amanuensis/amanuensis/server/session/editor.py

140 lines
3.8 KiB
Python

"""
Handler helper functions pertaining to the article editor
"""
import json
import uuid
from flask import (
flash, redirect, url_for, render_template, Markup)
from flask_login import current_user
from amanuensis.lexicon import (
get_player_characters,
get_player_drafts,
get_draft,
title_constraint_analysis,
content_constraint_analysis)
from amanuensis.models import LexiconModel
from amanuensis.parser import (
normalize_title,
parse_raw_markdown,
PreviewHtmlRenderer)
def load_editor(lexicon: LexiconModel, aid: str):
"""
Load the editor page
"""
if aid:
# Article specfied, load editor in edit mode
article = get_draft(lexicon, aid)
if not article:
flash("Draft not found")
return redirect(url_for('session.session', name=lexicon.cfg.name))
# Check that the player owns this article
character = lexicon.cfg.character.get(article.character)
if character.player != current_user.uid:
flash("Access forbidden")
return redirect(url_for('session.session', name=lexicon.cfg.name))
return render_template(
'session.editor.jinja',
character=character,
article=article,
jsonfmt=lambda obj: Markup(json.dumps(obj)))
# Article not specified, load editor in load mode
characters = list(get_player_characters(lexicon, current_user.uid))
articles = list(get_player_drafts(lexicon, current_user.uid))
return render_template(
'session.editor.jinja',
characters=characters,
articles=articles)
def new_draft(lexicon: LexiconModel, cid: str):
"""
Create a new draft and open it in the editor
"""
if cid:
new_aid = uuid.uuid4().hex
# TODO harden this
character = lexicon.cfg.character.get(cid)
article = {
"version": "0",
"aid": new_aid,
"lexicon": lexicon.lid,
"character": cid,
"title": "",
"turn": 1,
"status": {
"ready": False,
"approved": False
},
"contents": f"\n\n{character.signature}",
}
filename = f"{cid}.{new_aid}"
with lexicon.ctx.draft.new(filename) as j:
j.update(article)
return redirect(url_for(
'session.editor',
name=lexicon.cfg.name,
cid=cid,
aid=new_aid))
# Character not specified
flash('Character not found')
return redirect(url_for('session.session', name=lexicon.cfg.name))
def update_draft(lexicon: LexiconModel, article_json):
"""
Update a draft and perform analysis on it
"""
# Check if the update is permitted
aid = article_json.get('aid')
article = get_draft(lexicon, aid)
if not article:
raise ValueError("missing article")
if lexicon.cfg.character.get(article.character).player != current_user.uid:
return ValueError("bad user")
if article.status.approved:
raise ValueError("bad status")
# Perform the update
title = article_json.get('title')
contents = article_json.get('contents')
status = article_json.get('status')
parsed = parse_raw_markdown(contents)
# HTML parsing
preview = parsed.render(PreviewHtmlRenderer(lexicon))
# Constraint analysis
title_infos, title_warnings, title_errors = title_constraint_analysis(
lexicon, current_user, article.character, title)
content_infos, content_warnings, content_errors = content_constraint_analysis(
lexicon, current_user, article.character, parsed)
if any(title_errors) or any(content_errors):
status['ready'] = False
# Article update
filename = f'{article.character}.{aid}'
with lexicon.ctx.draft.edit(filename) as draft:
draft.title = normalize_title(title)
draft.contents = contents
draft.status.ready = status.get('ready', False)
# Return canonical information to editor
return {
'title': draft.title,
'status': {
'ready': draft.status.ready,
'approved': draft.status.approved,
},
'rendered': preview.contents,
'citations': preview.citations,
'info': title_infos + content_infos,
'warning': title_warnings + content_warnings,
'error': title_errors + content_errors,
}