conversation model: use map to store conversation by id

GitLab: #1794
Change-Id: I559d306a9f82453e2fbad653f1fe05e6d25a1f6e

src/libclient/conversationmodel.cpp

@@ -227,6 +227,8 @@ public:
     ConversationModel::ConversationQueueProxy filteredConversations;
     ConversationModel::ConversationQueueProxy customFilteredConversations;
 
+    std::map<QString, std::reference_wrapper<conversation::Info>> conversationMap;
+
     QString currentFilter;
     FilterType typeFilter;
     FilterType customTypeFilter;
@@ -420,15 +422,16 @@ ConversationModel::allFilteredConversations() const
 QMap<ConferenceableItem, ConferenceableValue>
 ConversationModel::getConferenceableConversations(const QString& convId, const QString& filter) const
 {
-    auto conversationIdx = pimpl_->indexOf(convId);
-    if (conversationIdx == -1 || !owner.enabled) {
+    auto conversationIt = pimpl_->conversationMap.find(convId);
+    if (conversationIt == pimpl_->conversationMap.end() || !owner.enabled) {
         return {};
     }
+    auto& conversation = conversationIt->second.get();
     QMap<ConferenceableItem, ConferenceableValue> result;
     ConferenceableValue callsVector, contactsVector;
 
-    auto currentConfId = pimpl_->conversations.at(conversationIdx).confId;
-    auto currentCallId = pimpl_->conversations.at(conversationIdx).callId;
+    auto& currentConfId = conversation.confId;
+    auto& currentCallId = conversation.callId;
     auto calls = pimpl_->lrc.getCalls();
     auto conferences = pimpl_->lrc.getConferences(owner.id);
     auto& conversations = pimpl_->conversations;
@@ -2399,15 +2402,16 @@ ConversationModelPimpl::slotConversationReady(const QString& accountId, const QS
         }
     }
 
-    int conversationIdx = indexOf(conversationId);
-    bool conversationExists = conversationIdx >= 0;
+    auto conversationIt = conversationMap.find(conversationId);
+    bool conversationExists = conversationIt != conversationMap.end();
 
-    if (!conversationExists)
+    if (!conversationExists) {
         addSwarmConversation(conversationId);
-    auto& conversation = getConversationForUid(conversationId).get();
+        conversationIt = conversationMap.find(conversationId);
+    }
+    auto& conversation = conversationIt->second.get();
     if (conversationExists) {
         // if swarm request already exists, update participnts
-        auto& conversation = getConversationForUid(conversationId).get();
         conversation.participants = participants;
         const MapStringString& details = ConfigurationManager::instance().conversationInfos(accountId, conversationId);
         conversation.infos = details;
@@ -2418,7 +2422,7 @@ ConversationModelPimpl::slotConversationReady(const QString& accountId, const QS
         conversation.isRequest = false;
         conversation.needsSyncing = false;
         Q_EMIT linked.conversationUpdated(conversationId);
-        Q_EMIT linked.dataChanged(conversationIdx);
+        Q_EMIT linked.dataChanged(indexOf(conversationId));
         ConfigurationManager::instance().loadConversation(linked.owner.id, conversationId, "", 0);
         auto& peers = peersForConversation(conversation);
         if (peers.size() == 1)
@@ -2438,18 +2442,17 @@ ConversationModelPimpl::slotConversationReady(const QString& accountId, const QS
 void
 ConversationModelPimpl::slotConversationRemoved(const QString& accountId, const QString& conversationId)
 {
-    auto conversationIndex = indexOf(conversationId);
-    if (accountId != linked.owner.id || conversationIndex < 0)
+    if (accountId != linked.owner.id)
         return;
     try {
+        auto& conversation = getConversationForUid(conversationId).get();
         auto removeConversation = [&]() {
             // remove swarm conversation
-            eraseConversation(conversationIndex);
+            eraseConversation(conversationId);
             invalidateModel();
             Q_EMIT linked.conversationRemoved(conversationId);
         };
 
-        auto& conversation = getConversationForUid(conversationId).get();
         auto& peers = peersForConversation(conversation);
         if (peers.isEmpty()) {
             removeConversation();
@@ -2506,18 +2509,21 @@ ConversationModelPimpl::slotConversationMemberEvent(const QString& accountId,
         }
     }
     // update participants
-    auto& conversation = getConversationForUid(conversationId).get();
-    const VectorMapStringString& members = ConfigurationManager::instance().getConversationMembers(linked.owner.id,
-                                                                                                   conversationId);
-    QVector<member::Member> participants;
-    VectorString membersRemaining;
-    for (auto& member : members) {
-        participants.append(member::Member {member["uri"], member::to_role(member["role"])});
-        if (member["role"] != "left")
-            membersRemaining.append(member["uri"]);
+    try {
+        auto& conversation = getConversationForUid(conversationId).get();
+        const VectorMapStringString& members
+            = ConfigurationManager::instance().getConversationMembers(linked.owner.id, conversationId);
+        QVector<member::Member> participants;
+        VectorString membersRemaining;
+        for (auto& member : members) {
+            participants.append(member::Member {member["uri"], member::to_role(member["role"])});
+            if (member["role"] != "left")
+                membersRemaining.append(member["uri"]);
+        }
+        conversation.participants = participants;
+        invalidateModel();
+    } catch (...) {
     }
-    conversation.participants = participants;
-    invalidateModel();
     Q_EMIT linked.modelChanged();
     Q_EMIT linked.conversationUpdated(conversationId);
     Q_EMIT linked.dataChanged(indexOf(conversationId));
@@ -2956,14 +2962,24 @@ ConversationModelPimpl::getConversation(const FilterPredicate& pred, const bool
         }
     }
 
-    throw std::out_of_range("Conversation out of range");
+    throw std::out_of_range("Conversation not found");
 }
 
 std::reference_wrapper<conversation::Info>
 ConversationModelPimpl::getConversationForUid(const QString& uid, const bool searchResultIncluded) const
 {
-    return getConversation([uid](const conversation::Info& conv) -> bool { return uid == conv.uid; },
-                           searchResultIncluded);
+    auto it = conversationMap.find(uid);
+    if (it != conversationMap.end())
+        return it->second;
+    if (searchResultIncluded) {
+        auto sr = std::find_if(searchResults.begin(), searchResults.end(), [&](const auto& conv) {
+            return conv.uid == uid;
+        });
+        if (sr != searchResults.end()) {
+            return std::remove_const_t<conversation::Info&>(*sr); 
+        }
+    }
+    throw std::out_of_range("Conversation not found");
 }
 
 std::reference_wrapper<conversation::Info>
@@ -3725,16 +3741,19 @@ ConversationModelPimpl::invalidateModel()
 void
 ConversationModelPimpl::emplaceBackConversation(conversation::Info&& conversation)
 {
-    if (indexOf(conversation.uid) != -1)
+    if (conversationMap.find(conversation.uid) != conversationMap.end())
         return;
     Q_EMIT linked.beginInsertRows(conversations.size());
     conversations.emplace_back(std::move(conversation));
+    auto& newConv = conversations.back();
+    conversationMap.emplace(newConv.uid, newConv);
     Q_EMIT linked.endInsertRows();
 }
 
 void
 ConversationModelPimpl::eraseConversation(const QString& convId)
 {
+    conversationMap.erase(convId);
     eraseConversation(indexOf(convId));
 }
 
@@ -3902,12 +3921,13 @@ ConversationModelPimpl::slotConversationPreferencesUpdated(const QString&,
                                                            const QString& conversationId,
                                                            const MapStringString& preferences)
 {
-    auto conversationIdx = indexOf(conversationId);
-    if (conversationIdx < 0)
-        return;
-    auto& conversation = conversations[conversationIdx];
-    conversation.preferences = preferences;
-    Q_EMIT linked.conversationPreferencesUpdated(conversationId);
+    try {
+        auto& conversation = getConversationForUid(conversationId).get();
+        conversation.preferences = preferences;
+        Q_EMIT linked.conversationPreferencesUpdated(conversationId);
+    } catch (const std::out_of_range&) {
+        qWarning() << Q_FUNC_INFO << "Unable to find conversation" << conversationId;
+    }
 }
 
 } // namespace lrc