Admin endpoints work

This commit is contained in:
Tanishq Dubey 2024-10-20 15:26:49 -04:00
parent cd75219985
commit 8dfe806c0e
6 changed files with 342 additions and 0 deletions

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.gitignore vendored
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@ -5,6 +5,7 @@ lib/
lib64/ lib64/
local/ local/
share/ share/
<<<<<<< HEAD
lib64 lib64
uploads/ uploads/

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app.py Normal file
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from flask import Flask, request, jsonify, render_template, redirect, url_for, flash, session, send_from_directory
from werkzeug.utils import secure_filename
from models import Session as DBSession, Photo
from config import load_or_create_config
import os
from datetime import datetime
from PIL import Image, ExifTags
from apscheduler.schedulers.background import BackgroundScheduler
import random
from colorthief import ColorThief
import colorsys
app = Flask(__name__)
app.secret_key = os.urandom(24)
config = load_or_create_config()
UPLOAD_FOLDER = config['directories']['upload']
THUMBNAIL_FOLDER = config['directories']['thumbnail']
ALLOWED_EXTENSIONS = {'jpg', 'jpeg', 'png', 'gif'}
THUMBNAIL_SIZES = [256, 512, 768, 1024, 1536, 2048]
# Create upload and thumbnail directories if they don't exist
os.makedirs(UPLOAD_FOLDER, exist_ok=True)
os.makedirs(THUMBNAIL_FOLDER, exist_ok=True)
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
app.config['THUMBNAIL_FOLDER'] = THUMBNAIL_FOLDER
app.config['MAX_CONTENT_LENGTH'] = 80 * 1024 * 1024 # 80MB limit
scheduler = BackgroundScheduler()
scheduler.start()
def allowed_file(filename):
return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
def get_highlight_color(image_path):
color_thief = ColorThief(image_path)
palette = color_thief.get_palette(color_count=6, quality=1)
# Convert RGB to HSV and find the color with the highest saturation
highlight_color = max(palette, key=lambda rgb: colorsys.rgb_to_hsv(*rgb)[1])
return '#{:02x}{:02x}{:02x}'.format(*highlight_color)
def generate_thumbnails(filename):
original_path = os.path.join(UPLOAD_FOLDER, filename)
thumb_dir = os.path.join(THUMBNAIL_FOLDER, os.path.splitext(filename)[0])
os.makedirs(thumb_dir, exist_ok=True)
for size in THUMBNAIL_SIZES:
thumb_path = os.path.join(thumb_dir, f"{size}_{filename}")
if not os.path.exists(thumb_path):
with Image.open(original_path) as img:
# Extract EXIF data
exif_data = None
if "exif" in img.info:
exif_data = img.info["exif"]
# Resize image
img.thumbnail((size, size), Image.LANCZOS)
# Save image with EXIF data
if exif_data:
img.save(thumb_path, exif=exif_data, optimize=True, quality=85)
else:
img.save(thumb_path, optimize=True, quality=85)
def generate_all_thumbnails():
for filename in os.listdir(UPLOAD_FOLDER):
if allowed_file(filename):
generate_thumbnails(filename)
scheduler.add_job(generate_all_thumbnails, 'interval', minutes=5)
scheduler.add_job(generate_all_thumbnails, 'date', run_date=datetime.now()) # Run once at startup
@app.route('/')
def index():
return render_template('index.html')
@app.route('/api/images')
def get_images():
page = int(request.args.get('page', 1))
per_page = 20
db_session = DBSession()
photos = db_session.query(Photo).order_by(Photo.date_taken.desc()).offset((page - 1) * per_page).limit(per_page).all()
images = []
for photo in photos:
factor = random.randint(2, 3)
if photo.height < 4000 or photo.width < 4000:
factor = 1
if photo.orientation == 6 or photo.orientation == 8:
width, height = photo.height, photo.width
else:
width, height = photo.width, photo.height
images.append({
'imgSrc': f'/static/thumbnails/{os.path.splitext(photo.input_filename)[0]}/1536_{photo.input_filename}',
'width': width / factor,
'height': height / factor,
'caption': photo.input_filename,
'date': photo.date_taken.strftime('%y %m %d'),
'technicalInfo': f"{photo.focal_length}MM | F/{photo.aperture} | {photo.shutter_speed} | ISO{photo.iso}",
'highlightColor': photo.highlight_color
})
has_more = db_session.query(Photo).count() > page * per_page
db_session.close()
return jsonify({'images': images, 'hasMore': has_more})
@app.route('/admin')
def admin():
if 'logged_in' not in session:
return redirect(url_for('admin_login'))
db_session = DBSession()
photos = db_session.query(Photo).order_by(Photo.date_taken.desc()).all()
db_session.close()
return render_template('admin.html', photos=photos)
@app.route('/admin/login', methods=['GET', 'POST'])
def admin_login():
if request.method == 'POST':
if request.form['password'] == config['admin']['password']:
session['logged_in'] = True
return redirect(url_for('admin'))
else:
flash('Invalid password')
return render_template('admin_login.html')
@app.route('/admin/upload', methods=['POST'])
def admin_upload():
if 'logged_in' not in session:
return redirect(url_for('admin_login'))
if 'file' not in request.files:
flash('No file part')
return redirect(url_for('admin'))
file = request.files['file']
if file.filename == '':
flash('No selected file')
return redirect(url_for('admin'))
if file and allowed_file(file.filename):
filename = secure_filename(file.filename)
file_path = os.path.join(app.config['UPLOAD_FOLDER'], filename)
file.save(file_path)
# Generate thumbnails
generate_thumbnails(filename)
# Extract EXIF data
exif = None
with Image.open(file_path) as img:
width, height = img.size
exif = {
ExifTags.TAGS[k]: v
for k, v in img._getexif().items()
if k in ExifTags.TAGS
}
# Get image dimensions
with Image.open(file_path) as img:
width, height = img.size
exposure_time = exif['ExposureTime']
if isinstance(exposure_time, tuple):
exposure_fraction = f"{exposure_time[0]}/{exposure_time[1]}"
else:
exposure_fraction = f"1/{int(1/float(exposure_time))}"
# Create database entry
db_session = DBSession()
new_photo = Photo(
input_filename=filename,
thumbnail_filename=f"{os.path.splitext(filename)[0]}/256_{filename}",
focal_length=str(exif.get('FocalLengthIn35mmFilm', exif.get('FocalLength', ''))),
aperture=str(exif.get('FNumber', '')),
shutter_speed=exposure_fraction,
date_taken=datetime.strptime(str(exif.get('DateTime', '1970:01:01 00:00:00')), '%Y:%m:%d %H:%M:%S'),
iso=int(exif.get('ISOSpeedRatings', 0)),
orientation=int(exif.get('Orientation', 1)),
width=width,
height=height,
highlight_color=get_highlight_color(THUMBNAIL_FOLDER + f"{os.path.splitext(filename)[0]}/256_{filename}")
)
db_session.add(new_photo)
db_session.commit()
db_session.close()
flash('File uploaded successfully')
return redirect(url_for('admin'))
flash('Invalid file type')
return redirect(url_for('admin'))
@app.route('/admin/logout')
def admin_logout():
session.pop('logged_in', None)
flash('You have been logged out')
return redirect(url_for('admin_login'))
@app.route('/static/thumbnails/<path:filename>')
def serve_thumbnail(filename):
return send_from_directory(THUMBNAIL_FOLDER, filename)
if __name__ == '__main__':
app.run(debug=True, port=5002, host='0.0.0.0')

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config.py Normal file
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import toml
import os
import secrets
CONFIG_FILE = 'config.toml'
def load_or_create_config():
if not os.path.exists(CONFIG_FILE):
admin_password = secrets.token_urlsafe(16)
config = {
'admin': {
'password': admin_password
},
'directories': {
'upload': 'uploads',
'thumbnail': 'thumbnails'
}
}
with open(CONFIG_FILE, 'w') as f:
toml.dump(config, f)
print(f"Generated new config file with admin password: {admin_password}")
else:
with open(CONFIG_FILE, 'r') as f:
config = toml.load(f)
return config

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models.py Normal file
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from sqlalchemy import create_engine, Column, Integer, String, DateTime, Float
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
Base = declarative_base()
class Photo(Base):
__tablename__ = 'photos'
id = Column(Integer, primary_key=True, autoincrement=True)
input_filename = Column(String, nullable=False)
thumbnail_filename = Column(String, nullable=False)
focal_length = Column(String)
aperture = Column(String)
shutter_speed = Column(String)
date_taken = Column(DateTime)
iso = Column(Integer)
width = Column(Integer)
height = Column(Integer)
highlight_color = Column(String)
orientation = Column(Integer)
engine = create_engine('sqlite:///photos.db')
Base.metadata.create_all(engine)
Session = sessionmaker(bind=engine)

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templates/admin.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Admin Interface</title>
<style>
table {
border-collapse: collapse;
width: 100%;
}
th, td {
border: 1px solid #ddd;
padding: 8px;
text-align: left;
}
th {
background-color: #f2f2f2;
}
</style>
</head>
<body>
<h1>Admin Interface</h1>
{% with messages = get_flashed_messages() %}
{% if messages %}
<ul>
{% for message in messages %}
<li>{{ message }}</li>
{% endfor %}
</ul>
{% endif %}
{% endwith %}
<h2>Upload New Image</h2>
<form action="{{ url_for('admin_upload') }}" method="POST" enctype="multipart/form-data">
<input type="file" name="file" accept=".jpg,.jpeg,.png,.gif" required>
<input type="submit" value="Upload">
</form>
<h2>Uploaded Images</h2>
<table>
<tr>
<th>ID</th>
<th>Thumbnail</th>
<th>Filename</th>
<th>Date Taken</th>
<th>Technical Info</th>
</tr>
{% for photo in photos %}
<tr>
<td>{{ photo.id }}</td>
<td><img src="{{ url_for('static', filename='thumbnails/' + photo.thumbnail_filename) }}" alt="Thumbnail" width="100"></td>
<td>{{ photo.input_filename }}</td>
<td>{{ photo.date_taken.strftime('%Y-%m-%d %H:%M:%S') }}</td>
<td>{{ photo.focal_length }}mm f/{{ photo.aperture }} {{ photo.shutter_speed }}s ISO{{ photo.iso }}</td>
</tr>
{% endfor %}
</table>
</body>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Admin Login</title>
</head>
<body>
<h1>Admin Login</h1>
{% with messages = get_flashed_messages() %}
{% if messages %}
<ul>
{% for message in messages %}
<li>{{ message }}</li>
{% endfor %}
</ul>
{% endif %}
{% endwith %}
<form method="POST">
<input type="password" name="password" required>
<input type="submit" value="Login">
</form>
</body>
</html>