From c4e3c9956bcfacfa1bc9895f486a0d5ca03dfb83 Mon Sep 17 00:00:00 2001
From: Gourav Kumar <gourav2711@gmail.com>
Date: Sun, 9 Jan 2022 08:25:50 +0530
Subject: [PATCH] First commit

---
 .gitignore  |   4 ++
 word_bot.py | 144 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 148 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 word_bot.py

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f2dba00
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+botenv
+logs
+.env
+logs/*
\ No newline at end of file
diff --git a/word_bot.py b/word_bot.py
new file mode 100644
index 0000000..c464ecb
--- /dev/null
+++ b/word_bot.py
@@ -0,0 +1,144 @@
+"""
+This is a telegram bot to fetch random word definition.
+Currently supported commands are:
+word - get a random word with definition
+"""
+
+import datetime
+import logging
+import os
+import psycopg2
+import requests
+import time
+
+from bs4 import BeautifulSoup
+from dotenv import load_dotenv
+from telegram import ParseMode, InlineKeyboardButton, InlineKeyboardMarkup
+from telegram.ext import Updater, CommandHandler, MessageHandler, Filters, CallbackQueryHandler
+
+load_dotenv()
+
+logging.basicConfig(filename='logs/word_bot.log', filemode='a', format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+                     level=logging.DEBUG)
+logger = logging.getLogger()
+
+
+def connect_db():
+    pgcon = psycopg2.connect(
+        database=os.getenv("DB_NAME"), 
+        user=os.getenv("DB_USER"), 
+        password=os.getenv("DB_PWD"), 
+        host=os.getenv("DB_HOST"), 
+        port=os.getenv("DB_PORT")
+    )
+
+    return pgcon
+
+
+def start(update, context):
+    start_text = "Welcome to Random Word Bot. To fetch a word, just send /word"
+    context.bot.send_message(chat_id=update.effective_chat.id, text=start_text)
+    
+
+def slugify(message):
+    message = message.replace(".", "\\.").replace("*", "\\*").replace("(", "\\(").replace(")", "\\)").replace("-", "\\-")
+    return message
+
+
+def word_def(update, context):
+    pgcon = connect_db()
+    if pgcon is None:
+        print("Db connection failed")
+
+    word_query = 'select * from gre_words order by random() limit 1'
+
+    ox_base_url = 'https://www.lexico.com/definition/{}?locale=en'
+    while True:
+        cur = pgcon.cursor()
+        cur.execute(word_query)
+        word_tup = cur.fetchall()
+        selected_word = word_tup[0][1].lower()
+        cur.close()
+        def_page = requests.get(ox_base_url.format(selected_word))
+        #print(selected_word, def_page.status_code)
+        if def_page.status_code != 200:
+            print(f'Word not found: {selected_word}')
+        else:
+            break
+
+    def_soup = BeautifulSoup(def_page.content, 'html.parser')
+
+    my_dict = {}
+    word = def_soup.find_all("span", {"class": "hw"})
+    my_dict['word'] = slugify(word[0].text.capitalize())
+
+    grammatical_type = def_soup.find_all("span", {"class": "pos"})
+    my_dict['type'] = u'\u2022 ' + grammatical_type[0].text.capitalize()
+
+    definition = def_soup.find_all("span", {"class": "ind"})
+
+    audio = def_soup.find_all("audio")
+    my_dict['audio'] = audio[0]['src'].replace('https://lex-audio.useremarkable.com/mp3/', '')
+    my_dict['definition'] = []
+    for i, j in enumerate(definition):
+        my_dict['definition'].append(j.text)
+    
+    msg = "*{word}*\n_{type}_\n{defn}".format(
+        word=my_dict['word'], type=slugify(my_dict['type']),
+        defn='\n'.join([slugify(i) for i in my_dict['definition']]))
+
+    button_callback_data = f"p~{my_dict['word']}~{my_dict['audio']}"
+    print(f"{msg=}\n{my_dict=}\n{button_callback_data=}")
+    
+    keyboard = [
+                       [
+                           InlineKeyboardButton("Pronunciation", callback_data=button_callback_data),
+                           InlineKeyboardButton("Synonyms", callback_data=button_callback_data)
+                       ]
+                   ]
+    print(keyboard)
+    reply_markup = InlineKeyboardMarkup(keyboard)
+    msg_response = context.bot.send_message(update.effective_chat.id, text=msg, parse_mode=ParseMode.MARKDOWN_V2, reply_markup=reply_markup)
+    print(type(msg_response))
+    
+
+def get_synonyms(word):
+    syn_url = 'https://www.lexico.com/synonyms/{}?locale=en'
+    response = requests.get(syn_url.format(word.lower()))
+    soup = BeautifulSoup(response.content, 'html.parser')
+    synonyms = soup.find_all(['strong', 'span'], {'class': 'syn'})
+    synonym_list = [f'\n*{slugify(i.string)}*' if i.name == 'strong' else i.string for i in synonyms]
+    return (''.join(synonym_list))
+
+
+def button(update, context):
+    query = update.callback_query
+    data = query.data
+    request_type = data.split('~')[0]
+    word = data.split('~')[1]
+    audio = f"https://lex-audio.useremarkable.com/mp3/{data.split('~')[2]}"
+    query.answer()
+    if request_type == 'p':
+        #query.edit_message_reply_markup(reply_markup=None)
+        context.bot.send_audio(update.effective_chat.id, audio=audio, reply_to_message_id=query.message.message_id)
+    elif request_type == 's':
+        #query.edit_message_reply_markup(reply_markup=None)
+        synonyms = get_synonyms(word)
+        print(synonyms)
+        context.bot.send_message(update.effective_chat.id, text=synonyms, reply_to_message_id=query.message.message_id, parse_mode=ParseMode.MARKDOWN_V2)
+    
+def main():
+    wordbot_token = os.getenv('WORDBOT_TOKEN')
+    updater = Updater(token=wordbot_token, use_context=True)
+    dispatcher = updater.dispatcher
+    dispatcher.add_handler(CommandHandler('start', start))
+    dispatcher.add_handler(CommandHandler('word', word_def))
+    dispatcher.add_handler(CallbackQueryHandler(button))
+    updater.start_polling()
+    updater.idle()
+    
+    
+if __name__ == '__main__':
+    print('word_bot is running. Press ctrl+c to stop.')
+    main()
+