Add serialization on matrix events

src/events/AliasesEventContent.cc

@@ -36,3 +36,18 @@ void AliasesEventContent::deserialize(const QJsonValue &data)
 	for (const auto &alias : aliases)
 		aliases_.push_back(alias.toString());
 }
+
+QJsonObject AliasesEventContent::serialize() const
+{
+	QJsonObject object;
+
+	QJsonArray aliases;
+
+	for (const auto &alias : aliases_)
+		aliases.push_back(alias);
+
+	if (aliases.size() > 0)
+		object["aliases"] = aliases;
+
+	return object;
+}

src/events/AvatarEventContent.cc

@@ -36,3 +36,13 @@ void AvatarEventContent::deserialize(const QJsonValue &data)
 	if (!url_.isValid())
 		qWarning() << "Invalid avatar url" << url_;
 }
+
+QJsonObject AvatarEventContent::serialize() const
+{
+	QJsonObject object;
+
+	if (!url_.isEmpty())
+		object["url"] = url_.toString();
+
+	return object;
+}

src/events/CanonicalAliasEventContent.cc

@@ -31,3 +31,13 @@ void CanonicalAliasEventContent::deserialize(const QJsonValue &data)
 
 	alias_ = object.value("alias").toString();
 }
+
+QJsonObject CanonicalAliasEventContent::serialize() const
+{
+	QJsonObject object;
+
+	if (!alias_.isEmpty())
+		object["alias"] = alias_;
+
+	return object;
+}

src/events/CreateEventContent.cc

@@ -31,3 +31,13 @@ void CreateEventContent::deserialize(const QJsonValue &data)
 
 	creator_ = object.value("creator").toString();
 }
+
+QJsonObject CreateEventContent::serialize() const
+{
+	QJsonObject object;
+
+	if (!creator_.isEmpty())
+		object["creator"] = creator_;
+
+	return object;
+}

src/events/HistoryVisibilityEventContent.cc

@@ -42,3 +42,19 @@ void HistoryVisibilityEventContent::deserialize(const QJsonValue &data)
 	else
 		throw DeserializationException(QString("Unknown history_visibility value: %1").arg(value).toUtf8().constData());
 }
+
+QJsonObject HistoryVisibilityEventContent::serialize() const
+{
+	QJsonObject object;
+
+	if (history_visibility_ == HistoryVisibility::Invited)
+		object["history_visibility"] = "invited";
+	else if (history_visibility_ == HistoryVisibility::Joined)
+		object["history_visibility"] = "joined";
+	else if (history_visibility_ == HistoryVisibility::Shared)
+		object["history_visibility"] = "shared";
+	else if (history_visibility_ == HistoryVisibility::WorldReadable)
+		object["history_visibility"] = "world_readable";
+
+	return object;
+}

src/events/JoinRulesEventContent.cc

@@ -42,3 +42,19 @@ void JoinRulesEventContent::deserialize(const QJsonValue &data)
 	else
 		throw DeserializationException(QString("Unknown join_rule value: %1").arg(value).toUtf8().constData());
 }
+
+QJsonObject JoinRulesEventContent::serialize() const
+{
+	QJsonObject object;
+
+	if (join_rule_ == JoinRule::Invite)
+		object["join_rule"] = "invite";
+	else if (join_rule_ == JoinRule::Knock)
+		object["join_rule"] = "knock";
+	else if (join_rule_ == JoinRule::Private)
+		object["join_rule"] = "private";
+	else if (join_rule_ == JoinRule::Public)
+		object["join_rule"] = "public";
+
+	return object;
+}

src/events/MemberEventContent.cc

@@ -55,3 +55,27 @@ void MemberEventContent::deserialize(const QJsonValue &data)
 	if (object.contains("displayname"))
 		display_name_ = object.value("displayname").toString();
 }
+
+QJsonObject MemberEventContent::serialize() const
+{
+	QJsonObject object;
+
+	if (membership_state_ == Membership::Ban)
+		object["membership"] = "ban";
+	else if (membership_state_ == Membership::Invite)
+		object["membership"] = "invite";
+	else if (membership_state_ == Membership::Join)
+		object["membership"] = "join";
+	else if (membership_state_ == Membership::Knock)
+		object["membership"] = "knock";
+	else if (membership_state_ == Membership::Leave)
+		object["membership"] = "leave";
+
+	if (!avatar_url_.isEmpty())
+		object["avatar_url"] = avatar_url_.toString();
+
+	if (!display_name_.isEmpty())
+		object["displayname"] = display_name_;
+
+	return object;
+}

src/events/MessageEventContent.cc

@@ -61,3 +61,11 @@ void MessageEventContent::deserialize(const QJsonValue &data)
 
 	body_ = object.value("body").toString();
 }
+
+QJsonObject MessageEventContent::serialize() const
+{
+	// TODO: Add for all the message contents.
+	QJsonObject object;
+
+	return object;
+}

src/events/NameEventContent.cc

@@ -31,3 +31,13 @@ void NameEventContent::deserialize(const QJsonValue &data)
 
 	name_ = object.value("name").toString();
 }
+
+QJsonObject NameEventContent::serialize() const
+{
+	QJsonObject object;
+
+	if (!name_.isEmpty())
+		object["name"] = name_;
+
+	return object;
+}

src/events/PowerLevelsEventContent.cc

@@ -65,6 +65,34 @@ void PowerLevelsEventContent::deserialize(const QJsonValue &data)
 	}
 }
 
+QJsonObject PowerLevelsEventContent::serialize() const
+{
+	QJsonObject object;
+
+	object["ban"] = ban_;
+	object["invite"] = invite_;
+	object["kick"] = kick_;
+	object["redact"] = redact_;
+
+	object["events_default"] = events_default_;
+	object["users_default"] = users_default_;
+	object["state_default"] = state_default_;
+
+	QJsonObject users;
+	QJsonObject events;
+
+	for (auto it = users_.constBegin(); it != users_.constEnd(); it++)
+		users.insert(it.key(), it.value());
+
+	for (auto it = events_.constBegin(); it != events_.constEnd(); it++)
+		events.insert(it.key(), it.value());
+
+	object["users"] = users;
+	object["events"] = events;
+
+	return object;
+}
+
 int PowerLevelsEventContent::eventLevel(QString event_type) const
 {
 	if (events_.contains(event_type))

src/events/TopicEventContent.cc

@@ -31,3 +31,13 @@ void TopicEventContent::deserialize(const QJsonValue &data)
 
 	topic_ = object.value("topic").toString();
 }
+
+QJsonObject TopicEventContent::serialize() const
+{
+	QJsonObject object;
+
+	if (!topic_.isEmpty())
+		object["topic"] = topic_;
+
+	return object;
+}