/*
* Copyright (C) 2010 Ixonos Plc.
- * Copyright (C) 2011 Philipp Spitzer, gregor herrmann
+ * Copyright (C) 2011-2017 Philipp Spitzer, gregor herrmann, Stefan Stahl
*
* This file is part of ConfClerk.
*
#include <QSqlRecord>
#include <QVariant>
#include <QDateTime>
+#include "qglobal.h"
+#if QT_VERSION >= 0x050000
+#include <QStandardPaths>
+#else
+#include <QDesktopServices>
+#endif
#include <QDir>
-#include <QDesktopServices>
#include "sqlengine.h"
-#include <track.h>
-#include <conference.h>
+#include "track.h"
+#include "conference.h"
#include <QDebug>
-const QString DATE_FORMAT ("yyyy-MM-dd");
-const QString TIME_FORMAT ("hh:mm");
+SqlEngine::SqlEngine(QObject *aParent): QObject(aParent), DATE_FORMAT("yyyy-MM-dd"), TIME_FORMAT("hh:mm") {
+#if QT_VERSION >= 0x050000
+ QDir dbPath(QStandardPaths::writableLocation(QStandardPaths::DataLocation));
+#else
+ QDir dbPath(QDesktopServices::storageLocation(QDesktopServices::DataLocation));
+#endif
+ dbFilename = dbPath.absoluteFilePath("ConfClerk.sqlite");
+}
-SqlEngine::SqlEngine(QObject *aParent)
- : QObject(aParent)
-{
+
+SqlEngine::~SqlEngine() {
}
-SqlEngine::~SqlEngine()
-{
+
+void SqlEngine::open() {
+ // we may have to create the directory of the database
+ QFileInfo dbFilenameInfo(dbFilename);
+ QDir cwd;
+ cwd.mkpath(dbFilenameInfo.absolutePath());
+ // We don't have to handle errors because in worst case, opening the database will fail
+ // and db.isOpen() returns false.
+ db = QSqlDatabase::addDatabase("QSQLITE");
+ db.setDatabaseName(dbFilename);
+ db.open();
}
-QString SqlEngine::login(const QString &aDatabaseType, const QString &aDatabaseName)
-{
- QSqlDatabase database = QSqlDatabase::addDatabase(aDatabaseType);
- database.setDatabaseName(aDatabaseName);
- bool result = false;
- if(!QFile::exists(aDatabaseName)) // the DB (tables) doesn't exists, and so we have to create one
- {
- // create Db
- if (!database.open()) qDebug() << "Could not open database" << database.lastError();
- QFile file(":/create_tables.sql");
- file.open(QIODevice::ReadOnly | QIODevice::Text);
- QString allSqlStatements = file.readAll();
- foreach(QString sql, allSqlStatements.split(";")) {
- QSqlQuery query(database);
- if (!query.exec(sql)) qDebug() << "Could not execute query" << query.lastError();
- }
+int SqlEngine::dbSchemaVersion() {
+ QSqlQuery query(db);
+ if (!query.exec("PRAGMA user_version")) {
+ emitSqlQueryError(query);
+ return -2;
}
- else
- {
- database.open();
+ query.first();
+ int version = query.value(0).toInt();
+ if (version == 0) {
+ // check whether the tables are existing
+ if (!query.exec("select count(*) from sqlite_master where name='CONFERENCE'")) {
+ emitSqlQueryError(query);
+ return -2;
+ }
+ query.first();
+ if (query.value(0).toInt() == 1) return 0; // tables are existing
+ return -1; // database seems to be empty (or has other tables)
}
+ return version;
+}
- //LOG_INFO(QString("Opening '%1' database '%2'").arg(aDatabaseType).arg(aDatabaseName));
- return result ? QString() : database.lastError().text();
+bool SqlEngine::updateDbSchemaVersion000To001() {
+ return applySqlFile(":/dbschema000to001.sql");
}
-void SqlEngine::initialize()
-{
- QString databaseName;
- QString dataDirName;
- dataDirName = QDesktopServices::storageLocation(QDesktopServices::DataLocation);
- QDir dataDir = QDir(dataDirName).absolutePath();
- if(!dataDir.exists())
- dataDir.mkpath(dataDirName);
- databaseName = dataDirName + "/ConfClerk.sqlite";
- login("QSQLITE",databaseName);
+
+bool SqlEngine::updateDbSchemaVersion001To002() {
+ return applySqlFile(":/dbschema001to002.sql");
}
-void SqlEngine::addConferenceToDB(QHash<QString,QString> &aConference)
-{
- QSqlDatabase db = QSqlDatabase::database();
- if (db.isValid() && db.isOpen())
- {
- int confId = 0;
- QList<Conference> confsList = Conference::getAll();
- if(confsList.count())
- {
- QListIterator<Conference> i(confsList);
- while (i.hasNext())
- {
- Conference conf = i.next();
- if( aConference["title"] == conf.title() )
- {
- confId = conf.id();
- aConference["id"] = QString::number(confId);
- break;
- }
- }
- }
+bool SqlEngine::createCurrentDbSchema() {
+ return applySqlFile(":/dbschema002.sql");
+}
- if(!confId) // conference 'aConference' isn't in the table => insert
- {
- QSqlQuery query(db);
- query.prepare("INSERT INTO CONFERENCE (title,url,subtitle,venue,city,start,end,days,"
- "day_change,timeslot_duration,active) "
- " VALUES (:title,:url,:subtitle,:venue,:city,:start,:end,:days,"
- ":day_change,:timeslot_duration,:active)");
- foreach (QString prop_name, (QList<QString>() << "title" << "url" << "subtitle" << "venue" << "city" << "days")) {
- query.bindValue(QString(":") + prop_name, aConference[prop_name]);
- }
- query.bindValue(":start", QDateTime(QDate::fromString(aConference["start"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t());
- query.bindValue(":end", QDateTime(QDate::fromString(aConference["end"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t());
- query.bindValue(":day_change", -QTime::fromString(aConference["day_change"],TIME_FORMAT).secsTo(QTime(0,0)));
- query.bindValue(":day_change", -QTime::fromString(aConference["timeslot_duration"],TIME_FORMAT).secsTo(QTime(0,0)));
- query.bindValue(":active", confsList.count() > 0 ? 0 : 1);
- if (!query.exec()) qDebug() << "Could not execute query to insert a conference:" << query.lastError();
- aConference["id"] = query.lastInsertId().toString(); // 'id' is assigned automatically
- }
+
+bool SqlEngine::createOrUpdateDbSchema() {
+ int version = dbSchemaVersion();
+ switch (version) {
+ case -2:
+ // the error has already been emitted by the previous function
+ return false;
+ case -1:
+ // empty database
+ return createCurrentDbSchema();
+ case 0:
+ // db schema version 0
+ return updateDbSchemaVersion000To001();
+ case 1:
+ // db schema version 1
+ return updateDbSchemaVersion001To002();
+ case 2:
+ // current schema
+ return true;
+ default:
+ // unsupported schema
+ emit dbError(tr("Unsupported database schema version %1.").arg(version));
}
+ return false;
}
-void SqlEngine::addEventToDB(QHash<QString,QString> &aEvent)
-{
- QSqlDatabase db = QSqlDatabase::database();
-
- if (db.isValid() && db.isOpen())
- {
- //insert event track to table and get track id
- int conference = aEvent["conference_id"].toInt();
- QString name = aEvent["track"];
- Track track;
- int trackId;
- try
- {
- track = Track::retrieveByName(conference, name);
- trackId = track.id();
- }
- catch (OrmNoObjectException &e) {
- track.setConference(conference);
- track.setName(name);
- trackId = track.insert();
- }
- QDateTime startDateTime;
- startDateTime.setTimeSpec(Qt::UTC);
- startDateTime = QDateTime(QDate::fromString(aEvent["date"],DATE_FORMAT),QTime::fromString(aEvent["start"],TIME_FORMAT),Qt::UTC);
-
- bool event_exists = false;
- {
- QSqlQuery check_event_query;
- check_event_query.prepare("SELECT * FROM EVENT WHERE xid_conference = :xid_conference AND id = :id");
- check_event_query.bindValue(":xid_conference", aEvent["conference_id"]);
- check_event_query.bindValue(":id", aEvent["id"]);
- if (!check_event_query.exec()) {
- qWarning() << "check event failed, conference id:" << aEvent["xid_conference"]
- << "event id:" << aEvent["id"]
- << "error:" << check_event_query.lastError()
- ;
- return;
- }
- if (check_event_query.isActive() and check_event_query.isSelect() and check_event_query.next()) {
- event_exists = true;
- }
- }
- QSqlQuery result;
- if (event_exists) {
- result.prepare("UPDATE EVENT SET"
- " start = :start"
- ", duration = :duration"
- ", xid_track = :xid_track"
- ", type = :type"
- ", language = :language"
- ", tag = :tag"
- ", title = :title"
- ", subtitle = :subtitle"
- ", abstract = :abstract"
- ", description = :description"
- " WHERE id = :id AND xid_conference = :xid_conference");
- } else {
- result.prepare("INSERT INTO EVENT "
- " (xid_conference, id, start, duration, xid_track, type, "
- " language, tag, title, subtitle, abstract, description) "
- " VALUES (:xid_conference, :id, :start, :duration, :xid_track, :type, "
- ":language, :tag, :title, :subtitle, :abstract, :description)");
- }
- result.bindValue(":xid_conference", aEvent["conference_id"]);
- result.bindValue(":start", QString::number(startDateTime.toTime_t()));
- result.bindValue(":duration", -QTime::fromString(aEvent["duration"],TIME_FORMAT).secsTo(QTime(0,0)));
- result.bindValue(":xid_track", trackId);
- static const QList<QString> props = QList<QString>()
- << "id" << "type" << "language" << "tag" << "title" << "subtitle" << "abstract" << "description";
- foreach (QString prop_name, props) {
- result.bindValue(QString(":") + prop_name, aEvent[prop_name]);
- }
- if (!result.exec()) {
- qWarning() << "event insert/update failed:" << result.lastError();
+bool SqlEngine::applySqlFile(const QString sqlFile) {
+ QFile file(sqlFile);
+ file.open(QIODevice::ReadOnly | QIODevice::Text);
+ QString allSqlStatements = file.readAll();
+ QSqlQuery query(db);
+ foreach(QString sql, allSqlStatements.split(";")) {
+ if (sql.trimmed().isEmpty()) // do not execute empty queries like the last character from create_tables.sql
+ continue;
+ if (!query.exec(sql)) {
+ emitSqlQueryError(query);
+ return false;
}
}
+ return true;
}
-void SqlEngine::addPersonToDB(QHash<QString,QString> &aPerson)
-{
- QSqlDatabase db = QSqlDatabase::database();
- if (db.isValid() && db.isOpen())
- {
- QSqlQuery query(db);
- query.prepare("INSERT INTO PERSON (xid_conference,id,name) VALUES (:xid_conference, :id, :name)");
- query.bindValue(":xid_conference", aPerson["conference_id"]);
- query.bindValue(":id", aPerson["id"]);
- query.bindValue(":name", aPerson["name"]);
- query.exec(); // some queries fail due to the unique key constraint
- // if (!query.exec()) qDebug() << "SQL query 'insert into person' failed: " << query.lastError();
-
- query = QSqlQuery(db);
- query.prepare("INSERT INTO EVENT_PERSON (xid_conference,xid_event,xid_person) VALUES (:xid_conference, :xid_event, :xid_person)");
- query.bindValue(":xid_conference", aPerson["conference_id"]);
- query.bindValue(":xid_event", aPerson["event_id"]);
- query.bindValue(":xid_person", aPerson["id"]);
- query.exec(); // some queries fail due to the unique key constraint
- // if (!query.exec()) qDebug() << "SQL query 'insert into event_person' failed: " << query.lastError();
+void SqlEngine::addConferenceToDB(QHash<QString,QString> &aConference, int conferenceId) {
+ QSqlQuery query(db);
+ bool insert = conferenceId <= 0;
+ if (insert) { // insert conference
+ query.prepare("INSERT INTO CONFERENCE (title,url,subtitle,venue,city,start,end,"
+ "day_change,timeslot_duration,active) "
+ " VALUES (:title,:url,:subtitle,:venue,:city,:start,:end,"
+ ":day_change,:timeslot_duration,:active)");
+ } else { // update conference
+ query.prepare("UPDATE CONFERENCE set title=:title, url=:url, subtitle=:subtitle, venue=:venue, city=:city, start=:start, end=:end,"
+ "day_change=:day_change, timeslot_duration=:timeslot_duration, active=:active "
+ "WHERE id=:id");
+ }
+ foreach (QString prop_name, (QList<QString>() << "title" << "url" << "subtitle" << "venue" << "city")) {
+ query.bindValue(QString(":") + prop_name, aConference[prop_name]);
+ }
+ query.bindValue(":start", QDateTime(QDate::fromString(aConference["start"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t());
+ query.bindValue(":end", QDateTime(QDate::fromString(aConference["end"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t());
+ QTime dayChange = QTime::fromString(aConference["day_change"].left(TIME_FORMAT.size()), TIME_FORMAT);
+ query.bindValue(":day_change", QTime(0, 0).secsTo(dayChange));
+ query.bindValue(":timeslot_duration", -QTime::fromString(aConference["timeslot_duration"],TIME_FORMAT).secsTo(QTime(0,0)));
+ query.bindValue(":active", 1);
+ if (!insert) query.bindValue(":id", conferenceId);
+ query.exec();
+ emitSqlQueryError(query);
+ if (insert) {
+ aConference["id"] = query.lastInsertId().toString(); // 'id' is assigned automatically
+ } else {
+ aConference["id"] = QVariant(conferenceId).toString();
}
}
-void SqlEngine::addRoomToDB(QHash<QString,QString> &aRoom)
-{
- QSqlDatabase db = QSqlDatabase::database();
- if (db.isValid() && db.isOpen())
+void SqlEngine::addEventToDB(QHash<QString,QString> &aEvent) {
+ int conferenceId = aEvent["conference_id"].toInt();
+ Conference conference = Conference::getById(conferenceId);
+
+ // insert event track to table and get track id
+ Track track;
+ int trackId;
+ QString trackName = aEvent["track"];
+ if (trackName.isEmpty()) trackName = tr("No track");
+ try
{
- QSqlQuery query(db);
- query.prepare("SELECT id FROM ROOM WHERE xid_conference=:conference_id and name=:name");
- query.bindValue(":conference_id", aRoom["conference_id"]);
- query.bindValue(":name", aRoom["name"]);
- if (!query.exec()) qDebug() << "Could not execute select room query: " << query.lastError();
- // now we have to check whether ROOM record with 'name' exists or not,
- // - if it doesn't exist yet, then we have to add that record to 'ROOM' table
- // and assign autoincremented 'id' to aRoom
- // - if it exists, then we need to get its 'id' and assign it to aRoom
- aRoom["id"] = "";
- if(query.next()) // ROOM record with 'name' already exists: we need to get its 'id'
- {
- aRoom["id"] = query.value(0).toString();
+ track = Track::retrieveByName(conferenceId, trackName);
+ trackId = track.id();
+ }
+ catch (OrmNoObjectException &e) {
+ track.setConference(conferenceId);
+ track.setName(trackName);
+ trackId = track.insert();
+ }
+ QDate startDate = QDate::fromString(aEvent["date"], DATE_FORMAT);
+ QTime startTime = QTime::fromString(aEvent["start"], TIME_FORMAT);
+ QDateTime startDateTime;
+ startDateTime.setTimeSpec(Qt::UTC);
+ startDateTime = QDateTime(startDate, startTime, Qt::UTC);
+
+ bool event_exists = false;
+ {
+ QSqlQuery check_event_query;
+ check_event_query.prepare("SELECT * FROM EVENT WHERE xid_conference = :xid_conference AND id = :id");
+ check_event_query.bindValue(":xid_conference", aEvent["conference_id"]);
+ check_event_query.bindValue(":id", aEvent["id"]);
+ if (!check_event_query.exec()) {
+ qWarning() << "check event failed, conference id:" << aEvent["xid_conference"]
+ << "event id:" << aEvent["id"]
+ << "error:" << check_event_query.lastError()
+ ;
+ return;
}
- else // ROOM record doesn't exist yet, need to create it
- {
- query = QSqlQuery(db);
- query.prepare("INSERT INTO ROOM (xid_conference,name,picture) VALUES (:xid_conference, :name, '')");
- query.bindValue(":xid_conference", aRoom["conference_id"]);
- query.bindValue(":xid_name", aRoom["name"]);
- if (!query.exec()) qDebug() << "Could not execute 'insert into room ...' query." << query.lastError();
- aRoom["id"]= query.lastInsertId().toString(); // 'id' is assigned automatically
- //LOG_AUTOTEST(query);
+ if (check_event_query.isActive() and check_event_query.isSelect() and check_event_query.next()) {
+ event_exists = true;
}
- query = QSqlQuery(db);
- query.prepare("INSERT INTO EVENT_ROOM (xid_conference,xid_event,xid_room) VALUES (:conference_id, :event_id, :room_id)");
- query.bindValue(":conference_id", aRoom["conference_id"]);
- query.bindValue(":event_id", aRoom["event_id"]);
- query.bindValue(":room_id", aRoom["id"]);
- if (!query.exec()) qDebug() << "Could not 'execute insert into event_room' query:" << query.lastError();
+ }
+
+ QSqlQuery result;
+ if (event_exists) {
+ result.prepare("UPDATE EVENT SET"
+ " start = :start"
+ ", duration = :duration"
+ ", xid_track = :xid_track"
+ ", type = :type"
+ ", language = :language"
+ ", tag = :tag"
+ ", title = :title"
+ ", subtitle = :subtitle"
+ ", abstract = :abstract"
+ ", description = :description"
+ " WHERE id = :id AND xid_conference = :xid_conference");
+ } else {
+ result.prepare("INSERT INTO EVENT "
+ " (xid_conference, id, start, duration, xid_track, type, "
+ " language, tag, title, subtitle, abstract, description) "
+ " VALUES (:xid_conference, :id, :start, :duration, :xid_track, :type, "
+ ":language, :tag, :title, :subtitle, :abstract, :description)");
+ }
+ result.bindValue(":xid_conference", aEvent["conference_id"]);
+ result.bindValue(":start", QString::number(startDateTime.toTime_t()));
+ result.bindValue(":duration", -QTime::fromString(aEvent["duration"],TIME_FORMAT).secsTo(QTime(0,0)));
+ result.bindValue(":xid_track", trackId);
+ static const QList<QString> props = QList<QString>()
+ << "id" << "type" << "language" << "tag" << "title" << "subtitle" << "abstract" << "description";
+ foreach (QString prop_name, props) {
+ result.bindValue(QString(":") + prop_name, aEvent[prop_name]);
+ }
+ if (!result.exec()) {
+ qWarning() << "event insert/update failed:" << result.lastError();
}
}
-void SqlEngine::addLinkToDB(QHash<QString,QString> &aLink)
-{
- QSqlDatabase db = QSqlDatabase::database();
- //TODO: check if the link doesn't exist before inserting
- if (db.isValid() && db.isOpen())
+void SqlEngine::addPersonToDB(QHash<QString,QString> &aPerson) {
+ QSqlQuery query(db);
+ query.prepare("INSERT INTO PERSON (xid_conference,id,name) VALUES (:xid_conference, :id, :name)");
+ query.bindValue(":xid_conference", aPerson["conference_id"]);
+ query.bindValue(":id", aPerson["id"]);
+ query.bindValue(":name", aPerson["name"]);
+ query.exec(); // TODO some queries fail due to the unique key constraint
+ // if (!query.exec()) qDebug() << "SQL query 'insert into person' failed: " << query.lastError();
+
+ query = QSqlQuery(db);
+ query.prepare("INSERT INTO EVENT_PERSON (xid_conference,xid_event,xid_person) VALUES (:xid_conference, :xid_event, :xid_person)");
+ query.bindValue(":xid_conference", aPerson["conference_id"]);
+ query.bindValue(":xid_event", aPerson["event_id"]);
+ query.bindValue(":xid_person", aPerson["id"]);
+ query.exec(); // TODO some queries fail due to the unique key constraint
+ // if (!query.exec()) qDebug() << "SQL query 'insert into event_person' failed: " << query.lastError();
+}
+
+
+void SqlEngine::addRoomToDB(QHash<QString,QString> &aRoom) {
+ QSqlQuery query(db);
+ query.prepare("SELECT id FROM ROOM WHERE xid_conference=:conference_id and name=:name");
+ query.bindValue(":conference_id", aRoom["conference_id"]);
+ query.bindValue(":name", aRoom["name"]);
+ query.exec();
+ emitSqlQueryError(query);
+ // now we have to check whether ROOM record with 'name' exists or not,
+ // - if it doesn't exist yet, then we have to add that record to 'ROOM' table
+ // and assign autoincremented 'id' to aRoom
+ // - if it exists, then we need to get its 'id' and assign it to aRoom
+ aRoom["id"] = "";
+ if(query.next()) // ROOM record with 'name' already exists: we need to get its 'id'
+ {
+ aRoom["id"] = query.value(0).toString();
+ }
+ else // ROOM record doesn't exist yet, need to create it
{
- QSqlQuery query(db);
- query.prepare("INSERT INTO LINK (xid_event, xid_conference, name, url) VALUES (:xid_event, :xid_conference, :name, :url)");
- query.bindValue(":xid_event", aLink["event_id"]);
- query.bindValue(":xid_conference", aLink["conference_id"]);
- query.bindValue(":name", aLink["name"]);
- query.bindValue(":url", aLink["url"]);
- if (!query.exec()) qDebug() << "Error executing 'insert into link' query: " << query.lastError();
+ query = QSqlQuery(db);
+ query.prepare("INSERT INTO ROOM (xid_conference,name) VALUES (:xid_conference, :name)");
+ query.bindValue(":xid_conference", aRoom["conference_id"]);
+ query.bindValue(":name", aRoom["name"]);
+ query.exec();
+ emitSqlQueryError(query);
+ aRoom["id"]= query.lastInsertId().toString(); // 'id' is assigned automatically
+ //LOG_AUTOTEST(query);
}
+
+ // remove previous conference/room records; room names might have changed
+ query = QSqlQuery(db);
+ query.prepare("DELETE FROM EVENT_ROOM WHERE xid_conference=:conference_id AND xid_event=:event_id");
+ query.bindValue(":conference_id", aRoom["conference_id"]);
+ query.bindValue(":event_id", aRoom["event_id"]);
+ query.exec();
+ emitSqlQueryError(query);
+ // and insert new ones
+ query = QSqlQuery(db);
+ query.prepare("INSERT INTO EVENT_ROOM (xid_conference,xid_event,xid_room) VALUES (:conference_id, :event_id, :room_id)");
+ query.bindValue(":conference_id", aRoom["conference_id"]);
+ query.bindValue(":event_id", aRoom["event_id"]);
+ query.bindValue(":room_id", aRoom["id"]);
+ query.exec();
+ emitSqlQueryError(query);
}
-int SqlEngine::searchEvent(int aConferenceId, const QHash<QString,QString> &aColumns, const QString &aKeyword)
-{
- QSqlDatabase db = QSqlDatabase::database();
- if ( !db.isValid() || !db.isOpen())
- return -1;
+void SqlEngine::addLinkToDB(QHash<QString,QString> &aLink) {
+ //TODO: check if the link doesn't exist before inserting
+ QSqlQuery query(db);
+ query.prepare("INSERT INTO LINK (xid_event, xid_conference, name, url) VALUES (:xid_event, :xid_conference, :name, :url)");
+ query.bindValue(":xid_event", aLink["event_id"]);
+ query.bindValue(":xid_conference", aLink["conference_id"]);
+ query.bindValue(":name", aLink["name"]);
+ query.bindValue(":url", aLink["url"]);
+ query.exec();
+ emitSqlQueryError(query);
+}
+
- if (aColumns.empty()) return -1;
+bool SqlEngine::searchEvent(int aConferenceId, const QMultiHash<QString,QString> &aColumns, const QString &aKeyword) {
+ if (aColumns.empty()) return false;
// DROP
- execQuery( db, "DROP TABLE IF EXISTS SEARCH_EVENT");
+ QSqlQuery query(db);
+ query.exec("DROP TABLE IF EXISTS SEARCH_EVENT");
+ emitSqlQueryError(query);
+
// CREATE
- execQuery( db, "CREATE TEMP TABLE SEARCH_EVENT ( xid_conference INTEGER NOT NULL, id INTEGER NOT NULL )");
+ query.exec("CREATE TEMP TABLE SEARCH_EVENT ( xid_conference INTEGER NOT NULL, id INTEGER NOT NULL )");
+ emitSqlQueryError(query);
+
// INSERT
QString sql = QString("INSERT INTO SEARCH_EVENT ( xid_conference, id ) "
"SELECT DISTINCT EVENT.xid_conference, EVENT.id FROM EVENT ");
if( aColumns.contains("ROOM") ){
- sql += "INNER JOIN EVENT_ROOM ON ( EVENT.xid_conference = EVENT_ROOM.xid_conference AND EVENT.id = EVENT_ROOM.xid_event ) ";
- sql += "INNER JOIN ROOM ON ( EVENT_ROOM.xid_room = ROOM.id ) ";
+ sql += "LEFT JOIN EVENT_ROOM ON ( EVENT.xid_conference = EVENT_ROOM.xid_conference AND EVENT.id = EVENT_ROOM.xid_event ) ";
+ sql += "LEFT JOIN ROOM ON ( EVENT_ROOM.xid_room = ROOM.id ) ";
}
if( aColumns.contains("PERSON") ){
- sql += "INNER JOIN EVENT_PERSON ON ( EVENT.xid_conference = EVENT_PERSON.xid_conference AND EVENT.id = EVENT_PERSON.xid_event ) ";
- sql += "INNER JOIN PERSON ON ( EVENT_PERSON.xid_person = PERSON.id ) ";
+ sql += "LEFT JOIN EVENT_PERSON ON ( EVENT.xid_conference = EVENT_PERSON.xid_conference AND EVENT.id = EVENT_PERSON.xid_event ) ";
+ sql += "LEFT JOIN PERSON ON ( EVENT_PERSON.xid_person = PERSON.id ) ";
}
sql += QString("WHERE EVENT.xid_conference = %1 AND (").arg( aConferenceId );
- QStringList searchKeywords = aKeyword.split(QRegExp("\\s+"));
- foreach (QString table, aColumns.uniqueKeys()){
- foreach (QString column, aColumns.values(table)){
- for (int i=0; i < searchKeywords.count(); i++){
- sql += QString("%1.%2 LIKE '\%' || :%1%2%3 || '\%' OR ").arg(table).arg(column).arg(i);
+ QStringList searchKeywords = aKeyword.trimmed().split(QRegExp("\\s+"));
+ QStringList whereAnd;
+ for (int i=0; i < searchKeywords.count(); i++) {
+ QStringList whereOr;
+ foreach (QString table, aColumns.uniqueKeys()) {
+ foreach (QString column, aColumns.values(table)){
+ whereOr.append(QString("%1.%2 LIKE '\%' || :%1%2%3 || '\%'").arg(table).arg(column).arg(i));
}
}
+ whereAnd.append(whereOr.join(" OR "));
}
- sql.chop( QString(" OR ").length() );
+ sql += whereAnd.join(") AND (");
sql += QString(")");
- QSqlQuery query(db);
query.prepare(sql);
- foreach (QString table, aColumns.uniqueKeys()){
- foreach (QString column, aColumns.values(table)){
- for (int i = 0; i != searchKeywords.size(); ++i) {
- QString keyword = searchKeywords[i];
+ for (int i = 0; i != searchKeywords.size(); ++i) {
+ QString keyword = searchKeywords[i];
+ foreach (QString table, aColumns.uniqueKeys()) {
+ foreach (QString column, aColumns.values(table)) {
query.bindValue(QString(":%1%2%3").arg(table).arg(column).arg(i), keyword );
}
}
}
- if( !query.exec() ){
- qDebug() << "Could not execute search query: " << query.lastError().text();
- return -1;
- }
+ bool success = query.exec();
+ emitSqlQueryError(query);
+ return success;
+}
- return 1;
+
+bool SqlEngine::beginTransaction() {
+ QSqlQuery query(db);
+ bool success = query.exec("BEGIN IMMEDIATE TRANSACTION");
+ emitSqlQueryError(query);
+ return success;
}
-bool SqlEngine::beginTransaction()
-{
- QSqlDatabase db = QSqlDatabase::database();
- return execQuery(db, "BEGIN IMMEDIATE TRANSACTION");
+bool SqlEngine::commitTransaction() {
+ QSqlQuery query(db);
+ bool success = query.exec("COMMIT");
+ emitSqlQueryError(query);
+ return success;
}
-bool SqlEngine::commitTransaction()
-{
- QSqlDatabase db = QSqlDatabase::database();
- return execQuery(db, "COMMIT");
+bool SqlEngine::rollbackTransaction() {
+ QSqlQuery query(db);
+ bool success = query.exec("ROLLBACK");
+ emitSqlQueryError(query);
+ return success;
}
-void SqlEngine::deleteConference(int id)
-{
- QSqlDatabase db = QSqlDatabase::database();
- if ( !db.isValid() || !db.isOpen()) {
- return;
+bool SqlEngine::deleteConference(int id) {
+ QSqlQuery query(db);
+ bool success = query.exec("BEGIN IMMEDIATE TRANSACTION");
+ emitSqlQueryError(query);
+
+ QStringList sqlList;
+ sqlList << "DELETE FROM LINK WHERE xid_conference = ?"
+ << "DELETE FROM EVENT_ROOM WHERE xid_conference = ?"
+ << "DELETE FROM EVENT_PERSON WHERE xid_conference = ?"
+ << "DELETE FROM EVENT WHERE xid_conference = ?"
+ << "DELETE FROM ROOM WHERE xid_conference = ?"
+ << "DELETE FROM PERSON WHERE xid_conference = ?"
+ << "DELETE FROM TRACK WHERE xid_conference = ?"
+ << "DELETE FROM CONFERENCE WHERE id = ?";
+
+ foreach (const QString& sql, sqlList) {
+ query.prepare(sql);
+ query.bindValue(0, id);
+ success &= query.exec();
+ emitSqlQueryError(query);
}
- beginTransaction();
+ success &= query.exec("COMMIT");
+ emitSqlQueryError(query);
- QHash<QString, QVariant> params;
- params["xid_conference"] = id;
- execQueryWithParameter(db, "DELETE FROM LINK WHERE xid_conference = :xid_conference", params);
- execQueryWithParameter(db, "DELETE FROM EVENT_ROOM WHERE xid_conference = :xid_conference", params);
- execQueryWithParameter(db, "DELETE FROM EVENT_PERSON WHERE xid_conference = :xid_conference", params);
- execQueryWithParameter(db, "DELETE FROM EVENT WHERE xid_conference = :xid_conference", params);
- execQueryWithParameter(db, "DELETE FROM ROOM WHERE xid_conference = :xid_conference", params);
- execQueryWithParameter(db, "DELETE FROM PERSON WHERE xid_conference = :xid_conference", params);
- execQueryWithParameter(db, "DELETE FROM TRACK WHERE xid_conference = :xid_conference", params);
- execQueryWithParameter(db, "DELETE FROM CONFERENCE WHERE id = :xid_conference", params);
-
- commitTransaction();
+ return success;
}
-bool SqlEngine::execQuery(QSqlDatabase &aDatabase, const QString &aQuery)
-{
- QSqlQuery sqlQuery(aDatabase);
- if( !sqlQuery.exec(aQuery) ){
- qDebug() << "SQL ERR: " << sqlQuery.lastError().number() << ", " << sqlQuery.lastError().text();
- return false;
- }
- return true;
-}
-bool SqlEngine::execQueryWithParameter(QSqlDatabase &aDatabase, const QString &aQuery, const QHash<QString, QVariant>& params)
-{
- QSqlQuery sqlQuery(aDatabase);
- sqlQuery.prepare(aQuery);
- foreach (QString param_key, params.keys()) {
- sqlQuery.bindValue(param_key, params[param_key]);
- }
- if( !sqlQuery.exec() ){
- qDebug() << "SQL ERR: " << sqlQuery.lastError().number() << ", " << sqlQuery.lastError().text();
- return false;
- }
- return true;
+void SqlEngine::emitSqlQueryError(const QSqlQuery &query) {
+ QSqlError error = query.lastError();
+ if (error.type() == QSqlError::NoError) return;
+ emit dbError(error.text());
}