From d20e5750300ccb7e72d09d114a30537fd8c28bab Mon Sep 17 00:00:00 2001
From: Shivam <shivamsn97@gmail.com>
Date: Mon, 8 Mar 2021 00:25:37 +0530
Subject: [PATCH] Added pagination in getInbox.

getInbox function now accepts two arguments: start and limit (both integers)
start - Specifies the starting index of the results. (index starts from 0)
limit - Specifies how many elements we want after the start value. -1 for infinite.
For example: start = 10 and limit = 4 will return the 11th, 12th,13th and 14th elements.
---
 lib/service.ts | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/lib/service.ts b/lib/service.ts
index 2fa04f0..324a875 100644
--- a/lib/service.ts
+++ b/lib/service.ts
@@ -13,12 +13,11 @@ class MessageService {
         this.page = page
     }
 
-    async getInbox() {
-        // TODO: add pagination
+    async getInbox(start=0, limit=-1) {
         await this.page.waitForNavigation({ waitUntil: 'load' })
         await this.page.waitForSelector('body > mw-app > mw-bootstrap > div > main > mw-main-container > div > mw-main-nav > mws-conversations-list > nav > div.conv-container.ng-star-inserted > mws-conversation-list-item')
 
-        const inbox = await this.page.evaluate(() => {
+        const inbox = await this.page.evaluate((start, limit) => {
             function evalConvoElement (conversation: Element) {
                 const props: Conversation = {
                     unread: false, // querySelector find .unread class
@@ -49,13 +48,20 @@ class MessageService {
 
             const conversations = document.querySelectorAll("body > mw-app > mw-bootstrap > div > main > mw-main-container > div > mw-main-nav > mws-conversations-list > nav > div.conv-container.ng-star-inserted > mws-conversation-list-item")
             const msgs = []
+            var i =0
             for (const conversation of conversations) {
                 if (conversation) {
-                    msgs.push(evalConvoElement(conversation))
+                    if(limit >= 0 && i>limit+start) {
+                        break
+                    }
+                    if(i>=start){
+                        msgs.push(evalConvoElement(conversation))
+                    }
+                    i++
                 }
             }
             return msgs
-        })
+        }, start, limit)
         return inbox
     }