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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <iostream>
#include <boost/lexical_cast.hpp>
#include "sqlite3.h"
#include "Swiften/History/SQLiteHistoryManager.h"
namespace {
inline Swift::std::string getEscapedString(const Swift::std::string& s) {
Swift::std::string result(s);
result.replaceAll('\'', Swift::std::string("\\'"));
return result;
}
}
namespace Swift {
SQLiteHistoryManager::SQLiteHistoryManager(const std::string& file) : db_(0) {
sqlite3_open(file.c_str(), &db_);
if (!db_) {
std::cerr << "Error opening database " << file << std::endl; // FIXME
}
char* errorMessage;
int result = sqlite3_exec(db_, "CREATE TABLE IF NOT EXISTS messages('from' INTEGER, 'to' INTEGER, 'message' STRING, 'time' INTEGER)", 0, 0, &errorMessage);
if (result != SQLITE_OK) {
std::cerr << "SQL Error: " << errorMessage << std::endl;
sqlite3_free(errorMessage);
}
result = sqlite3_exec(db_, "CREATE TABLE IF NOT EXISTS jids('id' INTEGER PRIMARY KEY ASC AUTOINCREMENT, 'jid' STRING UNIQUE NOT NULL)", 0, 0, &errorMessage);
if (result != SQLITE_OK) {
std::cerr << "SQL Error: " << errorMessage << std::endl;
sqlite3_free(errorMessage);
}
}
SQLiteHistoryManager::~SQLiteHistoryManager() {
sqlite3_close(db_);
}
void SQLiteHistoryManager::addMessage(const HistoryMessage& message) {
int secondsSinceEpoch = (message.getTime() - boost::posix_time::ptime(boost::gregorian::date(1970, 1, 1))).total_seconds();
std::string statement = std::string("INSERT INTO messages('from', 'to', 'message', 'time') VALUES(") + boost::lexical_cast<std::string>(getIDForJID(message.getFrom())) + ", " + boost::lexical_cast<std::string>(getIDForJID(message.getTo())) + ", '" + getEscapedString(message.getMessage()) + "', " + boost::lexical_cast<std::string>(secondsSinceEpoch) + ")";
char* errorMessage;
int result = sqlite3_exec(db_, statement.c_str(), 0, 0, &errorMessage);
if (result != SQLITE_OK) {
std::cerr << "SQL Error: " << errorMessage << std::endl;
sqlite3_free(errorMessage);
}
}
std::vector<HistoryMessage> SQLiteHistoryManager::getMessages() const {
std::vector<HistoryMessage> result;
sqlite3_stmt* selectStatement;
std::string selectQuery("SELECT messages.'from', messages.'to', messages.'message', messages.'time' FROM messages");
int r = sqlite3_prepare(db_, selectQuery.c_str(), selectQuery.size(), &selectStatement, NULL);
if (r != SQLITE_OK) {
std::cout << "Error: " << sqlite3_errmsg(db_) << std::endl;
}
r = sqlite3_step(selectStatement);
while (r == SQLITE_ROW) {
boost::optional<JID> from(getJIDFromID(sqlite3_column_int(selectStatement, 0)));
boost::optional<JID> to(getJIDFromID(sqlite3_column_int(selectStatement, 1)));
std::string message(reinterpret_cast<const char*>(sqlite3_column_text(selectStatement, 2)));
int secondsSinceEpoch(sqlite3_column_int(selectStatement, 3));
boost::posix_time::ptime time(boost::gregorian::date(1970, 1, 1), boost::posix_time::seconds(secondsSinceEpoch));
result.push_back(HistoryMessage(message, (from ? *from : JID()), (to ? *to : JID()), time));
r = sqlite3_step(selectStatement);
}
if (r != SQLITE_DONE) {
std::cout << "Error: " << sqlite3_errmsg(db_) << std::endl;
}
sqlite3_finalize(selectStatement);
return result;
}
int SQLiteHistoryManager::getIDForJID(const JID& jid) {
boost::optional<int> id = getIDFromJID(jid);
if (id) {
return *id;
}
else {
return addJID(jid);
}
}
int SQLiteHistoryManager::addJID(const JID& jid) {
std::string statement = std::string("INSERT INTO jids('jid') VALUES('") + getEscapedString(jid.toString()) + "')";
char* errorMessage;
int result = sqlite3_exec(db_, statement.c_str(), 0, 0, &errorMessage);
if (result != SQLITE_OK) {
std::cerr << "SQL Error: " << errorMessage << std::endl;
sqlite3_free(errorMessage);
}
return sqlite3_last_insert_rowid(db_);
}
boost::optional<JID> SQLiteHistoryManager::getJIDFromID(int id) const {
boost::optional<JID> result;
sqlite3_stmt* selectStatement;
std::string selectQuery("SELECT jid FROM jids WHERE id=" + boost::lexical_cast<std::string>(id));
int r = sqlite3_prepare(db_, selectQuery.c_str(), selectQuery.size(), &selectStatement, NULL);
if (r != SQLITE_OK) {
std::cout << "Error: " << sqlite3_errmsg(db_) << std::endl;
}
r = sqlite3_step(selectStatement);
if (r == SQLITE_ROW) {
result = boost::optional<JID>(reinterpret_cast<const char*>(sqlite3_column_text(selectStatement, 0)));
}
sqlite3_finalize(selectStatement);
return result;
}
boost::optional<int> SQLiteHistoryManager::getIDFromJID(const JID& jid) const {
boost::optional<int> result;
sqlite3_stmt* selectStatement;
std::string selectQuery("SELECT id FROM jids WHERE jid='" + jid.toString() + "'");
int r = sqlite3_prepare(db_, selectQuery.c_str(), selectQuery.size(), &selectStatement, NULL);
if (r != SQLITE_OK) {
std::cout << "Error: " << sqlite3_errmsg(db_) << std::endl;
}
r = sqlite3_step(selectStatement);
if (r == SQLITE_ROW) {
result = boost::optional<int>(sqlite3_column_int(selectStatement, 0));
}
sqlite3_finalize(selectStatement);
return result;
}
}
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Swift