git ssb

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#!/usr/bin/python3
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__copyright__ = """
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	Scuttleblog
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	Copyright (C) 2017 Greg K Nicholson
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	This program is free software: you can redistribute it and/or modify
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	it under the terms of the GNU Affero General Public License as published by
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	the Free Software Foundation, either version 3 of the License, or
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	(at your option) any later version.
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	This program is distributed in the hope that it will be useful,
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	but WITHOUT ANY WARRANTY; without even the implied warranty of
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	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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	GNU Affero General Public License for more details.
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	You should have received a copy of the GNU Affero General Public License
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	along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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import datetime
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import json
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import os
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import re
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import time
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import subprocess
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import conf
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def run_sbot():
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	for attempt in range(100):
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		try:
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			subprocess.check_output(['sbot', 'status'])
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		except:
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			pid = subprocess.Popen(['sbot', 'server']).pid
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			time.sleep(1)
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		else:
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			break
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def get_user_posts(userid):
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	user_posts_args = ['sbot', 'createUserStream', '--id', userid]
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	json_posts_args = ['json', '--group', '-c', 'this.value.content.type == "post"', '-c', 'this.value.content.root == null']
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	user_posts_stream = subprocess.Popen(user_posts_args, stdout = subprocess.PIPE)
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	user_posts_json = subprocess.check_output(json_posts_args, stdin = user_posts_stream.stdout)
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	user_posts = json.loads(user_posts_json)
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	return user_posts
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def define_post_title(text):
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	title = text.strip().splitlines()[0]
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	title = re.sub('^\W+', '', title)
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	titleparts = re.split('([.?!\[\])', title)
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	return titleparts[0] + titleparts[1] if len(titleparts) > 1 else titleparts[0]
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def build_post_structure(p):
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	post = {}
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	post['frontmatter'] = {}
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	post['frontmatter']['key'] = p['key']
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	post['frontmatter']['title'] = define_post_title(p['value']['content']['text'])
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	post['frontmatter']['date'] = datetime.datetime.fromtimestamp(int(p['value']['timestamp'] / 1000), datetime.timezone.utc).strftime('%Y-%m-%dT%H:%M:%SZ')
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	post['frontmatter']['sequence'] = p['value']['sequence']
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	post['text'] = p['value']['content']['text']
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	return (post)
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def format_post_file(post):
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	content = ''
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	content += str(json.dumps(post['frontmatter'], indent = 4))
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	content += '\n\n'
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	content += str(post['text'])
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	return content
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def define_post_filename(post):
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	folder = 'hugo/content/posts'
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	#slug = post['key'].replace('+','-').replace('/','_').replace('=.sha256','')
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	slug = str(post['frontmatter']['sequence'])
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	filetype = 'md'
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	return folder + '/' + slug + '.' + filetype
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def write_post_file(post):
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	os.makedirs(os.path.dirname(define_post_filename(post)), exist_ok=True)
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	with open(define_post_filename(post), 'w') as f:
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		f.write (format_post_file(post))
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def write_posts_from_user(userid):
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	posts = get_user_posts(userid)
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	for post in posts:
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		write_post_file(build_post_structure(post))
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def get_user_metadata(userid):
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	user_metadata_args = ['sbot', 'links', '--source', userid, '--dest', userid, '--rel', 'about', '--values']
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	json_metadata_args = ['json', '--deep-merge', '-c', 'this.value.content.type == "about"']
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	user_metadata_stream = subprocess.Popen(user_metadata_args, stdout = subprocess.PIPE)
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	user_metadata_json = subprocess.check_output(json_metadata_args, stdin = user_metadata_stream.stdout)
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	user_metadata = json.loads(user_metadata_json)
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	return user_metadata
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def build_hugo_config(m):
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	hugo_config = {}
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	hugo_config['title'] = m['value']['content']['name']
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	hugo_config['theme'] = 'ananke'	# FIXME
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	hugo_config['params'] = {}
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	hugo_config['params']['subtitle'] = m['value']['content']['description'].replace('\n', ' ')
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	return (hugo_config)
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def write_hugo_config_from_user(userid):
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	metadata = get_user_metadata(userid)
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	with open('hugo/config.json', 'w') as f:
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		f.write (json.dumps(build_hugo_config(metadata), indent = 4))
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	# TODO: add the user's image in the right place
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def run_hugo():
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	subprocess.run(['hugo', '-s', 'hugo'])
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run_sbot()
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write_posts_from_user(conf.userid)
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write_hugo_config_from_user(conf.userid)
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run_hugo()
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