Generating username

2023-05-20 19:01:03 -04:00
parent d75900e9ed
commit 9f7628b394
3 changed files with 36 additions and 3 deletions
@@ -21,7 +21,7 @@ void GenerateConfirmation( char * number, int sz )

 void GenerateConfirmationSeed( char * number, int sz, int seed )
 {
-        char chars[] = "WRB01234WRB56789WRB";
+        char chars[] = "WRB01234WRB56789WRBXQFDTYP";
        int n = sizeof(chars);
        int i;
 /*
@@ -99,3 +99,30 @@ void GetOfferCode( unsigned long  offer_id, char * number, int sz )
 	pgsql_exec("COMMIT" );         // Unlock table 'data'
 	strsafecpy( number, offer_code, sz );
 }
+
+
+void SetFamilyUsername( unsigned long  family_id, char * number, int sz )
+{
+	SQLINTEGER rows;
+	char family_username[14];
+
+   // Lock table to prevent generation of two identical username
+	pgsql_exec("BEGIN; LOCK TABLE members_family;" );
+	int i = 0;
+	do
+	{
+		GenerateConfirmationSeed( family_username, sizeof(family_username), i++ );
+
+        	//st.CloseCursor();
+			rows = 0;
+			const PGresult *res = pgsql_query("SELECT id FROM members_family WHERE username='%s'", family_username );
+			if (res!=NULL )
+			{
+			    rows = pgsql_num_rows(res);
+			}
+	} while ( rows>0 && i<100 );
+
+	pgsql_exec("UPDATE members_family SET username='%s' WHERE id=%lu", family_username, family_id );
+	pgsql_exec("COMMIT" );         // Unlock table 'data'
+	strsafecpy( number, family_username, sz );
+}