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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 "webkit/browser/database/databases_table.h"
#include "base/logging.h"
#include "base/strings/utf_string_conversions.h"
#include "sql/statement.h"
namespace webkit_database {
DatabaseDetails::DatabaseDetails() : estimated_size(0) { }
DatabaseDetails::~DatabaseDetails() {}
bool DatabasesTable::Init() {
// 'Databases' schema:
// id A unique ID assigned to each database
// origin The originto which the database belongs. This is a
// string that can be used as part of a file name
// (http_webkit.org_0, for example).
// name The database name.
// description A short description of the database.
// estimated_size The estimated size of the database.
return db_->DoesTableExist("Databases") ||
(db_->Execute(
"CREATE TABLE Databases ("
"id INTEGER PRIMARY KEY AUTOINCREMENT, "
"origin TEXT NOT NULL, "
"name TEXT NOT NULL, "
"description TEXT NOT NULL, "
"estimated_size INTEGER NOT NULL)") &&
db_->Execute(
"CREATE INDEX origin_index ON Databases (origin)") &&
db_->Execute(
"CREATE UNIQUE INDEX unique_index ON Databases (origin, name)"));
}
int64 DatabasesTable::GetDatabaseID(const base::string16& origin_identifier,
const base::string16& database_name) {
sql::Statement select_statement(db_->GetCachedStatement(
SQL_FROM_HERE, "SELECT id FROM Databases WHERE origin = ? AND name = ?"));
select_statement.BindString16(0, origin_identifier);
select_statement.BindString16(1, database_name);
if (select_statement.Step()) {
return select_statement.ColumnInt64(0);
}
return -1;
}
bool DatabasesTable::GetDatabaseDetails(const base::string16& origin_identifier,
const base::string16& database_name,
DatabaseDetails* details) {
DCHECK(details);
sql::Statement select_statement(db_->GetCachedStatement(
SQL_FROM_HERE, "SELECT description, estimated_size FROM Databases "
"WHERE origin = ? AND name = ?"));
select_statement.BindString16(0, origin_identifier);
select_statement.BindString16(1, database_name);
if (select_statement.Step()) {
details->origin_identifier = origin_identifier;
details->database_name = database_name;
details->description = select_statement.ColumnString16(0);
details->estimated_size = select_statement.ColumnInt64(1);
return true;
}
return false;
}
bool DatabasesTable::InsertDatabaseDetails(const DatabaseDetails& details) {
sql::Statement insert_statement(db_->GetCachedStatement(
SQL_FROM_HERE, "INSERT INTO Databases (origin, name, description, "
"estimated_size) VALUES (?, ?, ?, ?)"));
insert_statement.BindString16(0, details.origin_identifier);
insert_statement.BindString16(1, details.database_name);
insert_statement.BindString16(2, details.description);
insert_statement.BindInt64(3, details.estimated_size);
return insert_statement.Run();
}
bool DatabasesTable::UpdateDatabaseDetails(const DatabaseDetails& details) {
sql::Statement update_statement(db_->GetCachedStatement(
SQL_FROM_HERE, "UPDATE Databases SET description = ?, "
"estimated_size = ? WHERE origin = ? AND name = ?"));
update_statement.BindString16(0, details.description);
update_statement.BindInt64(1, details.estimated_size);
update_statement.BindString16(2, details.origin_identifier);
update_statement.BindString16(3, details.database_name);
return (update_statement.Run() && db_->GetLastChangeCount());
}
bool DatabasesTable::DeleteDatabaseDetails(
const base::string16& origin_identifier,
const base::string16& database_name) {
sql::Statement delete_statement(db_->GetCachedStatement(
SQL_FROM_HERE, "DELETE FROM Databases WHERE origin = ? AND name = ?"));
delete_statement.BindString16(0, origin_identifier);
delete_statement.BindString16(1, database_name);
return (delete_statement.Run() && db_->GetLastChangeCount());
}
bool DatabasesTable::GetAllOrigins(std::vector<base::string16>* origins) {
sql::Statement statement(db_->GetCachedStatement(
SQL_FROM_HERE, "SELECT DISTINCT origin FROM Databases ORDER BY origin"));
while (statement.Step())
origins->push_back(statement.ColumnString16(0));
return statement.Succeeded();
}
bool DatabasesTable::GetAllDatabaseDetailsForOrigin(
const base::string16& origin_identifier,
std::vector<DatabaseDetails>* details_vector) {
sql::Statement statement(db_->GetCachedStatement(
SQL_FROM_HERE, "SELECT name, description, estimated_size "
"FROM Databases WHERE origin = ? ORDER BY name"));
statement.BindString16(0, origin_identifier);
while (statement.Step()) {
DatabaseDetails details;
details.origin_identifier = origin_identifier;
details.database_name = statement.ColumnString16(0);
details.description = statement.ColumnString16(1);
details.estimated_size = statement.ColumnInt64(2);
details_vector->push_back(details);
}
return statement.Succeeded();
}
bool DatabasesTable::DeleteOrigin(const base::string16& origin_identifier) {
sql::Statement delete_statement(db_->GetCachedStatement(
SQL_FROM_HERE, "DELETE FROM Databases WHERE origin = ?"));
delete_statement.BindString16(0, origin_identifier);
return (delete_statement.Run() && db_->GetLastChangeCount());
}
} // namespace webkit_database
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