Added option to save email in Nextcloud for #96 and @Mer0me

https://help.nextcloud.com/t/best-way-to-archive-mails-into-nextcloud-folders/144252

plugins/nextcloud/js/message.js

@@ -0,0 +1,71 @@
+(rl => {
+	addEventListener('rl-view-model.create', e => {
+		if ('MailMessageView' === e.detail.viewModelTemplateID) {
+			let view = e.detail;
+			view.saveNextcloudError = ko.observable(false).extend({ falseTimeout: 7000 });
+			view.saveNextcloudLoading = ko.observable(false);
+			view.saveNextcloud = () => {
+				const
+					hashes = (view.message()?.attachments || [])
+					.map(item => item?.checked() /*&& !item?.isLinked()*/ ? item.download : '')
+					.filter(v => v);
+				if (hashes.length) {
+					view.saveNextcloudLoading(true);
+					rl.fetchJSON('./?/Json/&q[]=/0/', {}, {
+						Action: 'AttachmentsActions',
+						Do: 'nextcloud',
+						Hashes: hashes
+					})
+					.then(result => {
+						view.saveNextcloudLoading(false);
+						if (result?.Result) {
+							// success
+						} else {
+							view.saveNextcloudError(true);
+						}
+					})
+					.catch(() => {
+						view.saveNextcloudLoading(false);
+						view.saveNextcloudError(true);
+					});
+				}
+			};
+
+			view.nextcloudSaveMsg = () => {
+				let msg = view.message();
+				rl.pluginRemoteRequest(
+					(iError, data) => {
+						console.dir({
+							iError:iError,
+							data:data
+						});
+					},
+					'NextcloudSaveMsg',
+					{
+						'msgHash': msg.requestHash,
+						'filename': msg.subject()
+					}
+				);
+			};
+		}
+	});
+
+	let template = document.getElementById('MailMessageView');
+
+	const attachmentsControls = template.content.querySelector('.attachmentsControls');
+	if (attachmentsControls) {
+		attachmentsControls.append(Element.fromHTML('<span>'
+			+ '<i class="fontastic iconcolor-red" data-bind="visible: saveNextcloudError">✖</i>'
+			+ '<i class="fontastic" data-bind="visible: !saveNextcloudError(), css: {\'icon-spinner\': saveNextcloudLoading()}">💾</i>'
+			+ '<span class="g-ui-link" data-bind="click: saveNextcloud" data-i18n="NEXTCLOUD/SAVE_ATTACHMENTS"></span>'
+		+ '</span>'));
+	}
+
+	const msgMenu = template.content.querySelector('#more-view-dropdown-id + menu');
+	if (msgMenu) {
+		msgMenu.append(Element.fromHTML('<li role="presentation">'
+			+ '<a href="#" tabindex="-1" data-icon="📥" data-bind="click: nextcloudSaveMsg" data-i18n="NEXTCLOUD/SAVE_EML"></a>'
+		+ '</li>'));
+	}
+
+})(window.rl);