Merged in feature/IO-2208-chat-affix (pull request #797)

Feature/IO-2208 chat affix

Approved-by: Patrick Fic

client/src/components/chat-conversation-list/chat-conversation-list.component.jsx

@@ -1,5 +1,5 @@
 import { Badge, List, Tag } from "antd";
-import React from "react";
+import React, { useEffect } from "react";
 import { connect } from "react-redux";
 import { createStructuredSelector } from "reselect";
 import { setSelectedConversation } from "../../redux/messaging/messaging.actions";
@@ -7,6 +7,8 @@ import { selectSelectedConversation } from "../../redux/messaging/messaging.sele
 import { TimeAgoFormatter } from "../../utils/DateFormatter";
 import PhoneFormatter from "../../utils/PhoneFormatter";
 import OwnerNameDisplay from "../owner-name-display/owner-name-display.component";
+import { List as VirtualizedList, AutoSizer } from "react-virtualized";
+
 import "./chat-conversation-list.styles.scss";
 
 const mapStateToProps = createStructuredSelector({
@@ -18,59 +20,86 @@ const mapDispatchToProps = (dispatch) => ({
     dispatch(setSelectedConversation(conversationId)),
 });
 
-export function ChatConversationListComponent({
+function ChatConversationListComponent({
   conversationList,
   selectedConversation,
   setSelectedConversation,
+  subscribeToMoreConversations,
+  loadMoreConversations,
 }) {
+  useEffect(
+    () => subscribeToMoreConversations(),
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+    []
+  );
+
+  const rowRenderer = ({ index, key, style }) => {
+    const item = conversationList[index];
+
+    return (
+      <List.Item
+        key={key}
+        onClick={() => setSelectedConversation(item.id)}
+        className={`chat-list-item ${
+          item.id === selectedConversation
+            ? "chat-list-selected-conversation"
+            : null
+        }`}
+        style={style}
+      >
+        <div sryle={{ display: "inline-block" }}>
+          {item.label && <div className="chat-name">{item.label}</div>}
+          {item.job_conversations.length > 0 ? (
+            <div className="chat-name">
+              {item.job_conversations.map((j, idx) => (
+                <div key={idx}>
+                  <OwnerNameDisplay ownerObject={j.job} />
+                </div>
+              ))}
+            </div>
+          ) : (
+            <PhoneFormatter>{item.phone_num}</PhoneFormatter>
+          )}
+        </div>
+        <div sryle={{ display: "inline-block" }}>
+          <div>
+            {item.job_conversations.length > 0
+              ? item.job_conversations.map((j, idx) => (
+                  <Tag key={idx} className="ro-number-tag">
+                    {j.job.ro_number}
+                  </Tag>
+                ))
+              : null}
+          </div>
+          <TimeAgoFormatter>{item.updated_at}</TimeAgoFormatter>
+        </div>
+        <Badge count={item.messages_aggregate.aggregate.count || 0} />
+      </List.Item>
+    );
+  };
+
   return (
     <div className="chat-list-container">
-      <List
-        bordered
-        dataSource={conversationList}
-        renderItem={(item) => (
-          <List.Item
-            key={item.id}
-            onClick={() => setSelectedConversation(item.id)}
-            className={`chat-list-item ${
-              item.id === selectedConversation
-                ? "chat-list-selected-conversation"
-                : null
-            }`}
-          >
-            <div sryle={{ display: "inline-block" }}>
-              {item.label && <div className="chat-name">{item.label}</div>}
-              {item.job_conversations.length > 0 ? (
-                <div className="chat-name">
-                  {item.job_conversations.map((j, idx) => (
-                    <div key={idx}>
-                      <OwnerNameDisplay ownerObject={j.job} />
-                    </div>
-                  ))}
-                </div>
-              ) : (
-                <PhoneFormatter>{item.phone_num}</PhoneFormatter>
-              )}
-            </div>
-            <div sryle={{ display: "inline-block" }}>
-              <div>
-                {item.job_conversations.length > 0
-                  ? item.job_conversations.map((j, idx) => (
-                      <Tag key={idx} className="ro-number-tag">
-                        {j.job.ro_number}
-                      </Tag>
-                    ))
-                  : null}
-              </div>
-              <TimeAgoFormatter>{item.updated_at}</TimeAgoFormatter>
-            </div>
-            <Badge count={item.messages_aggregate.aggregate.count || 0} />
-          </List.Item>
+      <AutoSizer>
+        {({ height, width }) => (
+          <VirtualizedList
+            height={height}
+            width={width}
+            rowCount={conversationList.length}
+            rowHeight={60}
+            rowRenderer={rowRenderer}
+            onScroll={({ scrollTop, scrollHeight, clientHeight }) => {
+              if (scrollTop + clientHeight === scrollHeight) {
+                loadMoreConversations();
+              }
+            }}
+          />
         )}
-      />
+      </AutoSizer>
     </div>
   );
 }
+
 export default connect(
   mapStateToProps,
   mapDispatchToProps

client/src/components/chat-conversation-list/chat-conversation-list.styles.scss

@@ -3,8 +3,9 @@
 }
 .chat-list-container {
   flex: 1;
-  overflow: auto;
+  overflow: hidden;
   height: 100%;
+  border: 1px solid gainsboro;
 }
 
 .chat-list-item {
@@ -21,4 +22,6 @@
   .ro-number-tag {
     align-self: baseline;
   }
+  padding: 12px 24px;
+  border-bottom: 1px solid gainsboro;
 }

client/src/components/chat-popup/chat-popup.component.jsx

@@ -4,15 +4,16 @@ import {
   ShrinkOutlined,
   SyncOutlined,
 } from "@ant-design/icons";
-import { useQuery } from "@apollo/client";
+import { useLazyQuery, useSubscription } from "@apollo/client";
 import { Badge, Card, Col, Row, Space, Tag, Tooltip, Typography } from "antd";
-import React, { useEffect, useState } from "react";
+import React, { useCallback, useEffect, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { connect } from "react-redux";
 import { createStructuredSelector } from "reselect";
 import {
   CONVERSATION_LIST_QUERY,
-  UNREAD_CONVERSATION_COUNT,
+  CONVERSATION_LIST_SUBSCRIPTION,
+  UNREAD_CONVERSATION_COUNT_SUBSCRIPTION,
 } from "../../graphql/conversations.queries";
 import { toggleChatVisible } from "../../redux/messaging/messaging.actions";
 import {
@@ -41,17 +42,17 @@ export function ChatPopupComponent({
   const { t } = useTranslation();
   const [pollInterval, setpollInterval] = useState(0);
 
-  const { data: unreadData } = useQuery(UNREAD_CONVERSATION_COUNT, {
-    fetchPolicy: "network-only",
-    nextFetchPolicy: "network-only",
-    ...(pollInterval > 0 ? { pollInterval } : {}),
-  });
+  const { data: unreadData } = useSubscription(
+    UNREAD_CONVERSATION_COUNT_SUBSCRIPTION
+  );
 
-  const { loading, data, refetch, called } = useQuery(CONVERSATION_LIST_QUERY, {
-    fetchPolicy: "network-only",
-    nextFetchPolicy: "network-only",
+  const [
+    getConversations,
+    { loading, data, called, refetch, fetchMore, subscribeToMore },
+  ] = useLazyQuery(CONVERSATION_LIST_QUERY, {
+    fetchPolicy: "cache-and-network",
+    nextFetchPolicy: "cache-first",
     skip: !chatVisible,
-    ...(pollInterval > 0 ? { pollInterval } : {}),
   });
 
   const fcmToken = sessionStorage.getItem("fcmtoken");
@@ -65,15 +66,22 @@ export function ChatPopupComponent({
   }, [fcmToken]);
 
   useEffect(() => {
-    if (called && chatVisible) refetch();
-  }, [chatVisible, called, refetch]);
+    if (called && chatVisible)
+      getConversations({
+        variables: {
+          offset: 0,
+        },
+      });
+  }, [chatVisible, called, getConversations]);
 
-  // const unreadCount = data
-  //   ? data.conversations.reduce(
-  //       (acc, val) => val.messages_aggregate.aggregate.count + acc,
-  //       0
-  //     )
-  //   : 0;
+  const loadMoreConversations = useCallback(() => {
+    if (data)
+      fetchMore({
+        variables: {
+          offset: data.conversations.length,
+        },
+      });
+  }, [data, fetchMore]);
 
   const unreadCount = unreadData?.messages_aggregate.aggregate.count || 0;
 
@@ -110,6 +118,44 @@ export function ChatPopupComponent({
                 ) : (
                   <ChatConversationListComponent
                     conversationList={data ? data.conversations : []}
+                    loadMoreConversations={loadMoreConversations}
+                    subscribeToMoreConversations={() =>
+                      subscribeToMore({
+                        document: CONVERSATION_LIST_SUBSCRIPTION,
+                        variables: { offset: 0 },
+                        updateQuery: (prev, { subscriptionData }) => {
+                          if (
+                            !subscriptionData.data ||
+                            subscriptionData.data.conversations.length === 0
+                          )
+                            return prev;
+
+                          let conversations = [...prev.conversations];
+                          const newConversations =
+                            subscriptionData.data.conversations;
+
+                          for (const conversation of newConversations) {
+                            const index = conversations.findIndex(
+                              (prevConversation) =>
+                                prevConversation.id === conversation.id
+                            );
+
+                            if (index !== -1) {
+                              conversations.splice(index, 1);
+                              conversations.unshift(conversation);
+
+                              continue;
+                            }
+
+                            conversations.unshift(conversation);
+                          }
+
+                          return Object.assign({}, prev, {
+                            conversations: conversations,
+                          });
+                        },
+                      })
+                    }
                   />
                 )}
               </Col>