Add thread lock

src/voter/data.json

@@ -4,7 +4,7 @@
     "Don_Jones": 0,
     "Corey_Schafer": 0,
     "Brian_Will": 0,
-    "LearningLad": -7,
+    "LearningLad": 0,
     "David_Bombal": 0,
     "Ben_Eater": 0,
     "The_Coding_Train": 0,

src/voter/main.py

@@ -1,4 +1,5 @@
 import json
+import threading
 from flask import Flask, jsonify, make_response, request
 from flask_limiter import Limiter
 from flask_limiter.util import get_remote_address
@@ -8,12 +9,14 @@ app = Flask(__name__)
 limiter = Limiter(
     app,
     key_func=get_remote_address,
-    default_limits=["1200 per day", "50 per hour"]
+    default_limits=["720 per day", "30 per hour"]
 )
 
 with open("data.json", "r", encoding="utf8") as read_data:
     channels = json.load(read_data)
 
+lock = threading.Lock()
+
 
 @app.route("/")
 def main():
@@ -49,8 +52,9 @@ def get_channel(channel):
                 return "Vote word not recognised."
 
             # Write to database file.
-            with open("data.json", "w", encoding="utf8") as write_data:
-                json.dump(channels, write_data, indent=4)
+            with lock:
+                with open("data.json", "w", encoding="utf8") as write_data:
+                    json.dump(channels, write_data, indent=4)
 
             return f"You {vote}d successfully the channel {channel}."
         else:

src/voter/readme.md

@@ -32,4 +32,4 @@ video quality, coverage of the topics it explains, among others), but, of course
 so I think being able to receive opinions from all users is a good way to filter and have truly
 awesome content based on the community's opinion.
 
-<img src="http://127.0.0.1:5000/channels/Tech_With_Tim/image.svg">
+<img src="https://awesome-youtubers.herokuapp.com//channels/3Blue1Brown/image.svg">