Update and rename echobot.py to NUSConnectsBot.py

part1/NUSConnectsBot.py

@@ -0,0 +1,95 @@
+import json
+import requests
+import time
+import urllib
+import io
+
+TOKEN = "1706103491:AAGVdKBTjb7-t2sGNvBhOJYOIYrvF0p049w"
+URL = "https://api.telegram.org/bot{}/".format(TOKEN)
+
+
+def get_url(url):
+    response = requests.get(url)
+    content = response.content.decode("utf8")
+    return content
+
+def get_json_from_url(url):
+    content = get_url(url)
+    js = json.loads(content)
+    return js
+
+
+def get_updates(offset=None):
+    url = URL + "getUpdates"
+    if offset:
+        url += "?offset={}".format(offset)
+    js = get_json_from_url(url)
+    return js
+
+
+def get_last_update_id(updates):
+    update_ids = []
+    for update in updates["result"]:
+        update_ids.append(int(update["update_id"]))
+    return max(update_ids)
+
+
+def echo_all(updates):
+    for update in updates["result"]:
+        change = False
+        text = update["message"]["text"]
+        chat = update["message"]["chat"]["id"]
+        if text=="FASS":
+            text = "FASS has several wheelchair ramps and elevator access to all floors. \nIf you wish to provide additional information about this location type /feedback"
+            send_message(text, chat)
+            change = True
+            send_message("https://nus.edu.sg/osa/docs/default-source/osa-doc/services/disability-support/fass-schematic-map.pdf", chat)
+        if text=="Utown":
+            text = "Utown has wheelchair access for all buildings. \nIf you wish to provide additional information about this location type /feedback"
+            send_message(text, chat)
+            change = True
+            send_message("https://lh3.googleusercontent.com/proxy/ZM6WKTRN8D0GglGHM3jIFbRMtFT2FzwUDCDu61hwupmJOJB3yzNLZQBR0C54i7PrWkWXlTSFYnlDXXCLPRXQwz6rPCEDSZMkQ3tyWSq2fdtNNGnn7zzcxILj--KSS44", chat)
+        if text=="/buddy" :
+            text="Welcome to the the NUS Connects buddy system. Please enter the location to which you would like to travel. Your options are \nFASS \nUtown"
+            send_message(text, chat)
+            text="Unfortunately no buddies are available right now!"
+            send_message(text, chat)
+        if text=="/feedback" :
+            text = "Thank you for choosing to provide feedback! User generated information is the key to ensuring that our bot provides more accurate information than a simple web search!"
+            send_message(text, chat)
+            text = "###This part of the system has not been implemented yet###"
+            send_message(text, chat)
+        if not (change):
+            text ="""Hi! Welcome to NUS Connect Bot! \nTo use the buddy system and request for a buddy enter:\n/buddy To get collated information about NUS locations, simply type in the name. Your options are:
+Utown
+FASS
+Thanks for using our bot! We hope it has been useful to you!"""
+            send_message(text, chat)
+
+
+def get_last_chat_id_and_text(updates):
+    num_updates = len(updates["result"])
+    last_update = num_updates - 1
+    text = updates["result"][last_update]["message"]["text"]
+    chat_id = updates["result"][last_update]["message"]["chat"]["id"]
+    return (text, chat_id)
+
+
+def send_message(text, chat_id):
+    text = urllib.parse.quote_plus(text)
+    url = URL + "sendMessage?text={}&chat_id={}".format(text, chat_id)
+    get_url(url)
+
+
+def main():
+    last_update_id = None
+    while True:
+        updates = get_updates(last_update_id)
+        if len(updates["result"]) > 0:
+            last_update_id = get_last_update_id(updates) + 1
+            echo_all(updates)
+        time.sleep(0.5)
+
+
+if __name__ == '__main__':
+    main()