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/*
Copyright (C) 2006-2010 Tuomas Suutari <thsuut@utu.fi>
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 (see the file COPYING); if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA.
*/
#include "SQLMemberMap.h"
#include "QueryHelper.h"
#include "QueryErrors.h"
#include <QList>
#include "Utilities/Graph.h"
#include "Utilities/QStr.h"
using namespace SQLDB;
SQLMemberMap::SQLMemberMap(QueryHelper& queryHelper):
_qh(queryHelper)
{
}
DB::MemberMap& SQLMemberMap::operator=(const DB::MemberMap& other)
{
// Works also in the _rare_ case this == &other, so don't check
overwriteWithMemberMap(other.memberMap());
return *this;
}
QStringList SQLMemberMap::groups(const QString& category) const
{
return
_qh.executeQuery("SELECT tag.name FROM tag, category "
"WHERE tag.category_id=category.id AND "
"tag.isGroup AND category.name=?",
QueryHelper::Bindings() << category).asList<QString>();
}
void SQLMemberMap::deleteGroup(const QString& category, const QString& name)
{
_qh.executeStatement("DELETE FROM tag_member "
"WHERE tag_id=(SELECT tag.id FROM tag, category "
"WHERE tag.category_id=category.id AND "
"category.name=? AND tag.name=?)",
QueryHelper::Bindings() << category << name);
_qh.executeStatement("UPDATE tag, category SET tag.isGroup='0' "
"WHERE tag.category_id=category.id AND "
"category.name=? AND tag.name=?",
QueryHelper::Bindings() << category << name);
}
QStringList SQLMemberMap::members(const QString& category,
const QString& memberGroup,
bool closure) const
{
if (closure) {
QList<int> idList = _qh.tagIdList(category, memberGroup);
idList.pop_front(); // the tag itself
return
_qh.executeQuery("SELECT name FROM tag WHERE id IN (?)",
QueryHelper::Bindings() << QVariant(toVariantList(idList))
).asList<QString>();
}
else
return
_qh.executeQuery("SELECT m.name "
"FROM tag t, tag m, tag_member tm, category c "
"WHERE m.id=tm.member_tag_id AND "
"t.id=tm.tag_id AND "
"t.category_id=c.id AND c.name=? AND t.name=?",
QueryHelper::Bindings() <<
category << memberGroup).asList<QString>();
}
void SQLMemberMap::setMembers(const QString& category,
const QString& memberGroup,
const QStringList& members)
{
if (category == QStr("Folder"))
return;
int groupId = _qh.tagId(category, memberGroup);
_qh.executeStatement("UPDATE tag SET isGroup='1' WHERE id=?",
QueryHelper::Bindings() << groupId);
_qh.executeStatement("DELETE FROM tag_member WHERE tag_id=?",
QueryHelper::Bindings() << groupId);
for (QStringList::const_iterator i = members.begin();
i != members.end(); ++i) {
int memberId = _qh.tagId(category, *i);
_qh.executeStatement("INSERT INTO tag_member (tag_id, member_tag_id) "
"VALUES (?, ?)",
QueryHelper::Bindings() << groupId << memberId);
}
}
bool SQLMemberMap::isEmpty() const
{
return _qh.executeQuery("SELECT COUNT(*) FROM tag WHERE isGroup"
).firstItem().toUInt() == 0;
}
bool SQLMemberMap::isGroup(const QString& category,
const QString& memberGroup) const
{
return
_qh.executeQuery("SELECT COUNT(*) FROM tag, category "
"WHERE tag.category_id=category.id AND "
"tag.isGroup AND "
"tag.name=? AND category.name=?",
QueryHelper::Bindings() << memberGroup << category
).firstItem().toUInt() > 0;
}
QMap<QString, StringSet>
SQLMemberMap::groupMap(const QString& category) const
{
return Utilities::closure(Utilities::pairsToMap
(_qh.memberGroupConfiguration(category)));
}
QMap<QString, StringSet>
SQLMemberMap::inverseMap(const QString& category) const
{
QMap<QString, StringSet> r;
const StringStringList pairs =
_qh.memberGroupConfiguration(category);
for (StringStringList::const_iterator i = pairs.begin();
i != pairs.end(); ++i)
r[(*i).second].insert((*i).first);
return r;
}
void SQLMemberMap::renameGroup(const QString& category,
const QString& oldName, const QString& newName)
{
// Real renaming is done elsewhere. This is just called to make
// sure membermap is updated, so there's nothing to do.
Q_UNUSED(category);
Q_UNUSED(oldName);
Q_UNUSED(newName);
}
void SQLMemberMap::renameCategory(const QString& oldName,
const QString& newName)
{
// Real renaming is done elsewhere. This is just called to make
// sure membermap is updated, so there's nothing to do.
Q_UNUSED(oldName);
Q_UNUSED(newName);
}
void SQLMemberMap::addGroup(const QString& category, const QString& group)
{
if (category == QStr("Folder"))
return;
if (_qh.executeQuery("SELECT COUNT(*) FROM tag, category "
"WHERE tag.categoryId=category.id AND "
"category.name=? AND tag.name=?",
QueryHelper::Bindings() << category << group
).firstItem().toUInt() == 0)
_qh.insertTagFirst(_qh.categoryId(category), group);
_qh.executeStatement("UPDATE tag, category SET tag.isGroup='1' "
"WHERE tag.categoryId=category.id AND "
"category.name=? AND tag.name=?",
QueryHelper::Bindings() << category << group);
}
void SQLMemberMap::addMemberToGroup(const QString& category,
const QString& group, const QString& item)
{
if (category == QStr("Folder"))
return;
int groupId;
int memberId;
try {
groupId = _qh.tagId(category, group);
}
catch (EntryNotFoundError&) {
addGroup(category, group);
groupId = _qh.tagId(category, group);
}
try {
memberId = _qh.tagId(category, item);
}
catch (EntryNotFoundError&) {
_qh.insertTagFirst(_qh.categoryId(category), item);
memberId = _qh.tagId(category, item);
}
if (_qh.executeQuery("SELECT COUNT(*) FROM tag_member "
"WHERE member_tag_id=? AND tag_id=?",
QueryHelper::Bindings() << memberId << groupId
).firstItem().toUInt() == 0)
_qh.executeStatement("INSERT INTO tag_member (tag_id, member_tag_id) "
"VALUES (?, ?)", QueryHelper::Bindings() <<
groupId << memberId);
}
void SQLMemberMap::removeMemberFromGroup(const QString& category,
const QString& group,
const QString& item)
{
if (category == QStr("Folder"))
return;
int groupId = _qh.tagId(category, group);
int memberId = _qh.tagId(category, item);
_qh.executeStatement("DELETE FROM tag_member "
"WHERE tag_id=? AND member_tag_id=?",
QueryHelper::Bindings() << groupId << memberId);
}
const SQLMemberMap::MemberMapping& SQLMemberMap::memberMap() const
{
updateMemberMapCache();
return _memberMapCache;
}
void SQLMemberMap::updateMemberMapCache() const
{
_memberMapCache.clear();
const QStringList c = _qh.categoryNames();
for (QStringList::const_iterator i = c.begin(); i != c.end(); ++i)
_memberMapCache[*i] =
Utilities::pairsToMap(_qh.memberGroupConfiguration(*i));
}
void SQLMemberMap::deleteItem(DB::Category* category, const QString& name)
{
Q_UNUSED(category);
Q_UNUSED(name);
}
void SQLMemberMap::renameItem(DB::Category* category,
const QString& oldName, const QString& newName)
{
Q_UNUSED(category);
Q_UNUSED(oldName);
Q_UNUSED(newName);
}
void SQLMemberMap::overwriteWithMemberMap(const MemberMapping& map)
{
_qh.executeStatement("DELETE FROM tag_member");
for (MemberMapping::const_iterator i = map.constBegin(); i != map.constEnd(); ++i) {
QString category = i.key();
if (category == QStr("Folder"))
continue;
CategoryGroups groups = i.value();
for (CategoryGroups::const_iterator j = groups.constBegin();
j != groups.constEnd(); ++j) {
QString group = j.key();
StringSet members = j.value();
int groupId;
try {
groupId = _qh.tagId(category, group);
}
catch (EntryNotFoundError&) {
// TODO: this
qDebug("NYI: blaa blaa blaa");
continue;
}
_qh.executeStatement("UPDATE tag SET isGroup='1' WHERE id=?",
QueryHelper::Bindings() << groupId);
for (StringSet::const_iterator k = members.begin();
k != members.end(); ++k) {
int memberId;
try {
memberId = _qh.tagId(category, *k);
}
catch (EntryNotFoundError&) {
// TODO: this
qDebug("NYI: blee bloo blee");
continue;
}
_qh.executeStatement("INSERT INTO tag_member "
"(tag_id, member_tag_id) VALUES (?, ?)",
QueryHelper::Bindings() <<
groupId << memberId);
}
}
}
}
#include "SQLMemberMap.moc"
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