Added Image metadata and made spice lvl editable

Also added db support

db/db.go

@@ -0,0 +1,58 @@
+package db
+
+import (
+	"Advertisement_Panel/config"
+	"database/sql"
+	"fmt"
+	"log"
+
+	_ "github.com/lib/pq"
+)
+
+type ImagesEntry struct {
+	ID         int    `json:"id"`
+	Path       string `json:"path"`
+	SpiceLevel int    `json:"spice_level"`
+}
+
+var DB *sql.DB
+
+func Init() {
+	log.Println("Initializing database connection...")
+	connStr := fmt.Sprintf("host=%s port=%s user=%s "+
+		"password=%s dbname=%s sslmode=disable",
+		config.Cfg.DB.Host, config.Cfg.DB.Port, config.Cfg.DB.Username, config.Cfg.DB.Password, config.Cfg.DB.Db)
+	log.Println(connStr)
+	var err error
+
+	DB, err = sql.Open("postgres", connStr)
+
+	if err != nil {
+		log.Println("Error connecting to the database: ", err)
+	}
+}
+
+func GetImageMetadata() []ImagesEntry {
+	rows, err := DB.Query("SELECT id, path, spice_level FROM images")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer rows.Close()
+
+	var data []ImagesEntry
+
+	for rows.Next() {
+		var id int
+		var path string
+		var spiceLevel int
+		if err := rows.Scan(&id, &path, &spiceLevel); err != nil {
+			log.Fatal(err)
+		}
+
+		data = append(data, ImagesEntry{ID: id, Path: path, SpiceLevel: spiceLevel})
+	}
+	if err := rows.Err(); err != nil {
+		log.Fatal(err)
+	}
+	return data
+}