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database.cpp
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database.cpp
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/*
Copyright (C) 2014 Sialan Labs
http://labs.sialan.org
Kaqaz 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 3 of the License, or
(at your option) any later version.
Kaqaz 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "kaqazmacros.h"
#define CACHE_SIZE 20
#define DB_EMIT if( !p->signal_blocker ) emit
#define BEGIN \
BEGIN_FNC_DEBUG \
begin();
#define COMMIT \
if( p->commit_timer ) {\
killTimer(p->commit_timer); \
p->commit_timer = 0; \
} \
p->uncommited++; \
if( p->uncommited > 40 ) \
commit(); \
else \
p->commit_timer = startTimer(800); \
END_FNC_DEBUG
#include "database.h"
#include "kaqazmacros.h"
#include "kaqaz.h"
#include "sialandeveloper_macros.h"
#include <QSqlDatabase>
#include <QSqlQuery>
#include <QSqlRecord>
#include <QSqlError>
#include <QDebug>
#include <QHash>
#include <QVariant>
#include <QStringList>
#include <QMap>
#include <QUuid>
#include <QCoreApplication>
#include <QTimerEvent>
class DatabasePrivate
{
public:
QSqlDatabase db;
QString password;
QMap<int,GroupClass> groups;
QMap<int,ActivityClass> activities;
QList<PaperClass> papers;
SyncItemHash syncs;
QSet<int> cached_papers_ids;
int current_activity;
int max_paper_id;
QHash<QString,QString> general;
QString path;
bool signal_blocker;
bool begined;
int commit_timer;
int uncommited;
};
Database::Database(QObject *parent) :
QObject(parent)
{
p = new DatabasePrivate;
p->current_activity = 0;
p->max_paper_id = 0;
p->path = Kaqaz::instance()->profilePath() + "/database.sqlite";
p->signal_blocker = false;
p->begined = false;
p->commit_timer = 0;
p->uncommited = 0;
qRegisterMetaType<SyncItemHash>("SyncItemHash");
qRegisterMetaType<SyncItem>("SyncItem");
if( !Kaqaz::settings()->value("initialize/userdata_db",false).toBool() )
{
QFile::copy(":/files/database/database.sqlite",p->path);
QFile(p->path).setPermissions(QFileDevice::WriteOwner|QFileDevice::WriteGroup|QFileDevice::ReadUser|QFileDevice::ReadGroup);
}
Kaqaz::settings()->setValue("initialize/userdata_db",true);
p->db = QSqlDatabase::addDatabase( "QSQLITE", DATA_DB_CONNECTION );
setPath(p->path);
}
void Database::connect()
{
if( p->db.isOpen() )
return;
p->db.open();
reinit_buffer();
update_database();
}
void Database::disconnect()
{
if( !p->db.isOpen() )
return;
p->db.close();
}
void Database::setPath(const QString &path)
{
p->path = path;
disconnect();
p->db.setDatabaseName(p->path);
connect();
}
QString Database::path() const
{
return p->path;
}
void Database::setCurrentActivity(int activity)
{
if( activity == p->current_activity )
return;
p->current_activity = activity;
DB_EMIT currentActivityChanged();
}
int Database::currentActivity() const
{
return p->current_activity;
}
void Database::begin()
{
if( p->begined )
return;
QSqlQuery query( p->db );
query.prepare( "BEGIN" );
query.exec();
p->begined = true;
}
void Database::commit()
{
if( !p->begined )
return;
QSqlQuery query( p->db );
query.prepare( "COMMIT" );
query.exec();
p->uncommited = 0;
p->begined = false;
}
QList<int> Database::dates()
{
QSqlQuery query(p->db);
query.prepare("SELECT cdate FROM Papers");
query.exec();
if( query.lastError().isValid() )
qDebug() << query.lastError();
QSet<int> res_set;
while( query.next() )
{
QSqlRecord record = query.record();
res_set << record.value(0).toInt();
}
QList<int> _result = res_set.toList();
qSort(_result.begin(),_result.end());
QList<int> result;
foreach( int r, _result )
result.prepend(r);
return result;
}
QList<int> Database::lastThreeDays()
{
int current_day = QDate(1,1,1).daysTo(QDate::currentDate());
const QSet<int> & tmp_res = dates().toSet();
QList<int> result;
if( tmp_res.contains(current_day) )
result << current_day;
if( tmp_res.contains(current_day-1) )
result << current_day-1;
if( tmp_res.contains(current_day-2) )
result << current_day-2;
return result;
}
int Database::papersCountOf(const QDate &date)
{
QSqlQuery query(p->db);
query.prepare("SELECT count(id) FROM Papers WHERE cdate=:date");
query.bindValue(":date",QDate(1,1,1).daysTo(date));
query.exec();
if( query.lastError().isValid() )
qDebug() << query.lastError();
if( !query.next() )
return 0;
QSqlRecord record = query.record();
return record.value(0).toInt();
}
QList<int> Database::papersOf(const QDate &date)
{
QSqlQuery query(p->db);
query.prepare("SELECT id,ctime FROM Papers WHERE cdate=:date");
query.bindValue(":date",QDate(1,1,1).daysTo(date));
query.exec();
if( query.lastError().isValid() )
qDebug() << query.lastError();
QMap<int,int> result;
while( query.next() )
{
QSqlRecord record = query.record();
int id = record.value(0).toInt();
int ctime = record.value(1).toInt();
result.insertMulti( ctime, id );
}
return result.values();
}
QList<int> Database::papersOf(int group_id)
{
QSqlQuery query(p->db);
query.prepare("SELECT id,ctime,cdate FROM Papers WHERE grp=:grp");
query.bindValue(":grp",group_id);
query.exec();
if( query.lastError().isValid() )
qDebug() << query.lastError();
QMap<qint64,int> result;
while( query.next() )
{
QSqlRecord record = query.record();
int id = record.value(0).toInt();
int ctime = record.value(1).toInt();
int cdate = record.value(2).toInt();
result.insertMulti( cdate*3600*25+ctime, id );
}
return result.values();
}
QList<int> Database::papers()
{
QSqlQuery query(p->db);
query.prepare("SELECT id,ctime,cdate FROM Papers");
query.exec();
if( query.lastError().isValid() )
qDebug() << query.lastError();
QMap<int,int> result;
while( query.next() )
{
QSqlRecord record = query.record();
int id = record.value(0).toInt();
int ctime = record.value(1).toInt();
int cdate = record.value(2).toInt();
result.insertMulti( -(cdate*3600*25+ctime), id );
}
return result.values();
}
QHash<int,qint64> *search_sort_result;
QHash<int,int> *search_sort_result_counts;
QSet<int> *search_sort_result_exact;
bool searchSort( int a, int b )
{
QHash<int,qint64> & result = *search_sort_result;
QHash<int,int> & result_counts = *search_sort_result_counts;
QSet<int> & result_exact = *search_sort_result_exact;
if( result_exact.contains(a) && !result_exact.contains(b) )
return true;
const int a_res_cnt = result_counts[a];
const int b_res_cnt = result_counts[b];
if( a_res_cnt > b_res_cnt )
return true;
if( a_res_cnt < b_res_cnt )
return false;
const qint64 a_data = result[a];
const qint64 b_data = result[b];
if( a_data > b_data )
return true;
if( a_data < b_data )
return false;
return a>b;
}
QList<int> Database::search(const QString &keyword)
{
QString query_str = "SELECT id,ctime,cdate FROM Papers WHERE title LIKE :fkwrd OR text LIKE :skwrd";
return searchQuery(query_str,keyword);
}
QList<int> Database::advanceSearch(const QString &keyword, const QDate &startDate, const QDate &endDate, const QTime &startTime, const QTime &endTime, int group, int domain, const QRectF & geo, const QString & weather )
{
BEGIN_FNC_DEBUG
QString query_str = "SELECT id,ctime,cdate FROM Papers WHERE ";
QHash<QString,QVariant> boundValues;
bool has_previous = false;
if( !keyword.isEmpty() )
{
query_str += "(title LIKE :fkwrd OR text LIKE :skwrd)";
has_previous = true;
}
if( !startDate.isNull() )
{
if( has_previous )
query_str += " AND ";
query_str += "cdate>=:csdate";
boundValues.insert(":csdate",QDate(1,1,1).daysTo(startDate));
has_previous = true;
}
if( !endDate.isNull() )
{
if( has_previous )
query_str += " AND ";
query_str += "cdate<=:cedate";
boundValues.insert(":cedate",QDate(1,1,1).daysTo(endDate));
has_previous = true;
}
if( !startTime.isNull() )
{
if( has_previous )
query_str += " AND ";
query_str += "ctime>=:cstime";
boundValues.insert(":cstime",QTime(0,0,0).secsTo(startTime));
has_previous = true;
}
if( !endTime.isNull() )
{
if( has_previous )
query_str += " AND ";
query_str += "ctime<=:cetime";
boundValues.insert(":cetime",QTime(0,0,0).secsTo(endTime));
has_previous = true;
}
if( group != -1 )
{
if( has_previous )
query_str += " AND ";
query_str += "grp=:grp";
boundValues.insert(":grp",group);
has_previous = true;
}
if( !weather.isEmpty() )
{
if( has_previous )
query_str += " AND ";
query_str += "weather=:wthr";
boundValues.insert(":wthr",weather);
has_previous = true;
}
if( geo.isValid() )
{
if( has_previous )
query_str += " AND ";
query_str += ":llttd<latitude AND latitude<:blttd";
boundValues.insert(":llttd",geo.y());
boundValues.insert(":blttd",geo.y()+geo.height());
query_str += " AND ";
query_str += ":llntd<longitude AND longitude<:blntd";
boundValues.insert(":llntd",geo.x());
boundValues.insert(":blntd",geo.x()+geo.width());
has_previous = true;
}
if( domain != Enums::AllPapers )
{
if( has_previous )
query_str += " AND ";
query_str += "type=:type";
switch( domain )
{
case Enums::NormalPapers:
boundValues.insert(":type",static_cast<int>(Enums::Normal));
break;
case Enums::ToDoPapers:
boundValues.insert(":type",static_cast<int>(Enums::ToDo));
break;
case Enums::UncompletedTasks:
query_str += " AND text LIKE :kwd";
boundValues.insert(":kwd","%- %");
boundValues.insert(":type",static_cast<int>(Enums::ToDo));
break;
case Enums::CompletedTasks:
query_str += " AND text LIKE :kwd";
boundValues.insert(":kwd","%* %");
boundValues.insert(":type",static_cast<int>(Enums::ToDo));
break;
}
has_previous = true;
}
END_FNC_DEBUG
if( !has_previous )
return QList<int>();
return searchQuery(query_str,keyword,boundValues);
}
QList<int> Database::searchQuery(const QString &qry_str, const QString & kw, const QHash<QString, QVariant> & boundValues)
{
BEGIN_FNC_DEBUG
QHash<int,qint64> result;
QHash<int,int> result_counts;
QSet<int> result_exact;
QStringList keywords = kw.split(" ",QString::SkipEmptyParts);
keywords.prepend(kw);
bool first_done = false;
foreach( const QString & keyword, keywords )
{
QSqlQuery query(p->db);
query.prepare(qry_str);
query.bindValue(":fkwrd","%"+keyword+"%");
query.bindValue(":skwrd","%"+keyword+"%");
QHashIterator<QString, QVariant> bvi(boundValues);
while( bvi.hasNext() )
{
bvi.next();
query.bindValue(bvi.key(),bvi.value());
}
query.exec();
if( query.lastError().isValid() )
qDebug() << query.lastError() << query.lastQuery() << query.boundValues();
while( query.next() )
{
QSqlRecord record = query.record();
int id = record.value(0).toInt();
int ctime = record.value(1).toInt();
int cdate = record.value(2).toInt();
result_counts[id]++;
if( result.contains(id) )
continue;
result.insert( id, cdate*3600*25+ctime );
if( !first_done )
result_exact.insert(id);
}
first_done = true;
}
search_sort_result = &result;
search_sort_result_counts = &result_counts;
search_sort_result_exact = &result_exact;
QList<int> final_result = result.keys();
qSort(final_result.begin(),final_result.end(),searchSort);
END_FNC_DEBUG
return final_result;
}
int Database::createPaper( const QString & uuid )
{
PaperClass paper;
paper.id = p->max_paper_id;
paper.uuid = uuid.isEmpty()? QUuid::createUuid().toString() : uuid;
paper.create = QDateTime::currentDateTime();
paper.group = 0;
paper.activity = 0;
p->max_paper_id++;
savePaper(paper);
emit datesListChanged();
return paper.id;
}
void Database::deletePaper(int id)
{
PaperClass paper = getPaper(id);
QSqlQuery query(p->db);
query.prepare("DELETE FROM Papers WHERE id=:id");
query.bindValue(":id", id);
query.exec();
if( p->cached_papers_ids.contains(id) )
{
for( int i=0; i<p->papers.count(); i++ )
{
PaperClass & ppr = p->papers[i];
if( ppr.id != id )
continue;
p->papers.removeAt(i);
break;
}
p->cached_papers_ids.remove(id);
}
const QStringList & files = paperFiles(id);
foreach( const QString & f, files )
removeFileFromPaper(id,f);
setRevision(paper.uuid,-2);
emit paperGroupChanged(id);
}
void Database::setPaper(int id, const QString &title, const QString &text, int group)
{
PaperClass paper = getPaper(id);
if( paper.id == -1 )
return;
if( paper.title == title && paper.text == text && paper.group == group )
return;
paper.title = title;
paper.text = text;
paper.group = group;
savePaper(paper);
emit paperGroupChanged(id);
}
void Database::setPaper(const QString &uuid, const QString &title, const QString &text, const QString &group, const QString &date, const QGeoCoordinate & location, int type, const QString & weather, int temperature)
{
int paper_id = paperUuidId(uuid);
if( paper_id == -1 )
paper_id = createPaper(uuid);
int group_id = groupUuidId(group);
if( group_id == -1 )
group_id = createGroup(group);
PaperClass paper = getPaper(paper_id);
paper.uuid = uuid;
paper.title = title;
paper.text = text;
paper.group = group_id;
paper.location = location;
paper.create = QDateTime::fromString(date);
paper.type = static_cast<Enums::PaperType>(type);
paper.weather = weather;
paper.temperature = temperature;
savePaper(paper);
emit datesListChanged();
emit paperGroupChanged(paper_id);
}
QString Database::paperTitle(int id)
{
return getPaper(id).title;
}
void Database::setPaperTitle(int id, const QString &title)
{
PaperClass paper = getPaper(id);
if( paper.id == -1 )
return;
if( paper.title == title )
return;
paper.title = title;
savePaper(paper);
}
QString Database::paperText(int id)
{
return getPaper(id).text;
}
void Database::setPaperText(int id, const QString &text)
{
PaperClass paper = getPaper(id);
if( paper.id == -1 )
return;
if( paper.text == text )
return;
paper.text = text;
savePaper(paper);
}
int Database::paperType(int id)
{
return getPaper(id).type;
}
void Database::setPaperType(int id, int type)
{
PaperClass paper = getPaper(id);
if( type == -1 )
return;
if( paper.type == type )
return;
paper.type = static_cast<Enums::PaperType>(type);
savePaper(paper);
}
int Database::paperTemperature(int id)
{
return getPaper(id).temperature;
}
void Database::setPaperTemperature(int id, int tmp)
{
PaperClass paper = getPaper(id);
if( paper.id == -1 )
return;
if( paper.temperature == tmp )
return;
paper.temperature = tmp;
savePaper(paper);
}
QString Database::paperWeather(int id)
{
return getPaper(id).weather;
}
void Database::setPaperWeather(int id, const QString &weather)
{
PaperClass paper = getPaper(id);
if( paper.id == -1 )
return;
if( paper.weather == weather )
return;
paper.weather = weather;
savePaper(paper);
}
int Database::paperGroup(int id)
{
return getPaper(id).group;
}
void Database::setPaperGroup(int id, int group)
{
PaperClass paper = getPaper(id);
if( paper.id == -1 )
return;
if( paper.group == group )
return;
paper.group = group;
savePaper(paper);
emit paperGroupChanged(id);
}
QDateTime Database::paperCreatedDate(int id)
{
return getPaper(id).create;
}
void Database::setPaperCreatedDate(int id, const QDateTime &dt)
{
PaperClass paper = getPaper(id);
if( paper.id == -1 )
return;
if( paper.create == dt )
return;
paper.create = dt;
savePaper(paper);
}
QDateTime Database::paperModifiedDate(int id)
{
return getPaper(id).modified;
}
QString Database::paperUuid(int id)
{
return getPaper(id).uuid;
}
int Database::paperActivity(int id)
{
return getPaper(id).activity;
}
QGeoCoordinate Database::paperLocation(int id)
{
return getPaper(id).location;
}
void Database::setPaperLocation(int id, const QGeoCoordinate &coo)
{
PaperClass paper = getPaper(id);
if( paper.id == -1 )
return;
if( paper.location == coo )
return;
paper.location = coo;
savePaper(paper);
}
void Database::setPaperLocation(int id, const QPointF &point)
{
setPaperLocation( id, QGeoCoordinate(point.y(), point.x()) );
}
int Database::paperUuidId(const QString &uuid)
{
QSqlQuery query(p->db);
query.prepare("SELECT id FROM Papers WHERE uuid=:uuid");
query.bindValue(":uuid",uuid);
query.exec();
if( !query.next() )
return -1;
return query.record().value(0).toInt();
}
QStringList Database::paperFiles(int id)
{
QSqlQuery query(p->db);
query.prepare("SELECT file,adate,atime FROM Files WHERE paper=:id");
query.bindValue(":id",id);
query.exec();
QMap<qint64,QString> result;
while( query.next() )
{
QSqlRecord record = query.record();
int adate = record.value(1).toInt();
int atime = record.value(2).toInt();
result.insertMulti( adate*3600*25+atime, record.value(0).toString() );
}
return result.values();
}
bool Database::hasFiles(int id)
{
QSqlQuery query(p->db);
query.prepare("SELECT file FROM Files WHERE paper=:id");
query.bindValue(":id",id);
query.exec();
return query.next();
}
void Database::addFileToPaper(int id, const QString &file)
{
const QDateTime & modified = QDateTime::currentDateTime();
addCustomFileToPaper( id, file, QDateTime(QDate(1,1,1),QTime(0,0,0)).secsTo(modified) );
}
void Database::addCustomFileToPaper(int id, const QString &file, qint64 date)
{
BEGIN
const QDateTime & modified = QDateTime(QDate(1,1,1),QTime(0,0,0)).addSecs(date);
QSqlQuery query(p->db);
query.prepare("INSERT OR REPLACE INTO Files (paper,file,adate,atime) VALUES (:id,:file,:adate,:atime)");
query.bindValue(":id" , id);
query.bindValue(":file" , file);
query.bindValue(":adate",QDate(1,1,1).daysTo(modified.date()));
query.bindValue(":atime",QTime(0,0,0).secsTo(modified.time()));
query.exec();
DB_EMIT filesListChanged();
COMMIT
}
void Database::removeFileFromPaper(int id, const QString &file)
{
BEGIN
QSqlQuery query(p->db);
query.prepare("DELETE FROM Files WHERE paper=:id AND file=:file");
query.bindValue(":id" , id);
query.bindValue(":file" , file);
query.exec();
bool containt = fileContaintOnDatabase(file);
if( !containt )
DB_EMIT fileDeleted(file);
DB_EMIT filesListChanged();
COMMIT
}
bool Database::fileContaintOnDatabase(const QString &file)
{
QSqlQuery query(p->db);
query.prepare("SELECT paper FROM Files WHERE file=:file");
query.bindValue(":file",file);
query.exec();
return query.next();
}
qint64 Database::fileTime(int id, const QString &file)
{
QSqlQuery query(p->db);
query.prepare("SELECT adate,atime FROM Files WHERE paper=:id AND file=:file");
query.bindValue(":id",id);
query.bindValue(":file",file);
query.exec();
if( !query.next() )
return 0;
QSqlRecord record = query.record();
int adate = record.value(1).toInt();
int atime = record.value(2).toInt();
QDateTime dt = QDateTime( QDate(1,1,1).addDays(adate), QTime(0,0,0).addSecs(atime) );
return QDateTime(QDate(1,1,1),QTime(0,0,0)).secsTo(dt);
}
QList<int> Database::groups()
{
QMap<QString,int> res;
QMapIterator<int,GroupClass> i(p->groups);
while( i.hasNext() )
{
i.next();
if( i.key() == 0 )
continue;
res.insertMulti( i.value().name, i.key() );
}
QList<int> result = res.values();
result.prepend(0);
return result;
}
bool Database::groupIsDeleted(int id)
{
if( !p->groups.contains(id) )
return true;
else
return p->groups.value(id).name.isEmpty();
}
int Database::createGroup(const QString & uuid)
{
GroupClass group;
QMapIterator<int,GroupClass> gi(p->groups);
while( gi.hasNext() )
{
gi.next();
const GroupClass & gr = gi.value();
if( gr.uuid != uuid )
continue;
group = gr;
}
if( group.uuid.isEmpty() )
{
group.id = p->groups.isEmpty()? 1 : p->groups.lastKey()+1;
group.name = "";
group.color = QColor("#000000");
if( group.id == 0 )
group.uuid = NO_GROUP_UUID;
else
group.uuid = uuid.isEmpty()? QUuid::createUuid().toString() : uuid;
saveGroup(group);
}
return group.id;
}
void Database::deleteGroup(int id)
{
if( !p->groups.contains(id) )
return;
GroupClass group = p->groups.value(id);
group.name.clear();
saveGroup(group);
BEGIN
QSqlQuery update_query( p->db );
update_query.prepare( "UPDATE Papers SET grp=0 WHERE grp=:grp");
update_query.bindValue( ":grp", id );
update_query.exec();
for( int i=0; i<p->papers.count(); i++ )
if( p->papers.at(i).group == id )
p->papers[i].group = 0;
COMMIT
}
void Database::setGroup(const QString &uuid, const QString &name, const QString &color)
{
int id = groupUuidId(uuid);
if( id == -1 )
id = createGroup(uuid);
GroupClass gr = p->groups.value(id);
gr.color = color;
gr.name = name.trimmed();
gr.uuid = uuid;
saveGroup(gr);
}
QString Database::groupName(int id)
{
return p->groups.value(id).name;
}
void Database::setGroupName(int id, const QString &name)
{
if( !p->groups.contains(id) )
return;
if( p->groups.value(id).name == name )
return;
p->groups[id].name = name.trimmed();
saveGroup(p->groups[id]);
}
QColor Database::groupColor(int id)
{
return p->groups.value(id).color;
}
void Database::setGroupColor(int id, const QColor & color)
{
if( !p->groups.contains(id) )
return;
if( p->groups.value(id).color == color )
return;
p->groups[id].color = color;
saveGroup(p->groups[id]);