Revision 7e233492
Von Christian Ehringfeld vor etwa 9 Jahren hinzugefügt
| src/entitymanager.cpp | ||
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*/
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#include "entitymanager.h"
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#include "enums/databasetype.h"
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using namespace CuteEntityManager;
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/**
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* Relationen fehlen noch
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| ... | ... | |
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QStringList EntityManager::connectionNames = QStringList();
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//EntityManager::EntityManager(QSqlDatabase database) {
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// auto db = new Database(database);
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// this->db = QSharedPointer<Database>(db);
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// auto schema = DatabaseType::getSchema(DatabaseType::getDatabaseType(database.driver()),this->db);
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// this->schema = QSharedPointer<Schema>(db);
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//}
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//EntityManager::EntityManager(const QString &databaseType, QString databasename , QString hostname, QString username,
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// QString password, QString port) {
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// auto db = new Database(databaseType, this->createConnection(), hostname, databasename, username, password,
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// port.toInt());
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// this->db = QSharedPointer<Database>(db);
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// auto schema = new Schema(this->db);
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// this->schema = QSharedPointer<Schema>(db);
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//}
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void EntityManager::init() {
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auto schema = CuteEntityManager::getSchema(CuteEntityManager::getDatabaseType(
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this->db.data()->getDatabase().driverName()), this->db);
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this->schema = QSharedPointer<Schema>(schema);
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}
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EntityManager::EntityManager(QSqlDatabase database) {
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auto db = new Database(database);
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this->db = QSharedPointer<Database>(db);
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this->init();
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}
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EntityManager::EntityManager(const QString &databaseType, QString databasename , QString hostname, QString username,
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QString password, QString port) {
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auto db = new Database(databaseType, this->createConnection(), hostname, databasename, username, password,
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port.toInt());
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this->db = QSharedPointer<Database>(db);
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this->init();
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}
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//inline bool EntityManager::checkTable(Entity *entity) {
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// bool rc = true;
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| ... | ... | |
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// return rc;
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//}
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//QSharedPointer<Database> EntityManager::getDb() const {
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// return db;
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//}
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//void EntityManager::setDb(const QSharedPointer<Database> &value) {
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// db = value;
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//}
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//QSharedPointer<Schema> EntityManager::getSchema() const {
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// return schema;
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//}
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//void EntityManager::setSchema(const QSharedPointer<Schema> &value) {
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// schema = value;
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//}
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//QString EntityManager::createConnection() {
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// QStringList l = EntityManager::getConnectionNames();
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// QString conName = "";
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// bool ok = false;
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// qint16 i = 0;
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// while (!ok) {
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// if (l.contains("con" + QString::number(i))) {
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// ++i;
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// } else {
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// l.append("con" + QString::number(i));
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// ok = true;
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// conName = "con" + QString::number(i);
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// EntityManager::setConnectionNames(l);
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// }
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// }
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// return conName;
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//}
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//void EntityManager::removeConnectionName(const QString &name) {
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// EntityManager::connectionNames.removeOne(name);
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//}
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//EntityManager::~EntityManager() {
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// EntityManager::removeConnectionName(this->db->getConnectionName());
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// delete db;
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//}
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//QStringList EntityManager::getConnectionNames() {
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// return EntityManager::connectionNames;
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//}
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//void EntityManager::bindValues(const QHash<QString, QVariant> *h, QSqlQuery &q, bool ignoreID) {
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// QHash<QString, QVariant>::const_iterator i = h->constBegin();
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// while (i != h->constEnd()) {
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// if (!ignoreID || (ignoreID && !(i.key() == "id"))) {
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// q.bindValue(":" + i.key(), i.value());
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// }
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// ++i;
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// }
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//}
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QSharedPointer<Database> EntityManager::getDb() const {
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return db;
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}
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void EntityManager::setDb(const QSharedPointer<Database> &value) {
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db = value;
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}
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QSharedPointer<Schema> EntityManager::getSchema() const {
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return schema;
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}
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void EntityManager::setSchema(const QSharedPointer<Schema> &value) {
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schema = value;
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}
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QString EntityManager::createConnection() {
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QStringList l = EntityManager::getConnectionNames();
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QString conName = "";
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bool ok = false;
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qint16 i = 0;
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while (!ok) {
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if (l.contains("con" + QString::number(i))) {
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++i;
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} else {
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l.append("con" + QString::number(i));
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ok = true;
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conName = "con" + QString::number(i);
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EntityManager::setConnectionNames(l);
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}
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}
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return conName;
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}
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void EntityManager::removeConnectionName(const QString &name) {
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EntityManager::connectionNames.removeOne(name);
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}
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EntityManager::~EntityManager() {
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EntityManager::removeConnectionName(this->db->getConnectionName());
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}
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QStringList EntityManager::getConnectionNames() {
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return EntityManager::connectionNames;
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}
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void EntityManager::bindValues(const QHash<QString, QVariant> *h, QSqlQuery &q, bool ignoreID) {
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QHash<QString, QVariant>::const_iterator i = h->constBegin();
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while (i != h->constEnd()) {
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if (!ignoreID || (ignoreID && !(i.key() == "id"))) {
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q.bindValue(":" + i.key(), i.value());
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}
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++i;
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}
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}
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//qint8 EntityManager::count(Entity *entity, bool ignoreID) {
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// qint8 rc = 0;
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// return rc;
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//}
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//QString EntityManager::buildCreateQuery(QHash<QString, QVariant>::const_iterator i,
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// QHash<QString, QVariant>::const_iterator end, QString &p1, QString &p2) {
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// bool first = true;
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// while (i != end) {
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// if (!first) {
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// p1 += ",";
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// p2 += ",";
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// } else {
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// first = false;
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// }
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// p1 += i.key();
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// p2 += ":" + i.key();
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// ++i;
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// }
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// p1 += ")";
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// p2 += ");";
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// return p1 + p2;
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//}
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QString EntityManager::buildCreateQuery(QHash<QString, QVariant>::const_iterator i,
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QHash<QString, QVariant>::const_iterator end, QString &p1, QString &p2) {
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bool first = true;
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while (i != end) {
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if (!first) {
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p1 += ",";
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p2 += ",";
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} else {
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first = false;
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}
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p1 += i.key();
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p2 += ":" + i.key();
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++i;
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}
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p1 += ")";
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p2 += ");";
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return p1 + p2;
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}
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//bool EntityManager::create(Entity *entity) {
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// bool rc = false;
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// return rc;
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//}
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//QHash<QString, QVariant> EntityManager::find(qint64 id, QString tblname) {
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// QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname + " WHERE id= :id LIMIT 1;");
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// q.bindValue(":id", id);
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// this->db->select(q);
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// QSqlRecord rec = q.record();
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// QHash<QString, QVariant> map = QHash<QString, QVariant>();
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// if (q.next()) {
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// for (int var = 0; var < rec.count(); ++var) {
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// map.insert(rec.fieldName(var), q.value(rec.indexOf(rec.fieldName(
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// var)))); // parameters of q.value can maybe replaced with var
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// }
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// }
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// return map;
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//}
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//QList<QHash <QString, QVariant> > EntityManager::findByAttributes(QHash<QString, QVariant> *m, const QString &tblname,
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// bool ignoreID) {
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// QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname + this->where(m, "AND", ignoreID));
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// this->bindValues(m, q, true);
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// return this->convertQueryResult(q);
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//}
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//QList<QHash<QString, QVariant> > EntityManager::convertQueryResult(QSqlQuery &q) {
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// QList<QHash <QString, QVariant> > listmap = QList<QHash <QString, QVariant> >();
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// this->db->select(q);
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// QSqlRecord rec = q.record();
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// QStringList l = QStringList();
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// qint16 field_count = rec.count();
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// for (int var = 0; var < field_count; ++var) {
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// l.append(rec.fieldName(var));
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// }
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// QHash<QString, QVariant> map = QHash<QString, QVariant>();
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// while (q.next()) {
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// for (int var = 0; var < field_count; ++var) {
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// map.insert(l.at(var), q.value(rec.indexOf(l.at(var))));
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// }
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// listmap.append(map);
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// }
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// return listmap;
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//}
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//QList<QHash <QString, QVariant> > EntityManager::findAll(QString tblname) {
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// QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname + ";");
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// return this->convertQueryResult(q);
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//}
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QHash<QString, QVariant> EntityManager::find(qint64 id, QString tblname) {
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QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname + " WHERE id= :id LIMIT 1;");
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q.bindValue(":id", id);
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this->db->select(q);
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QSqlRecord rec = q.record();
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QHash<QString, QVariant> map = QHash<QString, QVariant>();
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if (q.next()) {
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for (int var = 0; var < rec.count(); ++var) {
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map.insert(rec.fieldName(var), q.value(rec.indexOf(rec.fieldName(
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var)))); // parameters of q.value can maybe replaced with var
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}
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}
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return map;
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}
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QList<QHash <QString, QVariant> > EntityManager::findByAttributes(QHash<QString, QVariant> *m, const QString &tblname,
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bool ignoreID) {
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QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname + this->where(m, "AND", ignoreID));
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this->bindValues(m, q, true);
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return this->convertQueryResult(q);
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}
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QList<QHash<QString, QVariant> > EntityManager::convertQueryResult(QSqlQuery &q) {
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QList<QHash <QString, QVariant> > listmap = QList<QHash <QString, QVariant> >();
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this->db->select(q);
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QSqlRecord rec = q.record();
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QStringList l = QStringList();
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qint16 field_count = rec.count();
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for (int var = 0; var < field_count; ++var) {
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l.append(rec.fieldName(var));
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}
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QHash<QString, QVariant> map = QHash<QString, QVariant>();
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while (q.next()) {
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for (int var = 0; var < field_count; ++var) {
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map.insert(l.at(var), q.value(rec.indexOf(l.at(var))));
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}
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listmap.append(map);
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}
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return listmap;
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}
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QList<QHash <QString, QVariant> > EntityManager::findAll(QString tblname) {
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QSqlQuery q = this->db->getQuery("SELECT * FROM " + tblname + ";");
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return this->convertQueryResult(q);
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}
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//bool EntityManager::merge(Entity *entity) {
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// if (this->count(entity) == 0 && entity->getId() != -1) {
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// return r;
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//}
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//QString EntityManager::attributes(QHash<QString, QVariant> *m, QString conjunction, bool ignoreID) {
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// QString rc = "";
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// if (!m->isEmpty()) {
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// QHash<QString, QVariant>::const_iterator i = m->constBegin();
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// while (i != m->constEnd()) {
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// if (!ignoreID || (ignoreID && !(i.key() == "id"))) {
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// if (!(rc == "")) {
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// rc += " " + conjunction + " ";
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// }
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// rc += i.key() + "= :" + i.key();
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// }
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// ++i;
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// }
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// }
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// return rc;
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//}
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//QString EntityManager::where(QHash<QString, QVariant> *m, QString conjunction, bool ignoreID) {
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// if (m->size() == 0 || (ignoreID && m->contains("id") && m->size() == 1)) {
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// return "";
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// }
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// return " WHERE " + this->attributes(m, conjunction, ignoreID);
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//}
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QString EntityManager::attributes(QHash<QString, QVariant> *m, QString conjunction, bool ignoreID) {
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QString rc = "";
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if (!m->isEmpty()) {
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QHash<QString, QVariant>::const_iterator i = m->constBegin();
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while (i != m->constEnd()) {
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if (!ignoreID || (ignoreID && !(i.key() == "id"))) {
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if (!(rc == "")) {
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rc += " " + conjunction + " ";
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}
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rc += i.key() + "= :" + i.key();
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}
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++i;
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}
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}
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return rc;
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}
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QString EntityManager::where(QHash<QString, QVariant> *m, QString conjunction, bool ignoreID) {
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if (m->size() == 0 || (ignoreID && m->contains("id") && m->size() == 1)) {
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return "";
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}
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return " WHERE " + this->attributes(m, conjunction, ignoreID);
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}
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//QString EntityManager::where(Entity *entity, QString conjunction, bool ignoreID) {
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// return this->where(entity->getAttributeValues(), conjunction, ignoreID);
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| ... | ... | |
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// return this->findByAttributes(entity->getAttributeValues(), entity->getTablename(), ignoreID);
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//}
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//bool EntityManager::save(Entity *entity) {
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// if (entity->getId() > -1) {
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// return this->merge(entity);
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// } else {
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// return this->create(entity);
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// }
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//}
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//bool EntityManager::remove(Entity *&entity) {
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// bool rc = false;
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// QSqlQuery q = this->db->getQuery("DELETE FROM " + entity->getTablename() + " WHERE id= :id;");
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// q.bindValue(":id", entity->getId());
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// if (this->db->transaction(q)) {
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// delete entity;
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// entity = 0;
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// rc = true;
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// }
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// return rc;
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//}
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bool EntityManager::save(Entity *entity) {
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if (entity->getId() > -1) {
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return this->merge(entity);
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} else {
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return this->create(entity);
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}
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}
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bool EntityManager::remove(Entity *&entity) {
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bool rc = false;
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QSqlQuery q = this->db->getQuery("DELETE FROM " + entity->getTablename() + " WHERE id= :id;");
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q.bindValue(":id", entity->getId());
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if (this->db->transaction(q)) {
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delete entity;
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entity = 0;
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rc = true;
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}
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return rc;
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}
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//QString EntityManager::createTableQuery(Entity *entity) {
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// QChar c = this->db->escapeChar();
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Auch abrufbar als: Unified diff
not really productive...shit