Add offline test database protocol

db/init.go

@@ -25,11 +25,21 @@ import (
 	_ "github.com/go-sql-driver/mysql"
 )
 
-var conn *sql.DB
+var conn *sql.DB = nil
+var protocol_type = ""
+
+func GetProtocol() string {
+	return protocol_type
+}
 
 func Init(username string, password string, protocol string, address string, database string) error {
 	var err error
 
+	protocol_type = protocol
+	if protocol == "none" {
+		return nil
+	}
+
 	conn, err = sql.Open("mysql", fmt.Sprintf("%s:%s@%s(%s)/%s?parseTime=true", username, password, protocol, address, database))
 	if err != nil {
 		return err

db/item.go

@@ -44,6 +44,12 @@ type Item struct {
 
 var ErrInvalidID = errors.New("download id not found")
 
+var TEST_ITEM = Item{
+	Name: "missingname",
+	Filename: "missingname.zip",
+	Size: 1337 * (1024 * 1024),
+}
+
 func (i Item) PrettySize() string {
 	return fmt.Sprintf("%.02f MB", float64(i.Size)/1024/1024)
 }
@@ -53,6 +59,13 @@ func (i Item) PrettyName() string {
 }
 
 func GetItemList(ctx context.Context, tag string, query string) ([]Item, error) {
+	if (GetProtocol() == "test") { return []Item{
+		TEST_ITEM,
+		TEST_ITEM,
+		TEST_ITEM,
+		TEST_ITEM,
+	}, nil }
+
 	q := `SELECT p.id, p.name, p.filename, p.description, p.size, p.uploader, COALESCE(p.uploaded, f.modified), s.downloads, s.views 
 	FROM packages p 
 	JOIN stats s ON p.id = s.pid 
@@ -63,6 +76,7 @@ func GetItemList(ctx context.Context, tag string, query string) ([]Item, error)
 	AND modified < TIMESTAMP'2015-01-01 00:00:00' 
 	GROUP BY pid) f 
 	ON p.id = f.pid`
+
 	var args []any
 
 	if tag != "" {
@@ -116,6 +130,8 @@ func GetItemList(ctx context.Context, tag string, query string) ([]Item, error)
 }
 
 func GetItem(ctx context.Context, id int) (Item, error) {
+	if (GetProtocol() == "test") { return TEST_ITEM, nil }
+
 	item := Item{ID: id, Images: make(map[int]string)}
 
 	q := `SELECT p.name, p.filename, p.description, p.size, p.uploader, COALESCE(p.uploaded, f.modified) 

db/tag.go

@@ -21,6 +21,16 @@ package db
 import "context"
 
 func GetPopularTags(ctx context.Context) ([]string, error) {
+	if (GetProtocol() == "test") { return []string{
+		"garrysmod",
+		"1337",
+		"hax",
+		"lol",
+		"lua",
+		"is",
+		"awesome",
+	}, nil }
+
 	var tags []string
 	rows, err := conn.QueryContext(ctx, "SELECT tag FROM tags GROUP BY tag ORDER BY COUNT(*) DESC, tag ASC LIMIT 100")
 	if err != nil {