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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/history/shortcuts_database.h"
#include <map>
#include <string>
#include <vector>
#include "base/guid.h"
#include "base/logging.h"
#include "base/strings/stringprintf.h"
#include "base/time/time.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_constants.h"
#include "sql/statement.h"
namespace {
const char* kShortcutsTableName = "omni_box_shortcuts";
void BindShortcutToStatement(
const history::ShortcutsBackend::Shortcut& shortcut,
sql::Statement* s) {
DCHECK(base::IsValidGUID(shortcut.id));
s->BindString(0, shortcut.id);
s->BindString16(1, shortcut.text);
s->BindString(2, shortcut.url.spec());
s->BindString16(3, shortcut.contents);
s->BindString(4,
AutocompleteMatch::ClassificationsToString(shortcut.contents_class));
s->BindString16(5, shortcut.description);
s->BindString(6,
AutocompleteMatch::ClassificationsToString(shortcut.description_class));
s->BindInt64(7, shortcut.last_access_time.ToInternalValue());
s->BindInt(8, shortcut.number_of_hits);
}
bool DeleteShortcut(const char* field_name,
const std::string& id,
sql::Connection& db) {
sql::Statement s(db.GetUniqueStatement(
base::StringPrintf("DELETE FROM %s WHERE %s = ?", kShortcutsTableName,
field_name).c_str()));
s.BindString(0, id);
return s.Run();
}
} // namespace
namespace history {
ShortcutsDatabase::ShortcutsDatabase(Profile* profile) {
database_path_ = profile->GetPath().Append(chrome::kShortcutsDatabaseName);
}
bool ShortcutsDatabase::Init() {
// Set the database page size to something a little larger to give us
// better performance (we're typically seek rather than bandwidth limited).
// This only has an effect before any tables have been created, otherwise
// this is a NOP. Must be a power of 2 and a max of 8192.
db_.set_page_size(4096);
// Run the database in exclusive mode. Nobody else should be accessing the
// database while we're running, and this will give somewhat improved perf.
db_.set_exclusive_locking();
// Attach the database to our index file.
if (!db_.Open(database_path_))
return false;
if (!EnsureTable())
return false;
return true;
}
bool ShortcutsDatabase::AddShortcut(
const ShortcutsBackend::Shortcut& shortcut) {
sql::Statement s(db_.GetCachedStatement(SQL_FROM_HERE,
base::StringPrintf("INSERT INTO %s (id, text, url, contents, "
"contents_class, description, description_class, last_access_time, "
"number_of_hits) VALUES (?,?,?,?,?,?,?,?,?)",
kShortcutsTableName).c_str()));
BindShortcutToStatement(shortcut, &s);
return s.Run();
}
bool ShortcutsDatabase::UpdateShortcut(
const ShortcutsBackend::Shortcut& shortcut) {
sql::Statement s(db_.GetCachedStatement(SQL_FROM_HERE,
base::StringPrintf("UPDATE %s SET id=?, text=?, url=?, contents=?, "
"contents_class=?, description=?, description_class=?, "
"last_access_time=?, number_of_hits=? WHERE id=?",
kShortcutsTableName).c_str()));
BindShortcutToStatement(shortcut, &s);
s.BindString(9, shortcut.id);
bool result = s.Run();
DCHECK_GT(db_.GetLastChangeCount(), 0);
return result;
}
bool ShortcutsDatabase::DeleteShortcutsWithIds(
const std::vector<std::string>& shortcut_ids) {
bool success = true;
db_.BeginTransaction();
for (std::vector<std::string>::const_iterator it = shortcut_ids.begin();
it != shortcut_ids.end(); ++it) {
if (!DeleteShortcut("id", *it, db_))
success = false;
}
db_.CommitTransaction();
return success;
}
bool ShortcutsDatabase::DeleteShortcutsWithUrl(
const std::string& shortcut_url_spec) {
return DeleteShortcut("url", shortcut_url_spec, db_);
}
bool ShortcutsDatabase::DeleteAllShortcuts() {
if (!db_.Execute(base::StringPrintf("DELETE FROM %s",
kShortcutsTableName).c_str()))
return false;
ignore_result(db_.Execute("VACUUM"));
return true;
}
// Loads all of the shortcuts.
bool ShortcutsDatabase::LoadShortcuts(GuidToShortcutMap* shortcuts) {
DCHECK(shortcuts);
sql::Statement s(db_.GetCachedStatement(SQL_FROM_HERE,
base::StringPrintf("SELECT id, text, url, contents, contents_class, "
"description, description_class, last_access_time, number_of_hits "
"FROM %s", kShortcutsTableName).c_str()));
if (!s.is_valid())
return false;
shortcuts->clear();
while (s.Step()) {
shortcuts->insert(std::make_pair(s.ColumnString(0),
ShortcutsBackend::Shortcut(s.ColumnString(0), s.ColumnString16(1),
GURL(s.ColumnString(2)), s.ColumnString16(3),
AutocompleteMatch::ClassificationsFromString(s.ColumnString(4)),
s.ColumnString16(5),
AutocompleteMatch::ClassificationsFromString(s.ColumnString(6)),
base::Time::FromInternalValue(s.ColumnInt64(7)), s.ColumnInt(8))));
}
return true;
}
ShortcutsDatabase::~ShortcutsDatabase() {}
bool ShortcutsDatabase::EnsureTable() {
if (!db_.DoesTableExist(kShortcutsTableName)) {
if (!db_.Execute(base::StringPrintf(
"CREATE TABLE %s ( "
"id VARCHAR PRIMARY KEY, "
"text VARCHAR, "
"url VARCHAR, "
"contents VARCHAR, "
"contents_class VARCHAR, "
"description VARCHAR, "
"description_class VARCHAR, "
"last_access_time INTEGER, "
"number_of_hits INTEGER)", kShortcutsTableName).c_str())) {
NOTREACHED();
return false;
}
}
return true;
}
} // namespace history
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