110 lines
2.9 KiB
Python
110 lines
2.9 KiB
Python
from flask import (
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Blueprint, flash, g, redirect, render_template, request, url_for
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)
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from werkzeug.exceptions import abort
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from flaskr.auth import login_required
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from flaskr.db import get_db
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import markdown
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import datetime
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bp = Blueprint('blog', __name__)
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@bp.route('/')
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def index():
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db = get_db()
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db_posts = db.execute(
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'SELECT p.id, title, body, created, author_id, username'
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' FROM post p JOIN user u ON p.author_id = u.id'
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' ORDER BY created DESC'
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).fetchall()
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posts = []
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for post in db_posts:
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if post['created'] > datetime.datetime.utcnow():
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continue
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post = dict(post)
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post['body'] = markdown.markdown(post['body'])
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posts.append(post)
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return render_template('blog/index.html', posts=posts)
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@bp.route('/create',methods=('GET', 'POST'))
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@login_required
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def create():
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if request.method == 'POST':
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title = request.form['title']
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body = request.form['body']
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error = None
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if not title:
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error = 'Title is required.'
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if error is not None:
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flash(error)
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else:
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db = get_db()
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db.execute(
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'INSERT INTO post (title, body, author_id)'
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' VALUES (?, ?, ?)',
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(title, body, g.user['id'])
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)
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db.commit()
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return redirect(url_for('blog.index'))
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return render_template('blog/create.html')
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def get_post(id, check_author=True):
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post = get_db().execute(
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'SELECT p.id, title, body, created, author_id, username'
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' FROM post p JOIN user u ON p.author_id = u.id'
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' WHERE p.id = ?',
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(id,)
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).fetchone()
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if post is None:
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abort(404, f"Post id {id} doesn't exist.")
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if check_author and post['author_id'] != g.user['id']:
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abort(403)
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return post
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@bp.route('/<int:id>/update', methods=('GET', 'POST'))
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@login_required
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def update(id):
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post = get_post(id)
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if request.method == 'POST':
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title = request.form['title']
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body = request.form['body']
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created = request.form['created']
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error = None
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if not title:
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error = 'Title is required.'
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if not created:
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error = "Created is required."
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if error is not None:
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flash(error)
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else:
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db = get_db()
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db.execute(
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'UPDATE post SET title = ?, body = ?, created = ?'
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' WHERE id = ?',
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(title, body, created, id)
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)
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db.commit()
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return redirect(url_for('blog.index'))
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return render_template('blog/update.html', post=post)
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@bp.route('/<int:id>/delete', methods=('POST',))
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@login_required
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def delete(id):
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get_post(id)
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db = get_db()
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db.execute('DELETE FROM post WHERE id = ?',(id,))
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db.commit()
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return redirect(url_for('blog.index'))
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