From 2cd1a931c28d0fd8e8755e9622a7d8f56d1a24a0 Mon Sep 17 00:00:00 2001
From: Nicolas Werner <nicolas.werner@hotmail.de>
Date: Wed, 9 Jun 2021 23:52:28 +0200
Subject: Basic community list model

---
 src/timeline/CommunitiesModel.cpp | 158 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 src/timeline/CommunitiesModel.cpp

(limited to 'src/timeline/CommunitiesModel.cpp')

diff --git a/src/timeline/CommunitiesModel.cpp b/src/timeline/CommunitiesModel.cpp
new file mode 100644
index 00000000..cedaacce
--- /dev/null
+++ b/src/timeline/CommunitiesModel.cpp
@@ -0,0 +1,158 @@
+// SPDX-FileCopyrightText: 2021 Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "CommunitiesModel.h"
+
+#include <set>
+
+#include "Cache.h"
+#include "UserSettingsPage.h"
+
+CommunitiesModel::CommunitiesModel(QObject *parent)
+  : QAbstractListModel(parent)
+{}
+
+QHash<int, QByteArray>
+CommunitiesModel::roleNames() const
+{
+        return {
+          {AvatarUrl, "avatarUrl"},
+          {DisplayName, "displayName"},
+          {Tooltip, "tooltip"},
+          {ChildrenHidden, "childrenHidden"},
+        };
+}
+
+QVariant
+CommunitiesModel::data(const QModelIndex &index, int role) const
+{
+        if (index.row() == 0) {
+                switch (role) {
+                case CommunitiesModel::Roles::AvatarUrl:
+                        return QString(":/icons/icons/ui/world.png");
+                case CommunitiesModel::Roles::DisplayName:
+                        return tr("All rooms");
+                case CommunitiesModel::Roles::Tooltip:
+                        return tr("Shows all rooms without filtering.");
+                case CommunitiesModel::Roles::ChildrenHidden:
+                        return false;
+                case CommunitiesModel::Roles::Id:
+                        return "";
+                }
+        } else if (index.row() - 1 < tags_.size()) {
+                auto tag = tags_.at(index.row() - 1);
+                if (tag == "m.favourite") {
+                        switch (role) {
+                        case CommunitiesModel::Roles::AvatarUrl:
+                                return QString(":/icons/icons/ui/star.png");
+                        case CommunitiesModel::Roles::DisplayName:
+                                return tr("Favourites");
+                        case CommunitiesModel::Roles::Tooltip:
+                                return tr("Rooms you have favourited.");
+                        }
+                } else if (tag == "m.lowpriority") {
+                        switch (role) {
+                        case CommunitiesModel::Roles::AvatarUrl:
+                                return QString(":/icons/icons/ui/star.png");
+                        case CommunitiesModel::Roles::DisplayName:
+                                return tr("Low Priority");
+                        case CommunitiesModel::Roles::Tooltip:
+                                return tr("Rooms with low priority.");
+                        }
+                } else if (tag == "m.server_notice") {
+                        switch (role) {
+                        case CommunitiesModel::Roles::AvatarUrl:
+                                return QString(":/icons/icons/ui/tag.png");
+                        case CommunitiesModel::Roles::DisplayName:
+                                return tr("Server Notices");
+                        case CommunitiesModel::Roles::Tooltip:
+                                return tr("Messages from your server or administrator.");
+                        }
+                } else {
+                        switch (role) {
+                        case CommunitiesModel::Roles::AvatarUrl:
+                                return QString(":/icons/icons/ui/tag.png");
+                        case CommunitiesModel::Roles::DisplayName:
+                                return tag.right(2);
+                        case CommunitiesModel::Roles::Tooltip:
+                                return tag.right(2);
+                        }
+                }
+
+                switch (role) {
+                case CommunitiesModel::Roles::ChildrenHidden:
+                        return UserSettings::instance()->hiddenTags().contains("tag:" + tag);
+                case CommunitiesModel::Roles::Id:
+                        return "tag:" + tag;
+                }
+        }
+        return QVariant();
+}
+
+void
+CommunitiesModel::initializeSidebar()
+{
+        std::set<std::string> ts;
+        for (const auto &e : cache::roomInfo()) {
+                for (const auto &t : e.tags) {
+                        if (t.find("u.") == 0 || t.find("m." == 0)) {
+                                ts.insert(t);
+                        }
+                }
+        }
+
+        beginResetModel();
+        tags_.clear();
+        for (const auto &t : ts)
+                tags_.push_back(QString::fromStdString(t));
+        endResetModel();
+
+        emit tagsChanged();
+}
+
+void
+CommunitiesModel::clear()
+{
+        beginResetModel();
+        tags_.clear();
+        endResetModel();
+
+        emit tagsChanged();
+}
+
+void
+CommunitiesModel::sync(const mtx::responses::Rooms &rooms)
+{
+        bool tagsUpdated = false;
+
+        for (const auto &[roomid, room] : rooms.join) {
+                (void)roomid;
+                for (const auto &e : room.account_data.events)
+                        if (std::holds_alternative<
+                              mtx::events::AccountDataEvent<mtx::events::account_data::Tags>>(e)) {
+                                tagsUpdated = true;
+                        }
+        }
+
+        if (tagsUpdated)
+                initializeSidebar();
+}
+
+void
+CommunitiesModel::setCurrentTagId(QString tagId)
+{
+        if (tagId.startsWith("tag:")) {
+                auto tag = tagId.remove(0, 4);
+                for (const auto &t : tags_) {
+                        if (t == tag) {
+                                this->currentTagId_ = tagId;
+                                emit currentTagIdChanged();
+                                return;
+                        }
+                }
+        }
+
+        this->currentTagId_ = "";
+        emit currentTagIdChanged();
+}
-- 
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