summaryrefslogtreecommitdiffstats
blob: 43443c7be5d5384f4eaa103eee0ac58f003f8f0d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*
 * 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::String getEscapedString(const Swift::String& s) {
	Swift::String result(s);
	result.replaceAll('\'', Swift::String("\\'"));
	return result;
}

}


namespace Swift {

SQLiteHistoryManager::SQLiteHistoryManager(const String& file) : db_(0) {
	sqlite3_open(file.getUTF8Data(), &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();
	String statement = 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.getUTF8Data(), 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;
	String selectQuery("SELECT messages.'from', messages.'to', messages.'message', messages.'time' FROM messages");
	int r = sqlite3_prepare(db_, selectQuery.getUTF8Data(), selectQuery.getUTF8Size(), &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)));
		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) {
	String statement = String("INSERT INTO jids('jid') VALUES('") + getEscapedString(jid.toString()) + "')";
	char* errorMessage;
	int result = sqlite3_exec(db_, statement.getUTF8Data(), 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;
	String selectQuery("SELECT jid FROM jids WHERE id=" + boost::lexical_cast<std::string>(id));
	int r = sqlite3_prepare(db_, selectQuery.getUTF8Data(), selectQuery.getUTF8Size(), &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;
	String selectQuery("SELECT id FROM jids WHERE jid='" + jid.toString() + "'");
	int r = sqlite3_prepare(db_, selectQuery.getUTF8Data(), selectQuery.getUTF8Size(), &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;
}

}