file-upload [ARNAIZ]

flask_file_upload_mvc/.gitignore

@@ -0,0 +1 @@
+.env

flask_file_upload_mvc/app.py

@@ -0,0 +1,28 @@
+import os
+import logging
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from config import Config
+from extensions import db
+
+app = Flask(__name__)
+app.config.from_object(Config)
+
+db.init_app(app)
+
+os.makedirs(app.config['LOG_FOLDER'], exist_ok=True)
+logging.basicConfig(
+    filename=f"{app.config['LOG_FOLDER']}/app.log",
+    level=logging.INFO,
+    format='%(asctime)s [%(levelname)s] %(message)s'
+)
+
+from controllers.file_controllers import file_bp
+app.register_blueprint(file_bp)
+
+with app.app_context():
+    db.create_all()
+
+
+if __name__ == '__main__':
+    app.run(debug=True)

flask_file_upload_mvc/config.py

@@ -0,0 +1,14 @@
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+class Config:
+    SQLALCHEMY_DATABASE_URI = (
+        f"mysql+pymysql://{os.getenv('DB_USER')}:{os.getenv('DB_PASSWORD')}@"
+        f"{os.getenv('DB_HOST')}:{os.getenv('DB_PORT')}/{os.getenv('DB_NAME')}"
+    )
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
+    UPLOAD_FOLDER = os.getenv('UPLOAD_FOLDER', 'uploads')
+    LOG_FOLDER = 'logs'
+    DEBUG = True

flask_file_upload_mvc/controllers/file_controllers.py

@@ -0,0 +1,62 @@
+from flask import Blueprint, request, jsonify, send_file, current_app
+from services.file_service import save_file, update_file, delete_file
+from models.uploaded_file import UploadedFile
+import uuid
+import logging
+
+file_bp = Blueprint('file_bp', __name__)
+
+@file_bp.route('/upload', methods=['POST'])
+def upload_file():
+    try:
+        if 'file' not in request.files:
+            return jsonify({'message': 'No file uploaded'}), 400
+
+        file = request.files['file']
+        folder = f"{current_app.config['UPLOAD_FOLDER']}/{uuid.uuid4().hex}"
+        upload_file = save_file(file, folder)
+
+        return jsonify({'message': 'Upload successfull', 'id': upload_file.id, 'path': upload_file.file_path}), 201
+
+    except Exception as e:
+        logging.error(f"Upload error: {e}")
+        return jsonify({'message': str(e)}), 400
+
+
+@file_bp.route('/file/<int:file_id>', methods=['GET'])
+def get_file(file_id):
+    try:
+        file = UploadedFile.query.get(file_id)
+        if not file:
+            return jsonify({'message': 'File not found'}), 404
+
+        return send_file(file.file_path, as_attachment=True)
+    except Exception as e:
+        logging.error(f"Get error: {e}")
+        return jsonify({'message': str(e)}), 400
+
+
+@file_bp.route('/file/<int:file_id>', methods=['PUT'])
+def update_existing_file(file_id):
+    try:
+        if 'file' not in request.files:
+            return jsonify({'message': 'No file provided'}), 400
+
+        file = request.files['file']
+        updated = update_file(file_id, file, current_app.config['UPLOAD_FOLDER'])
+
+        return jsonify({'message': 'File updated successfully', 'path': updated.file_path}), 200
+
+    except Exception as e:
+        logging.error(f"Update error: {e}")
+        return jsonify({"message": str(e)}), 400
+
+
+@file_bp.route('/file/<int:file_id>', methods=['DELETE'])
+def delete_existing_file(file_id):
+    try:
+        delete_file(file_id)
+        return jsonify({'message': "File deleted successfully"}), 200
+    except Exception as e:
+        logging.error(f"Delete error: {e}")
+        return jsonify({'message': str(e)}), 400

flask_file_upload_mvc/extensions.py

@@ -0,0 +1,4 @@
+# flask_file_upload_mvc/extensions.py
+from flask_sqlalchemy import SQLAlchemy
+
+db = SQLAlchemy()

flask_file_upload_mvc/logs/app.log

@@ -0,0 +1,55 @@
+2025-10-19 18:06:07,123 [INFO] WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
+ * Running on http://127.0.0.1:5000
+2025-10-19 18:06:07,124 [INFO] Press CTRL+C to quit
+2025-10-19 18:06:07,132 [INFO]  * Restarting with stat
+2025-10-19 18:06:07,639 [WARNING]  * Debugger is active!
+2025-10-19 18:06:07,644 [INFO]  * Debugger PIN: 888-738-973
+2025-10-19 18:07:56,688 [INFO] File saved: uploads/5aa65aafe1e34922ba95fc4deb14a631\ec41709c9895478299d4787de632235c_atsu-ghost-of-yotei-5120x2880-22239.jpg
+2025-10-19 18:07:56,693 [INFO] 127.0.0.1 - - [19/Oct/2025 18:07:56] "POST /upload HTTP/1.1" 201 -
+2025-10-19 18:08:12,420 [INFO] 127.0.0.1 - - [19/Oct/2025 18:08:12] "GET /file/1 HTTP/1.1" 200 -
+2025-10-19 18:09:09,243 [INFO] 127.0.0.1 - - [19/Oct/2025 18:09:09] "POST /upload HTTP/1.1" 400 -
+2025-10-19 18:10:10,627 [INFO] File saved: uploads/9eed0c129d094b9aa4d9692bc52b4e0e\e8bf7256c3a24b5f93677e6a220ee138_nternet-meme-Hitler-vs-Stalin.png
+2025-10-19 18:10:10,629 [INFO] 127.0.0.1 - - [19/Oct/2025 18:10:10] "POST /upload HTTP/1.1" 201 -
+2025-10-19 18:10:29,341 [INFO] 127.0.0.1 - - [19/Oct/2025 18:10:29] "GET /file/2 HTTP/1.1" 200 -
+2025-10-19 18:11:01,754 [INFO] File saved: uploads/724002efaa6d45bba7b09c7d5c3d85df\a35c071a2a8b48a8a7b484f66bb4f471_ao0dY93_460s.jpg
+2025-10-19 18:11:01,756 [INFO] 127.0.0.1 - - [19/Oct/2025 18:11:01] "POST /upload HTTP/1.1" 201 -
+2025-10-19 18:12:06,299 [INFO] File saved: uploads/75243f10e0e4460883a8638bce349982\f7bb11f564fb40c2a9b14005e5f781ae_images.jpg
+2025-10-19 18:12:06,300 [INFO] 127.0.0.1 - - [19/Oct/2025 18:12:06] "POST /upload HTTP/1.1" 201 -
+2025-10-19 18:12:18,064 [INFO] File saved: uploads/3ab79e69eb944ea9a28938d8e76fa8cb\30c3f0015a8e44928ad16401e5b62ab9_8lm9ekuwf8c71.jpg
+2025-10-19 18:12:18,065 [INFO] 127.0.0.1 - - [19/Oct/2025 18:12:18] "POST /upload HTTP/1.1" 201 -
+2025-10-19 18:12:23,526 [INFO] 127.0.0.1 - - [19/Oct/2025 18:12:23] "GET /file/4 HTTP/1.1" 200 -
+2025-10-19 18:28:13,677 [INFO] WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
+ * Running on http://127.0.0.1:5000
+2025-10-19 18:28:13,677 [INFO] Press CTRL+C to quit
+2025-10-19 18:28:13,678 [INFO]  * Restarting with stat
+2025-10-19 18:28:14,309 [WARNING]  * Debugger is active!
+2025-10-19 18:28:14,312 [INFO]  * Debugger PIN: 888-738-973
+2025-10-19 18:28:45,292 [INFO] File deleted from storage: uploads/5aa65aafe1e34922ba95fc4deb14a631\ec41709c9895478299d4787de632235c_atsu-ghost-of-yotei-5120x2880-22239.jpg
+2025-10-19 18:28:45,301 [INFO] Record deleted: ID=1
+2025-10-19 18:28:45,301 [INFO] 127.0.0.1 - - [19/Oct/2025 18:28:45] "DELETE /file/1 HTTP/1.1" 200 -
+2025-10-19 18:28:48,420 [INFO] File deleted from storage: uploads/9eed0c129d094b9aa4d9692bc52b4e0e\e8bf7256c3a24b5f93677e6a220ee138_nternet-meme-Hitler-vs-Stalin.png
+2025-10-19 18:28:48,428 [INFO] Record deleted: ID=2
+2025-10-19 18:28:48,428 [INFO] 127.0.0.1 - - [19/Oct/2025 18:28:48] "DELETE /file/2 HTTP/1.1" 200 -
+2025-10-19 18:28:51,280 [INFO] File deleted from storage: uploads/724002efaa6d45bba7b09c7d5c3d85df\a35c071a2a8b48a8a7b484f66bb4f471_ao0dY93_460s.jpg
+2025-10-19 18:28:51,287 [INFO] Record deleted: ID=3
+2025-10-19 18:28:51,288 [INFO] 127.0.0.1 - - [19/Oct/2025 18:28:51] "DELETE /file/3 HTTP/1.1" 200 -
+2025-10-19 18:28:53,341 [INFO] File deleted from storage: uploads/75243f10e0e4460883a8638bce349982\f7bb11f564fb40c2a9b14005e5f781ae_images.jpg
+2025-10-19 18:28:53,348 [INFO] Record deleted: ID=4
+2025-10-19 18:28:53,349 [INFO] 127.0.0.1 - - [19/Oct/2025 18:28:53] "DELETE /file/4 HTTP/1.1" 200 -
+2025-10-19 18:28:55,730 [INFO] File deleted from storage: uploads/3ab79e69eb944ea9a28938d8e76fa8cb\30c3f0015a8e44928ad16401e5b62ab9_8lm9ekuwf8c71.jpg
+2025-10-19 18:28:55,737 [INFO] Record deleted: ID=5
+2025-10-19 18:28:55,738 [INFO] 127.0.0.1 - - [19/Oct/2025 18:28:55] "DELETE /file/5 HTTP/1.1" 200 -
+2025-10-19 18:28:57,826 [ERROR] Delete error: File not found
+2025-10-19 18:28:57,827 [INFO] 127.0.0.1 - - [19/Oct/2025 18:28:57] "DELETE /file/6 HTTP/1.1" 400 -
+2025-10-19 18:29:00,971 [ERROR] Delete error: File not found
+2025-10-19 18:29:00,972 [INFO] 127.0.0.1 - - [19/Oct/2025 18:29:00] "DELETE /file/7 HTTP/1.1" 400 -
+2025-10-19 18:30:39,670 [INFO] File saved: uploads/32b74f9d95bc4d54aa675b28078818bf\a401aead323044169893c7724240297f_e.jpg
+2025-10-19 18:30:39,673 [INFO] 127.0.0.1 - - [19/Oct/2025 18:30:39] "POST /upload HTTP/1.1" 201 -
+2025-10-19 18:30:52,786 [INFO] File saved: uploads/ae2f237da33544b2b4d64597664c9da9\e2b8473a87bd40a18fc89808d1f2c438_e.jpg
+2025-10-19 18:30:52,788 [INFO] 127.0.0.1 - - [19/Oct/2025 18:30:52] "POST /upload HTTP/1.1" 201 -
+2025-10-19 18:31:56,520 [INFO] File saved: uploads/a7d1ce6af9ed4143927016f84b346ce4\50ae5bec1039417b9cd366e4d6075352_e.jpg
+2025-10-19 18:31:56,522 [INFO] 127.0.0.1 - - [19/Oct/2025 18:31:56] "POST /upload?file= HTTP/1.1" 201 -
+2025-10-19 18:32:04,368 [INFO] File saved: uploads/8bbce6f4ec0940d89b1b9276a8b9859d\9dbb5e27094945e1b7e4c7846a5bede3_w.jpg
+2025-10-19 18:32:04,370 [INFO] 127.0.0.1 - - [19/Oct/2025 18:32:04] "POST /upload?file= HTTP/1.1" 201 -
+2025-10-19 18:32:10,503 [INFO] File saved: uploads/a2211803c64244c49411bbeabb2dd686\88798004dec04ebb82f8165754bc9bf8_q.jpg
+2025-10-19 18:32:10,504 [INFO] 127.0.0.1 - - [19/Oct/2025 18:32:10] "POST /upload?file= HTTP/1.1" 201 -

flask_file_upload_mvc/models/uploaded_file.py

@@ -0,0 +1,6 @@
+from extensions import db
+
+class UploadedFile(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    filename = db.Column(db.String(255), nullable=False)
+    file_path = db.Column(db.String(255), nullable=False)

flask_file_upload_mvc/requirements.txt

@@ -0,0 +1,14 @@
+blinker==1.9.0
+click==8.3.0
+colorama==0.4.6
+Flask==3.1.2
+Flask-SQLAlchemy==3.1.1
+greenlet==3.2.4
+itsdangerous==2.2.0
+Jinja2==3.1.6
+MarkupSafe==3.0.3
+PyMySQL==1.1.2
+python-dotenv==1.1.1
+SQLAlchemy==2.0.44
+typing_extensions==4.15.0
+Werkzeug==3.1.3

flask_file_upload_mvc/services/file_service.py

@@ -0,0 +1,57 @@
+import os
+import uuid
+from werkzeug.utils import secure_filename
+from extensions import db
+from models.uploaded_file import UploadedFile
+import logging
+
+ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'pdf', 'txt'}
+
+def allowed_file(filename):
+    return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
+
+def save_file(file, base_folder):
+    if not allowed_file(file.filename):
+        raise ValueError('File type not allowed')
+
+    os.makedirs(base_folder, exist_ok=True)
+    filename = secure_filename(file.filename)
+    unique_name = f"{uuid.uuid4().hex}_{filename}"
+    save_path = os.path.join(base_folder, unique_name)
+    file.save(save_path)
+
+    new_file = UploadedFile(filename=unique_name, file_path=save_path)
+    db.session.add(new_file)
+    db.session.commit()
+    logging.info(f"File saved: {save_path}")
+    return new_file
+
+def update_file(file_id, new_file, base_folder):
+    existing = UploadedFile.query.get(file_id)
+    if not existing:
+        raise ValueError('File not found')
+
+    if os.path.exists(existing.file_path):
+        os.remove(existing.file_path)
+
+    new_record = save_file(new_file, base_folder)
+    existing.filename = new_record.filename
+    existing.file_path = new_record.file_path
+    db.session.commit()
+
+    logging.info(f"File updated: ID={file_id}")
+    return existing
+
+
+def delete_file(file_id):
+    file_record = UploadedFile.query.get(file_id)
+    if not file_record:
+        raise ValueError('File not found')
+
+    if os.path.exists(file_record.file_path):
+        os.remove(file_record.file_path)
+        logging.info(f"File deleted from storage: {file_record.file_path}")
+
+    db.session.delete(file_record)
+    db.session.commit()
+    logging.info(f"Record deleted: ID={file_id}")