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/* -*- c++ -*- */
/***************************************************************************
* database.cc
*
* Sat Apr 23 19:09:12 CEST 2022
* Copyright 2022 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Qookie.
*
* Qookie 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.
*
* Qookie 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 Qookie; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "database.h"
#include <sqlite3.h>
#include <iostream>
// https://www.tutorialspoint.com/sqlite/sqlite_c_cpp.htm
Database::Database(const std::string& file)
{
auto rc = sqlite3_open(file.data(), &db); // https://sqlite.org/c3ref/open.html
if(rc)
{
std::cerr << "Can't open database: " << sqlite3_errmsg(db) << '\n';
return;
}
else
{
std::cout << "Opened database successfully\n";
}
}
Database::~Database()
{
sqlite3_close(db);
}
std::deque<RecipeItem> Database::getRecipes()
{
std::deque<RecipeItem> items;
std::string sql = "select id, title, image from recipe";
sqlite3_stmt *statement;
if(sqlite3_prepare_v2(db, sql.data(), sql.length(), &statement, 0) != SQLITE_OK)
{
std::cerr << "Open database failed\n";
return {};
}
int result = 0;
while(true)
{
RecipeItem item;
result = sqlite3_step(statement);
if(result == SQLITE_ROW)
{
item.id = sqlite3_column_int(statement, 0);
int title_size = sqlite3_column_bytes(statement, 1);
item.title.append((const char*)sqlite3_column_blob(statement, 1), title_size);
int image_size = sqlite3_column_bytes(statement, 2);
item.image.append((const char*)sqlite3_column_blob(statement, 2), image_size);
}
else
{
break;
}
items.push_back(item);
}
return items;
}
Recipe Database::getRecipe(int id)
{
// TODO
std::string sql = "select id, title, image from recipe where id=" + id;
sqlite3_stmt *statement;
if(sqlite3_prepare_v2(db, sql.data(), sql.length(), &statement, 0) != SQLITE_OK)
{
std::cerr << "Open database failed\n";
return {};
}
int result = 0;
while(true)
{
Recipe item;
result = sqlite3_step(statement);
if(result == SQLITE_ROW)
{
item.id = sqlite3_column_int(statement, 0);
int title_size = sqlite3_column_bytes(statement, 1);
item.title.append((const char*)sqlite3_column_blob(statement, 1), title_size);
int image_size = sqlite3_column_bytes(statement, 2);
item.image.append((const char*)sqlite3_column_blob(statement, 2), image_size);
}
else
{
break;
}
return item;
}
return {}; // Not found
}
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