Add inventory transaction editing and deletion

config/Reports/itemtransactions.xml

                     }, 0));
                     output.writeEndElement();
                     output.writeEndElement();
-                    query.prepare("SELECT time::date, type, quantity / :c1, balance / :c2, (SELECT files FROM roasting_log WHERE roasting_log.time = item_history.time AND item = ANY(unroasted_id)), (SELECT invoice_id FROM invoice_items WHERE item = item_id AND item_history.type = 'PURCHASE'), (SELECT vendor || ' ' || invoice FROM invoices WHERE id = (SELECT invoice_id FROM invoice_items WHERE item = item_id AND item_history.type = 'PURCHASE')), (SELECT name FROM items WHERE id = (SELECT roasted_id FROM roasting_log WHERE roasting_log.time = item_history.time AND item = ANY(unroasted_id))), customer, reason, (SELECT person FROM transactions WHERE time = item_history.time AND item = item_history.item), (SELECT machine || '@' || time FROM roasting_log WHERE roasting_log.time = item_history.time AND item = ANY(unroasted_id)) AS link FROM item_history(:item) WHERE time >= :sd AND time < :ed ::date + interval '1 day'");
+                    query.prepare("SELECT time::date, type, quantity / :c1, balance / :c2, (SELECT files FROM roasting_log WHERE roasting_log.time = item_history.time AND item = ANY(unroasted_id)), (SELECT invoice_id FROM invoice_items WHERE item = item_id AND item_history.type = 'PURCHASE'), (SELECT vendor || ' ' || invoice FROM invoices WHERE id = (SELECT invoice_id FROM invoice_items WHERE item = item_id AND item_history.type = 'PURCHASE')), (SELECT name FROM items WHERE id = (SELECT roasted_id FROM roasting_log WHERE roasting_log.time = item_history.time AND item = ANY(unroasted_id))), customer, reason, (SELECT person FROM transactions WHERE time = item_history.time AND item = item_history.item), (SELECT machine || '@' || time FROM roasting_log WHERE roasting_log.time = item_history.time AND item = ANY(unroasted_id)) AS link, time::text FROM item_history(:item) WHERE time >= :sd AND time < :ed ::date + interval '1 day'");
                     query.bind(":sd", startDate);
                     query.bind(":ed", endDate);
                     switch(unitBox.currentIndex)
                             output.writeTextElement("td", (Number(query.value(2)).toFixed(prec)));
                         }
                         output.writeTextElement("td", (Number(query.value(3)).toFixed(prec)));
-                                prev_balance = query.value(3);
+                        prev_balance = query.value(3);
                         if(query.value(1) == "PURCHASE") {
                             output.writeStartElement("td");
                             output.writeStartElement("a");
                             output.writeTextElement("td", query.value(9));
                         } else if(query.value(1) == "SALE") {
                             output.writeTextElement("td", query.value(8));
-                        } else {
+                        } else if(query.value(1) == "INVENTORY") {
+							output.writeStartElement("td");
+							output.writeStartElement("a");
+							output.writeAttribute("href", "typica://script/n/" + itemBox.currentData() + "@" + query.value(12));
+							output.writeCDATA("Edit");
+							output.writeEndElement();
+							output.writeEndElement();
+						} else {
                             output.writeTextElement("td", "");
                         }
 						output.writeTextElement("td", query.value(10));
                 var details = createWindow("batchDetails");
                 details.loadBatch(key[0], key[1]);
             };
+			/* Open inventory transaction editor */
+			var openInventory = function(url) {
+				var arg = decodeURI(url.slice(2, url.length));
+				var key = arg.split("@");
+				var editor = createWindow("editinventorytransaction");
+				editor.loadTransaction(key[0], key[1]);
+			};
             view.scriptLinkClicked.connect(function(url) {
                 var linkType = url[0];
                 switch(linkType) {
                     case 'b':
                         openProfile(url);
                         break;
+					case 'n':
+						openInventory(url);
+						break;
                 }
             });
         ]]>

config/Windows/editinventorytransaction.xml

+<window id="editinventorytransaction">
+	<layout type="vertical">
+		<layout type="horizontal">
+			<label>Time:</label>
+			<line id="time" writable="false" />
+			<label>Item:</label>
+			<line id="item" writable="false" />
+			<label>Quantity:</label>
+			<line id="quantity" />
+		</layout>
+		<layout type="horizontal">
+			<button id="delete" name="Delete Transaction" type="push" />
+			<stretch />
+			<button id="save" name="Save Changes" type="push" />
+		</layout>
+	</layout>
+	<program>
+		<![CDATA[
+			var window = this;
+			var w = window;
+			this.windowTitle = TTR("editinventorytransaction", "Typica - Edit Inventory Transaction");
+			timeField = findChildObject(this, 'time');
+			itemField = findChildObject(this, 'item');
+			quantityField = findChildObject(this, 'quantity');
+			deleteButton = findChildObject(this, 'delete');
+			saveButton = findChildObject(this, 'save');
+			this.loadTransaction = function(item, timestamp) {
+				w.itemID = item;
+				w.timestamp = timestamp;
+				timeField.text = timestamp;
+				itemField.text = item;
+				var query = new QSqlQuery();
+				query.prepare("SELECT quantity FROM inventory WHERE time = :timestamp AND item = :item");
+				query.bind(":timestamp", timestamp);
+				query.bind(":item", item);
+				query.exec();
+				if(query.next()) {
+					quantityField.text = query.value(0);
+				}
+                query = query.invalidate();
+			};
+			saveButton.clicked.connect(function() {
+				var query = new QSqlQuery();
+				query.prepare("UPDATE inventory SET quantity = :quantity WHERE item = :item AND time = :timestamp");
+				query.bind(":quantity", Number(quantityField.text));
+				query.bind(":item", Number(itemField.text));
+				query.bind(":timestamp", timeField.text);
+				query.exec();
+				query.prepare("UPDATE items SET quantity = (SELECT balance FROM item_history(:item) ORDER BY time DESC LIMIT 1) WHERE id = :item2");
+				query.bind(":item", Number(itemField.text));
+				query.bind(":item2", Number(itemField.text));
+				query.exec();
+				query = query.invalidate();
+				window.close();
+			});
+			deleteButton.clicked.connect(function() {
+				var query = new QSqlQuery();
+				query.prepare("DELETE FROM inventory WHERE item = :item AND time = :timestamp");
+				query.bind(":item", Number(itemField.text));
+				query.bind(":timestamp", timeField.text);
+				query.exec();
+				query.prepare("UPDATE items SET quantity = (SELECT balance FROM item_history(:item) ORDER BY time DESC LIMIT 1) WHERE id = :item2");
+				query.bind(":item", Number(itemField.text));
+				query.bind(":item2", Number(itemField.text));
+				query.exec();
+				query = query.invalidate();
+				window.close();
+			});
+		]]>
+	</program>
+</window>

config/config.xml

     <include src="Windows/roastspec.xml" />
 	<include src="Windows/manuallogentry.xml" />
     <include src="Windows/schedule.xml" />
+	<include src="Windows/editinventorytransaction.xml" />
     <program>
         <![CDATA[
             Windows = new Object();