Add support for aliased EANs

Some products are sold under different EANs (e.g. per-country EANs).
The alias table can be used to map multiple EANs to a single product.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/database/db-interface.vala b/src/database/db-interface.vala
index b61cba7..d469743 100644
--- a/src/database/db-interface.vala
+++ b/src/database/db-interface.vala
@@ -55,6 +55,9 @@ public interface Database : Object {
 	public abstract void cashbox_add(int user, Price amount, int64 timestamp) throws IOError, DatabaseError;
 	public abstract CashboxDiff[] cashbox_history() throws IOError;
 	public abstract CashboxDiff[] cashbox_changes(int64 start, int64 stop) throws IOError;
+	public abstract void ean_alias_add(uint64 ean, uint64 real_ean) throws IOError, DatabaseError;
+	public abstract uint64 ean_alias_get(uint64 ean) throws IOError;
+	public abstract EanAlias[] ean_alias_list() throws IOError;
 }
 
 public struct StockEntry {
@@ -141,6 +144,11 @@ public struct CashboxDiff {
 	public int64 timestamp;
 }
 
+public struct EanAlias {
+	public uint64 ean;
+	public uint64 real_ean;
+}
+
 public struct StatsInfo {
 	public int count_articles;
 	public int count_users;