Merge branch 'master' of https://github.com/seanprashad/leetcode-patterns

Author: Shashank5665

.github/workflows/github-pages.yml

@@ -0,0 +1,41 @@
+name: github-pages
+
+on:
+  push:
+    branches:
+      - master
+
+  workflow_run:
+    workflows: [run-cron]
+    types:
+      - completed
+
+  workflow_dispatch:
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - name: Install dependencies and build
+        uses: actions/setup-node@v3
+        with:
+          node-version: '14'
+      - run: npm ci
+      - run: npm run build
+
+      - name: Check GitHub Pages status
+        uses: crazy-max/ghaction-github-status@v3
+        with:
+          pages_threshold: major_outage
+
+      - name: Deploy to gh-pages branch
+        if: success()
+        uses: crazy-max/ghaction-github-pages@v3
+        with:
+          target_branch: gh-pages
+          build_dir: build
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/run-cron.yml

@@ -0,0 +1,27 @@
+name: run-cron
+
+on:
+  schedule:
+    - cron: '0 12 * * 0'
+
+  workflow_dispatch:
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+          architecture: 'x64'
+      - run: |
+          python -m pip install --upgrade pip
+          pip install requests python-leetcode
+      - run: |
+          python cron/update_questions.py
+        env:
+          LEETCODE_SESSION_TOKEN: ${{ secrets.LEETCODE_SESSION_TOKEN }}
+      - uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: Update questions via run-cron GitHub Action

.gitignore

@@ -22,3 +22,5 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+
+__pycache__

README.md

@@ -0,0 +1,132 @@
+import os
+import json
+import leetcode
+import leetcode.auth
+from datetime import datetime
+from leetcode.rest import ApiException
+
+
+def create_leetcode_api():
+    LEETCODE_SESSION_TOKEN = os.environ.get("LEETCODE_SESSION_TOKEN")
+    csrf_token = leetcode.auth.get_csrf_cookie(LEETCODE_SESSION_TOKEN)
+
+    configuration = leetcode.Configuration()
+
+    configuration.api_key["x-csrftoken"] = csrf_token
+    configuration.api_key["csrftoken"] = csrf_token
+    configuration.api_key["LEETCODE_SESSION"] = LEETCODE_SESSION_TOKEN
+    configuration.api_key["Referer"] = "https://leetcode.com"
+    configuration.debug = False
+
+    return leetcode.DefaultApi(leetcode.ApiClient(configuration))
+
+
+def get_question_metadata(api, title_slug):
+    graphql_request = leetcode.GraphqlQuery(
+        query='''query questionData($titleSlug: String!) {
+            question(titleSlug: $titleSlug) {
+                title
+                difficulty
+                companyTagStats
+                isPaidOnly
+            }
+        }
+        ''',
+        variables=leetcode.GraphqlQueryGetQuestionDetailVariables(
+            title_slug=title_slug)
+    )
+
+    try:
+        response = api.graphql_post(body=graphql_request)
+        return response
+    except ApiException as e:
+        print(
+            f'Exception occurred when contacting the Leetcode GraphQL API: ${e}')
+        exit()
+
+
+def construct_company_tag_list(company_tags_json, sections):
+    companies = []
+
+    for section in sections:
+        for company in company_tags_json[section]:
+            companies.append({
+                "name": company["name"],
+                "slug": company["slug"],
+                "frequency": company["timesEncountered"]
+            })
+
+    return sorted(companies, key=lambda d: d['frequency'], reverse=True)
+
+
+def update_question_metadata(question, response):
+    print(f'''🔄 Updating question metadata for {question["title"]}''')
+
+    question_title = response.data.question.title
+    question_difficulty = response.data.question.difficulty
+    question_company_tags = json.loads(
+        response.data.question.company_tag_stats)
+    question_is_premium = response.data.question.is_paid_only
+
+    # Retrieve companies who have asked this question for the following two
+    # company_tag_stat sections:
+    #   1. 0-6 months
+    #   2. 6 months to 1 year
+    companies = construct_company_tag_list(
+        question_company_tags, ["1", "2"])
+
+    question["title"] = question_title
+    question["difficulty"] = question_difficulty
+    question["companies"] = companies
+    question["premium"] = question_is_premium
+
+
+def read_questions(file_name):
+    print(f"💾 Loading {file_name}")
+
+    try:
+        with open(file_name, "r") as file:
+            questions = json.load(file)
+            print(f"✅ Finished loading {file_name}")
+            return questions
+    except Exception as e:
+        print(
+            f"❌ Exception occurred when reading {file_name}: {e}")
+        exit()
+
+
+def write_questions(file_name, questions):
+    print(f"💾 Updating {file_name}")
+
+    try:
+        with open(file_name, "w") as file:
+            questions["updated"] = str(datetime.now().isoformat())
+            json.dump(questions, file, indent=2)
+            print(f"✅ Finished updating {file_name}")
+    except Exception as e:
+        print(
+            f"❌ Exception occurred when writing {file_name}: {e}")
+        exit()
+
+
+def main(file_name):
+    api = create_leetcode_api()
+    questions = read_questions(file_name)
+
+    for question in questions["data"]:
+        title_slug = question["slug"]
+
+        response = get_question_metadata(api, title_slug)
+
+        update_question_metadata(question, response)
+
+    write_questions(file_name, questions)
+
+
+if __name__ == "__main__":
+    file_name = os.getcwd() + "/src/data/questions.json"
+    startTime = datetime.now()
+
+    main(file_name)
+
+    print(f"⏱️  Data updated in {datetime.now() - startTime} seconds")

cron/update_questions.py

@@ -17,7 +17,7 @@
     "react-ga": "^2.7.0",
     "react-icons": "^3.11.0",
     "react-markdown": "^4.3.1",
-    "react-scripts": "4.0.0",
+    "react-scripts": "^4.0.0",
     "react-scroll": "^1.8.0",
     "react-table": "^7.6.3",
     "react-test-renderer": "^16.14.0",