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#include <QCoreApplication>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QSettings>
#include <QSqlDatabase>
#include <QSqlField>
#include <QSqlQuery>
#include <QSqlRecord>
#include <QSqlError>
#include "db_sqlite.h"
BackendDB::BackendDB() {
QString db_path(getDBPath());
int i;
// Check if database already exists
if(QFile::exists(db_path))
return;
// Check if directory exists
if(!QFileInfo(db_path).dir().exists()) {
if(!QFileInfo(db_path).dir().mkpath(QFileInfo(db_path).dir().absolutePath())) {
qDebug() << "Error creating db file";
std::exit(1);
}
}
// Create database
{
QSqlDatabase database(this->openDB());
QSqlQuery query;
// Erase database contents so that we don't have duplicates
query.exec("DROP TABLE groups");
query.exec("DROP TABLE entries");
query.exec("DROP TABLE rules");
for(i = 0; i < BackendDB::create_table_queries.length(); ++i)
query.exec(BackendDB::create_table_queries[i]);
}
QSqlDatabase::removeDatabase("qt_sql_default_connection");
}
// load groups
QList<Group *> BackendDB::loadGroups() {
QList<Group *> output;
{
QSqlDatabase database(this->openDB());
QSqlQuery query;
query.exec("SELECT * FROM groups");
while(query.next()) {
output.append(new Group(
query.record().field("id").value().toInt(),
query.record().field("name").value().toString(),
query.record().field("column").value().toString(),
query.record().field("link").value().toString(),
query.record().field("hidden").value().toBool()));
}
}
QSqlDatabase::removeDatabase("qt_sql_default_connection");
return output;
}
// load entries
QList<Entry *> BackendDB::loadEntries() {
QList<Entry *> output;
{
QSqlDatabase database(this->openDB());
QSqlQuery query;
query.exec("SELECT * FROM groups");
while(query.next()) {
output.append(new Entry(
query.record().field("id").value().toInt(),
query.record().field("parent_id").value().toInt(),
query.record().field("description").value().toString(),
query.record().field("due_date").value().toDateTime(),
query.record().field("alt_due_date").value().toString(),
query.record().field("link").value().toUrl(),
query.record().field("color").value().toString(),
query.record().field("highlight").value().toString(),
query.record().field("done").value().toBool(),
query.record().field("hidden").value().toBool()));
}
}
QSqlDatabase::removeDatabase("qt_sql_default_connection");
return output;
}
// load entries
QList<Rule *> BackendDB::loadRules() {
QList<Rule *> output;
{
QSqlDatabase database(this->openDB());
QSqlQuery query;
query.exec("SELECT * FROM groups");
while(query.next()) {
output.append(new Rule(
query.record().field("id").value().toInt(),
query.record().field("entry_id").value().toInt(),
(Rule::When) query.record().field("before_after").value().toInt(),
query.record().field("date").value().toDateTime(),
query.record().field("color").value().toString(),
query.record().field("highlight").value().toString()));
}
}
QSqlDatabase::removeDatabase("qt_sql_default_connection");
return output;
}
// insert group to the database (returns 0 if failed)
int BackendDB::insertGroup(const Group &new_group) {
int output;
{
QSqlDatabase database(this->openDB());
QSqlQuery query;
query.prepare("INSERT INTO groups (name, column, link) VALUES (?, ?, ?)");
query.bindValue(0, new_group.name);
query.bindValue(1, new_group.column);
query.bindValue(2, new_group.link);
query.exec();
output = query.lastInsertId().toInt();
}
QSqlDatabase::removeDatabase("qt_sql_default_connection");
return output;
}
QString BackendDB::getDBPath() {
QSettings settings;
settings.beginGroup("paths");
return settings.value("db_path").toString();
}
QSqlDatabase BackendDB::openDB() {
QSqlDatabase database = QSqlDatabase::addDatabase("QSQLITE");
database.setDatabaseName(getDBPath());
database.open();
if(database.isOpenError()) {
// FIXME end-user friendly error message
qDebug() << database.lastError();
std::exit(1);
}
return database;
}
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