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authorMichele Calgaro <michele.calgaro@yahoo.it>2024-06-07 23:30:05 +0900
committerMichele Calgaro <michele.calgaro@yahoo.it>2024-06-07 23:30:05 +0900
commit17b259df9cb6b28779d4881b2b6c805ee2e48eea (patch)
tree5ed61937459cb7081089111b0242c01ec178f1f3 /reader/src/database/booksdb/runnables/FindFileIdRunnable.cpp
parent1cba8bce178eb2d6719c6f7f21e2c9352c5513a6 (diff)
downloadtde-ebook-reader-17b259df9cb6b28779d4881b2b6c805ee2e48eea.tar.gz
tde-ebook-reader-17b259df9cb6b28779d4881b2b6c805ee2e48eea.zip
Rename to tde-ebook-reader
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'reader/src/database/booksdb/runnables/FindFileIdRunnable.cpp')
-rw-r--r--reader/src/database/booksdb/runnables/FindFileIdRunnable.cpp123
1 files changed, 123 insertions, 0 deletions
diff --git a/reader/src/database/booksdb/runnables/FindFileIdRunnable.cpp b/reader/src/database/booksdb/runnables/FindFileIdRunnable.cpp
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+++ b/reader/src/database/booksdb/runnables/FindFileIdRunnable.cpp
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+/*
+ * Copyright (C) 2009-2012 Geometer Plus <contact@geometerplus.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <ZLibrary.h>
+#include <ZLFile.h>
+
+#include "../DBRunnables.h"
+#include "../../sqldb/implsqlite/SQLiteFactory.h"
+
+static const std::string FIND_FILE_ID =
+ "SELECT file_id FROM Files" \
+ " WHERE name = @name AND coalesce(parent_id, 0) = @parent_id;";
+
+static const std::string ADD_FILE =
+ "INSERT INTO Files (name, parent_id, size)" \
+ " VALUES(@name, nullif(@parent_id, 0), nullif(@size, 0));" \
+ " SELECT last_insert_rowid() AS file_id;";
+
+FindFileIdRunnable::FindFileIdRunnable(DBConnection &connection) {
+ myFindFileId = SQLiteFactory::createCommand(FIND_FILE_ID, connection, "@name", DBValue::DBTEXT, "@parent_id", DBValue::DBINT);
+ myAddFile = SQLiteFactory::createCommand(ADD_FILE, connection, "@name", DBValue::DBTEXT, "@parent_id", DBValue::DBINT, "@size", DBValue::DBINT);
+}
+
+bool FindFileIdRunnable::run() {
+ const std::string resolvedPath = ZLFile(myFileName).resolvedPath();
+ const std::string physPath = ZLFile(resolvedPath).physicalFilePath();
+ const std::string dirName = physPath.substr(0, physPath.rfind(ZLibrary::FileNameDelimiter));
+
+ DBTextValue &findName = (DBTextValue &) *myFindFileId->parameter("@name").value();
+ DBIntValue &findParent = (DBIntValue &) *myFindFileId->parameter("@parent_id").value();
+
+ DBTextValue &addName = (DBTextValue &) *myAddFile->parameter("@name").value();
+ DBIntValue &addParent = (DBIntValue &) *myAddFile->parameter("@parent_id").value();
+ ((DBIntValue &) *myAddFile->parameter("@size").value()) = 0;
+
+ std::size_t index = dirName.length() + 1;
+ findName = dirName;
+ findParent = 0;
+ while (true) {
+ shared_ptr<DBValue> physId = myFindFileId->executeScalar();
+ if (physId.isNull() || physId->type() != DBValue::DBINT || ((DBIntValue &) *physId).value() == 0) {
+ if (!myAdd) {
+ return false;
+ }
+ addName = findName.value();
+ addParent = findParent.value();
+ physId = myAddFile->executeScalar();
+ if (physId.isNull() || physId->type() != DBValue::DBINT || ((DBIntValue &) *physId).value() == 0) {
+ return false;
+ }
+ }
+ if (index == 0) {
+ myFileId = ((DBIntValue &) *physId).value();
+ return true;
+ }
+ std::size_t index2 = resolvedPath.find(BooksDBQuery::ArchiveEntryDelimiter, index);
+ findName = resolvedPath.substr(index, index2 - index);
+ index = index2 + 1;
+ findParent = ((DBIntValue &) *physId).value();
+ }
+}
+
+void FindFileIdRunnable::setFileName(const std::string &fileName, bool add) {
+ myFileName = fileName;
+ myAdd = add;
+ myFileId = 0;
+}
+
+int FindFileIdRunnable::fileId() const {
+ return myFileId;
+}
+
+SaveFileEntriesRunnable::SaveFileEntriesRunnable(DBConnection &connection) {
+ myAddFile = SQLiteFactory::createCommand(ADD_FILE, connection, "@name", DBValue::DBTEXT, "@parent_id", DBValue::DBINT, "@size", DBValue::DBINT);
+
+ myFindFileId = new FindFileIdRunnable(connection);
+ myDeleteFileEntries = new DeleteFileEntriesRunnable(connection);
+}
+
+bool SaveFileEntriesRunnable::run() {
+ myFindFileId->setFileName(myFileName, true);
+ if (!myFindFileId->run()) {
+ return false;
+ }
+
+ myDeleteFileEntries->setFileId(myFindFileId->fileId());
+ if (!myDeleteFileEntries->run()) {
+ return false;
+ }
+
+ DBTextValue &addName = (DBTextValue &) *myAddFile->parameter("@name").value();
+ ((DBIntValue &) *myAddFile->parameter("@parent_id").value()) = myFindFileId->fileId();
+ ((DBIntValue &) *myAddFile->parameter("@size").value()) = 0;
+
+ for (std::vector<std::string>::const_iterator it = myEntries.begin(); it != myEntries.end(); ++it) {
+ const std::string &entry = (*it);
+ if (entry.empty()) {
+ continue;
+ }
+ addName = entry;
+ if (!myAddFile->execute()) {
+ return false;
+ }
+ }
+ return true;
+}
+