Database error handling.

core/autoform.h

@@ -8,10 +8,13 @@
 #include <QMetaMethod>
 #include <QDebug>
 #include <QVariant>
+#include <QMessageBox>
 
 #include "iform.h"
 #include "service.h"
 #include "ivalidator.h"
+#include "iservice.h"
+#include "iplugin.h"
 
 
 template <class T>
@@ -20,6 +23,8 @@ class AutoForm : public IForm
 public:
     explicit AutoForm(QWidget *parent = 0) : IForm(parent) {
         m_newRec = false;
+        m_serviceConnected = false;
+        m_saved = false;
     }
 
     virtual ~AutoForm() {
@@ -93,14 +98,54 @@ public slots:
             return false;
         }
 
-        if (m_newRec) {
-            emit recordAdded();
-        } else {
-            emit recordUpdated();
+        if (!m_serviceConnected)
+        {
+            connect(service(), &IService::dbError, [this](QString msg) {
+                QMessageBox::critical(this, tr("Database error"), tr(msg.toStdString().c_str()));
+                m_saved = false;
+            });
+            connect(service(), &IService::dataChanged, [this]() {
+                m_saved = true;
+            });
+            m_serviceConnected = true;
         }
 
-        return true;
+        if (m_newRec) {
+            service()->save(entity());
+            if (m_saved)
+            {
+                emit recordAdded();
+            }
+        } else {
+            service()->update(entity());
+            if (m_saved)
+            {
+                emit recordUpdated();
+            }
+        }
+
+        return m_saved;
     }
+
+private:
+    Service<T> *service() {
+        IPlugin *plugin = Context::instance().plugin(pluginId());
+        if (plugin == NULL) {
+            Q_ASSERT(false);
+            return NULL;
+        }
+
+        Service<T> *service = plugin->service<T>();
+        if (service == NULL) {
+            Q_ASSERT(false);
+            return NULL;
+        }
+
+        return service;
+    }
+
+    bool m_serviceConnected;
+    bool m_saved;
 };
 
 #endif // AUTOFORM_H