Files
flask-files/files/files.py
2019-03-12 00:51:29 -03:00

182 lines
5.0 KiB
Python

import os
from flask import Flask, Blueprint, flash, request, redirect, url_for, current_app, render_template, \
send_from_directory, g
from werkzeug.utils import secure_filename
from werkzeug.exceptions import abort
from files.models import db, File, Category, User, FileType
from files.auth import admin_required
bp = Blueprint('files', __name__)
bp.add_url_rule('/uploads/<path:filename>', 'uploaded_file', build_only=True)
def _get_extension(filename):
return filename.rsplit('.', 1)[1].lower()
def _get_path_in_upload(filename):
return os.path.join(current_app.config['UPLOAD_FOLDER'], filename)
def _save_file(file, private, category, file_type):
if private is None:
is_private = 0
else:
is_private = 1
filename = secure_filename(file.filename)
file.save(_get_path_in_upload(filename))
f = File(filename, is_private, category.id, file_type.id)
db.session.add(f)
db.session.commit()
def _rename_file(file, new_name):
new_name = secure_filename(new_name)
os.rename(_get_path_in_upload(file.filename), _get_path_in_upload(new_name))
file.filename = new_name
db.session.commit()
def _delete_file(file):
os.remove(_get_path_in_upload(file.filename))
db.session.delete(file)
db.session.commit()
@bp.route('/', methods=['GET', 'POST'])
def index():
if g.user is None:
files = File.query.filter_by(private=0).all()
else:
files = File.query.all()
return render_template('files/index.html', files=files)
@bp.route('/upload', methods=['GET', 'POST'])
@admin_required
def upload_file():
if request.method == 'POST':
if 'file' not in request.files:
flash('No file part')
return redirect(request.url)
else:
file = request.files['file']
if 'private' not in request.form:
private = None
else:
private = request.form['private']
if 'category' not in request.form:
flash('No category selected')
return redirect(request.url)
category = Category.query.get(request.form['category'])
if category is None:
flash('The category selected won\'t exists')
return redirect(request.url)
if 'file_type' not in request.form:
flash('No file type selected')
return redirect(request.url)
file_type = FileType.query.get(request.form['file_type'])
if file_type is None:
flash('The file type selected won\'t exists')
return redirect(request.url)
if file.filename == '':
flash('No seleted file')
return redirect(request.url)
if file:
_save_file(file, private, category, file_type)
return redirect(url_for('files.index'))
return render_template('files/upload.html', categories=Category.query.all(), file_types=FileType.query.all())
@bp.route('/preview/<int:id>')
def preview_file(id):
file = File.query.get(id)
categories = Category.query.all()
file_types = FileType.query.all()
if (file.private == 1 and g.user is not None) or (file.private == 0):
return render_template('files/preview.html', file=file, categories=categories, file_types=file_types)
else:
return abort(404)
@bp.route('/rename/<int:id>', methods=['POST'])
@admin_required
def rename_file(id):
file = File.query.get(id)
new_name = request.form['new_name'].lower()
extension = file.filename.rsplit('.', 1)[1].lower()
if "." in new_name and _get_extension(new_name):
new_name = new_name.rsplit('.', 1)[0] + '.' + extension
else:
new_name = new_name + '.' + extension
_rename_file(file, new_name)
return redirect(url_for('files.preview_file', id=file.id))
@bp.route('/recategorize/<int:id>', methods=['POST'])
@admin_required
def recategorize(id):
file = File.query.get(id)
if 'new_category' not in request.form:
flash('No category selected')
return redirect(request.url)
new_category = Category.query.get(request.form['new_category'])
if new_category is None:
flash('The category selected won\'t exists')
return redirect(request.url)
file.category_id = new_category.id
db.session.commit()
return redirect(url_for('files.preview_file', id=file.id))
@bp.route('/retype/<int:id>', methods=['POST'])
@admin_required
def retype(id):
file = File.query.get(id)
if 'new_type' not in request.form:
flash('No type selected')
return redirect(request.url)
new_type = FileType.query.get(request.form['new_type'])
if new_type is None:
flash('The file type selected won\'t exists')
return redirect(request.url)
file.file_type_id= new_type.id
db.session.commit()
return redirect(url_for('files.preview_file', id=file.id))
@bp.route('/delete/<int:id>', methods=['POST'])
@admin_required
def delete_file(id):
file = File.query.get(id)
_delete_file(file)
return redirect(url_for('index'))