fixing document module to receive unit, price and tax value from stock item, if provided

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/document/PositionSelector.svelte

@@ -30,23 +30,33 @@
 
     function itemSelected(item){
         let unit_price = null;
+        let unit = t('pieces');
         let description = '';
+        let tax = null;
         for (let prop of item.properties) {
-            if (prop.name.toLowerCase().indexOf(t('price').toLowerCase())>-1){
-                unit_price = 100*prop.value.replace(',','.');
+            let lowerName = prop.name.toLowerCase();
+            if (lowerName.indexOf(t('price').toLowerCase())>-1){
+                unit_price = 100*String(prop.value).replace(',','.');
+            } else if (lowerName.indexOf(t('unit').toLowerCase())>-1){
+                unit = prop.value;
+            } else if (lowerName.indexOf(t('tax_rate').toLowerCase())>-1 && prop.unit=='%'){
+                tax = prop.value;
             } else {
                 description += `* ${prop.name}: ${prop.value}\n`;
             }
         }
 
-        select({
+        var data = {
             item_code   : item.code,
             title       : item.name,
             description : description,
             amount      : 1,
-            unit        : t('pieces'),
+            unit        : unit,
             unit_price  : unit_price
-        });
+        };
+        if (tax) data['tax'] = tax;
+
+        select(data);
     }
 
     function timeSelected(time){

stock/src/main/java/de/srsoftware/umbrella/stock/SqliteDb.java

@@ -144,7 +144,7 @@ public class SqliteDb extends BaseDb implements StockDb {
 
 	private void createPropertiesTable() {
 		try {
-			var sql = "CREATE TABLE IF NOT EXISTS {0} ( {1} LONG PRIMARY KEY, {2} VARCHAR(255) NOT NULL, {3} INT NOT NULL, {4} VARCHAR(255))";
+			var sql = "CREATE TABLE IF NOT EXISTS {0} ( {1} INTEGER PRIMARY KEY, {2} VARCHAR(255) NOT NULL, {3} INT NOT NULL, {4} VARCHAR(255))";
 			sql = format(sql, TABLE_PROPERTIES, ID, NAME, TYPE, UNIT);
 			db.prepareStatement(sql).execute();
 		} catch (SQLException e) {