-/*

- * 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;

-}

-

-}