X-Git-Url: https://git.toastfreeware.priv.at/toast/confclerk.git/blobdiff_plain/c79026865de7bff94ba081df55a4826a8b560d7d..4bf728f7906e7c5fd5ae5bfc5a0a4b26804ce97e:/src/orm/ormrecord.h

diff --git a/src/orm/ormrecord.h b/src/orm/ormrecord.h
index d14b861..85d32c2 100644
--- a/src/orm/ormrecord.h
+++ b/src/orm/ormrecord.h
@@ -1,3 +1,22 @@
+/*
+ * Copyright (C) 2010 Ixonos Plc.
+ * Copyright (C) 2011 Philipp Spitzer, gregor herrmann
+ *
+ * This file is part of ConfClerk.
+ *
+ * ConfClerk is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * ConfClerk is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #ifndef ORMRECORD_H
 #define ORMRECORD_H
 
@@ -9,35 +28,28 @@
 #include <QDateTime>
 #include <QDebug>
 
-// INFO:
-// all record items/columns may be defined in one table (1.), or
-// they can be splitted in two separate tables (2.) (eg. for FTS support)
-// 1.) you have to define "static QString const sTableName"
-// 2.) you have to define two table names:
-//     "static QString const sTable1Name"
-//     "static QString const sTable2Name"
-// and since all record items/columns are handled by one QSqlRecord,
-// you have to also define number of columns that belongs to table 1 (1.), and table 2 (2.)
-// 1.) "static int const sTable1ColCount"
-// 2.) "static int const sTable2ColCount"
-// there are also defined auxiliary methods for 1-Table/2-Tables approach, see bellow
-
 class OrmException
 {
+public:
+    OrmException(const QString& text) : mText(text) {}
+    virtual ~OrmException(){}
+    virtual const QString& text() const { return mText; }
+private:
+    QString mText;
 };
 
-class OrmNoObjectException : OrmException
+class OrmNoObjectException : public OrmException
 {
+public:
+    OrmNoObjectException() : OrmException("No object exception"){}
+    ~OrmNoObjectException(){}
 };
 
-class OrmSqlException : OrmException
+class OrmSqlException : public OrmException
 {
 public:
-    OrmSqlException(const QString& text) : mText(text) {}
-    QString text() const { return mText; }
-
-private:
-    QString mText;
+    OrmSqlException(const QString& text) : OrmException( QString("Sql error: ") + text ) {}
+    ~OrmSqlException(){}
 };
 
 template <typename T>
@@ -61,9 +73,6 @@ protected:
     static QString columnsForSelect(const QString& prefix = QString());
     static QString selectQuery();
     static QString updateQuery();
-    // record items/columns are stored in two tables
-    static QString columnsForSelectJoin2T(); // for joining two tables
-    static QString selectQueryJoin2T(const QString &key); // for joining two tables
 
     static QVariant convertToC(QVariant value, QVariant::Type colType);
     static QVariant convertToDb(QVariant value, QVariant::Type colType);
@@ -84,8 +93,8 @@ T OrmRecord<T>::hydrate(const QSqlRecord& record)
 }
 
 // updates specified column 'col'
-// if the value is not specified  as an argument,
-// it's taken from the reford itself
+// if the value is not specified as an argument,
+// it's taken from the record itself
 // see also: setValue() method for more details
 template <typename T>
 void OrmRecord<T>::update(QString col, QVariant value)
@@ -97,7 +106,6 @@ void OrmRecord<T>::update(QString col, QVariant value)
     else // take 'col' value from the record; see setValue()
         query.bindValue(":col", convertToDb(this->value(col), this->value(col).type()));
     query.bindValue(":id", this->value("id"));
-    //query.bindValue(":id", convertToDb(value("id"), QVariant::Int));
     query.exec();
 }
 
@@ -120,13 +128,13 @@ T OrmRecord<T>::loadOne(QSqlQuery query)
     {
         if (!query.exec())
         {
-            throw new OrmSqlException(query.lastError().text());
+            throw OrmSqlException(query.lastError().text());
         }
     }
 
     if (!query.next())
     {
-        throw new OrmNoObjectException();
+        throw OrmNoObjectException();
     }
 
     return hydrate(query.record());
@@ -139,7 +147,8 @@ QList<T> OrmRecord<T>::load(QSqlQuery query)
     {
         if (!query.exec())
         {
-            throw new OrmSqlException(query.lastError().text());
+            qDebug() << "Error: " << query.lastError().driverText() << "; Type: " << query.lastError().type();
+            throw OrmSqlException(query.lastError().text());
         }
     }
 
@@ -148,7 +157,6 @@ QList<T> OrmRecord<T>::load(QSqlQuery query)
     {
         objects << hydrate(query.record());
     }
-
     return objects;
 }
 
@@ -165,55 +173,25 @@ QString OrmRecord<T>::columnsForSelect(const QString& prefix)
     return prefixedColumns.join(",");
 }
 
-template <typename T>
-QString OrmRecord<T>::columnsForSelectJoin2T()
-{
-    Q_ASSERT((T::sTable1ColCount+T::sTable2ColCount) == T::sColumns.count());
-
-    QStringList prefixedColumns;
-    for (int i=0; i<T::sTable1ColCount; i++)
-    {
-        prefixedColumns.append(QString("%1.%2").arg(T::sTable1Name, T::sColumns.field(i).name()));
-    }
-    for (int j=0; j<T::sTable2ColCount; j++)
-    {
-        prefixedColumns.append(QString("%1.%2").arg(T::sTable2Name, T::sColumns.field(T::sTable1ColCount+j).name()));
-    }
-    return prefixedColumns.join(",");
-}
-
 template <typename T>
 QString OrmRecord<T>::selectQuery()
 {
     return QString("SELECT %1 FROM %2 ").arg(columnsForSelect(), T::sTableName);
 }
 
-template <typename T>
-QString OrmRecord<T>::selectQueryJoin2T(const QString &key)
-{
-    return QString("SELECT %1 FROM %2 INNER JOIN %3 ON %4.%5 = %6.%7 ").arg(
-            columnsForSelectJoin2T(),
-            T::sTable1Name,
-            T::sTable2Name,
-            T::sTable1Name,
-            key,
-            T::sTable2Name,
-            key);
-}
-
 template <typename T>
 QString OrmRecord<T>::updateQuery()
 {
-    return QString("UPDATE %1 ").arg(T::sTable1Name);
+    return QString("UPDATE %1 ").arg(T::sTableName);
 }
 
 template <typename T>
 QSqlRecord OrmRecord<T>::toRecord(const QList<QSqlField> & columnList)
 {
     QSqlRecord record;
-    foreach (const QSqlField & col, columnList)
+    for(int i=0; i< columnList.count(); i++)
     {
-        record.append(col);
+        record.append(columnList[i]);
     }
     return record;
 }