3 files changed, 130 insertions, 0 deletions
diff --git a/vnext/server/common/MessageUtils.js b/vnext/server/common/MessageUtils.js
new file mode 100644
index 00000000..f766faf2
--- /dev/null
+++ b/vnext/server/common/MessageUtils.js
@@ -0,0 +1,66 @@
+/**
+ * check if message is PM
+ *
+ * @param {import('../../src/api').Message} msg message
+ */
+ export function isPM(msg) {
+    return !msg.mid;
+}
+
+/**
+ * check if message is reply
+ *
+ * @param {import('../../src/api').Message} msg message
+ */
+export function isReply(msg) {
+    return msg.rid && msg.rid > 0;
+}
+
+/**
+ * check if message is service one
+ *
+ * @param {import('../../src/api').Message} msg message
+ */
+export function isService(msg) {
+    return msg.service && msg.service;
+}
+
+/**
+ * format notification title
+ *
+ * @param {import('../../src/api').Message} msg message
+ * @returns {string} formatted title
+ */
+export function formatTitle(msg) {
+    if (isReply(msg)) {
+        return `Reply by ${msg.user.uname}:`;
+    } else if (isPM(msg)) {
+        return `Private message from ${msg.user.uname}:`;
+    }
+    return `${msg.user.uname}`;
+}
+
+/**
+ * format notification quote
+ *
+ * @param { import('../../src/api').Message } msg message
+ * @returns {string} formatted quote line
+ */
+export function formatQuote(msg) {
+    if (isReply(msg)) {
+        return msg.replyQuote || '';
+    } else if (isPM(msg)) {
+        return '';
+    }
+    return (msg.tags || []).map(t => `*${t}`).join(', ');
+}
+
+/**
+ * format notification body
+ *
+ * @param {import('../../src/api').Message} msg message
+ * @returns {string} formatted body
+ */
+export function formatMessage(msg) {
+    return msg.body || 'Sent an image';
+}
diff --git a/vnext/server/common/MessageUtils.spec.js b/vnext/server/common/MessageUtils.spec.js
new file mode 100644
index 00000000..766b1882
--- /dev/null
+++ b/vnext/server/common/MessageUtils.spec.js
@@ -0,0 +1,47 @@
+import { formatTitle, formatMessage, formatQuote } from './MessageUtils';
+
+describe('Message formatting', () => {
+    it('Blog message', () => {
+        let msg = {
+            'mid': 1,
+            'user': {
+                'uid': 1,
+                'uname': 'ugnich'
+            },
+            'tags': [
+                'yo',
+                'people'
+            ],
+            'body': 'The message'
+        };
+        expect(formatTitle(msg)).toMatchSnapshot();
+        expect(formatQuote(msg)).toMatchSnapshot();
+        expect(formatMessage(msg)).toMatchSnapshot();
+    });
+    it('Reply message', () => {
+        let msg = {
+            'mid': 1,
+            'rid': 1,
+            'user': {
+                'uid': 1,
+                'uname': 'ugnich'
+            },
+            'replyQuote': '> The message',
+            'body': 'The reply'
+        };
+        expect(formatTitle(msg)).toMatchSnapshot();
+        expect(formatQuote(msg)).toMatchSnapshot();
+        expect(formatMessage(msg)).toMatchSnapshot();
+    });
+    it('PM', () => {
+        let msg = {
+            'user': {
+                'uid': 1,
+                'uname': 'ugnich'
+            },
+            'body': 'The PM'
+        };
+        expect(formatTitle(msg)).toMatchSnapshot();
+        expect(formatMessage(msg)).toMatchSnapshot();
+    });
+});
diff --git a/vnext/server/common/__snapshots__/MessageUtils.spec.js.snap b/vnext/server/common/__snapshots__/MessageUtils.spec.js.snap
new file mode 100644
index 00000000..ea58aebc
--- /dev/null
+++ b/vnext/server/common/__snapshots__/MessageUtils.spec.js.snap
@@ -0,0 +1,17 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Message formatting Blog message 1`] = `"ugnich"`;
+
+exports[`Message formatting Blog message 2`] = `"*yo, *people"`;
+
+exports[`Message formatting Blog message 3`] = `"The message"`;
+
+exports[`Message formatting PM 1`] = `"Private message from ugnich:"`;
+
+exports[`Message formatting PM 2`] = `"The PM"`;
+
+exports[`Message formatting Reply message 1`] = `"Reply by ugnich:"`;
+
+exports[`Message formatting Reply message 2`] = `"> The message"`;
+
+exports[`Message formatting Reply message 3`] = `"The reply"`;