From dc5387b63c76703f128213ddd81f975a910a53a6 Mon Sep 17 00:00:00 2001
From: giomba <giomba@linux.it>
Date: Fri, 16 Aug 2019 15:50:00 +0200
Subject: [PATCH] Global unique database connection

this looks like the way qt should work, and doing otherwise (creating
and destroyng continuously the connection) gives a lot of warnings at
runtime
---
 nicolodi/EditWindow.cpp | 1 -
 nicolodi/Pin.cpp        | 9 ++-------
 nicolodi/main.cpp       | 4 +++-
 3 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/nicolodi/EditWindow.cpp b/nicolodi/EditWindow.cpp
index d88b829..2b25cfe 100644
--- a/nicolodi/EditWindow.cpp
+++ b/nicolodi/EditWindow.cpp
@@ -5,7 +5,6 @@ EditWindow::EditWindow(int idSocio, QWidget* parent) : QMainWindow(parent), ui(n
     ui->setupUi(this);
 
     if (!db.open()) {
-        // QMessageBox::critical(this, "Nicolodi", "Problemi con la connessione al db");
         showError(db.lastError());
         this->doNotShow = true;
         return;
diff --git a/nicolodi/Pin.cpp b/nicolodi/Pin.cpp
index d73d1c1..4bbaf9d 100644
--- a/nicolodi/Pin.cpp
+++ b/nicolodi/Pin.cpp
@@ -2,10 +2,7 @@
 #include "ui_Pin.h"
 #include "EditWindow.h"
 
-Pin::Pin(QWidget *parent) :
-    QDialog(parent),
-    ui(new Ui::Pin)
-{
+Pin::Pin(QWidget *parent) : QDialog(parent), ui(new Ui::Pin) {
     ui->setupUi(this);
 
     // Imposta la dialog come non ingrandibile/riducibile
@@ -30,8 +27,6 @@ void Pin::on_pushButtonOk_clicked()
     bool questionarioAbilitato;
     QString pin = ui->lineEditPin->text();
 
-    connectDatabase();
-
     if (db.open()) {
         query = QSqlQuery(db);
         query.prepare("SELECT id, abilitaQuestionario FROM socio WHERE pin = :pin");
@@ -60,7 +55,7 @@ void Pin::on_pushButtonOk_clicked()
         // sono risorse preziose che si devono aprire, usare per il minor
         // tempo possibile e quindi chiudere
         query.clear();
-        db.close();
+        //db.close();
     } else {
         QMessageBox::critical(this, "Nicolodi", "Impossibile connettersi al database, verificare impostazioni.");
     }
diff --git a/nicolodi/main.cpp b/nicolodi/main.cpp
index 623b8ff..a6b2e95 100644
--- a/nicolodi/main.cpp
+++ b/nicolodi/main.cpp
@@ -4,7 +4,9 @@
 
 int main(int argc, char *argv[]) {
     QApplication a(argc, argv);
-    // MainWindow w;
+
+    connectDatabase();
+
     Pin w;
     w.show();