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103 lines
3.1 KiB
Python
103 lines
3.1 KiB
Python
# THE LIBRARY #
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from itertools import groupby # to handle complex iterations
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import os
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import sqlite3
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from flask import Flask, render_template, url_for, request, redirect, flash
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# ----- functions ----- #
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def get_db_connection():
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conn = sqlite3.connect('library.db')
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conn.row_factory = sqlite3.Row
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return conn
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# Added row_factory attribute to the sqlite connection, in this way you can have name-based access to columns; this means that the database connection will return rows that behave like regular Python dictionaries.
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# ----- FLASK ----- #
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class PrefixMiddleware(object):
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def __init__(self, app, prefix=""):
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self.app = app
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self.prefix = prefix
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def __call__(self, environ, start_response):
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if environ["PATH_INFO"].startswith(self.prefix):
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environ["PATH_INFO"] = environ["PATH_INFO"][len(self.prefix):]
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environ["SCRIPT_NAME"] = self.prefix
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return self.app(environ, start_response)
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else:
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start_response("404", [("Content-Type", "text/plain")])
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return ["This url does not belong to the app.".encode()]
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app = Flask(__name__)
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# register the middleware to prefix all the requests with our base_url
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app.wsgi_app = PrefixMiddleware(app.wsgi_app, prefix='/soupboat/library')
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@app.route("/")
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def home():
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conn = get_db_connection()
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todos = conn.execute('SELECT c.content, cat.title FROM cards c JOIN categories cat \
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ON c.category_id = cat.id ORDER BY cat.title').fetchall()
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categories = {}
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# for each category and group of cards for each cat in groupby() grouper object
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for k, g in groupby(todos, key=lambda t: t['title']):
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categories[k] = list(g)
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print(categories[k])
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for cat, cards in categories.items(): # ♥ .items is a build in attribute of the dictionary(?)
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print(cat)
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for card in cards:
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print(' ', card['content'])
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# if request.method == 'POST':
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# title = request.form.get('title')
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# author = request.form.get('author')
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# description = request.form.get('description')
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# add_book(author, title, description)
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# return redirect(url_for('home'))
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return render_template('home.html', categories=categories)
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@app.route("/add/", methods=['GET', 'POST'])
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def create():
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conn = get_db_connection()
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if request.method == 'POST':
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content = request.form['content']
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cat_title = request.form['cat']
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if not content:
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flash('plz write a content!')
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return redirect(url_for('home'))
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cat_id = conn.execute('SELECT id FROM categories WHERE title = (?);',
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(cat_title,)).fetchone()['id']
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conn.execute('INSERT INTO cards (content, category_id) VALUES (?,?)',
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(content, cat_title))
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conn.commit()
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conn.close()
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return redirect(url_for('home'))
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categories = conn.execute('SELECT title FROM categories;').fetchall()
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conn.close()
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return render_template('create.html', categories=categories)
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# app.run(port=3148)
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# TODO:
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# - list the cards
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# - put its category inside
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