From 10c2b9ffcaea345242ee1fea2047c52148f42188 Mon Sep 17 00:00:00 2001
From: Lucas <lucas.oskorep@gmail.com>
Date: Sat, 9 Oct 2021 20:12:44 -0400
Subject: [PATCH] adding update time very hastily to the top right

---
 requirements.txt                              |  2 +
 server.py                                     | 41 +++++++++++--------
 templates/layouts/index.html                  | 10 ++---
 .../static/js/{DataRequests.js => MtaData.js} |  6 +++
 4 files changed, 38 insertions(+), 21 deletions(-)
 rename templates/static/js/{DataRequests.js => MtaData.js} (95%)

diff --git a/requirements.txt b/requirements.txt
index 6411e55..d829544 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,7 @@ certifi==2020.12.5
 chardet==4.0.0
 click==8.0.1
 colorama==0.4.4
+deepdiff==5.5.0
 dnspython==1.16.0
 Flask==2.0.1
 greenlet==1.1.0
@@ -13,6 +14,7 @@ itsdangerous==2.0.1
 Jinja2==3.0.1
 MarkupSafe==2.0.1
 numpy==1.21.0
+ordered-set==4.0.2
 pandas==1.3.0
 protobuf==3.16.0
 protobuf3-to-dict==0.1.5
diff --git a/server.py b/server.py
index 91fb757..4d0a0be 100644
--- a/server.py
+++ b/server.py
@@ -1,12 +1,12 @@
-import logging
 import os
 import threading
-
-from flask import Flask, jsonify, render_template, request, abort
-from mta_manager import MTA
 import pandas as pd
 
+from deepdiff import DeepDiff
+from datetime import datetime
 from dotenv import load_dotenv
+from flask import Flask, jsonify, render_template, request, abort
+from mta_manager import MTA
 
 load_dotenv()
 
@@ -49,8 +49,10 @@ def get_mta_data():
     global subway_data
     station = request.json["station"]
     if station in subway_data:
+        mta_data = subway_data[station]
+        mta_data["LastUpdated"] = subway_data["LastUpdated"]
         return jsonify(
-            subway_data[station]
+            mta_data
         )
     else:
         abort(404)
@@ -71,16 +73,20 @@ def get_stop_id():
 if __name__ == "__main__":
     api_key = os.getenv('MTA_API_KEY', '')
 
-    mtaController = MTA(
-        api_key,
-        ["A", "C", "E", "1", "2", "3"],
-        ["127S", "127N", "A27N", "A27S"]
-    )
 
+    old_data = None
+    last_updated = datetime.now().strftime("%d/%m/%Y %H:%M:%S")
 
     async def mta_callback(routes):
-        global subway_data
+        global subway_data, old_data, last_updated
         subway_data = link_to_station(mtaController.convert_routes_to_station_first(routes))
+        subway_data["LastUpdated"] = last_updated
+        if old_data is None:
+            old_data = subway_data
+        data_diff = DeepDiff(old_data, subway_data, ignore_order=True)
+        if data_diff != {}:
+            old_data = subway_data
+            last_updated = datetime.now().strftime("%d/%m/%Y %H:%M:%S")
         app.logger.info(f"Updated Subway Data - {subway_data}")
 
 
@@ -93,15 +99,20 @@ if __name__ == "__main__":
             self.run()
 
 
+    mtaController = MTA(
+        api_key,
+        ["A", "C", "E", "1", "2", "3"],
+        ["127S", "127N", "A27N", "A27S"]
+    )
+    mtaController.add_callback(mta_callback)
+
     def start_mta():
-        mtaController.add_callback(mta_callback)
         while True:
             try:
                 mtaController.start_updates()
             except Exception as e:
                 app.logger.info(f"Exception found in update function - {e}")
 
-
     threadLock = threading.Lock()
     threads = [threadWrapper(start_mta)]
 
@@ -109,10 +120,8 @@ if __name__ == "__main__":
         t.start()
 
     debug = os.getenv("DEBUG", 'False').lower() in ('true', '1', 't')
+    app.run(host="localhost", debug= True,  port=5000)
 
-    app.run(host="localhost", debug= False,  port=5000)
-
-    # Wait for all threads to complete
     for t in threads:
         t.join()
     print("Exiting Main Thread")
diff --git a/templates/layouts/index.html b/templates/layouts/index.html
index 5192adc..8da0a50 100644
--- a/templates/layouts/index.html
+++ b/templates/layouts/index.html
@@ -17,9 +17,9 @@
             src="https://code.jquery.com/jquery-3.6.0.min.js"
             integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4="
             crossorigin="anonymous"></script>
-    <script src="/static/js/DataRequests.js"></script>
+    <script src="/static/js/MtaData.js"></script>
 
-    <title>Hello, world!</title>
+    <title>Pi MTA Display!</title>
 </head>
 <body class="dark">
 <nav class="navbar navbar-dark bg-dark py-2">
@@ -31,6 +31,9 @@
                 Pi MTA Display!
             </h1>
         </a>
+        <h3>
+            Last Updated:&nbsp;&nbsp;<span id="last_updated"></span>
+        </h3>
     </div>
 </nav>
 <div id="station_1">
@@ -205,8 +208,5 @@
         </div>
     </div>
 </div>
-<!-- Optional JavaScript -->
-<!-- jQuery first, then Popper.js, then Bootstrap JS -->
-
 </body>
 </html>
diff --git a/templates/static/js/DataRequests.js b/templates/static/js/MtaData.js
similarity index 95%
rename from templates/static/js/DataRequests.js
rename to templates/static/js/MtaData.js
index 0201ea8..dcba979 100644
--- a/templates/static/js/DataRequests.js
+++ b/templates/static/js/MtaData.js
@@ -28,6 +28,12 @@ $(document).ready(function () {
     function updateStation(station, data) {
         updateDirections(station, data, "North");
         updateDirections(station, data, "South");
+        updateTime(data["LastUpdated"])
+    }
+
+    function updateTime(lastUpdated){
+        console.log(lastUpdated)
+        $("#last_updated").text(lastUpdated)
     }
 
     function updateDirections(station, data, direction) {