Handle message loading errors and revive crash reporter

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

1 files changed, 70 insertions, 0 deletions

diff --git a/src/util/CrashReport.js b/src/util/CrashReport.js
new file mode 100644
index 000000000..a1f218f04
--- /dev/null
+++ b/src/util/CrashReport.js
@@ -0,0 +1,70 @@
+/*
+ * @copyright 2018 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2018 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import IssueTemplateBuilder from 'nextcloud_issuetemplate_builder'
+
+const flattenError = error => {
+	let text = ''
+	if (error.type) {
+		text += error.type + ': '
+	}
+	text += error.message
+	text += '\n'
+	if (error.trace) {
+		text += flattenTrace(error.trace)
+	}
+	if (error.stack) {
+		text += error.stack
+	}
+	return text
+}
+
+const flattenTrace = trace => {
+	return trace.reduce(function (acc, entry) {
+		var text = ''
+		if (entry.class) {
+			text += '  at ' + entry.class + '::' + entry.function
+		} else {
+			text += '  at ' + entry.function
+		}
+		if (entry.file) {
+			text += '\n     ' + entry.file + ', line ' + entry.line
+		}
+		return acc + text + '\n'
+	}, '')
+}
+
+export const getReportUrl = error => {
+	console.error(error)
+	var message = error.message || 'An unkown error occurred.'
+	if (!message.endsWith('.')) {
+		message += '.'
+	}
+	var builder = new IssueTemplateBuilder()
+	var template = builder.addEmptyStepsToReproduce()
+		.addExpectedActualBehaviour()
+		.addLogs('Error', flattenError(error))
+		.render()
+
+	return 'https://github.com/nextcloud/mail/issues/new' +
+		'?title=' + encodeURIComponent(message) +
+		'&body=' + encodeURIComponent(template)
+}