added

.gitignore

@@ -0,0 +1,214 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[codz]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py.cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# UV
+#   Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#uv.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+#poetry.toml
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#   pdm recommends including project-wide configuration in pdm.toml, but excluding .pdm-python.
+#   https://pdm-project.org/en/latest/usage/project/#working-with-version-control
+#pdm.lock
+#pdm.toml
+.pdm-python
+.pdm-build/
+
+# pixi
+#   Similar to Pipfile.lock, it is generally recommended to include pixi.lock in version control.
+#pixi.lock
+#   Pixi creates a virtual environment in the .pixi directory, just like venv module creates one
+#   in the .venv directory. It is recommended not to include this directory in version control.
+.pixi
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.envrc
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
+# Abstra
+# Abstra is an AI-powered process automation framework.
+# Ignore directories containing user credentials, local state, and settings.
+# Learn more at https://abstra.io/docs
+.abstra/
+
+# Visual Studio Code
+#  Visual Studio Code specific template is maintained in a separate VisualStudioCode.gitignore 
+#  that can be found at https://github.com/github/gitignore/blob/main/Global/VisualStudioCode.gitignore
+#  and can be added to the global gitignore or merged into this file. However, if you prefer, 
+#  you could uncomment the following to ignore the entire vscode folder
+# .vscode/
+
+# Ruff stuff:
+.ruff_cache/
+
+# PyPI configuration file
+.pypirc
+
+# Cursor
+#  Cursor is an AI-powered code editor. `.cursorignore` specifies files/directories to
+#  exclude from AI features like autocomplete and code analysis. Recommended for sensitive data
+#  refer to https://docs.cursor.com/context/ignore-files
+.cursorignore
+.cursorindexingignore
+
+# Marimo
+marimo/_static/
+marimo/_lsp/
+__marimo__/
+
+# Streamlit
+.streamlit/secrets.toml
+
+instance/
+src/
+instance/app_data.db

app/app.py

@@ -0,0 +1,228 @@
+
+import os
+from flask import Flask, request, jsonify, session, send_from_directory
+from flask_sqlalchemy import SQLAlchemy
+import os
+import requests
+
+app = Flask(__name__, static_folder='../frontend/build', static_url_path='/')
+app.config['SECRET_KEY'] = 'your_secret_key'
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///manga.db'
+db = SQLAlchemy(app)
+
+
+
+# --- Database Models ---
+
+class User(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(db.String(80), unique=True, nullable=False)
+    password = db.Column(db.String(120), nullable=False)
+
+class Manga(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    title = db.Column(db.String(120), nullable=False)
+    api_id = db.Column(db.String(120), unique=True, nullable=False)
+    image_url = db.Column(db.String(255), nullable=True)
+
+class UserManga(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
+    manga_id = db.Column(db.Integer, db.ForeignKey('manga.id'), nullable=False)
+    volume_number = db.Column(db.Integer, nullable=True) # New field for volume number
+
+class Friend(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
+    friend_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
+
+# --- API Routes ---
+
+@app.route('/api/signup', methods=['POST'])
+def signup():
+    data = request.get_json()
+    username = data.get('username')
+    password = data.get('password')
+
+    if not username or not password:
+        return jsonify({'message': 'Username and password are required'}), 400
+
+    if User.query.filter_by(username=username).first():
+        return jsonify({'message': 'Username already exists'}), 409
+
+    new_user = User(username=username, password=password) # In a real app, hash passwords!
+    db.session.add(new_user)
+    db.session.commit()
+    return jsonify({'message': 'User created successfully'}), 201
+
+@app.route('/api/login', methods=['POST'])
+def login():
+    data = request.get_json()
+    username = data.get('username')
+    password = data.get('password')
+
+    user = User.query.filter_by(username=username, password=password).first() # In a real app, check hashed password
+    if user:
+        session['user_id'] = user.id
+        return jsonify({'message': 'Login successful', 'user_id': user.id}), 200
+    return jsonify({'message': 'Invalid credentials'}), 401
+
+@app.route('/api/logout')
+def logout():
+    session.pop('user_id', None)
+    return jsonify({'message': 'Logged out successfully'}), 200
+
+@app.route('/api/dashboard')
+def dashboard():
+    if 'user_id' not in session:
+        return jsonify({'message': 'Unauthorized'}), 401
+
+    user = User.query.get(session['user_id'])
+    if not user:
+        return jsonify({'message': 'User not found'}), 404
+
+    user_mangas = UserManga.query.filter_by(user_id=user.id).all()
+    grouped_user_mangas = {}
+    for um in user_mangas:
+        manga = Manga.query.get(um.manga_id)
+        if manga:
+            if manga.title not in grouped_user_mangas:
+                grouped_user_mangas[manga.title] = {
+                    'manga_details': {
+                        'id': manga.id,
+                        'title': manga.title,
+                        'api_id': manga.api_id,
+                        'image_url': manga.image_url
+                    },
+                    'volumes': []
+                }
+            grouped_user_mangas[manga.title]['volumes'].append(um.volume_number)
+            grouped_user_mangas[manga.title]['volumes'].sort()
+    
+    friends = Friend.query.filter_by(user_id=user.id).all()
+    friend_users = []
+    for f in friends:
+        friend_user = User.query.get(f.friend_id)
+        if friend_user:
+            friend_users.append({'id': friend_user.id, 'username': friend_user.username})
+
+    friend_mangas_data = {}
+    for friend_user_data in friend_users:
+        friend_id = friend_user_data['id']
+        friend_username = friend_user_data['username']
+        friend_user_mangas = UserManga.query.filter_by(user_id=friend_id).all()
+        grouped_friend_mangas = {}
+        for fum in friend_user_mangas:
+            fmanga = Manga.query.get(fum.manga_id)
+            if fmanga:
+                if fmanga.title not in grouped_friend_mangas:
+                    grouped_friend_mangas[fmanga.title] = {
+                        'manga_details': {
+                            'id': fmanga.id,
+                            'title': fmanga.title,
+                            'api_id': fmanga.api_id,
+                            'image_url': fmanga.image_url
+                        },
+                        'volumes': []
+                    }
+                grouped_friend_mangas[fmanga.title]['volumes'].append(fum.volume_number)
+                grouped_friend_mangas[fmanga.title]['volumes'].sort()
+        friend_mangas_data[friend_username] = grouped_friend_mangas
+
+    return jsonify({
+        'user': {'id': user.id, 'username': user.username},
+        'mangas': grouped_user_mangas,
+        'friends': friend_users,
+        'friend_mangas': friend_mangas_data
+    }), 200
+
+@app.route('/api/search', methods=['POST'])
+def search():
+    if 'user_id' not in session:
+        return jsonify({'message': 'Unauthorized'}), 401
+    
+    data = request.get_json()
+    manga_title = data.get('query')
+    if not manga_title:
+        return jsonify({'message': 'Query parameter is required'}), 400
+
+    response = requests.get(f'https://api.jikan.moe/v4/manga?q={manga_title}')
+    manga_data = response.json()
+    return jsonify(manga_data), 200
+
+@app.route('/api/add_manga', methods=['POST'])
+def add_manga():
+    if 'user_id' not in session:
+        return jsonify({'message': 'Unauthorized'}), 401
+    
+    data = request.get_json()
+    manga_title = data.get('manga_title')
+    manga_api_id = data.get('manga_api_id')
+    image_url = data.get('image_url')
+    volume_number = data.get('volume_number')
+
+    if not manga_title or not manga_api_id:
+        return jsonify({'message': 'Manga title and API ID are required'}), 400
+
+    manga = Manga.query.filter_by(api_id=manga_api_id).first()
+    if not manga:
+        manga = Manga(title=manga_title, api_id=manga_api_id, image_url=image_url)
+        db.session.add(manga)
+        db.session.commit()
+    
+    user_manga = UserManga.query.filter_by(
+        user_id=session['user_id'], 
+        manga_id=manga.id, 
+        volume_number=volume_number
+    ).first()
+
+    if not user_manga:
+        user_manga = UserManga(user_id=session['user_id'], manga_id=manga.id, volume_number=volume_number)
+        db.session.add(user_manga)
+        db.session.commit()
+    return jsonify({'message': 'Manga added successfully'}), 201
+
+@app.route('/api/search_user', methods=['POST'])
+def search_user():
+    if 'user_id' not in session:
+        return jsonify({'message': 'Unauthorized'}), 401
+    
+    data = request.get_json()
+    username = data.get('query')
+    if not username:
+        return jsonify({'message': 'Query parameter is required'}), 400
+
+    users = User.query.filter(User.username.like(f'%{username}%')).all()
+    users_data = [{'id': user.id, 'username': user.username} for user in users]
+    return jsonify({'users': users_data}), 200
+
+@app.route('/api/add_friend', methods=['POST'])
+def add_friend():
+    if 'user_id' not in session:
+        return jsonify({'message': 'Unauthorized'}), 401
+    
+    data = request.get_json()
+    friend_id = data.get('friend_id')
+
+    if not friend_id:
+        return jsonify({'message': 'Friend ID is required'}), 400
+
+    friendship = Friend.query.filter_by(user_id=session['user_id'], friend_id=friend_id).first()
+    if not friendship:
+        new_friend = Friend(user_id=session['user_id'], friend_id=friend_id)
+        db.session.add(new_friend)
+        db.session.commit()
+    return jsonify({'message': 'Friend added successfully'}), 201
+
+@app.route('/')
+def serve_index():
+    return send_from_directory(app.static_folder, 'index.html')
+
+@app.errorhandler(404)
+def not_found(e):
+    return send_from_directory(app.static_folder, 'index.html')
+
+if __name__ == '__main__':
+    with app.app_context():
+        db.create_all()
+    app.run(debug=True)

app/static/style.css

@@ -0,0 +1,22 @@
+
+body {
+    font-family: sans-serif;
+    margin: 20px;
+}
+
+.manga-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+    gap: 20px;
+}
+
+.manga-card {
+    border: 1px solid #ccc;
+    padding: 10px;
+    text-align: center;
+}
+
+.manga-card img {
+    max-width: 100%;
+    height: auto;
+}

frontend/.gitignore

@@ -0,0 +1,23 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

frontend/package.json

@@ -0,0 +1,42 @@
+{
+  "name": "frontend",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@testing-library/dom": "^10.4.0",
+    "@testing-library/jest-dom": "^6.6.3",
+    "@testing-library/react": "^16.3.0",
+    "@testing-library/user-event": "^13.5.0",
+    "bootstrap": "^5.3.7",
+    "react": "^19.1.0",
+    "react-bootstrap": "^2.10.10",
+    "react-dom": "^19.1.0",
+    "react-router-dom": "^7.6.3",
+    "react-scripts": "5.0.1",
+    "web-vitals": "^2.1.4"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}

frontend/public/index.html

@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+  </body>
+</html>

frontend/public/manifest.json

@@ -0,0 +1,25 @@
+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}

frontend/public/robots.txt

@@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:

requirements.txt

@@ -0,0 +1,30 @@
+altgraph @ file:///AppleInternal/Library/BuildRoots/39d9dc1a-2111-11f0-be06-226177e5bb69/Library/Caches/com.apple.xbs/Sources/python3/altgraph-0.17.2-py2.py3-none-any.whl
+blinker==1.7.0
+certifi==2025.7.9
+charset-normalizer==3.4.2
+click==8.1.7
+Flask==3.0.2
+Flask-SQLAlchemy==3.1.1
+future @ file:///AppleInternal/Library/BuildRoots/39d9dc1a-2111-11f0-be06-226177e5bb69/Library/Caches/com.apple.xbs/Sources/python3/future-0.18.2-py3-none-any.whl
+greenlet==3.0.3
+gunicorn==21.2.0
+idna==3.10
+importlib_metadata==8.7.0
+itsdangerous==2.1.2
+Jinja2==3.1.3
+macholib @ file:///AppleInternal/Library/BuildRoots/39d9dc1a-2111-11f0-be06-226177e5bb69/Library/Caches/com.apple.xbs/Sources/python3/macholib-1.15.2-py2.py3-none-any.whl
+MarkupSafe==2.1.5
+numpy==1.26.4
+packaging==23.2
+pandas==2.2.1
+python-dateutil==2.9.0.post0
+pytz==2024.1
+requests==2.32.4
+schedule==1.2.2
+six==1.16.0
+SQLAlchemy==2.0.28
+typing_extensions==4.10.0
+tzdata==2024.1
+urllib3==2.5.0
+Werkzeug==3.0.1
+zipp==3.23.0