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#include "jiddb.h"
#include <QDir>
#include <QSqlQuery>
#include <QStandardPaths>
#include <QTimeZone>
#include <QVariant>
#include <iostream>
#include <stdexcept>
JidDb::JidDb(const QString &jid) :
jid(jid),
db(QSqlDatabase::addDatabase("QSQLITE"))
{
const auto path = QStandardPaths::writableLocation(
QStandardPaths::AppDataLocation);
const QDir dir;
if (!dir.exists(path) && !dir.mkdir(path))
throw std::runtime_error("Failed to create app dir");
const auto abspath = path + "/" + jid + ".db";
db.setDatabaseName(abspath);
if (!db.open())
throw std::runtime_error(qPrintable("database" + abspath
+ "could not be created"));
QSqlQuery q(db);
if (!q.exec("create table if not exists roster "
"(jid TEXT unique) strict;"))
std::cerr << "JidDb::JidDb: query exec failed" << std::endl;
}
int JidDb::addToRoster(const QString &jid)
{
QSqlQuery q(db);
if (!q.exec("insert or ignore into roster (jid) values ('" + jid + "');"))
{
std::cerr << "JidDb::addToRoster: query exec failed" << std::endl;
return -1;
}
Q_EMIT addedToRoster(jid);
return 0;
}
int JidDb::addToRoster(const QStringList &roster)
{
for (const auto &r : roster)
if (addToRoster(r))
return -1;
return 0;
}
QStringList JidDb::roster() const
{
QStringList ret;
QSqlQuery q(db);
if (!q.exec("select jid from roster;"))
std::cerr << "query exec failed" << std::endl;
else
while (q.next())
ret.append(q.value("jid").toString());
return ret;
}
int JidDb::ensureContactDb(const QString &jid) const
{
QSqlQuery q(db);
if (!q.exec("create table if not exists '" + jid +
"' (direction TEXT, time INTEGER, body TEXT) strict;"))
{
std::cerr << "JidDb::storeMessage: query exec failed" << std::endl;
return -1;
}
return 0;
}
QList<JidDb::Message> JidDb::messages(const QString &jid,
const int tail) const
{
QSqlQuery q(db);
if (ensureContactDb(jid))
return QList<Message>();
else if (tail < 0)
{
if (!q.exec("select * from '" + jid + "' order by time;"))
{
std::cerr << "JidDb::messages: query exec failed";
return QList<Message>();
}
}
else if (!q.exec("select * from '" + jid + "' order by time desc limit "
+ QString::number(tail) + ";"))
{
std::cerr << "JidDb::messages: query exec failed" << std::endl;
return QList<Message>();
}
QList<Message> ret;
while (q.next())
{
Message m;
bool ok;
qlonglong t = q.value("time").toLongLong(&ok);
if (!ok)
{
std::cerr << "JidDb::messages: invalid time" << std::endl;
// Attempt to read other messages.
continue;
}
m.body = q.value("body").toString();
m.dt = QDateTime::fromSecsSinceEpoch(t, QTimeZone::systemTimeZone());
const auto dirstr = q.value("direction").toString();
if (dirstr == "in")
m.direction = Direction::In;
else if (dirstr == "out")
m.direction = Direction::Out;
else
{
std::cerr << "JidDb::messages: invalid direction" << std::endl;
// Attempt to read other messages.
continue;
}
ret << m;
}
return ret;
}
int JidDb::storeMessage(const JidDb::Message &msg) const
{
QSqlQuery q(db);
QString dir;
switch (msg.direction)
{
case Direction::In:
dir = "in";
break;
case Direction::Out:
dir = "out";
break;
}
ensureContactDb(msg.contact);
if (!q.exec("insert into '" + msg.contact
+ "' (direction, time, body) values "
"('" + dir + "', "
+ QString::number(msg.dt.toSecsSinceEpoch()) + ", "
"'" + msg.body + "')"))
{
std::cerr << "JidDb::storeMessage: query exec 2 failed" << std::endl;
return -1;
}
return 0;
}
QStringList JidDb::tables() const
{
QSqlQuery q(db);
if (!q.exec("select name from sqlite_schema where "
"type = 'table' and name not like 'sqlite_%'"))
{
std::cerr << "JidDb::conversations: query failed" << std::endl;
return QStringList();
}
QStringList ret;
while (q.next())
ret << q.value("name").toString();
return ret;
}
QList<JidDb::Conversation> JidDb::conversations() const
{
const auto conversations = tables();
QList<Conversation> ret;
for (const auto &jid : conversations)
if (jid.contains('@'))
{
const auto msgs = messages(jid, 1);
if (!msgs.isEmpty())
{
const auto &m = msgs.first();
ret << Conversation(jid, m.body, m.dt);
}
}
return ret;
}
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