Support downloading resources from CDN server

Signed-off-by: Yuan Si <do4suki@gmail.com>

tools/download_db.go

@@ -0,0 +1,62 @@
+package tools
+
+import (
+	"database/sql"
+	"fmt"
+	"os"
+	"strings"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+func GenDownloadDb() {
+	// Create table
+	// sql := `CREATE TABLE "main"."download_db" (
+	// 	"id" integer NOT NULL,
+	// 	"pkg_type" integer,
+	// 	"pkg_id" integer,
+	// 	"pkg_order" integer,
+	// 	"pkg_size" integer,
+	// 	PRIMARY KEY ("id")
+	//   )`
+	db, err := sql.Open("sqlite3", "assets/main.db")
+	if err != nil {
+		panic(err)
+	}
+	defer db.Close()
+
+	fileLists, err := os.ReadDir("F:/sif_dl/list_CN_Android")
+	if err != nil {
+		panic(err)
+	}
+	for _, v := range fileLists {
+		if v.IsDir() {
+			panic(err)
+		}
+		fileList := "F:/sif_dl/list_CN_Android/" + v.Name()
+		fileStat, err := os.Stat(fileList)
+		if err != nil {
+			panic(err)
+		}
+		pkgSize := fileStat.Size()
+		fileInfo := strings.Split(strings.ReplaceAll(v.Name(), ".zip", ""), "_")
+		pkgType, pkgId, pkgOrder := fileInfo[0], fileInfo[1], fileInfo[2]
+		fmt.Printf("%s - %s - %s - %d\n", pkgType, pkgId, pkgOrder, pkgSize)
+
+		stmt, err := db.Prepare("INSERT INTO download_db(pkg_type,pkg_id,pkg_order,pkg_size) VALUES (?,?,?,?)")
+		if err != nil {
+			panic(err)
+		}
+
+		res, err := stmt.Exec(pkgType, pkgId, pkgOrder, pkgSize)
+		if err != nil {
+			panic(err)
+		}
+
+		id, err := res.LastInsertId()
+		if err != nil {
+			panic(err)
+		}
+		fmt.Println("LastInsertId:", id)
+	}
+}

tools/tools.go

@@ -9,4 +9,5 @@ func init() {
 	LoadApi3Data("assets/api3.json")
 	// ListUnitData()
 	// go SyncNotesList()
+	// GenDownloadDb()
 }