Parsing Leetcode submission links

.github/workflows/ldb-ci.yml

@@ -0,0 +1,30 @@
+name: Leetcode Daily Bot CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "main"
+
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        # This is the version of the action for setting up Python, not the Python version.
+        uses: actions/setup-python@v5
+        with:
+          # Semantic version range syntax or exact version of a Python version
+          python-version: '3.12'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+      - name: Test
+        run: |
+          pip install pytest
+          pytest tests

pytest.ini

@@ -0,0 +1,2 @@
+[pytest]
+pythonpath = .

requirements.txt

@@ -3,3 +3,5 @@ fastapi
 jinja2
 pymongo
 python-dotenv
+requests
+pydantic

src/__init__.py

@@ -1 +0,0 @@
-__init__.py

src/bot.py

@@ -1,7 +1,7 @@
 from datetime import datetime
 from pydantic import BaseModel
 import requests
-from src.common import submission_link
+from src.common import submission_link, extract_submission_id
 
 
 LEETCODE_DAILY_GROUP_ID = '-1002270137956'
@@ -44,23 +44,24 @@ def process_message(bot, db, data):
     name = f'{first_name} ({username})'
 
     if text.startswith('/start') or text.startswith('/help'):
-      bot.send_message(chat_id, "Please, send me a submission id for today's daily challenge")
-    elif text.isnumeric():
-      submission_id = text
+      bot.send_message(chat_id, "Please, send me a submission id or a link to a submission for today's daily challenge")
+      return
+
+    submission_id = extract_submission_id(text.strip())
 
-    if submission_id.isnumeric():
+    if submission_id:
       print(f"Will update submissions for {username} on {today}: {text}")
       result = db.submissions.update_one(
         {'username': name, 'date': today, 'chat_id': chat_id},
-        {'$set': {'text': text}},
+        {'$set': {'text': submission_id}},
         True,
       )
 
-      print(username, today, text, result)
-      bot.send_message(chat_id, f"Updated submission for {today}: {submission_link(text)}")
-      bot.send_message(LEETCODE_DAILY_GROUP_ID, f"New submission from {name}: {submission_link(text)}")
+      print(username, today, submission_id, result)
+      bot.send_message(chat_id, f"Updated submission for {today}: {submission_link(submission_id)}")
+      bot.send_message(LEETCODE_DAILY_GROUP_ID, f"New submission from {name}: {submission_link(submission_id)}")
     else:
-      bot.send_message(chat_id, "Incorrect input! please send me a submission id")
+      bot.send_message(chat_id, "Incorrect input! Please, send me a submission id or a link to a submission")
       raise ValueError(f"Incorrect link {data}")
 
   except Exception as e:

src/common.py

@@ -1,2 +1,22 @@
+import re
+
+
 def submission_link(submission_id):
   return f'https://leetcode.com/submissions/detail/{submission_id}'
+
+
+def extract_submission_id(text: str) -> str:
+  if text.isnumeric():
+    return text
+
+  for link_pattern in (
+          r'https://leetcode.com/submissions/detail/\d+/?$',
+          r'https://leetcode.com/problems/[a-zA-Z0-9-]+/submissions/\d+/?$'
+  ):
+    p = re.compile(link_pattern)
+    if match := p.search(text):
+      link = match.group()
+      # we do know that an id exists here, as each pattern has \d+ qualifier
+      return re.findall(r'\d+', link)[-1]
+
+  return ''

tests/test_utils.py

@@ -0,0 +1,31 @@
+from src.common import submission_link, extract_submission_id
+
+
+def test_submission_link():
+    assert submission_link(123) == 'https://leetcode.com/submissions/detail/123'
+
+
+def test_extract_submission_id():
+    assert extract_submission_id('1242352') == '1242352'
+    assert extract_submission_id('1') == '1'
+
+    assert extract_submission_id('https://leetcode.com/submissions/detail/123') == '123'
+    assert extract_submission_id('https://leetcode.com/submissions/detail/123/') == '123'
+    assert extract_submission_id('https://leetcode.com/submissions/detail/1') == '1'
+
+    assert extract_submission_id('https://leetcode.com/problems/two-sum/submissions/123') == '123'
+    assert extract_submission_id('https://leetcode.com/problems/two-sum/submissions/123/') == '123'
+    assert extract_submission_id('https://leetcode.com/problems/two-sum/submissions/1/') == '1'
+    assert extract_submission_id('https://leetcode.com/problems/some-longer-problem-here/submissions/123') == '123'
+    assert extract_submission_id('https://leetcode.com/problems/problem-with-69-numbers/submissions/123/') == '123'
+    assert extract_submission_id('https://leetcode.com/problems/ii-112-645-32-sdfwsd-435-sad/submissions/123') == '123'
+    assert extract_submission_id('https://leetcode.com/problems/a/submissions/123') == '123'
+
+    assert not extract_submission_id('')
+    assert not extract_submission_id('awewaefaw')
+    assert not extract_submission_id('  ')
+    assert not extract_submission_id('https://leetcode.com/submissions/detail/')
+    assert not extract_submission_id('https://leetcode.com/problems/two-sum/submissions/')
+    assert not extract_submission_id('https://leetcode.com/problems/54323423')
+    assert not extract_submission_id('https://leetcode.com/problems/submissions/123')
+    assert not extract_submission_id('https://leetcode.com/problems//submissions/123')