Revision b0b8dac3
Von Christian Ehringfeld vor etwa 9 Jahren hinzugefügt
| src/entitymanager.cpp | ||
|---|---|---|
|
}
|
||
|
}
|
||
|
|
||
|
qint8 EntityManager::count(Entity* entity, bool ignoreID) {
|
||
|
qint8 rc = 0;
|
||
|
QSqlQuery q = this->db->getQuery("SELECT COUNT(*) FROM " + entity->getTablename() + this->where(entity->getAttributeValues(),"AND",ignoreID));
|
||
|
this->bindValues(entity->getAttributeValues(),q);
|
||
|
this->db->select(q);
|
||
|
if(q.next()) {
|
||
|
rc = q.value(0).toInt();
|
||
|
}
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
QString EntityManager::buildCreateQuery(QHash<QString,QVariant>::const_iterator i, QHash<QString,QVariant>::const_iterator end, QString &p1, QString &p2) {
|
||
|
bool first = true;
|
||
|
while(i != end) {
|
||
|
if(!first) {
|
||
|
p1 += ",";
|
||
|
p2 += ",";
|
||
|
} else {
|
||
|
first = false;
|
||
|
}
|
||
|
p1 += i.key();
|
||
|
p2 += ":"+i.key();
|
||
|
++i;
|
||
|
}
|
||
|
p1 += ")";
|
||
|
p2 += ");";
|
||
|
return p1 + p2;
|
||
|
}
|
||
|
|
||
|
bool EntityManager::create(Entity *entity) {
|
||
|
bool rc = false;
|
||
|
if(this->checkTable(entity) && this->count(entity) == 0) {
|
||
|
QSqlQuery q = this->db->getQuery();
|
||
|
QString p1 = "INSERT INTO " + entity->getTablename() + "(";
|
||
|
QString p2 = "VALUES(";
|
||
|
entity->setId(this->db->getLastId());
|
||
|
if(!entity->getAttributeValues()->isEmpty()) {
|
||
|
q.prepare(this->buildCreateQuery(entity->getAttributeValues()->constBegin(),entity->getAttributeValues()->constEnd(),p1,p2));
|
||
|
}
|
||
|
this->bindValues(entity->getAttributeValues(),q);
|
||
|
if(this->db->updateSequenceCounter(q)) {
|
||
|
entity->setId(this->findId(entity));
|
||
|
rc = true;
|
||
|
}
|
||
|
}
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
QHash<QString,QVariant> EntityManager::find(qint64 id, QString tblname) {
|
||
|
QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname +" WHERE id= :id LIMIT 1;");
|
||
|
q.bindValue(":id",id);
|
||
|
this->db->select(q);
|
||
|
QSqlRecord rec = q.record();
|
||
|
QHash<QString,QVariant> map = QHash<QString, QVariant>();
|
||
|
if(q.next()) {
|
||
|
for (int var = 0; var < rec.count(); ++var) {
|
||
|
map.insert(rec.fieldName(var),q.value(rec.indexOf(rec.fieldName(var)))); // parameters of q.value can maybe replaced with var
|
||
|
}
|
||
|
}
|
||
|
return map;
|
||
|
}
|
||
|
|
||
|
QList<QHash <QString,QVariant> > EntityManager::findByAttributes(QHash<QString, QVariant> *m, const QString &tblname, bool ignoreID) {
|
||
|
QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname + this->where(m,"AND",ignoreID));
|
||
|
this->bindValues(m,q,true);
|
||
|
return this->convertQueryResult(q);
|
||
|
}
|
||
|
|
||
|
QList<QHash<QString, QVariant> > EntityManager::convertQueryResult(QSqlQuery &q) {
|
||
|
QList<QHash <QString, QVariant> > listmap = QList<QHash <QString,QVariant> >();
|
||
|
this->db->select(q);
|
||
|
QSqlRecord rec = q.record();
|
||
|
QStringList l = QStringList();
|
||
|
qint16 field_count = rec.count();
|
||
|
for (int var = 0; var < field_count; ++var) {
|
||
|
l.append(rec.fieldName(var));
|
||
|
}
|
||
|
QHash<QString,QVariant> map = QHash<QString, QVariant>();
|
||
|
while(q.next()) {
|
||
|
for (int var = 0; var < field_count; ++var) {
|
||
|
map.insert(l.at(var),q.value(rec.indexOf(l.at(var))));
|
||
|
}
|
||
|
listmap.append(map);
|
||
|
}
|
||
|
return listmap;
|
||
|
}
|
||
|
|
||
|
QList<QHash <QString,QVariant> > EntityManager::findAll(QString tblname) {
|
||
|
QSqlQuery q =this->db->getQuery("SELECT * FROM " + tblname + ";");
|
||
|
return this->convertQueryResult(q);
|
||
|
}
|
||
|
|
||
|
bool EntityManager::merge(Entity *entity) {
|
||
|
if(this->count(entity) == 0 && entity->getId() != -1) {
|
||
|
QSqlQuery q = this->db->getQuery("UPDATE " + entity->getTablename() + " SET " +this->attributes(entity->getAttributeValues()) + " WHERE id=:idM;");
|
||
|
this->bindValues(entity->getAttributeValues(),q);
|
||
|
q.bindValue(":idM",entity->getId());
|
||
|
return this->db->transaction(q);
|
||
|
} else {
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
qint64 EntityManager::findId(Entity *entity) {
|
||
|
qint64 r = -1;
|
||
|
QSqlQuery q = this->db->getQuery("SELECT id FROM " + entity->getTablename() + this->where(entity->getAttributeValues(),"AND",true) + " LIMIT 1");
|
||
|
this->bindValues(entity->getAttributeValues(),q);
|
||
|
this->db->select(q);
|
||
|
if(q.next()) {
|
||
|
r = q.value(0).toInt();
|
||
|
}
|
||
|
return r;
|
||
|
}
|
||
|
|
||
|
QString EntityManager::attributes(QHash<QString, QVariant> *m, QString conjunction, bool ignoreID) {
|
||
|
QString rc = "";
|
||
|
if(!m->isEmpty()) {
|
||
|
QHash<QString, QVariant>::const_iterator i = m->constBegin();
|
||
|
while(i != m->constEnd()) {
|
||
|
if(!ignoreID || (ignoreID && !(i.key() == "id"))) {
|
||
|
if(!(rc == "")) {
|
||
|
rc += " " + conjunction + " ";
|
||
|
}
|
||
|
rc += i.key() + "= :" +i.key();
|
||
|
}
|
||
|
++i;
|
||
|
}
|
||
|
}
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
|
||
|
QString EntityManager::where(QHash<QString, QVariant> *m, QString conjunction, bool ignoreID) {
|
||
|
if(m->size() == 0 || (ignoreID && m->contains("id") && m->size() == 1)) {
|
||
|
return "";
|
||
|
}
|
||
|
return " WHERE " + this->attributes(m,conjunction,ignoreID);
|
||
|
}
|
||
|
|
||
|
QString EntityManager::where(Entity *entity, QString conjunction, bool ignoreID) {
|
||
|
return this->where(entity->getAttributeValues(),conjunction,ignoreID);
|
||
|
}
|
||
|
|
||
|
QList<QHash <QString,QVariant> > EntityManager::findByAttributes(Entity *entity, bool ignoreID) {
|
||
|
return this->findByAttributes(entity->getAttributeValues(), entity->getTablename(),ignoreID);
|
||
|
}
|
||
|
|
||
|
bool EntityManager::save(Entity *entity) {
|
||
|
if(entity->getId() > -1) {
|
||
|
return this->merge(entity);
|
||
|
} else {
|
||
|
return this->create(entity);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
bool EntityManager::remove(Entity *&entity) {
|
||
|
bool rc = false;
|
||
|
QSqlQuery q = this->db->getQuery("DELETE FROM " + entity->getTablename() + " WHERE id= :id;");
|
||
|
q.bindValue(":id",entity->getId());
|
||
|
if(this->db->transaction(q)) {
|
||
|
delete entity;
|
||
|
entity = 0;
|
||
|
rc = true;
|
||
|
}
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
QString EntityManager::createTableQuery(Entity *entity) {
|
||
|
QChar c = this->db->escapeChar();
|
||
|
QHash<QString, QString> m = entity->getProperties(this->db->getDatabaseType());
|
||
|
bool first = true;
|
||
|
QString s = "CREATE TABLE IF NOT EXISTS ";
|
||
|
s.append(c).append(entity->getTablename()).append(c).append("(");
|
||
|
QHash<QString, QString>::const_iterator i = m.constBegin();
|
||
|
while (i != m.constEnd()) {
|
||
|
if(first) {
|
||
|
first = false;
|
||
|
} else {
|
||
|
s.append(',');
|
||
|
}
|
||
|
s.append(c).append(i.key()).append(c).append(" " + i.value());
|
||
|
++i;
|
||
|
}
|
||
|
s.append(");");
|
||
|
return s;
|
||
|
}
|
||
|
|
||
|
bool EntityManager::createTable(Entity *entity) {
|
||
|
bool rc = false;
|
||
|
this->db->containsTable(entity->getTablename()) ? rc = true : rc = false;
|
||
|
if(!rc) {
|
||
|
QSqlQuery q = this->db->getQuery(this->createTableQuery(entity));
|
||
|
if(this->db->transaction(q)) {
|
||
|
this->db->refreshTableList();
|
||
|
rc = true;
|
||
|
}
|
||
|
}
|
||
|
return rc;
|
||
|
|
||
|
}
|
||
|
//qint8 EntityManager::count(Entity* entity, bool ignoreID) {
|
||
|
// qint8 rc = 0;
|
||
|
// QSqlQuery q = this->db->getQuery("SELECT COUNT(*) FROM " + entity->getTablename() + this->where(entity->getAttributeValues(),"AND",ignoreID));
|
||
|
// this->bindValues(entity->getAttributeValues(),q);
|
||
|
// this->db->select(q);
|
||
|
// if(q.next()) {
|
||
|
// rc = q.value(0).toInt();
|
||
|
// }
|
||
|
// return rc;
|
||
|
//}
|
||
|
|
||
|
//QString EntityManager::buildCreateQuery(QHash<QString,QVariant>::const_iterator i, QHash<QString,QVariant>::const_iterator end, QString &p1, QString &p2) {
|
||
|
// bool first = true;
|
||
|
// while(i != end) {
|
||
|
// if(!first) {
|
||
|
// p1 += ",";
|
||
|
// p2 += ",";
|
||
|
// } else {
|
||
|
// first = false;
|
||
|
// }
|
||
|
// p1 += i.key();
|
||
|
// p2 += ":"+i.key();
|
||
|
// ++i;
|
||
|
// }
|
||
|
// p1 += ")";
|
||
|
// p2 += ");";
|
||
|
// return p1 + p2;
|
||
|
//}
|
||
|
|
||
|
//bool EntityManager::create(Entity *entity) {
|
||
|
// bool rc = false;
|
||
|
// if(this->checkTable(entity) && this->count(entity) == 0) {
|
||
|
// QSqlQuery q = this->db->getQuery();
|
||
|
// QString p1 = "INSERT INTO " + entity->getTablename() + "(";
|
||
|
// QString p2 = "VALUES(";
|
||
|
// entity->setId(this->db->getLastId());
|
||
|
// if(!entity->getAttributeValues()->isEmpty()) {
|
||
|
// q.prepare(this->buildCreateQuery(entity->getAttributeValues()->constBegin(),entity->getAttributeValues()->constEnd(),p1,p2));
|
||
|
// }
|
||
|
// this->bindValues(entity->getAttributeValues(),q);
|
||
|
// if(this->db->updateSequenceCounter(q)) {
|
||
|
// entity->setId(this->findId(entity));
|
||
|
// rc = true;
|
||
|
// }
|
||
|
// }
|
||
|
// return rc;
|
||
|
//}
|
||
|
|
||
|
//QHash<QString,QVariant> EntityManager::find(qint64 id, QString tblname) {
|
||
|
// QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname +" WHERE id= :id LIMIT 1;");
|
||
|
// q.bindValue(":id",id);
|
||
|
// this->db->select(q);
|
||
|
// QSqlRecord rec = q.record();
|
||
|
// QHash<QString,QVariant> map = QHash<QString, QVariant>();
|
||
|
// if(q.next()) {
|
||
|
// for (int var = 0; var < rec.count(); ++var) {
|
||
|
// map.insert(rec.fieldName(var),q.value(rec.indexOf(rec.fieldName(var)))); // parameters of q.value can maybe replaced with var
|
||
|
// }
|
||
|
// }
|
||
|
// return map;
|
||
|
//}
|
||
|
|
||
|
//QList<QHash <QString,QVariant> > EntityManager::findByAttributes(QHash<QString, QVariant> *m, const QString &tblname, bool ignoreID) {
|
||
|
// QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname + this->where(m,"AND",ignoreID));
|
||
|
// this->bindValues(m,q,true);
|
||
|
// return this->convertQueryResult(q);
|
||
|
//}
|
||
|
|
||
|
//QList<QHash<QString, QVariant> > EntityManager::convertQueryResult(QSqlQuery &q) {
|
||
|
// QList<QHash <QString, QVariant> > listmap = QList<QHash <QString,QVariant> >();
|
||
|
// this->db->select(q);
|
||
|
// QSqlRecord rec = q.record();
|
||
|
// QStringList l = QStringList();
|
||
|
// qint16 field_count = rec.count();
|
||
|
// for (int var = 0; var < field_count; ++var) {
|
||
|
// l.append(rec.fieldName(var));
|
||
|
// }
|
||
|
// QHash<QString,QVariant> map = QHash<QString, QVariant>();
|
||
|
// while(q.next()) {
|
||
|
// for (int var = 0; var < field_count; ++var) {
|
||
|
// map.insert(l.at(var),q.value(rec.indexOf(l.at(var))));
|
||
|
// }
|
||
|
// listmap.append(map);
|
||
|
// }
|
||
|
// return listmap;
|
||
|
//}
|
||
|
|
||
|
//QList<QHash <QString,QVariant> > EntityManager::findAll(QString tblname) {
|
||
|
// QSqlQuery q =this->db->getQuery("SELECT * FROM " + tblname + ";");
|
||
|
// return this->convertQueryResult(q);
|
||
|
//}
|
||
|
|
||
|
//bool EntityManager::merge(Entity *entity) {
|
||
|
// if(this->count(entity) == 0 && entity->getId() != -1) {
|
||
|
// QSqlQuery q = this->db->getQuery("UPDATE " + entity->getTablename() + " SET " +this->attributes(entity->getAttributeValues()) + " WHERE id=:idM;");
|
||
|
// this->bindValues(entity->getAttributeValues(),q);
|
||
|
// q.bindValue(":idM",entity->getId());
|
||
|
// return this->db->transaction(q);
|
||
|
// } else {
|
||
|
// return false;
|
||
|
// }
|
||
|
//}
|
||
|
|
||
|
|
||
|
//qint64 EntityManager::findId(Entity *entity) {
|
||
|
// qint64 r = -1;
|
||
|
// QSqlQuery q = this->db->getQuery("SELECT id FROM " + entity->getTablename() + this->where(entity->getAttributeValues(),"AND",true) + " LIMIT 1");
|
||
|
// this->bindValues(entity->getAttributeValues(),q);
|
||
|
// this->db->select(q);
|
||
|
// if(q.next()) {
|
||
|
// r = q.value(0).toInt();
|
||
|
// }
|
||
|
// return r;
|
||
|
//}
|
||
|
|
||
|
//QString EntityManager::attributes(QHash<QString, QVariant> *m, QString conjunction, bool ignoreID) {
|
||
|
// QString rc = "";
|
||
|
// if(!m->isEmpty()) {
|
||
|
// QHash<QString, QVariant>::const_iterator i = m->constBegin();
|
||
|
// while(i != m->constEnd()) {
|
||
|
// if(!ignoreID || (ignoreID && !(i.key() == "id"))) {
|
||
|
// if(!(rc == "")) {
|
||
|
// rc += " " + conjunction + " ";
|
||
|
// }
|
||
|
// rc += i.key() + "= :" +i.key();
|
||
|
// }
|
||
|
// ++i;
|
||
|
// }
|
||
|
// }
|
||
|
// return rc;
|
||
|
//}
|
||
|
|
||
|
|
||
|
//QString EntityManager::where(QHash<QString, QVariant> *m, QString conjunction, bool ignoreID) {
|
||
|
// if(m->size() == 0 || (ignoreID && m->contains("id") && m->size() == 1)) {
|
||
|
// return "";
|
||
|
// }
|
||
|
// return " WHERE " + this->attributes(m,conjunction,ignoreID);
|
||
|
//}
|
||
|
|
||
|
//QString EntityManager::where(Entity *entity, QString conjunction, bool ignoreID) {
|
||
|
// return this->where(entity->getAttributeValues(),conjunction,ignoreID);
|
||
|
//}
|
||
|
|
||
|
//QList<QHash <QString,QVariant> > EntityManager::findByAttributes(Entity *entity, bool ignoreID) {
|
||
|
// return this->findByAttributes(entity->getAttributeValues(), entity->getTablename(),ignoreID);
|
||
|
//}
|
||
|
|
||
|
//bool EntityManager::save(Entity *entity) {
|
||
|
// if(entity->getId() > -1) {
|
||
|
// return this->merge(entity);
|
||
|
// } else {
|
||
|
// return this->create(entity);
|
||
|
// }
|
||
|
//}
|
||
|
|
||
|
|
||
|
//bool EntityManager::remove(Entity *&entity) {
|
||
|
// bool rc = false;
|
||
|
// QSqlQuery q = this->db->getQuery("DELETE FROM " + entity->getTablename() + " WHERE id= :id;");
|
||
|
// q.bindValue(":id",entity->getId());
|
||
|
// if(this->db->transaction(q)) {
|
||
|
// delete entity;
|
||
|
// entity = 0;
|
||
|
// rc = true;
|
||
|
// }
|
||
|
// return rc;
|
||
|
//}
|
||
|
|
||
|
//QString EntityManager::createTableQuery(Entity *entity) {
|
||
|
// QChar c = this->db->escapeChar();
|
||
|
// QHash<QString, QString> m = entity->getProperties(this->db->getDatabaseType());
|
||
|
// bool first = true;
|
||
|
// QString s = "CREATE TABLE IF NOT EXISTS ";
|
||
|
// s.append(c).append(entity->getTablename()).append(c).append("(");
|
||
|
// QHash<QString, QString>::const_iterator i = m.constBegin();
|
||
|
// while (i != m.constEnd()) {
|
||
|
// if(first) {
|
||
|
// first = false;
|
||
|
// } else {
|
||
|
// s.append(',');
|
||
|
// }
|
||
|
// s.append(c).append(i.key()).append(c).append(" " + i.value());
|
||
|
// ++i;
|
||
|
// }
|
||
|
// s.append(");");
|
||
|
// return s;
|
||
|
//}
|
||
|
|
||
|
//bool EntityManager::createTable(Entity *entity) {
|
||
|
// bool rc = false;
|
||
|
// this->db->containsTable(entity->getTablename()) ? rc = true : rc = false;
|
||
|
// if(!rc) {
|
||
|
// QSqlQuery q = this->db->getQuery(this->createTableQuery(entity));
|
||
|
// if(this->db->transaction(q)) {
|
||
|
// this->db->refreshTableList();
|
||
|
// rc = true;
|
||
|
// }
|
||
|
// }
|
||
|
// return rc;
|
||
|
|
||
|
//}
|
||
Auch abrufbar als: Unified diff
...