feat: add DbHandler and helpers for database operations with logging and utility functions

apps/backend/db/handler.go

@@ -1,8 +1,8 @@
-package main
+package db
 
 import (
-	"backend/dbhelpers"
 	"backend/typedefs"
+	"backend/utils"
 	"context"
 	"fmt"
 	"log/slog"
@@ -35,7 +35,7 @@ func NewDbHandler() *DbHandler {
 	if err != nil {
 		panic(err)
 	}
-	config.ConnConfig.Tracer = dbhelpers.NewMultiQueryTracer(dbhelpers.NewLoggingQueryTracer(slog.Default()))
+	config.ConnConfig.Tracer = NewMultiQueryTracer(NewLoggingQueryTracer(slog.Default()))
 
 	config.AfterConnect = func(ctx context.Context, conn *pgx.Conn) error {
 		pgxuuid.Register(conn.TypeMap())
@@ -88,7 +88,7 @@ func (h *DbHandler) InsertAnnunciInDB(annunci typedefs.AnnunciParsed) {
 	batch := &pgx.Batch{}
 	for _, annuncio := range annunci.Annuncio {
 
-		if contains(codici, annuncio.Codice) {
+		if utils.Contains(codici, annuncio.Codice) {
 			batch.Queue(`
 			 UPDATE public.annunci
 			SET locatore = $1,
@@ -225,15 +225,6 @@ func (h *DbHandler) InsertAnnunciInDB(annunci typedefs.AnnunciParsed) {
 
 }
 
-func contains(s []string, str string) bool {
-	for _, v := range s {
-		if v == str {
-			return true
-		}
-	}
-	return false
-}
-
 func (h *DbHandler) ClearRecords() {
 
 	//SET ALL WEB TO FALSE

apps/backend/db/helpers.go

@@ -1,4 +1,4 @@
-package dbhelpers
+package db
 
 import (
 	"context"

apps/backend/server.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"backend/db"
 	storagehandlers "backend/storage_handlers"
 	"fmt"
 	"io"
@@ -23,7 +24,7 @@ var (
 	imageOption      bool
 	concurrentImages int = 1
 	storagepath      string
-	Db               *DbHandler
+	Db               *db.DbHandler
 	Miogest          *MiogestHandler
 	ImageManager     *ImageRefManager
 	Storage          storagehandlers.StorageHandler
@@ -63,7 +64,7 @@ func main() {
 	}
 
 	// SETUP DATABASE HANDLER
-	Db = NewDbHandler()
+	Db = db.NewDbHandler()
 	if Db == nil {
 		log.Fatal("Error connecting to db")
 	}