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# view posts in thread
from flask import (
Blueprint, render_template, abort, request, g, redirect,
url_for, flash
)
from markdown import markdown
from markupsafe import escape
from .db import get_db
bp = Blueprint("thread", __name__, url_prefix="/thread")
@bp.route("/<int:thread_id>")
def view_thread(thread_id):
db = get_db()
thread = db.execute("SELECT * FROM threads WHERE id = ?;",(thread_id,)).fetchone()
if thread is None:
abort(404)
else:
posts = db.execute(
"SELECT * FROM posts WHERE thread = ? ORDER BY created ASC;",
(thread_id,)
).fetchall()
rendered_posts = [markdown(escape(q['content'])) for q in posts]
return render_template("view_thread.html",posts=posts,thread=thread,thread_id=thread_id,rendered_posts=rendered_posts)
@bp.route("/<int:thread_id>/create_post", methods=("POST",))
def create_post(thread_id):
if g.user is None:
flash("you need to log in before you can post")
return redirect(url_for('thread.view_thread',thread_id=thread_id))
else:
db = get_db()
content = request.form['content']
thread = db.execute("SELECT * FROM threads WHERE id = ?;",(thread_id,)).fetchone()
if len(content.strip()) == 0:
flash("you cannot post an empty message")
elif not thread:
flash("that thread does not exist")
else:
db.execute(
"INSERT INTO posts (thread,author,content,created) VALUES (?,?,?,current_timestamp);",
(thread_id,g.user,content)
)
db.execute(
"UPDATE threads SET updated = current_timestamp WHERE id = ?;",
(thread_id,)
)
db.commit()
flash("post posted postfully")
return redirect(url_for('thread.view_thread',thread_id=thread_id))
@bp.route("/<int:thread_id>/delete_post/<int:post_id>", methods=["GET","POST"])
def delete_post(thread_id, post_id):
return f"todo (t: {thread_id}, p: {post_id})"
@bp.route("/<int:thread_id>/edit_post/<int:post_id>",methods=["GET","POST"])
def edit_post(thread_id, post_id):
if request.method == "GET":
return render_templace("edit_post.html")
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