sleep(time.Duration(5) * time.Second)
 				} else {
 					ff.Link = tapology.Url
 				}

src/scrapers.go

@@ -3,7 +3,7 @@ package main
 import (
 	"encoding/json"
 	"fmt"
-	"log"
+	"log/slog"
 	"net/http"
 	"net/url"
 	"regexp"
@@ -56,7 +56,7 @@ func ScrapeONE(client ClientScraper) (*[]*event.Event, error) {
 		err := ScrapeONEEvent(client, &e)
 
 		if err != nil {
-			log.Println(err)
+			slog.Error("Error scraping ONE event", "error", err)
 			return
 		}
 
@@ -159,7 +159,7 @@ func ScrapeUFC(client ClientScraper) (*[]*event.Event, error) {
 			}
 			err := ScrapeUFCEvent(client, &e)
 			if err != nil {
-				log.Println(err)
+				slog.Error("Error scraping UFC event", "error", err)
 			} else if e.Fights != "null" {
 				events = append(events, &e)
 			}