Fix: improve web blocker platform compatibility

Website Blocker/read.me → Website Blocker/README.md

@@ -1,12 +1,17 @@
+# Description
 This is real world program which blocks certain distracting website like Facebook,
 Youtube etc during your work hours. About the program : What we are going to in this 
 program is that we will pass the link of websites which you think is distracting and the
 time that you are working on your computer and program will block those website.
-Program Architecture: 
- for mac:-
-1. Every system have host file whether it is Mac, Windows or Linux.
-Host file in Mac and Linux : "/etc/hosts"\
 
+>Program Architecture: 
+Every system have host file whether it is Mac, Windows or Linux.
+ 1. for mac: Host file in Mac and Linux : "/etc/hosts"\
+2. for windows:-
+C:\Windows\System32\drivers\etc\hosts
+
+## Usage
+Insert working hours, and blacklisted websties in the script. The run:
+
+> python web_blocker.py
 
-for windows:-
-C:\Windows\System32\drivers\etc

Website Blocker/cross-platform/web_blocker.py

@@ -0,0 +1,45 @@
+import time
+import platform
+from datetime import datetime as dt
+
+# Detect OS and set hosts path
+if platform.system() == "Windows":
+    hosts_path = r"C:\Windows\System32\drivers\etc\hosts"
+else:
+    hosts_path = "/etc/hosts"
+
+redirect = "127.0.0.1"
+
+website_list = [
+    "www.facebook.com", "facebook.com"]
+
+START_HOUR = 8
+END_HOUR = 16
+
+while True:
+    now = dt.now()
+    start = dt(now.year, now.month, now.day, START_HOUR)
+    end = dt(now.year, now.month, now.day, END_HOUR)
+
+    if start < now < end:
+        print("Working hours...")
+
+        with open(hosts_path, "r+") as file:
+            content = file.read()
+
+            for website in website_list:
+                if website not in content:
+                    file.write(f"{redirect} {website}\n")
+
+    else:
+        with open(hosts_path, "r+") as file:
+            content = file.readlines()
+            file.seek(0)
+
+            for line in content:
+                if not any(website in line for website in website_list):
+                    file.write(line)
+
+            file.truncate()
+
+    time.sleep(3600)  # Check every hour