Files
beamer/server.py

786 lines
29 KiB
Python

from flask import Flask, send_from_directory, request, render_template, redirect, url_for, flash, jsonify
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required, current_user
from werkzeug.security import generate_password_hash, check_password_hash
from werkzeug.utils import secure_filename
from datetime import datetime, date, time
import os
import uuid
app = Flask(__name__)
app.config['SECRET_KEY'] = 'your-secret-key-here'
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///beamer.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.config['UPLOAD_FOLDER'] = 'uploads'
app.config['MAX_CONTENT_LENGTH'] = 500 * 1024 * 1024 # 500MB max file size
# Ensure upload directory exists
os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)
db = SQLAlchemy(app)
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'
# Database Models
class User(UserMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(80), unique=True, nullable=False)
email = db.Column(db.String(120), unique=True, nullable=False)
password_hash = db.Column(db.String(255), nullable=False)
role = db.Column(db.String(20), default='user') # 'admin' or 'user'
def set_password(self, password):
self.password_hash = generate_password_hash(password)
def check_password(self, password):
return check_password_hash(self.password_hash, password)
class StreamingChannel(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), nullable=False)
description = db.Column(db.String(500))
is_default = db.Column(db.Boolean, default=False)
is_active = db.Column(db.Boolean, default=True)
created_by = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
created_date = db.Column(db.DateTime, default=datetime.utcnow)
# Relationships
creator = db.relationship('User', backref='created_channels')
content = db.relationship('ChannelContent', back_populates='channel', cascade='all, delete-orphan')
players = db.relationship('Player', back_populates='channel')
class ChannelContent(db.Model):
id = db.Column(db.Integer, primary_key=True)
channel_id = db.Column(db.Integer, db.ForeignKey('streaming_channel.id'), nullable=False)
media_file_id = db.Column(db.Integer, db.ForeignKey('media_file.id'), nullable=False)
order_index = db.Column(db.Integer, default=0)
display_duration = db.Column(db.Integer, default=10)
is_active = db.Column(db.Boolean, default=True)
added_date = db.Column(db.DateTime, default=datetime.utcnow)
# Relationships
channel = db.relationship('StreamingChannel', back_populates='content')
media_file = db.relationship('MediaFile', backref='channel_assignments')
class Player(db.Model):
id = db.Column(db.Integer, primary_key=True)
device_id = db.Column(db.String(100), unique=True, nullable=False)
name = db.Column(db.String(100))
last_seen = db.Column(db.DateTime)
is_active = db.Column(db.Boolean, default=True)
channel_id = db.Column(db.Integer, db.ForeignKey('streaming_channel.id'))
# Relationships
channel = db.relationship('StreamingChannel', back_populates='players')
class MediaFile(db.Model):
id = db.Column(db.Integer, primary_key=True)
filename = db.Column(db.String(255), nullable=False)
original_name = db.Column(db.String(255), nullable=False)
file_type = db.Column(db.String(10), nullable=False)
file_size = db.Column(db.Integer)
upload_date = db.Column(db.DateTime, default=datetime.utcnow)
uploaded_by = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
is_active = db.Column(db.Boolean, default=True)
# Relationships
uploader = db.relationship('User', backref='uploaded_files')
class ActivityLog(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
action = db.Column(db.String(100), nullable=False)
details = db.Column(db.String(500))
timestamp = db.Column(db.DateTime, default=datetime.utcnow)
ip_address = db.Column(db.String(45))
# Relationships
user = db.relationship('User', backref='activity_logs')
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
def log_activity(action, details=None):
"""Helper function to log user activity"""
if current_user.is_authenticated:
activity = ActivityLog(
user_id=current_user.id,
action=action,
details=details,
ip_address=request.remote_addr
)
db.session.add(activity)
db.session.commit()
def allowed_file(filename):
ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif', 'mp4', 'avi', 'mov', 'pdf', 'json'}
return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
# Authentication Routes
@app.route('/login', methods=['GET', 'POST'])
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
user = User.query.filter_by(username=username).first()
if user and user.check_password(password):
login_user(user)
log_activity('User logged in')
flash('Logged in successfully!', 'success')
return redirect(url_for('admin' if user.role == 'admin' else 'user_dashboard'))
else:
flash('Invalid username or password.', 'error')
return render_template('login.html')
@app.route('/logout')
@login_required
def logout():
log_activity('User logged out')
logout_user()
flash('You have been logged out.', 'info')
return redirect(url_for('login'))
# Dashboard Routes
@app.route('/')
@login_required
def index():
if current_user.role == 'admin':
return redirect(url_for('admin'))
else:
return redirect(url_for('user_dashboard'))
@app.route('/admin')
@login_required
def admin():
if current_user.role != 'admin':
flash('Access denied. Admin privileges required.', 'error')
return redirect(url_for('user_dashboard'))
# Get statistics
total_files = MediaFile.query.filter_by(is_active=True).count()
total_users = User.query.count()
total_players = Player.query.count()
total_channels = StreamingChannel.query.filter_by(is_active=True).count()
# Get recent activity
recent_activity = ActivityLog.query.order_by(ActivityLog.timestamp.desc()).limit(10).all()
# Get recent files
recent_files = MediaFile.query.filter_by(is_active=True).order_by(MediaFile.upload_date.desc()).limit(5).all()
# Get all files for management
all_files = MediaFile.query.filter_by(is_active=True).order_by(MediaFile.upload_date.desc()).all()
# Get all users
all_users = User.query.order_by(User.username).all()
# Get all players
all_players = Player.query.order_by(Player.device_id).all()
# Get all channels for player assignment
all_channels = StreamingChannel.query.filter_by(is_active=True).order_by(StreamingChannel.name).all()
return render_template('admin.html',
total_files=total_files,
total_users=total_users,
total_players=total_players,
total_channels=total_channels,
recent_activity=recent_activity,
recent_files=recent_files,
all_files=all_files,
all_users=all_users,
all_players=all_players,
all_channels=all_channels)
@app.route('/user')
@login_required
def user_dashboard():
# Get all active files (for signage systems, users should see all available media)
user_files = MediaFile.query.filter_by(is_active=True).order_by(MediaFile.upload_date.desc()).all()
# Get all active channels
channels = StreamingChannel.query.filter_by(is_active=True).order_by(StreamingChannel.name).all()
# Get all users for display in file info
users = User.query.all()
# Get user's activity
user_activity = ActivityLog.query.filter_by(user_id=current_user.id).order_by(ActivityLog.timestamp.desc()).limit(10).all()
return render_template('user.html', user_files=user_files, user_activity=user_activity, channels=channels, users=users)
# File Management Routes
@app.route('/upload', methods=['POST'])
@login_required
def upload_file():
if 'file' not in request.files:
flash('No file selected.', 'error')
return redirect(request.referrer)
file = request.files['file']
if file.filename == '':
flash('No file selected.', 'error')
return redirect(request.referrer)
if file and allowed_file(file.filename):
# Generate unique filename
file_ext = file.filename.rsplit('.', 1)[1].lower()
unique_filename = f"{uuid.uuid4().hex}.{file_ext}"
# Save file
file_path = os.path.join(app.config['UPLOAD_FOLDER'], unique_filename)
file.save(file_path)
# Get file size
file_size = os.path.getsize(file_path)
# Save to database
media_file = MediaFile(
filename=unique_filename,
original_name=file.filename,
file_type=file_ext,
file_size=file_size,
uploaded_by=current_user.id
)
db.session.add(media_file)
db.session.commit()
# If channel is selected, add to channel
channel_id = request.form.get('channel_id')
display_duration = request.form.get('display_duration', 10)
if channel_id and channel_id.strip():
try:
channel_id = int(channel_id)
channel = StreamingChannel.query.get(channel_id)
if channel and channel.is_active:
# Get next order number for this channel
max_order = db.session.query(db.func.max(ChannelContent.order_index)).filter_by(channel_id=channel_id).scalar() or 0
# Add to channel
channel_content = ChannelContent(
channel_id=channel_id,
media_file_id=media_file.id,
display_duration=int(display_duration),
order_index=max_order + 1
)
db.session.add(channel_content)
db.session.commit()
log_activity('Content added to channel', f'Added {file.filename} to channel {channel.name}')
flash(f'File "{file.filename}" uploaded and added to channel "{channel.name}"!', 'success')
else:
flash(f'File "{file.filename}" uploaded but channel not found!', 'warning')
except (ValueError, TypeError):
flash(f'File "{file.filename}" uploaded but invalid channel selected!', 'warning')
else:
flash(f'File "{file.filename}" uploaded successfully!', 'success')
log_activity('File uploaded', f'Uploaded: {file.filename}')
else:
flash('Invalid file type. Please upload images, videos, PDFs, or JSON files.', 'error')
return redirect(request.referrer)
@app.route('/uploads/<filename>')
def uploaded_file(filename):
return send_from_directory(app.config['UPLOAD_FOLDER'], filename)
@app.route('/delete/<int:file_id>')
@login_required
def delete_file(file_id):
media_file = MediaFile.query.get_or_404(file_id)
# Check permissions
if current_user.role != 'admin' and media_file.uploaded_by != current_user.id:
flash('You can only delete your own files.', 'error')
return redirect(request.referrer)
# Mark as inactive instead of deleting
media_file.is_active = False
db.session.commit()
log_activity('File deleted', f'Deleted: {media_file.original_name}')
flash(f'File "{media_file.original_name}" deleted successfully!', 'success')
return redirect(request.referrer)
# Schedule Management Routes
@app.route('/schedules')
@login_required
def view_schedules():
# Since we're moving to channels, redirect to channels page
return redirect(url_for('view_channels'))
# Channel Management Routes
@app.route('/channels')
@login_required
def view_channels():
if current_user.role == 'admin':
channels = StreamingChannel.query.filter_by(is_active=True).order_by(StreamingChannel.created_date.desc()).all()
else:
channels = StreamingChannel.query.filter_by(created_by=current_user.id, is_active=True).order_by(StreamingChannel.created_date.desc()).all()
return render_template('channels.html', channels=channels)
@app.route('/add_channel', methods=['POST'])
@login_required
def add_channel():
try:
# If setting as default, unset other defaults
is_default = 'is_default' in request.form
if is_default:
StreamingChannel.query.filter_by(is_default=True).update({'is_default': False})
channel = StreamingChannel(
name=request.form['name'],
description=request.form.get('description', ''),
is_default=is_default,
created_by=current_user.id
)
db.session.add(channel)
db.session.commit()
log_activity('Channel created', f'Created channel: {channel.name}')
flash(f'Channel "{channel.name}" created successfully!', 'success')
except Exception as e:
flash(f'Error creating channel: {str(e)}', 'error')
return redirect(url_for('view_channels'))
@app.route('/delete_channel/<int:channel_id>')
@login_required
def delete_channel(channel_id):
channel = StreamingChannel.query.get_or_404(channel_id)
# Check permissions
if current_user.role != 'admin' and channel.created_by != current_user.id:
flash('Access denied. You can only delete your own channels.', 'error')
return redirect(url_for('view_channels'))
# Prevent deleting default channel
if channel.is_default:
flash('Cannot delete the default channel.', 'error')
return redirect(url_for('view_channels'))
# Check if any players are assigned to this channel
assigned_players = Player.query.filter_by(channel_id=channel_id).count()
if assigned_players > 0:
flash(f'Cannot delete channel. {assigned_players} player(s) are assigned to this channel.', 'error')
return redirect(url_for('view_channels'))
channel_name = channel.name
db.session.delete(channel)
db.session.commit()
log_activity('Channel deleted', f'Deleted channel: {channel_name}')
flash(f'Channel "{channel_name}" deleted successfully!', 'success')
return redirect(url_for('view_channels'))
@app.route('/edit_channel/<int:channel_id>', methods=['GET', 'POST'])
@login_required
def edit_channel(channel_id):
channel = StreamingChannel.query.get_or_404(channel_id)
# Check permissions
if current_user.role != 'admin' and channel.created_by != current_user.id:
flash('Access denied. You can only edit your own channels.', 'error')
return redirect(url_for('view_channels'))
if request.method == 'POST':
try:
# If setting as default, unset other defaults
is_default = 'is_default' in request.form
if is_default and not channel.is_default:
StreamingChannel.query.filter_by(is_default=True).update({'is_default': False})
channel.name = request.form['name']
channel.description = request.form.get('description', '')
channel.is_default = is_default
channel.is_active = 'is_active' in request.form
db.session.commit()
log_activity('Channel updated', f'Updated channel: {channel.name}')
flash(f'Channel "{channel.name}" updated successfully!', 'success')
except Exception as e:
flash(f'Error updating channel: {str(e)}', 'error')
return redirect(url_for('view_channels'))
return render_template('edit_channel.html', channel=channel)
@app.route('/manage_content/<int:channel_id>')
@login_required
def manage_content(channel_id):
channel = StreamingChannel.query.get_or_404(channel_id)
# Check permissions
if current_user.role != 'admin' and channel.created_by != current_user.id:
flash('Access denied. You can only manage content of your own channels.', 'error')
return redirect(url_for('view_channels'))
# Get all available media files
available_media = MediaFile.query.filter_by(is_active=True).order_by(MediaFile.upload_date.desc()).all()
# Get current channel content with media file details
channel_content = ChannelContent.query.filter_by(channel_id=channel_id).order_by(ChannelContent.order_index).all()
return render_template('manage_content.html', channel=channel, available_media=available_media, channel_content=channel_content)
@app.route('/add_content_to_channel', methods=['POST'])
@login_required
def add_content_to_channel():
channel_id = request.form['channel_id']
media_file_id = request.form['media_file_id']
duration = request.form.get('duration', 10)
channel = StreamingChannel.query.get_or_404(channel_id)
# Check permissions
if current_user.role != 'admin' and channel.created_by != current_user.id:
flash('Access denied.', 'error')
return redirect(url_for('view_channels'))
# Get next order number
max_order = db.session.query(db.func.max(ChannelContent.order_index)).filter_by(channel_id=channel_id).scalar() or 0
# Add content
content = ChannelContent(
channel_id=channel_id,
media_file_id=media_file_id,
display_duration=int(duration),
order_index=max_order + 1
)
db.session.add(content)
db.session.commit()
media_file = MediaFile.query.get(media_file_id)
log_activity('Content added to channel', f'Added {media_file.original_name} to {channel.name}')
flash('Content added to channel successfully!', 'success')
return redirect(url_for('manage_content', channel_id=channel_id))
@app.route('/remove_content_from_channel/<int:content_id>')
@login_required
def remove_content_from_channel(content_id):
content = ChannelContent.query.get_or_404(content_id)
channel = content.channel
# Check permissions
if current_user.role != 'admin' and channel.created_by != current_user.id:
flash('Access denied.', 'error')
return redirect(url_for('view_channels'))
db.session.delete(content)
db.session.commit()
log_activity('Content removed from channel', f'Removed content from {channel.name}')
flash('Content removed from channel successfully!', 'success')
return redirect(url_for('manage_content', channel_id=channel.id))
# User Management Routes
@app.route('/add_user', methods=['POST'])
@login_required
def add_user():
if current_user.role != 'admin':
flash('Access denied. Admin privileges required.', 'error')
return redirect(request.referrer)
try:
# Check if username already exists
existing_user = User.query.filter_by(username=request.form['username']).first()
if existing_user:
flash('Username already exists.', 'error')
return redirect(request.referrer)
# Check if email already exists
existing_email = User.query.filter_by(email=request.form['email']).first()
if existing_email:
flash('Email already exists.', 'error')
return redirect(request.referrer)
user = User(
username=request.form['username'],
email=request.form['email'],
role=request.form.get('role', 'user')
)
user.set_password(request.form['password'])
db.session.add(user)
db.session.commit()
log_activity('User created', f'Created user: {user.username} ({user.role})')
flash(f'User "{user.username}" created successfully!', 'success')
except Exception as e:
flash(f'Error creating user: {str(e)}', 'error')
return redirect(url_for('admin'))
@app.route('/delete_user/<int:user_id>')
@login_required
def delete_user(user_id):
if current_user.role != 'admin':
flash('Access denied. Admin privileges required.', 'error')
return redirect(request.referrer)
user = User.query.get_or_404(user_id)
# Prevent deleting yourself
if user.id == current_user.id:
flash('You cannot delete your own account.', 'error')
return redirect(request.referrer)
# Prevent deleting the only admin
if user.role == 'admin' and User.query.filter_by(role='admin').count() <= 1:
flash('Cannot delete the only admin user.', 'error')
return redirect(request.referrer)
username = user.username
db.session.delete(user)
db.session.commit()
log_activity('User deleted', f'Deleted user: {username}')
flash(f'User "{username}" deleted successfully!', 'success')
return redirect(url_for('admin'))
# Player Management Routes
@app.route('/add_player', methods=['POST'])
@login_required
def add_player():
try:
# Check if device_id already exists
existing_player = Player.query.filter_by(device_id=request.form['device_id']).first()
if existing_player:
flash('Device ID already exists.', 'error')
return redirect(request.referrer)
player = Player(
device_id=request.form['device_id'],
name=request.form.get('name', ''),
channel_id=int(request.form['channel_id']) if request.form.get('channel_id') else None
)
db.session.add(player)
db.session.commit()
log_activity('Player added', f'Added player: {player.device_id}')
flash(f'Player "{player.device_id}" added successfully!', 'success')
except Exception as e:
flash(f'Error adding player: {str(e)}', 'error')
return redirect(url_for('admin'))
@app.route('/delete_player/<int:player_id>')
@login_required
def delete_player(player_id):
if current_user.role != 'admin':
flash('Access denied. Admin privileges required.', 'error')
return redirect(request.referrer)
player = Player.query.get_or_404(player_id)
device_id = player.device_id
db.session.delete(player)
db.session.commit()
log_activity('Player deleted', f'Deleted player: {device_id}')
flash(f'Player "{device_id}" deleted successfully!', 'success')
return redirect(url_for('admin'))
@app.route('/assign_player_channel/<int:player_id>', methods=['POST'])
@login_required
def assign_player_channel(player_id):
try:
player = Player.query.get_or_404(player_id)
channel_id = int(request.form['channel_id']) if request.form.get('channel_id') else None
old_channel = player.channel.name if player.channel else 'None'
player.channel_id = channel_id
new_channel = StreamingChannel.query.get(channel_id).name if channel_id else 'None'
db.session.commit()
log_activity('Player channel assigned', f'Player {player.device_id}: {old_channel}{new_channel}')
flash(f'Player "{player.device_id}" assigned to channel successfully!', 'success')
except Exception as e:
flash(f'Error assigning player: {str(e)}', 'error')
return redirect(request.referrer)
# API Routes
@app.route('/api/content')
def api_content():
"""API endpoint for Info-Beamer devices to get content list"""
active_files = MediaFile.query.filter_by(is_active=True).all()
content = []
for file in active_files:
content.append({
'filename': file.filename,
'original_name': file.original_name,
'type': file.file_type,
'url': f"{request.host_url}uploads/{file.filename}",
'upload_date': file.upload_date.isoformat()
})
return jsonify({
'content': content,
'updated': datetime.utcnow().isoformat()
})
@app.route('/api/playlist')
def api_playlist():
"""Legacy API endpoint for Info-Beamer devices"""
# Return default channel content or all files
default_channel = StreamingChannel.query.filter_by(is_default=True).first()
if default_channel:
content_items = ChannelContent.query.filter_by(
channel_id=default_channel.id,
is_active=True
).join(MediaFile).order_by(ChannelContent.order_index).all()
playlist = {
'duration': 10,
'items': []
}
for content in content_items:
media_file = content.media_file
if media_file and media_file.is_active:
if media_file.file_type in ['jpg', 'jpeg', 'png', 'gif']:
playlist['items'].append({
'type': 'image',
'asset': media_file.filename,
'duration': content.display_duration
})
elif media_file.file_type in ['mp4', 'avi', 'mov']:
playlist['items'].append({
'type': 'video',
'asset': media_file.filename
})
return jsonify(playlist)
# If no channels exist, return all media files
active_files = MediaFile.query.filter_by(is_active=True).all()
playlist = {
'duration': 10,
'items': []
}
for file in active_files:
if file.file_type in ['jpg', 'jpeg', 'png', 'gif']:
playlist['items'].append({
'type': 'image',
'asset': file.filename,
'duration': 10
})
elif file.file_type in ['mp4', 'avi', 'mov']:
playlist['items'].append({
'type': 'video',
'asset': file.filename
})
return jsonify(playlist)
def init_db():
"""Initialize database and create default data"""
with app.app_context():
db.create_all()
# Create default admin user if no users exist
if User.query.count() == 0:
admin = User(
username='admin',
email='admin@localhost',
role='admin'
)
admin.set_password('admin') # Change this!
db.session.add(admin)
db.session.commit()
print("Created default admin user: admin/admin (CHANGE PASSWORD!)")
# Create default streaming channel if none exists
if not StreamingChannel.query.first():
default_channel = StreamingChannel(
name='Default Channel',
description='Main content channel',
is_default=True,
is_active=True,
created_by=1 # Admin user
)
db.session.add(default_channel)
db.session.commit()
print("Created default streaming channel")
# API Endpoints for Info-Beamer Integration
@app.route('/api/player/<device_id>/content')
def api_player_content(device_id):
"""Get content for a specific player"""
player = Player.query.filter_by(device_id=device_id).first()
if not player:
return jsonify({'error': 'Player not found'}), 404
if not player.channel_id:
return jsonify({'content': []})
# Get content from the player's assigned channel
channel_content = ChannelContent.query.filter_by(channel_id=player.channel_id).order_by(ChannelContent.order).all()
content_list = []
for content in channel_content:
media_file = MediaFile.query.get(content.media_file_id)
if media_file:
content_list.append({
'filename': media_file.filename,
'type': 'image' if media_file.file_type.startswith('image/') else 'video',
'duration': content.duration or 10,
'order': content.order
})
return jsonify({'content': content_list})
@app.route('/api/player/<device_id>/channel')
def api_player_channel(device_id):
"""Get channel information for a specific player"""
player = Player.query.filter_by(device_id=device_id).first()
if not player:
return jsonify({'error': 'Player not found'}), 404
if not player.channel_id:
return jsonify({'name': 'No Channel Assigned', 'description': 'No channel assigned to this player'})
channel = StreamingChannel.query.get(player.channel_id)
if not channel:
return jsonify({'error': 'Channel not found'}), 404
return jsonify({
'name': channel.name,
'description': channel.description,
'is_active': channel.is_active
})
@app.route('/api/player/<device_id>/heartbeat', methods=['POST'])
def api_player_heartbeat(device_id):
"""Update player last seen timestamp"""
player = Player.query.filter_by(device_id=device_id).first()
if not player:
return jsonify({'error': 'Player not found'}), 404
player.last_seen = datetime.utcnow()
db.session.commit()
return jsonify({'status': 'ok'})
if __name__ == '__main__':
init_db()
app.run(host='0.0.0.0', port=80, debug=True)