/*
* Copyright (C) 2010 Ixonos Plc.
*
* This file is part of fosdem-schedule.
*
* fosdem-schedule 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.
*
* fosdem-schedule 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
* fosdem-schedule. If not, see .
*/
#include
#include
#include
#include
#include
#include
#include "sqlengine.h"
#include
#include
#include
const QString DATE_FORMAT ("yyyy-MM-dd");
const QString TIME_FORMAT ("hh:mm");
SqlEngine::SqlEngine(QObject *aParent)
: QObject(aParent)
{
}
SqlEngine::~SqlEngine()
{
}
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
{
// copy conference Db from resource, instead of creating
// empty tables and then parsing the schedule
QFile dbFile(aDatabaseName);
QFile(":/fosdem.sqlite").copy(aDatabaseName);
dbFile.setPermissions(QFile::ReadOwner | QFile::WriteOwner | QFile::ReadGroup | QFile::WriteGroup);
database.open();
}
else
{
database.open();
}
//LOG_INFO(QString("Opening '%1' database '%2'").arg(aDatabaseType).arg(aDatabaseName));
return result ? QString() : database.lastError().text();
}
void SqlEngine::initialize()
{
QString databaseName;
if(!QDir::home().exists(".fosdem"))
QDir::home().mkdir(".fosdem");
databaseName = QDir::homePath() + "/.fosdem/" + "fosdem.sqlite";
login("QSQLITE",databaseName);
}
void SqlEngine::addConferenceToDB(QHash &aConference)
{
QSqlDatabase db = QSqlDatabase::database();
if (db.isValid() && db.isOpen())
{
int confId = 0;
QList confsList = Conference::getAll();
if(confsList.count())
{
QListIterator i(confsList);
while (i.hasNext())
{
Conference conf = i.next();
if( aConference["title"] == conf.title() )
{
confId = conf.id();
aConference["id"] = QString::number(confId);
break;
}
}
}
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() << "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);
query.exec();
aConference["id"] = query.lastInsertId().toString(); // 'id' is assigned automatically
}
}
}
void SqlEngine::addEventToDB(QHash &aEvent)
{
//LOG_DEBUG(QString("Adding event '%1' to DB").arg(*aEvent));
QSqlDatabase db = QSqlDatabase::database();
if (db.isValid() && db.isOpen())
{
//insert event track to table and get track id
QString name = aEvent["track"];
Track track;
int trackId;
try
{
track = Track::retrieveByName(name);
trackId = track.id();
/*qDebug() << QString("DEBUG: Track %1 in DB").arg(name);*/
}
catch (OrmNoObjectException &e) {
track.setName(name);
trackId = track.insert();
/*qDebug() << QString("DEBUG: Track %1 added to DB").arg(name);*/
}
QDateTime startDateTime;
startDateTime.setTimeSpec(Qt::UTC);
startDateTime = QDateTime(QDate::fromString(aEvent["date"],DATE_FORMAT),QTime::fromString(aEvent["start"],TIME_FORMAT),Qt::UTC);
qDebug() << "startDateTime: " << startDateTime.toString();
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 props = QList()
<< "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::addPersonToDB(QHash &aPerson)
{
QSqlDatabase db = QSqlDatabase::database();
//TODO: check if the person doesn't exist before inserting
if (db.isValid() && db.isOpen())
{
QString values = QString("'%1', '%2'").arg(aPerson["id"],aPerson["name"]);
QString query = QString("INSERT INTO PERSON (id,name) VALUES (%1)").arg(values);
QSqlQuery result (query, db);
//LOG_AUTOTEST(query);
values = QString("'%1', '%2', '%3'").arg(aPerson["conference_id"],aPerson["event_id"],aPerson["id"]);
query = QString("INSERT INTO EVENT_PERSON (xid_conference,xid_event,xid_person) VALUES (%1)").arg(values);
QSqlQuery resultEventPerson (query, db);
//LOG_AUTOTEST(query);
}
}
void SqlEngine::addRoomToDB(QHash &aRoom)
{
QSqlDatabase db = QSqlDatabase::database();
if (db.isValid() && db.isOpen())
{
QString queryExist = QString("SELECT id FROM ROOM WHERE name='%1'").arg(aRoom["name"]);
QSqlQuery resultExist(queryExist,db);
// 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
int roomId = -1;
if(resultExist.next()) // ROOM record with 'name' already exists: we need to get its 'id'
{
roomId = resultExist.value(0).toInt();
}
else // ROOM record doesn't exist yet, need to create it
{
QString values = QString("'%1', '%2'").arg(aRoom["name"],aRoom["picture"]);
QString query = QString("INSERT INTO ROOM (name,picture) VALUES (%1)").arg(values);
QSqlQuery result (query, db);
roomId = result.lastInsertId().toInt(); // 'id' is assigned automatically
//LOG_AUTOTEST(query);
}
QString values = QString("'%1', '%2', '%3'").arg(aRoom["conference_id"],aRoom["event_id"],QString::number(roomId));
QString query = QString("INSERT INTO EVENT_ROOM (xid_conference,xid_event,xid_room) VALUES (%1)").arg(values);
QSqlQuery result (query, db);
//LOG_AUTOTEST(query);
}
}
void SqlEngine::addLinkToDB(QHash &aLink)
{
QSqlDatabase db = QSqlDatabase::database();
//TODO: check if the link doesn't exist before inserting
if (db.isValid() && db.isOpen())
{
QString values = QString("'%1', '%2', '%3', '%4'").arg(aLink["event_id"],aLink["conference_id"],aLink["name"],aLink["url"]);
QString query = QString("INSERT INTO LINK (xid_event, xid_conference, name, url) VALUES (%1)").arg(values);
QSqlQuery result(query, db);
//LOG_AUTOTEST(query);
}
}
int SqlEngine::searchEvent(int aConferenceId, const QHash &aColumns, const QString &aKeyword)
{
QSqlDatabase db = QSqlDatabase::database();
if ( !db.isValid() || !db.isOpen())
return -1;
// DROP
execQuery( db, "DROP TABLE IF EXISTS SEARCH_EVENT;");
// CREATE
execQuery( db, "CREATE TEMP TABLE SEARCH_EVENT ( xid_conference INTEGER NOT NULL, id INTEGER NOT NULL );");
// INSERT
QString query = QString("INSERT INTO SEARCH_EVENT ( xid_conference, id ) "
"SELECT EVENT.xid_conference, EVENT.id FROM EVENT ");
if( aColumns.contains("ROOM") ){
query += "INNER JOIN EVENT_ROOM ON ( EVENT.xid_conference = EVENT_ROOM.xid_conference AND EVENT.id = EVENT_ROOM.xid_event ) ";
query += "INNER JOIN ROOM ON ( EVENT_ROOM.xid_room = ROOM.id ) ";
}
if( aColumns.contains("PERSON") ){
query += "INNER JOIN EVENT_PERSON ON ( EVENT.xid_conference = EVENT_PERSON.xid_conference AND EVENT.id = EVENT_PERSON.xid_event ) ";
query += "INNER JOIN PERSON ON ( EVENT_PERSON.xid_person = PERSON.id ) ";
}
query += QString("WHERE EVENT.xid_conference = %1 AND (").arg( aConferenceId );
foreach (QString table, aColumns.uniqueKeys()){
foreach (QString column, aColumns.values(table)){
query += QString("%1.%2 LIKE '\%%3\%' OR ").arg( table, column, aKeyword );
}
}
query.chop( QString(" OR ").length() );
query += QString(");");
execQuery( db, query );
return 1;
}
bool SqlEngine::beginTransaction()
{
QSqlDatabase db = QSqlDatabase::database();
return execQuery(db, "BEGIN IMMEDIATE TRANSACTION");
}
bool SqlEngine::commitTransaction()
{
QSqlDatabase db = QSqlDatabase::database();
return execQuery(db, "COMMIT");
}
void SqlEngine::deleteConference(int id)
{
QSqlDatabase db = QSqlDatabase::database();
if ( !db.isValid() || !db.isOpen()) {
return;
}
beginTransaction();
QHash 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 CONFERENCE WHERE id = :xid_conference", params);
execQuery(db, "DELETE FROM ROOM WHERE NOT EXISTS(SELECT * FROM EVENT_ROOM WHERE xid_room = ROOM.id)");
execQuery(db, "DELETE FROM PERSON WHERE NOT EXISTS(SELECT * FROM EVENT_PERSON WHERE xid_person = PERSON.id)");
commitTransaction();
}
bool SqlEngine::execQuery(QSqlDatabase &aDatabase, const QString &aQuery)
{
//qDebug() << "\nSQL: " << aQuery;
QSqlQuery sqlQuery(aDatabase);
if( !sqlQuery.exec(aQuery) ){
qDebug() << "SQL ERR: " << sqlQuery.lastError().number() << ", " << sqlQuery.lastError().text();
return false;
}
else{
//qDebug() << "SQL OK.\n";
return true;
}
}
bool SqlEngine::execQueryWithParameter(QSqlDatabase &aDatabase, const QString &aQuery, const QHash& params)
{
qDebug() << "SQL:" << aQuery << "params:" << 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;
}
else{
//qDebug() << "SQL OK.\n";
return true;
}
}