rssguard/src/services/abstract/serviceroot.cpp

521 lines
16 KiB
C++
Executable file

// This file is part of RSS Guard.
//
// Copyright (C) 2011-2017 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard 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 3 of the License, or
// (at your option) any later version.
//
// RSS Guard 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 RSS Guard. If not, see <http://www.gnu.org/licenses/>.
#include "services/abstract/serviceroot.h"
#include "core/feedsmodel.h"
#include "core/messagesmodel.h"
#include "miscellaneous/application.h"
#include "miscellaneous/iconfactory.h"
#include "miscellaneous/textfactory.h"
#include "miscellaneous/databasequeries.h"
#include "services/abstract/category.h"
#include "services/abstract/feed.h"
#include "services/abstract/recyclebin.h"
ServiceRoot::ServiceRoot(RootItem *parent) : RootItem(parent), m_accountId(NO_PARENT_CATEGORY) {
setKind(RootItemKind::ServiceRoot);
setCreationDate(QDateTime::currentDateTime());
}
ServiceRoot::~ServiceRoot() {
}
bool ServiceRoot::deleteViaGui() {
QSqlDatabase database= qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
if (DatabaseQueries::deleteAccount(database, accountId())) {
requestItemRemoval(this);
return true;
}
else {
return false;
}
}
bool ServiceRoot::markAsReadUnread(RootItem::ReadStatus status) {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
if (DatabaseQueries::markAccountReadUnread(database, accountId(), status)) {
updateCounts(false);
itemChanged(getSubTree());
requestReloadMessageList(status == RootItem::Read);
return true;
}
else {
return false;
}
}
QList<QAction*> ServiceRoot::addItemMenu() {
return QList<QAction*>();
}
QList<QAction*> ServiceRoot::contextMenu() {
return serviceMenu();
}
QList<QAction*> ServiceRoot::serviceMenu() {
return QList<QAction*>();
}
void ServiceRoot::updateCounts(bool including_total_count) {
QList<Feed*> feeds;
foreach (RootItem *child, getSubTree()) {
if (child->kind() == RootItemKind::Feed) {
feeds.append(child->toFeed());
}
else if (child->kind() != RootItemKind::Category && child->kind() != RootItemKind::ServiceRoot) {
child->updateCounts(including_total_count);
}
}
if (feeds.isEmpty()) {
return;
}
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
bool ok;
QMap<int,QPair<int,int> > counts = DatabaseQueries::getMessageCountsForAccount(database, accountId(), including_total_count, &ok);
if (ok) {
foreach (Feed *feed, feeds) {
if (counts.contains(feed->customId())) {
feed->setCountOfUnreadMessages(counts.value(feed->customId()).first);
if (including_total_count) {
feed->setCountOfAllMessages(counts.value(feed->customId()).second);
}
}
else {
feed->setCountOfUnreadMessages(0);
if (including_total_count) {
feed->setCountOfAllMessages(0);
}
}
}
}
}
void ServiceRoot::completelyRemoveAllData() {
// Purge old data from SQL and clean all model items.
removeOldFeedTree(true);
cleanAllItems();
updateCounts(true);
itemChanged(QList<RootItem*>() << this);
requestReloadMessageList(true);
}
void ServiceRoot::removeOldFeedTree(bool including_messages) {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
DatabaseQueries::deleteAccountData(database, accountId(), including_messages);
}
void ServiceRoot::cleanAllItems() {
foreach (RootItem *top_level_item, childItems()) {
if (top_level_item->kind() != RootItemKind::Bin) {
requestItemRemoval(top_level_item);
}
}
}
bool ServiceRoot::cleanFeeds(QList<Feed*> items, bool clean_read_only) {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
if (DatabaseQueries::cleanFeeds(database, textualFeedIds(items), clean_read_only, accountId())) {
// Messages are cleared, now inform model about need to reload data.
QList<RootItem*> itemss;
foreach (Feed *feed, items) {
feed->updateCounts(true);
itemss.append(feed);
}
RecycleBin *bin = recycleBin();
if (bin != nullptr) {
bin->updateCounts(true);
itemss.append(bin);
}
itemChanged(itemss);
requestReloadMessageList(true);
return true;
}
else {
return false;
}
}
void ServiceRoot::storeNewFeedTree(RootItem *root) {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
if (DatabaseQueries::storeAccountTree(database, root, accountId())) {
RecycleBin *bin = recycleBin();
if (bin != nullptr && !childItems().contains(bin)) {
// As the last item, add recycle bin, which is needed.
appendChild(bin);
bin->updateCounts(true);
}
}
}
void ServiceRoot::removeLeftOverMessages() {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
DatabaseQueries::purgeLeftoverMessages(database, accountId());
}
QList<Message> ServiceRoot::undeletedMessages() const {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
return DatabaseQueries::getUndeletedMessagesForAccount(database, accountId());
}
void ServiceRoot::saveAllCachedData() {
}
void ServiceRoot::itemChanged(const QList<RootItem*> &items) {
emit dataChanged(items);
}
void ServiceRoot::requestReloadMessageList(bool mark_selected_messages_read) {
emit reloadMessageListRequested(mark_selected_messages_read);
}
void ServiceRoot::requestItemExpand(const QList<RootItem*> &items, bool expand) {
emit itemExpandRequested(items, expand);
}
void ServiceRoot::requestItemExpandStateSave(RootItem *subtree_root) {
emit itemExpandStateSaveRequested(subtree_root);
}
void ServiceRoot::requestItemReassignment(RootItem *item, RootItem *new_parent) {
emit itemReassignmentRequested(item, new_parent);
}
void ServiceRoot::requestItemRemoval(RootItem *item) {
emit itemRemovalRequested(item);
}
void ServiceRoot::syncIn() {
QIcon original_icon = icon();
setIcon(qApp->icons()->fromTheme(QSL("view-refresh")));
itemChanged(QList<RootItem*>() << this);
RootItem *new_tree = obtainNewTreeForSyncIn();
if (new_tree != nullptr) {
// Purge old data from SQL and clean all model items.
requestItemExpandStateSave(this);
QMap<int,QVariant> feed_custom_data = storeCustomFeedsData();
removeOldFeedTree(false);
cleanAllItems();
restoreCustomFeedsData(feed_custom_data, new_tree->getHashedSubTreeFeeds());
// Model is clean, now store new tree into DB and
// set primary IDs of the items.
storeNewFeedTree(new_tree);
// We have new feed, some feeds were maybe removed,
// so remove left over messages.
removeLeftOverMessages();
foreach (RootItem *top_level_item, new_tree->childItems()) {
top_level_item->setParent(nullptr);
requestItemReassignment(top_level_item, this);
}
updateCounts(true);
new_tree->clearChildren();
new_tree->deleteLater();
QList<RootItem*> all_items = getSubTree();
itemChanged(all_items);
requestReloadMessageList(true);
// Now we must refresh expand states.
QList<RootItem*> items_to_expand;
foreach (RootItem *item, all_items) {
if (qApp->settings()->value(GROUP(CategoriesExpandStates), item->hashCode(), item->childCount() > 0).toBool()) {
items_to_expand.append(item);
}
}
if (!items_to_expand.contains(this)) {
items_to_expand.prepend(this);
}
requestItemExpand(items_to_expand, true);
}
setIcon(original_icon);
itemChanged(QList<RootItem*>() << this);
}
RootItem *ServiceRoot::obtainNewTreeForSyncIn() const {
return nullptr;
}
QStringList ServiceRoot::customIDSOfMessagesForItem(RootItem *item) {
if (item->getParentServiceRoot() != this) {
// Not item from this account.
return QStringList();
}
else {
QStringList list;
switch (item->kind()) {
case RootItemKind::Category: {
foreach (RootItem *child, item->childItems()) {
list.append(customIDSOfMessagesForItem(child));
}
return list;
}
case RootItemKind::ServiceRoot: {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
list = DatabaseQueries::customIdsOfMessagesFromAccount(database, accountId());
break;
}
case RootItemKind::Bin: {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
list = DatabaseQueries::customIdsOfMessagesFromBin(database, accountId());
break;
}
case RootItemKind::Feed: {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
list = DatabaseQueries::customIdsOfMessagesFromFeed(database, item->customId(), accountId());
break;
}
default:
break;
}
return list;
}
}
bool ServiceRoot::markFeedsReadUnread(QList<Feed*> items, RootItem::ReadStatus read) {
QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
if (DatabaseQueries::markFeedsReadUnread(database, textualFeedIds(items), accountId(), read)) {
QList<RootItem*> itemss;
foreach (Feed *feed, items) {
feed->updateCounts(false);
itemss.append(feed);
}
itemChanged(itemss);
requestReloadMessageList(read == RootItem::Read);
return true;
}
else {
return false;
}
}
QStringList ServiceRoot::textualFeedIds(const QList<Feed*> &feeds) const {
QStringList stringy_ids;
stringy_ids.reserve(feeds.size());
foreach (const Feed *feed, feeds) {
stringy_ids.append(QString("'%1'").arg(QString::number(feed->customId())));
}
return stringy_ids;
}
QStringList ServiceRoot::customIDsOfMessages(const QList<ImportanceChange> &changes) {
QStringList list;
for (int i = 0; i < changes.size(); i++) {
list.append(changes.at(i).first.m_customId);
}
return list;
}
QStringList ServiceRoot::customIDsOfMessages(const QList<Message> &messages) {
QStringList list;
foreach (const Message &message, messages) {
list.append(message.m_customId);
}
return list;
}
int ServiceRoot::accountId() const {
return m_accountId;
}
void ServiceRoot::setAccountId(int account_id) {
m_accountId = account_id;
}
bool ServiceRoot::loadMessagesForItem(RootItem *item, MessagesModel *model) {
if (item->kind() == RootItemKind::Bin) {
model->setFilter(QString("Messages.is_deleted = 1 AND Messages.is_pdeleted = 0 AND Messages.account_id = %1").arg(QString::number(accountId())));
}
else {
QList<Feed*> children = item->getSubTreeFeeds();
QString filter_clause = textualFeedIds(children).join(QSL(", "));
model->setFilter(QString("Feeds.custom_id IN (%1) AND Messages.is_deleted = 0 AND Messages.is_pdeleted = 0 AND Messages.account_id = %2").arg(filter_clause,
QString::number(accountId())));
qDebug("Loading messages from feeds: %s.", qPrintable(filter_clause));
}
return true;
}
bool ServiceRoot::onBeforeSetMessagesRead(RootItem *selected_item, const QList<Message> &messages, RootItem::ReadStatus read) {
Q_UNUSED(messages)
Q_UNUSED(read)
Q_UNUSED(selected_item)
return true;
}
bool ServiceRoot::onAfterSetMessagesRead(RootItem *selected_item, const QList<Message> &messages, RootItem::ReadStatus read) {
Q_UNUSED(messages)
Q_UNUSED(read)
selected_item->updateCounts(false);
itemChanged(QList<RootItem*>() << selected_item);
return true;
}
bool ServiceRoot::onBeforeSwitchMessageImportance(RootItem *selected_item, const QList<ImportanceChange> &changes) {
Q_UNUSED(selected_item)
Q_UNUSED(changes)
return true;
}
bool ServiceRoot::onAfterSwitchMessageImportance(RootItem *selected_item, const QList<ImportanceChange> &changes) {
Q_UNUSED(selected_item)
Q_UNUSED(changes)
return true;
}
bool ServiceRoot::onBeforeMessagesDelete(RootItem *selected_item, const QList<Message> &messages) {
Q_UNUSED(selected_item)
Q_UNUSED(messages)
return true;
}
bool ServiceRoot::onAfterMessagesDelete(RootItem *selected_item, const QList<Message> &messages) {
Q_UNUSED(messages)
// User deleted some messages he selected in message list.
selected_item->updateCounts(true);
RecycleBin *bin = recycleBin();
if (selected_item->kind() == RootItemKind::Bin) {
itemChanged(QList<RootItem*>() << bin);
}
else {
if (bin != nullptr) {
bin->updateCounts(true);
itemChanged(QList<RootItem*>() << selected_item << bin);
}
else {
itemChanged(QList<RootItem*>() << selected_item);
}
}
return true;
}
bool ServiceRoot::onBeforeMessagesRestoredFromBin(RootItem *selected_item, const QList<Message> &messages) {
Q_UNUSED(selected_item)
Q_UNUSED(messages)
return true;
}
bool ServiceRoot::onAfterMessagesRestoredFromBin(RootItem *selected_item, const QList<Message> &messages) {
Q_UNUSED(selected_item)
Q_UNUSED(messages)
updateCounts(true);
itemChanged(getSubTree());
return true;
}
void ServiceRoot::assembleFeeds(Assignment feeds) {
QHash<int,Category*> categories = getHashedSubTreeCategories();
foreach (const AssignmentItem &feed, feeds) {
if (feed.first == NO_PARENT_CATEGORY) {
// This is top-level feed, add it to the root item.
appendChild(feed.second);
}
else if (categories.contains(feed.first)) {
// This feed belongs to this category.
categories.value(feed.first)->appendChild(feed.second);
}
else {
qWarning("Feed '%s' is loose, skipping it.", qPrintable(feed.second->title()));
}
}
}
void ServiceRoot::assembleCategories(Assignment categories) {
QHash<int,RootItem*> assignments;
assignments.insert(NO_PARENT_CATEGORY, this);
// Add top-level categories.
while (!categories.isEmpty()) {
for (int i = 0; i < categories.size(); i++) {
if (assignments.contains(categories.at(i).first)) {
// Parent category of this category is already added.
assignments.value(categories.at(i).first)->appendChild(categories.at(i).second);
// Now, added category can be parent for another categories, add it.
assignments.insert(categories.at(i).second->id(), categories.at(i).second);
// Remove the category from the list, because it was
// added to the final collection.
categories.removeAt(i);
i--;
}
}
}
}