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root/src/querybuilder.cpp @ b0bf458e
14f9beed | Christian Ehringfeld | #include "querybuilder.h"
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b0bf458e | Christian Ehringfeld | #include "database.h"
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#include <QMetaObject>
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#include <QMetaProperty>
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#include "entity.h"
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using namespace CuteEntityManager;
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14f9beed | Christian Ehringfeld | ||
b0bf458e | Christian Ehringfeld | //bool QueryBuilder::createTable(QString tablename, QHash<QString, QString> tableDefinition) {
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//// QHash<QString, QString> Artikel::getProperties(DatabaseType type) {
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//// QHash<QString, QString> h = QHash<QString, QString>();
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//// h.insert("id",this->idColumnSQL());
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//// h.insert("preis","DOUBLE");
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//// h.insert("name","TEXT");
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//// return h;
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//// }
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//}
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14f9beed | Christian Ehringfeld | ||
b0bf458e | Christian Ehringfeld | QueryBuilder::QueryBuilder(QSharedPointer<Schema> schema, QSharedPointer<Database> database) {
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this->schema = schema;
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this->database = database;
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14f9beed | Christian Ehringfeld | }
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b0bf458e | Christian Ehringfeld | bool QueryBuilder::createTable(const QSharedPointer<Entity> &entity) const {
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return this->createTable(entity.data()->getTablename(), this->generateTableDefinition(entity));
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}
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bool QueryBuilder::createTable(const QString &tableName, const QHash<QString, QString> &tableDefinition) const {
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bool rc = false;
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this->schema.data()->containsTable(tableName) ? rc = true : rc = false;
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if (!rc) {
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QSqlQuery q = this->database.data()->getQuery(this->createTableQuery(tableName, tableDefinition));
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if (this->database.data()->transaction(q)) {
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this->schema.data()->getTableSchema(tableName);
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rc = true;
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}
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}
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return rc;
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}
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QString QueryBuilder::createTableQuery(const QString &tableName, const QHash<QString, QString> &tableDefinition) const {
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bool first = true;
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QString s = "CREATE TABLE ";
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s.append(this->schema.data()->quoteTableName(tableName).append(" (\n"));
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QHash<QString, QString>::const_iterator i = tableDefinition.constBegin();
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while (i != tableDefinition.constEnd()) {
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if (first) {
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first = false;
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} else {
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s.append(',');
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}
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s.append(this->schema.data()->quoteColumnName(i.key())).append(" " + i.value());
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++i;
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}
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s.append("\n);");
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return s;
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}
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QSharedPointer<Database> QueryBuilder::getDatabase() const {
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return database;
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}
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14f9beed | Christian Ehringfeld | ||
b0bf458e | Christian Ehringfeld | void QueryBuilder::setDatabase(const QSharedPointer<Database> &value) {
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database = value;
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14f9beed | Christian Ehringfeld | }
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b0bf458e | Christian Ehringfeld | QHash<QString, QString> QueryBuilder::generateTableDefinition(const QSharedPointer<Entity> &entity) const {
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auto map = QHash<QString, QString>();
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auto o = entity.data()->metaObject();
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for (int var = 0; var < o->propertyCount(); ++var) {
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auto m = o->property(var);
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if (m.isReadable() && !entity.data()->getTransientAttributes().contains(m.name())) {
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m.typeName();
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/**
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@TODO
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*/
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}
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}
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return map;
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}
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QHash<QString, QVariant> QueryBuilder::getEntityAttributes(const QSharedPointer<Entity> &entity) {
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Entity *e = entity.data();
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auto map = QHash<QString, QVariant>();
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auto metaObject = e->metaObject();
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auto transientAttrs = e->getTransientAttributes();
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for (int var = 0; var < metaObject->propertyCount(); ++var) {
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auto p = metaObject->property(var);
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QString name = QString(p.name());
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if (p.isValid() && !transientAttrs.contains(name)) {
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QVariant v = p.read(e);
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//Relation
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if (v.canConvert<Entity *>()) {
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this->insertRelationId(qvariant_cast<Entity *>(v), map, name);
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} else if (v.canConvert<QSharedPointer<Entity>>()) {
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this->insertRelationId(qvariant_cast<QSharedPointer<Entity>>(v).data(), map, name);
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} else if (QString(p.typeName()).contains("QList")) {
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/**
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@TODO
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//List and/or ManyToManyRelation
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*/
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auto n = static_cast<QList<CuteEntityManager::Entity *>*>(v.data());
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for (int var = 0; var < n->size(); ++var) {
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CuteEntityManager::Entity *entity = n->at(var);
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qDebug() << entity->toString();
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}
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} else {
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map.insert(name, v);
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}
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}
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}
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return map;
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}
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void QueryBuilder::insertRelationId(const Entity *e, QHash<QString, QVariant> &map, QString relName) {
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if (e && e->getId() > -1) {
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map.insert(relName + "_id", e->getId());
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}
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}
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QSharedPointer<Schema> QueryBuilder::getSchema() const {
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return schema;
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}
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14f9beed | Christian Ehringfeld | ||
b0bf458e | Christian Ehringfeld | void QueryBuilder::setSchema(const QSharedPointer<Schema> &value) {
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schema = value;
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14f9beed | Christian Ehringfeld | }
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