540 lines
19 KiB
Python
540 lines
19 KiB
Python
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"""
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Flask Documentation: http://flask.pocoo.org/docs/
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Jinja2 Documentation: http://jinja.pocoo.org/2/documentation/
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Werkzeug Documentation: http://werkzeug.pocoo.org/documentation/
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This file creates your application.
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"""
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from app import app, db, socketio, DOMAIN
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from flask import Flask, Response, render_template, request, redirect, url_for, flash, send_from_directory, jsonify, abort
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import json
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from sqlalchemy.sql.expression import func, select
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from app.forms import UploadForm, EditForm, SearchForm, ChatForm, StackForm, AddtoStackForm, EditStackForm
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from app.models import Book, BookSchema, Author, AuthorSchema, Stack, StackSchema, UserIns, Chat, ChatSchema
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from app.cover import get_cover
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from os import environ
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from flask_socketio import SocketIO, emit
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import datetime
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import time
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import autocomplete
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import sys
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from csv import DictWriter
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import io
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import os
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from werkzeug.utils import secure_filename
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# import sqlite3
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ALLOWED_EXTENSIONS = set(['txt', 'pdf', 'epub', 'chm', 'mobi'])
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author_schema = AuthorSchema()
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authors_schema = AuthorSchema(many=True)
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book_schema = BookSchema()
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books_schema = BookSchema(many=True)
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stack_schema = StackSchema()
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stacks_schema = StackSchema(many=True)
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chat_schema = ChatSchema()
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chats_schema = ChatSchema(many=True)
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def allowed_file(filename):
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return '.' in filename and \
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filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
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###
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# Routing for your application.
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###
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@app.route('/', methods= ['POST','GET'])
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def home():
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chat_form = ChatForm()
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chat_messages = db.session.query(Chat).all()
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# if request.method == 'POST':
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# if chat_form.validate_on_submit():
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# message = chat_form.message.data
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# msg = Chat(message)
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# db.session.add(msg)
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# db.session.commit()
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return render_template('home.html',domain=DOMAIN,chat=chat_messages, channel = 1, username="librarian")
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@app.route('/hello/<name>')
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def hello(name):
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return "Hello " + name
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@app.route('/about/')
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def about():
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"""Render the website's about page."""
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return render_template('about.html', name="Mary Jane")
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@app.route('/uploads/<filename>')
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def uploaded_file(filename):
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return send_from_directory(app.config['UPLOAD_FOLDER'],
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filename)
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@app.route('/uploads/cover/<filename>')
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def uploaded_file_cover(filename):
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return send_from_directory(app.config['UPLOAD_FOLDER_COVER'],
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filename)
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@app.route('/updates', methods=['POST', 'GET'])
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def get_updates():
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userin = UserIns.query.filter_by(title="lastViewed").first()
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allbooks = db.session.query(Book).all()
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id = len(allbooks)
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latest_upload = allbooks[-1]
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return "This is the XPPL ~ Library XPUB ~ Updates / / / / / / / Last viewed: " + userin.info + " / / / / / / / " + str(len(allbooks)) + " Books online "+ " / / / / / / / " + "Latest upload: " + latest_upload.title
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@app.route('/scape', methods=['POST', 'GET'])
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def scape():
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if request.method == 'POST':
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data = request.form
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book = Book.query.get(data['id'])
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print(book.scapeX)
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book.scapeX = data['x']
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book.scapeY = data['y']
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db.session.commit()
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books = db.session.query(Book).all() # or you could have used User.query.all()
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return render_template('scape.html', books=books)
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@app.route('/books_grid')
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def show_books_grid():
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books = db.session.query(Book).all() # or you could have used User.query.all()
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return render_template('show_books_grid.html', books=books)
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@app.route('/books/<int:id>')
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def show_book_by_id(id):
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book = Book.query.get(id)
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userin = UserIns.query.filter_by(title="lastViewed").first()
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if userin != None:
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userin.info = book.title
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db.session.commit()
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else:
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user_info = UserIns("lastViewed", book.title)
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db.session.add(user_info)
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db.session.commit()
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if not book:
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return render_template('red_link.html', id=id)
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else:
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return render_template('show_book_detail.html', book=book)
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@app.route('/books/<int:id>/delete', methods=['POST', 'GET'])
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def remove_book_by_id(id):
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book_to_edit = Book.query.filter_by(id=id).first()
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title = book_to_edit.title
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Book.query.filter_by(id=id).delete()
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#author_table = Author.query.filter_by(book_id=book_to_edit.id).delete()
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db.session.commit()
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flash("%s deleted from library" % (title))
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return redirect(url_for('show_books'))
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@app.route('/books/<int:id>/edit', methods=['POST', 'GET'])
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def edit_book_by_id(id):
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book_to_edit = Book.query.filter_by(id=id).first()
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user_form = EditForm(title = book_to_edit.title, author =book_to_edit.authors, category = book_to_edit.category, year_published= book_to_edit.year_published)
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if request.method == 'POST':
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if user_form.validate_on_submit():
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# on submit, check fields
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title = user_form.title.data
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input_authors = user_form.author.data
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category = user_form.category.data
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year_published = user_form.year_published.data
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if year_published=="":
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year_published = None
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book = Book.query.filter_by(id=id).first()
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book.title = title
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book.category = category
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book.year_published = year_published
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#authors update
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book.authors.clear()
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for i, author in enumerate(input_authors):
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author_name = author.get("author_name")
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if author_name:
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a = db.session.query(Author).filter_by(author_name=author_name).first()
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if a == None:
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a = Author(author_name=author_name)
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db.session.add(a)
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book.authors.append(a)
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# editing / uploading new file
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if user_form.file.data:
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file = request.files['file']
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if file.filename == '':
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flash('No selected file')
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return redirect(request.url)
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if file and allowed_file(file.filename):
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filename = secure_filename(file.filename)
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allbooks = db.session.query(Book).all()
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id = book.id
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new_filename = str(id) +"_"+ filename
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fullpath = os.path.join(app.config['UPLOAD_FOLDER'], new_filename)
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name, file_extension = os.path.splitext(new_filename)
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file.save(fullpath)
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book.cover = get_cover(fullpath, name)
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book.file = new_filename
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else:
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flash('allowed file formats: %s' % ALLOWED_EXTENSIONS)
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db.session.commit()
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flash("%s updated" % (title))
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return redirect(url_for('show_book_by_id', id=id))
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return render_template('edit_book_detail.html', book=book_to_edit, form=user_form)
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@app.route('/add-book', methods=['POST', 'GET'])
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def add_book():
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upload_form = UploadForm()
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if request.method == 'POST':
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if upload_form.validate_on_submit():
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#get data from form
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title = upload_form.title.data
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authors = upload_form.author.data
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category = upload_form.category.data
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year_published = upload_form.year_published.data
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if year_published=="":
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year_published = None
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#if upload with file
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if upload_form.upload.data:
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# check if the post request has the file part
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if 'file' not in request.files:
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flash('No file part')
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return redirect(request.url)
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file = request.files['file']
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# if user does not select file, browser also
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# submit a empty part without filename
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if file.filename == '':
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flash('No selected file')
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return redirect(request.url)
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if file and allowed_file(file.filename):
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filename = secure_filename(file.filename)
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allbooks = db.session.query(Book).all()
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id = len(allbooks)+1
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new_filename = str(id) +"_"+ filename
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fullpath = os.path.join(app.config['UPLOAD_FOLDER'], new_filename)
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name, file_extension = os.path.splitext(new_filename)
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file.save(fullpath)
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cover = get_cover(fullpath, name)
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else:
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flash('allowed file formats: %s' % ALLOWED_EXTENSIONS)
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#if upload without file -> wishform, with potential PDF
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if upload_form.wish.data:
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#TO DO: make pdf generator
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#file = open('app/uploads/potential.pdf')
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#filename = 'potential.pdf'
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#file_extension = '.pdf'
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filename = ''
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file_extension = ''
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cover = ''
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book = Book(title, filename, cover, file_extension, category,year_published)
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db.session.add(book)
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for author in authors:
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author_name = author.get("author_name")
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if author_name:
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a = db.session.query(Author).filter_by(author_name=author_name).first()
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if a == None:
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a = Author(author_name=author_name)
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db.session.add(a)
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book.authors.append(a)
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db.session.commit()
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flash("%s added to the library" % (title))
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return redirect(url_for('show_books'))
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flash_errors(upload_form)
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return render_template('add_book.html', form=upload_form)
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# Flash errors from the form if validation fails
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def flash_errors(form):
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for field, errors in form.errors.items():
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for error in errors:
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flash(u"Error in the %s field - %s" % (
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getattr(form, field).label.text,
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error
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))
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#Authors
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@app.route('/authors/<int:id>')
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def show_author_by_id(id):
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author = Author.query.get(id)
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if not author:
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abort (404)
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else:
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return render_template('show_author_detail.html', author=author)
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@app.route('/authors/<int:id>/edit', methods=['POST', 'GET'])
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def edit_author_by_id(id):
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return "Ask the programmer."
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##stacks
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@app.route('/stacks')
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def show_stacks():
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stacks = db.session.query(Stack).all()
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return render_template('show_stacks.html', stacks=stacks)
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@app.route('/stacks/add_stack', methods=['POST', 'GET'])
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def add_stack():
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form = StackForm()
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stacks = db.session.query(Stack).all()
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if form.validate_on_submit():
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stack_name = form.stack_name.data
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stack_description = form.stack_description.data
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stack = Stack(stack_name, stack_description)
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if form.stack_name.data:
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stack = Stack(stack_name, stack_description)
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db.session.add(stack)
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stacks = db.session.query(Stack).all()
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return redirect(url_for('show_stacks'))
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flash("%s stack created" % (stack_name))
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return render_template('add_stack.html', stacks=stacks, form=form)
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@app.route('/stacks/tab/<int:id>', methods=['POST', 'GET'])
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def show_stack_in_tab(id):
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return show_stack_by_id(id, is_tab=True)
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@app.route('/stacks/<int:id>', methods=['POST', 'GET'])
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def show_stack_by_id(id, is_tab=False):
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stack = Stack.query.get(id)
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if not stack:
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abort (404)
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else:
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if is_tab == False:
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return render_template('show_stack_detail.html', stack=stack)
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else:
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return render_template('show_stack_detail_tab.html', stack=stack)
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@app.route('/stacks/<int:id>/delete', methods=['POST', 'GET'])
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def remove_stack_by_id(id):
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Stack.query.filter_by(id=id).delete()
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db.session.commit()
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return redirect(url_for('show_stacks'))
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@app.route('/stacks/<int:id>/edit', methods=['POST', 'GET'])
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def edit_stack_by_id(id):
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stack = Stack.query.filter_by(id=id).first()
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form = EditStackForm(edit_stack_name = stack.stack_name, edit_stack_description = stack.stack_description)
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if request.method == 'POST':
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if form.validate_on_submit():
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stack_name = form.edit_stack_name.data
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stack_description = form.edit_stack_description.data
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stack.stack_name = stack_name
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stack.stack_description = stack_description
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db.session.commit()
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return redirect(url_for('show_stack_by_id', id=id))
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return render_template('edit_stack_detail.html', stack=stack, form=form)
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#@app.route('/stacks/<int:stackid>/remove/<int:bookid>', methods=['POST', 'GET'])
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#def remove_from_stack(bookid, stackid):
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# import ipdb; ipdb.set_trace()
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# book = Book.query.get(id)
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# stack = Stack.query.get(id)
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# stack = db.session.query(Stack).join(stack.books).filter_by(stackid=stackid)
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# stack.books.delete(book)
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# db.session.commit()
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# return render_template('show_book_by_id.html', stackid=stack.id, bookid=book.id)
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@app.route('/add_to_stack/<int:id>', methods=['GET', 'POST'])
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def add_to_stack(id):
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stacks = db.session.query(Stack).all()
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add_form = AddtoStackForm(request.form)
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add_form.select_stack.choices = [(stack.id, stack.stack_name) for stack in stacks]
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if request.method == 'GET':
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book = Book.query.get(id)
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return render_template('add_to_stacks.html', id=id, stacks=stacks, book=book, add_form=add_form)
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else:
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stack = Stack.query.get(int(add_form.select_stack.data))
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book = Book.query.get(id)
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stack.books.append(book)
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db.session.commit()
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return render_template('show_stack_detail.html', stack=stack)
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## search
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@app.route('/books', methods= ['POST','GET'])
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def show_books():
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books = db.session.query(Book).all()
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search = SearchForm(request.form)
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if request.method == 'POST':
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return redirect((url_for('search_results', searchtype=search.select.data, query=search.search.data)))
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return render_template('show_books.html', books=books, form=search)
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@app.route('/search/<searchtype>/<query>/', methods=['POST', 'GET'])
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def search_results(searchtype, query):
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search = SearchForm(request.form)
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random_order=Book.query.order_by(func.random()).limit(10)
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results=Book.query.filter(Book.title.contains(query))
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if searchtype == 'Title':
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results=Book.query.filter(Book.title.contains(query))
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if searchtype == 'Category':
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results=Book.query.filter(Book.category.contains(query))
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if searchtype== 'Author':
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results=db.session.query(Book).join(Book.authors).filter(Author.author_name.contains(query))
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if searchtype== 'Stack':
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results=db.session.query(Book).join(Book.stacks).filter(Stack.stack_name.contains(query))
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if searchtype== 'All':
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# results=Book.query.whoosh_search(query)
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results=Book.query.filter(Book.title.contains(query))
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results=results.union(Book.query.filter(Book.category.contains(query)))
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results=results.union(db.session.query(Book).join(Book.authors).filter(Author.author_name.contains(query)))
|
||
|
results=results.union(db.session.query(Book).join(Book.stacks).filter(Stack.stack_name.contains(query)))
|
||
|
|
||
|
if results.count() == 0:
|
||
|
upload_form = UploadForm(title= query, author='')
|
||
|
return render_template('red_link.html', form=upload_form, title=query)
|
||
|
|
||
|
if request.method == 'POST':
|
||
|
query = search.search.data
|
||
|
results = []
|
||
|
return redirect((url_for('search_results', searchtype=search.select.data, query=search.search.data)))
|
||
|
|
||
|
count = results.count()
|
||
|
whole = Book.query.count()
|
||
|
percentage = float(count / whole * 100)
|
||
|
return render_template('results.html', form=search, books=results, books_all=random_order, searchtype=search.select.data, query=query, count = count, whole = whole, percentage = percentage)
|
||
|
|
||
|
|
||
|
## Search - autocomplete
|
||
|
autocomplete_suggestions = []
|
||
|
|
||
|
@app.route('/autocomplete_suggestions', methods=['GET', 'POST'])
|
||
|
def test1():
|
||
|
if request.method == 'POST':
|
||
|
autocomplete.load()
|
||
|
query = request.form['search']
|
||
|
query_tokenized = query.lower().split()
|
||
|
print(query_tokenized)
|
||
|
word_1 = query_tokenized[-2]
|
||
|
word_2 = query_tokenized[-1]
|
||
|
#print(word_1)
|
||
|
autocomplete_output = autocomplete.predict(word_1 , word_2)
|
||
|
autocomplete_suggestions.clear()
|
||
|
for suggestion, score in autocomplete_output:
|
||
|
autocomplete_suggestions.append(suggestion)
|
||
|
|
||
|
print(autocomplete_suggestions)
|
||
|
|
||
|
return Response(json.dumps(autocomplete_suggestions), mimetype='application/json')
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
@app.route('/export/csv', methods=['GET'])
|
||
|
def export_csv ():
|
||
|
output = io.StringIO()
|
||
|
fieldnames = ['title', 'authors']
|
||
|
csv = DictWriter(output,fieldnames)
|
||
|
csv.writeheader()
|
||
|
# for i in range(10):
|
||
|
# csv.writerow({'ID': i, 'fruit': "Tomato"})
|
||
|
for book in Book.query.order_by("title"):
|
||
|
authors = ", ".join([x.author_name for x in book.authors])
|
||
|
csv.writerow({"title": book.title, "authors": authors})
|
||
|
resp = Response(output.getvalue(), mimetype="text/plain")
|
||
|
# resp.headers["Content-Disposition"] = "attachment;filename=export.csv"
|
||
|
return resp
|
||
|
###
|
||
|
# The API
|
||
|
###
|
||
|
|
||
|
@app.route('/api/books', methods=['GET'])
|
||
|
def get_books():
|
||
|
books = Book.query.all()
|
||
|
data = books_schema.dump(books)
|
||
|
#print(errors)
|
||
|
return jsonify({'books': data})
|
||
|
|
||
|
@app.route('/api/books/<int:id>', methods=['GET'])
|
||
|
def get_book_by_id(id):
|
||
|
book = Book.query.get(id)
|
||
|
data = book_schema.dump(book)
|
||
|
if not data:
|
||
|
return jsonify({"message": "Book could not be found."}), 400
|
||
|
else:
|
||
|
return jsonify({'book': data })
|
||
|
|
||
|
@app.route('/api/chats', methods=['GET'])
|
||
|
def get_chat():
|
||
|
chats = Chat.query.all()
|
||
|
data = chats_schema.dump(chats)
|
||
|
#print(errors)
|
||
|
return jsonify({'chat': data})
|
||
|
|
||
|
|
||
|
|
||
|
###
|
||
|
# The functions below should be applicable to all Flask apps.
|
||
|
###
|
||
|
|
||
|
@app.route('/<file_name>.txt')
|
||
|
def send_text_file(file_name):
|
||
|
"""Send your static text file."""
|
||
|
file_dot_text = file_name + '.txt'
|
||
|
return app.send_static_file(file_dot_text)
|
||
|
|
||
|
|
||
|
@app.after_request
|
||
|
def add_header(response):
|
||
|
"""
|
||
|
Add headers to both force latest IE rendering engine or Chrome Frame,
|
||
|
and also to cache the rendered page for 10 minutes.
|
||
|
"""
|
||
|
response.headers['X-UA-Compatible'] = 'IE=Edge,chrome=1'
|
||
|
response.headers['Cache-Control'] = 'public, max-age=600'
|
||
|
return response
|
||
|
|
||
|
|
||
|
@app.errorhandler(404)
|
||
|
def page_not_found(error):
|
||
|
"""Custom 404 page."""
|
||
|
return render_template('404.html'), 404
|
||
|
|
||
|
@socketio.on('new_message')
|
||
|
def new_message(message):
|
||
|
# Send message to alls users
|
||
|
print("new message")
|
||
|
emit('channel-' + str(message['channel']), {
|
||
|
'username': message['username'],
|
||
|
'text': message['text'],
|
||
|
'time': str(datetime.datetime.utcnow().strftime("%d.%m.%Y %H:%M"))
|
||
|
},
|
||
|
broadcast=True
|
||
|
)
|
||
|
# Save message
|
||
|
my_new_chat = Chat(
|
||
|
message=message['text']
|
||
|
)
|
||
|
db.session.add(my_new_chat)
|
||
|
try:
|
||
|
db.session.commit()
|
||
|
except:
|
||
|
db.session.rollback()
|
||
|
|
||
|
|
||
|
|
||
|
if __name__ == '__main__':
|
||
|
socketio.run(app)
|
||
|
#app.run(debug=True,host="0.0.0.0",port="8080")
|