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298 lines
11 KiB
Python
298 lines
11 KiB
Python
"""
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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, light
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from flask import Flask, Response, session, render_template, request, redirect, url_for, flash, send_from_directory, jsonify, abort
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import json
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from functools import wraps
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import os
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from sqlalchemy.sql.expression import func, select
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from sqlalchemy.sql import except_
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from sqlalchemy.ext.serializer import loads, dumps
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# from app.forms import UploadForm, EditForm, SearchForm, ChatForm, StackForm, AddtoStackForm, EditStackForm
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from app.forms import UploadText, UploadAudio
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from app.models import Location, LocationSchema
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from app.cover import get_cover
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from app.getannot import get_annotations, get_annot_results, get_annot_book
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from urllib.parse import quote as urlquote
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from app.extractText import extract_text
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from os import environ
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from flask_socketio import SocketIO, emit
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from datetime import datetime
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import time
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from csv import DictWriter, DictReader
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import io
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from sqlalchemy.inspection import inspect
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import sys
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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', "png", "mp3"])
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location_schema = LocationSchema()
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locations_schema = LocationSchema(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('/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('/', methods= ['POST','GET'])
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def home():
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username = 'librarian'
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server = request.host
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if request.environ.get('HTTP_X_FORWARDED_FOR') is None:
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client =request.environ['REMOTE_ADDR']
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else:
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client = request.environ['HTTP_X_FORWARDED_FOR']
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locations = db.session.query(Location).all()
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serialized = [location_schema.dump(location) for location in locations]
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print(locations)
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return render_template('home.html',domain=DOMAIN, server=server, locations = locations, data_locations = serialized)
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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('/addlocation', methods=['POST', 'GET'])
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def add_location():
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if request.method == 'POST':
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data = request.get_json()
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print("UPDATING DATA")
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print(data['longitude'])
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location = Location(data['longitude'],data['latitude'], "mosquito", "", "")
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db.session.add(location)
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db.session.commit()
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return redirect(url_for('home'))
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@app.route('/addtext', methods=['POST', 'GET'])
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def addtext():
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upload_form = UploadText()
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longitude = request.args.get('longitude')
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latitude = request.args.get('latitude')
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print(longitude)
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print(latitude)
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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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message = upload_form.message.data
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longitude = upload_form.longitude.data
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latitude = upload_form.latitude.data
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location = Location(longitude,latitude, "message", message, "");
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db.session.add(location)
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db.session.commit()
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return redirect(url_for('home'))
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return render_template('addtext.html', form=upload_form, longitude=longitude, latitude=latitude)
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@app.route('/addaudio', methods=['POST', 'GET'])
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def addaudio():
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upload_form = UploadAudio()
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if request.method == 'GET':
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longitude = request.args.get('longitude')
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latitude = request.args.get('latitude')
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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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message = upload_form.message.data
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longitude = upload_form.longitude.data
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latitude = upload_form.latitude.data
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file = request.files['file']
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print(file.filename)
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locations = db.session.query(Location).all()
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id = len(locations)+1
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# Getting the current date and time
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dt = datetime.now()
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# getting the timestamp
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ts = datetime.timestamp(dt)
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filename = str(id) + "_" + str(ts) +"_"+ secure_filename(file.filename)
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fullpath = os.path.join(app.config['UPLOAD_FOLDER'], filename)
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file.save(fullpath)
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#add to database
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location = Location(longitude,latitude, "audio", message, filename);
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db.session.add(location)
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db.session.commit()
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return redirect(url_for('home'))
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return render_template('addaudio.html', form=upload_form, longitude=longitude, latitude=latitude)
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@app.route('/location/<int:id>/delete', methods=['POST', 'GET'])
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def delete_location(id):
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if request.method == 'GET':
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Location.query.filter_by(id=id).delete()
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db.session.commit()
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return redirect(url_for('home'))
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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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all_instances = db.session.query(Instance).all()
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previousbook = Book.query.filter_by(id=id - 1).first()
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nextbook = Book.query.filter_by(id=id + 1).first()
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allbooks = db.session.query(Book).all()
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edge = len(allbooks)
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if id == 1:
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previousbook = None
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if id == edge:
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nextbook = None
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name= book.file
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annot = get_annotations()
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res = get_annot_book(annot,name)
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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, light=light)
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else:
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return render_template('show_book_detail.html', book=book, previousbook = previousbook, nextbook = nextbook, all_instances=all_instances, name=name, annot=annot, res=res, light=light)
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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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allbooks = db.session.query(Book).all()
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books_all = len(allbooks)
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allauthors = db.session.query(Author).all()
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authors_all = len(allauthors)
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stacks_all = [s.stack_name for s in db.session.query(Stack.stack_name)]
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categories = [r.category for r in db.session.query(Book.category).distinct()]
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allpotential = db.session.query(Book).filter(Book.file.contains('potential.pdf')).all()
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books_potential = len(allpotential)
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earliest = db.session.query(func.min(Book.year_published)).scalar()
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latest = db.session.query(func.max(Book.year_published)).scalar()
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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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message = upload_form.message.data
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year_published = upload_form.year_published.data
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sameness = upload_form.sameness.data
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gender = upload_form.gender.data
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diversity = upload_form.diversity.data
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who = upload_form.who.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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allbooks = db.session.query(Book).all()
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id = len(allbooks)+1
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filename = str(id) + "_" + secure_filename(file.filename)
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fullpath = os.path.join(app.config['UPLOAD_FOLDER'], filename)
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name, file_extension = os.path.splitext(filename)
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file.save(fullpath)
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cover = get_cover(fullpath, name)
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extract_text(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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#pdf generator
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filename = 'potential.pdf'
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file_extension = '.pdf'
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cover= 'default_cover.gif'
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ptitle = upload_form.title.data
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pbook = Potential(ptitle)
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db.session.add(pbook)
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db.session.commit()
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pbooks = Potential.query.all()
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template = 'app/templates/potential_pdf.html'
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html_string = render_template('potential_pdf.html', pbooks = pbooks)
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html = HTML(string=html_string)
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html.write_pdf(target='app/uploads/potential.pdf');
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book = Book(title, filename, cover, file_extension, category, year_published, message, sameness, diversity, gender, who)
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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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i = Instance(request.host, "add")
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existing_ip = db.session.query(Instance).filter_by(ip=request.host).first()
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if existing_ip:
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i.name = existing_ip.name
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book.instances.append(i)
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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, books_all=books_all, authors_all=authors_all, categories=categories, stacks_all=stacks_all, books_potential=books_potential, earliest=earliest, latest=latest, light=light)
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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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if __name__ == '__main__':
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# socketio.run(app)
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app.run(debug=True,host="0.0.0.0",port="8080")
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