commit 27f6dc057dccca92f5c40366e6b0bc08ddcdda12
Author: Alvie Rahman <alvierahman90@gmail.com>
Date:   Sun Jun 24 17:22:51 2018 +0100

    Initial commit.

diff --git a/bot.py b/bot.py
new file mode 100755
index 0000000..016280c
--- /dev/null
+++ b/bot.py
@@ -0,0 +1,139 @@
+#!/usr/bin/env python3
+
+import telepot
+import json
+import time
+from Task import Task
+from telepot.loop import MessageLoop
+
+
+with open('config.json') as file:
+    config = json.loads(file.read())
+
+bot = telepot.Bot(config['token'])
+
+
+def on_message(msg):
+    content_type, chat_type, chat_id = telepot.glance(msg)
+    print(content_type, chat_type, chat_id)
+
+    if content_type != 'text':
+        bot.sendMessage(chat_id, "Not a text command")
+        return
+    text = msg['text']
+
+    command = text.split(' ')[0]
+    arguments = text.split(' ')[1:]
+
+    if command in ['a', '/a']:
+        add_task(Task(" ".join(arguments)), chat_id)
+    elif command in ['rm', '/rm']:
+        rm_tasks(arguments, chat_id)
+    elif command in ['ls', '/ls']:
+        ls_tasks(arguments, chat_id)
+    elif command in ['d', '/d']:
+        do_tasks(arguments, chat_id)
+    elif command in ['u', '/u']:
+        undo_tasks(arguments, chat_id)
+
+
+def add_task(task, chat_id):
+    tasks = get_tasks(chat_id)
+    tasks.append(task)
+    set_tasks(tasks, chat_id)
+
+
+def rm_task(task, chat_id):
+    tasks = get_tasks(chat_id)
+    tasks.remove(task)
+    set_tasks(tasks)
+
+
+def rm_tasks(tasks, chat_id):
+    for i in tasks:
+        rm_task(i, chat_id)
+
+
+def get_tasks(chat_id):
+    with open(config['tasks_file']) as file:
+        tasks_dict = json.loads(file.read())
+
+    if chat_id is None:
+        return tasks_dict
+
+    chat_id = str(chat_id)
+
+    if chat_id not in tasks_dict:
+        tasks_dict[chat_id] = ""
+
+    tasks = []
+    for i in tasks_dict[chat_id].split('\n'):
+        tasks.append(Task(i))
+
+    return tasks
+
+
+def get_task(task_id, chat_id):
+    return get_tasks(chat_id)[task_id]
+
+
+def set_tasks(tasks, chat_id):
+    task_dict = get_tasks(None)
+    texts = []
+    for i in tasks:
+        texts.append(i.text)
+
+    plaintext = "\n".join(texts)
+
+    task_dict[chat_id] = plaintext
+
+    with open(config['tasks_file'], 'w+') as file:
+        file.write(json.dumps(task_dict))
+
+
+def set_task(task_id, task, chat_id):
+    tasks = get_tasks(chat_id)
+    tasks[task_id] = task
+    set_tasks(tasks, chat_id)
+
+
+def ls_tasks(arguments, chat_id):
+    tasks = get_tasks(chat_id)
+    counter = 1
+    for i in range(len(tasks)):
+        tasks[i] = (counter, tasks[i])
+        counter += 1
+
+    tasks = sorted(tasks, key=lambda tup: tup[1].text)
+
+    text = "Tasks:\n"
+    for i in tasks:
+        counter += 1
+        if i[1].done and "show-hidden" not in arguments:
+            continue
+        if i[1].done and "show-only-hidden" in arguments:
+            continue
+
+        text += str(i[0]) + " " + i[1].text + "\n"
+
+    bot.sendMessage(chat_id, text)
+
+
+def do_tasks(task_ids, chat_id):
+    for i in task_ids:
+        task = get_task(int(i), chat_id)
+        task.do()
+        set_task(int(i), task, chat_id)
+
+
+def undo_tasks(task_ids, chat_id):
+    for i in task_ids:
+        task = get_task(int(i), chat_id)
+        task.undo()
+        set_task(int(i), task, chat_id)
+
+
+MessageLoop(bot, on_message).run_as_thread()
+
+while True:
+    time.sleep(10)