Add structs and corresponding API routes

struct/room.go

@@ -0,0 +1,74 @@
+package ckh
+
+import ()
+
+type Room struct {
+	Id    int64  `json:"id"`
+	Label string `json:"label"`
+}
+
+func GetRooms() (rooms []Room, err error) {
+	if rows, errr := DBQuery("SELECT id_room, label FROM rooms"); errr != nil {
+		return nil, errr
+	} else {
+		defer rows.Close()
+
+		for rows.Next() {
+			var r Room
+			if err = rows.Scan(&r.Id, &r.Label); err != nil {
+				return
+			}
+			rooms = append(rooms, r)
+		}
+		if err = rows.Err(); err != nil {
+			return
+		}
+
+		return
+	}
+}
+
+func GetRoom(id int64) (r Room, err error) {
+	err = DBQueryRow("SELECT id_room, label FROM rooms WHERE id_room = ?", id).Scan(&r.Id, &r.Label)
+	return
+}
+
+func NewRoom(label string) (Room, error) {
+	if res, err := DBExec("INSERT INTO rooms (label) VALUES (?)", label); err != nil {
+		return Room{}, err
+	} else if rid, err := res.LastInsertId(); err != nil {
+		return Room{}, err
+	} else {
+		return Room{rid, label}, nil
+	}
+}
+
+func (r Room) Update() (int64, error) {
+	if res, err := DBExec("UPDATE rooms SET label = ? WHERE id_room = ?", r.Label, r.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
+func (r Room) Delete() (int64, error) {
+	if res, err := DBExec("DELETE FROM rooms WHERE id_room = ?", r.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
+func ClearRooms() (int64, error) {
+	if res, err := DBExec("DELETE FROM rooms"); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}