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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
#include <QtSql>
#include <QString>
#include <QtDebug>
#include <QVariant>
#include <QThread>
#include "libraryhashdao.h"
#include "library/queryutil.h"
namespace {
// Store hash values as a signed 64-bit integer. Otherwise values greater
// than 2^63-1 would be converted into a floating point numbers while
// losing precision!!
inline constexpr mixxx::cache_key_signed_t dbHash(mixxx::cache_key_t hash) {
return mixxx::signedCacheKey(hash);
}
} // anonymous namespace
QHash<QString, mixxx::cache_key_t> LibraryHashDAO::getDirectoryHashes() {
QSqlQuery query(m_database);
query.prepare("SELECT hash, directory_path FROM LibraryHashes");
QHash<QString, mixxx::cache_key_t> hashes;
if (!query.exec()) {
LOG_FAILED_QUERY(query);
}
int hashColumn = query.record().indexOf("hash");
int directoryPathColumn = query.record().indexOf("directory_path");
while (query.next()) {
hashes[query.value(directoryPathColumn).toString()] =
query.value(hashColumn).toULongLong();
}
return hashes;
}
mixxx::cache_key_t LibraryHashDAO::getDirectoryHash(const QString& dirPath) {
//qDebug() << "LibraryHashDAO::getDirectoryHash" << QThread::currentThread() << m_database.connectionName();
mixxx::cache_key_t hash = mixxx::invalidCacheKey();
QSqlQuery query(m_database);
query.prepare("SELECT hash FROM LibraryHashes "
"WHERE directory_path=:directory_path");
query.bindValue(":directory_path", dirPath);
if (!query.exec()) {
LOG_FAILED_QUERY(query) << "SELECT hash failed:";
}
//Grab a hash for this directory from the database, from the last time it was scanned.
if (query.next()) {
hash = query.value(query.record().indexOf("hash")).toULongLong();
//qDebug() << "prev hash exists" << hash << dirPath;
} else {
//qDebug() << "prev hash does not exist" << dirPath;
}
return hash;
}
void LibraryHashDAO::saveDirectoryHash(const QString& dirPath, mixxx::cache_key_t hash) {
//qDebug() << "LibraryHashDAO::saveDirectoryHash" << QThread::currentThread() << m_database.connectionName();
QSqlQuery query(m_database);
query.prepare("INSERT INTO LibraryHashes (directory_path, hash, directory_deleted) "
"VALUES (:directory_path, :hash, :directory_deleted)");
query.bindValue(":directory_path", dirPath);
query.bindValue(":hash", dbHash(hash));
query.bindValue(":directory_deleted", 0);
if (!query.exec()) {
LOG_FAILED_QUERY(query) << "Creating new dirhash failed.";
}
//qDebug() << "created new hash" << hash;
}
void LibraryHashDAO::updateDirectoryHash(const QString& dirPath,
mixxx::cache_key_t newHash,
int dir_deleted) {
//qDebug() << "LibraryHashDAO::updateDirectoryHash" << QThread::currentThread() << m_database.connectionName();
QSqlQuery query(m_database);
// By definition if we have calculated a new hash for a directory then it
// exists and no longer needs verification.
query.prepare("UPDATE LibraryHashes "
"SET hash=:hash, directory_deleted=:directory_deleted, "
"needs_verification=0 "
"WHERE directory_path=:directory_path");
query.bindValue(":hash", dbHash(newHash));
query.bindValue(":directory_deleted", dir_deleted);
query.bindValue(":directory_path", dirPath);
if (!query.exec()) {
LOG_FAILED_QUERY(query) << "Updating existing dirhash failed.";
}
//qDebug() << "updated old existing hash" << newHash << dirPath << dir_deleted;
//DEBUG: Print out the directory hash we just saved to verify...
//qDebug() << getDirectoryHash(dirPath);
}
void LibraryHashDAO::updateDirectoryStatuses(const QStringList& dirPaths,
const bool deleted,
const bool verified) {
//qDebug() << "LibraryHashDAO::updateDirectoryStatus" << QThread::currentThread() << m_database.connectionName();
FieldEscaper escaper(m_database);
QStringList escapedDirPaths = escaper.escapeStrings(dirPaths);
QSqlQuery query(m_database);
query.prepare(
QString("UPDATE LibraryHashes "
"SET directory_deleted=:directory_deleted, "
"needs_verification=:needs_verification "
"WHERE directory_path IN (%1)")
.arg(escapedDirPaths.join(",")));
query.bindValue(":directory_deleted", deleted ? 1 : 0);
query.bindValue(":needs_verification", !verified ? 1 : 0);
if (!query.exec()) {
LOG_FAILED_QUERY(query) << "Updating directory status failed.";
}
}
void LibraryHashDAO::markAsExisting(const QString& dirPath) {
//qDebug() << "LibraryHashDAO::markExisting" << QThread::currentThread() << m_database.connectionName();
QSqlQuery query(m_database);
query.prepare("UPDATE LibraryHashes "
"SET directory_deleted=:directory_deleted "
"WHERE directory_path=:directory_path");
query.bindValue(":directory_deleted", 0);
query.bindValue(":directory_path", dirPath);
if (!query.exec()) {
LOG_FAILED_QUERY(query) << "Updating dirhash to mark as existing failed.";
}
}
void LibraryHashDAO::invalidateAllDirectories() {
//qDebug() << "LibraryHashDAO::invalidateAllDirectories"
//<< QThread::currentThread() << m_database.connectionName();
QSqlQuery query(m_database);
query.prepare("UPDATE LibraryHashes "
"SET needs_verification=1");
if (!query.exec()) {
LOG_FAILED_QUERY(query)
<< "Couldn't mark directories previously hashed as needing verification.";
}
}
void LibraryHashDAO::markUnverifiedDirectoriesAsDeleted() {
//qDebug() << "LibraryHashDAO::markUnverifiedDirectoriesAsDeleted"
//<< QThread::currentThread() << m_database.connectionName();
QSqlQuery query(m_database);
query.prepare("UPDATE LibraryHashes "
"SET directory_deleted=:directory_deleted "
"WHERE needs_verification=1");
query.bindValue(":directory_deleted", 1);
if (!query.exec()) {
LOG_FAILED_QUERY(query);
}
}
void LibraryHashDAO::removeDeletedDirectoryHashes() {
QSqlQuery query(m_database);
query.prepare("DELETE FROM LibraryHashes WHERE "
"directory_deleted=:directory_deleted");
query.bindValue(":directory_deleted", 1);
if (!query.exec()) {
LOG_FAILED_QUERY(query);
}
}
QStringList LibraryHashDAO::getDeletedDirectories() {
QStringList result;
QSqlQuery query(m_database);
query.prepare("SELECT directory_path FROM LibraryHashes "
"WHERE directory_deleted=1");
if (!query.exec()) {
LOG_FAILED_QUERY(query);
}
const int directoryPathColumn = query.record().indexOf("directory_path");
while (query.next()) {
QString directory = query.value(directoryPathColumn).toString();
result << directory;
}
return result;
}
|
