Alice
6 years ago
3 changed files with 545 additions and 4 deletions
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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))) |
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results=results.union(db.session.query(Book).join(Book.stacks).filter(Stack.stack_name.contains(query))) |
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if results.count() == 0: |
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upload_form = UploadForm(title= query, author='') |
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return render_template('red_link.html', form=upload_form, title=query) |
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if request.method == 'POST': |
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query = search.search.data |
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results = [] |
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return redirect((url_for('search_results', searchtype=search.select.data, query=search.search.data))) |
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count = results.count() |
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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") |
Loading…
Reference in new issue