Initial commit.
This commit is contained in:
Marc-AntoineA
commit
7d5f0cdaf1
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require 'json'
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require 'down'
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require 'fileutils'
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require 'date'
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Jekyll::Hooks.register :site, :after_init do |site|
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puts "Cleaning #{site.config['mobilizon_cachedir']} folder"
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FileUtils.rm_rf(site.config['mobilizon_cachedir'])
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end
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module Jekyll
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class MobilizonAgenda < Liquid::Block
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def initialize(tag_name, markup, parse_context)
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super
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@markup = markup
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@attributes = {}
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end
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def fetch_and_thumbnail_image(site, url, cache_dir)
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cache_name = url.gsub /[\ :\/\?=]+/, '_'
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cache_dir_media = File.join cache_dir, 'media'
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cache_path = File.join cache_dir_media, cache_name
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if File.exist? cache_path
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return
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end
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tempfile = Down.download(url)
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puts "Thumbnailing #{cache_name}"
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image = MiniMagick::Image.open(tempfile.path)
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# Always strip meta
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image.strip
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image.resize "540x300^" # au moins 540 en largeur et 300 en hauteur
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FileUtils.mkdir_p cache_dir_media unless Dir.exists? cache_dir_media
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image.write cache_path
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# https://stackoverflow.com/questions/12124821/how-to-generate-files-from-liquid-blocks-in-jekyll
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# Et https://patmurray.co/words/jekyll-open-graph-images
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# Add the file to the list of static_files needed to be copied to the _site
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site.static_files << Jekyll::StaticFile.new(site, site.source, File.join(site.config['mobilizon_cachedir'], 'media'), cache_name)
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end # def fetch_and_thumbnail_image
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def fetch_mobilizon(url, groups)
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puts "Mobilizon crawler \n"
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client = Graphlient::Client.new(url,
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headers: {
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},
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http_options: {
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read_timeout: 20,
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write_timeout: 30
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}
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)
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$today = DateTime.now().iso8601(2)
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$events = Array.new()
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for $group in groups
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query_nb_events = client.parse <<~GRAPHQL
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query($group: String!) {
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group(preferredUsername: $group) {
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organizedEvents {
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total,
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}
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}
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}
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GRAPHQL
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response = client.execute query_nb_events, group: $group
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$nb_events = response.data.group.organized_events.total
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if $nb_events == 0
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next
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end
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$nb_pages = ($nb_events / 10.0).ceil
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for $page in 1..$nb_pages
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query = client.parse <<~GRAPHQL
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query($page: Int, $group: String!, $afterDatetime: DateTime) {
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group(preferredUsername: $group) {
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organizedEvents(page: $page, afterDatetime: $afterDatetime){
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elements {
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title,
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url,
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beginsOn,
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endsOn,
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attributedTo {
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avatar {
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url,
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}
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name,
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preferredUsername,
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},
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description,
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onlineAddress,
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physicalAddress {
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locality,
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description,
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region
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},
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tags {
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title,
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id,
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slug
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},
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picture {
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url
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},
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},
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}
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}
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}
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GRAPHQL
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response = client.execute query, page: $page, group: $group, afterDatetime: $today
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for $event in response.data.group.organized_events.elements
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$events.push $event.to_h
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end
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end
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end
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$size = $events.size
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puts "Crawling ended: #$size events crawled"
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return $events
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end # def
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def fetch_ics_event(site, url, cache_dir)
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cache_name = url.gsub /[\ :\/\?=]+/, '_'
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cache_path = File.join cache_dir, '_ics', cache_name
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if !File.exist? cache_path
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puts "Fetching ics #{url}"
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tempfile = Down.download(url)
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FileUtils.mkdir_p (cache_dir + '/_ics') unless Dir.exists? (cache_dir + '/_ics')
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FileUtils.mv tempfile.path, cache_path
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end
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cal_file = File.open cache_path
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cals = Icalendar::Calendar.parse cal_file
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cal = cals.first
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event = cal.events.first
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event
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end # def fetch_or_
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def create_icalendar(site, events, pageUrl)
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cache_dir = File.join site.source, site.config['mobilizon_cachedir']
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filename = pageUrl[1..-2].gsub(/[:\/]+/, '_') + '.ics'
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cache_path = File.join cache_dir, 'calendar', filename
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if File.exist? cache_path
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return
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end
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puts "Creating icalendar for #{pageUrl}"
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cal = Icalendar::Calendar.new
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# ugly
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cal.timezone do |t|
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t.tzid = "Europe/Paris"
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t.daylight do |d|
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d.tzoffsetfrom = "+0100"
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d.tzoffsetto = "+0200"
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d.tzname = "CEST"
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d.dtstart = "19700329T020000"
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d.rrule = "FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU"
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end
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t.standard do |s|
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s.tzoffsetfrom = "+0200"
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s.tzoffsetto = "+0100"
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s.tzname = "CET"
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s.dtstart = "19701025T030000"
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s.rrule = "FREQ=YEARLY;BYMONTH=01;BYDAY=1SU"
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end
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end
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for $event in events
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if $event['url']
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cal.events.push fetch_ics_event(site, $event['url'] + '/export/ics', cache_dir)
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end
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end
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cache_dir = File.join cache_dir, 'calendar'
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FileUtils.mkdir_p cache_dir unless Dir.exists? cache_dir
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File.open(cache_path, 'w') { |file|
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file.write cal.to_ical
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}
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site.static_files << Jekyll::StaticFile.new(site, site.source, File.join(site.config['mobilizon_cachedir'], 'calendar'), filename)
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end
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def fetch_or_get_cached_events(site)
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cache_dir = File.join site.source, site.config['mobilizon_cachedir']
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url = site.config["mobilizon_url"] + "/api"
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cache_name = url.gsub /[:\/]+/, '_'
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cache_dir_requests = File.join cache_dir, '_requests'
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cache_path = File.join cache_dir_requests, cache_name
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if File.exist? cache_path
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file = File.open(cache_path)
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cache = JSON.load file
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file.close
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else
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cache = fetch_mobilizon(url, site.config['mobilizon_whitelist'])
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FileUtils.mkdir_p cache_dir_requests unless Dir.exists? cache_dir_requests
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File.open(cache_path, 'w') { |file|
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file.write JSON.pretty_generate(cache)
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}
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file= File.open(cache_path)
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cache = JSON.load file
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for $event in cache
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if $event['picture']
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fetch_and_thumbnail_image(site, $event['picture']['url'], cache_dir)
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end
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if $event['attributedTo']['avatar']
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fetch_and_thumbnail_image(site, $event['attributedTo']['avatar']['url'], cache_dir)
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end
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end
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end
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return cache
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end # def generate
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def filter_events(events, tags_and_organizers)
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return events.select { |event| (tags_and_organizers.include? event['attributedTo']['preferredUsername']) || !(tags_and_organizers & (event['tags'].map { |tag| tag['slug'].downcase })).empty? || !(tags_and_organizers & (event['tags'].map { |tag| tag['title'].downcase })).empty? }
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end # def filter_events
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def change_to_timezone(string_date, timezone)
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date = DateTime.iso8601(string_date)
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.in_time_zone(timezone)
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date.iso8601(2)
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end
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def render(context)
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context.registers[:ical] ||= Hash.new(0)
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result = []
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context.stack do
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site = context.registers[:site]
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return unless site.config['mobilizon_fetch'] == true
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tags_and_organizers = context[@markup.strip()].split(',')
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events = fetch_or_get_cached_events(site)
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events = filter_events(events, tags_and_organizers)
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events = events.sort_by{ |event| event['beginsOn'] }
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create_icalendar(site, events, context.registers[:page]['url'])
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event_count = events.length
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if event_count == 0
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context["forloop"] = {
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"name" => "ical",
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"length" => event_count,
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"index" => 1,
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"index0" => 0,
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"rindex" => event_count,
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"rindex0" => event_count - 1,
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"first" => true,
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"last" => true,
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}
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result << nodelist.map do |n|
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if n.respond_to? :render
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n.render(context)
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else
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n
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end
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end.join
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end
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events.each_with_index do |event, index|
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context["event"] = event
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context["event"]["index"] = index
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context["event"]["beginsOn"] = change_to_timezone context["event"]["beginsOn"], site.config["mobilizon_timezone"]
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context["event"]["endsOn"] = change_to_timezone context["event"]["endsOn"], site.config["mobilizon_timezone"]
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if context["event"]["picture"]
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context["event"]["thumbnailurl"] = URI::encode(File.join site.config['mobilizon_cachedir'], "media", context["event"]["picture"]["url"].gsub(/[\ :\/\?=]+/, '_'))
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end
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if context["event"]["physicalAddress"] && context["event"]["physicalAddress"]["locality"]
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if context["event"]["physicalAddress"]["description"] == context["event"]["physicalAddress"]["locality"]
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context["event"]["location"] = context["event"]["physicalAddress"]["locality"] + ", " + context["event"]["physicalAddress"]["region"]
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else
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context["event"]["location"] = context["event"]["physicalAddress"]["description"] + ", " + context["event"]["physicalAddress"]["locality"] + ", " + context["event"]["physicalAddress"]["region"]
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end
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end
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if context["event"]["attributedTo"] && context["event"]["attributedTo"]["avatar"] && context["event"]["attributedTo"]["avatar"]["url"]
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context["event"]["organizerAvatar"] = URI::encode(
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File.join(site.config['mobilizon_cachedir'],
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"media",
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context["event"]["attributedTo"]["avatar"]["url"].gsub(/[\ :\/\?=]+/, '_')
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)
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)
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end
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if context["event"]["attributedTo"] && context["event"]["attributedTo"]["name"]
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context["event"]["organizer"] = context["event"]["attributedTo"]["name"]
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context["event"]["groupUrl"] = site.config['mobilizon_url'] + '/@' + context["event"]["attributedTo"]["preferredUsername"]
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end
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context["forloop"] = {
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"name" => "ical",
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"length" => event_count,
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"index" => index + 1,
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"index0" => index,
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"rindex" => event_count - index,
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"rindex0" => event_count - index - 1,
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"first" => (index == 0),
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"last" => (index == event_count - 1),
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}
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result << nodelist.map do |n|
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if n.respond_to? :render
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n.render(context)
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else
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n
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end
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end.join
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end
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end # context stack
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result
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end # def render
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end
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end
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Liquid::Template.register_tag('mobilizonAgenda', Jekyll::MobilizonAgenda)
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@ -0,0 +1,45 @@
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# Script to include Mobilizon into Jekyll-website
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This plugin fetches incoming events for a list of groups in a given mobilizon instance (through graphql api).
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Images are fetched too and thumbnailed with `minimagick`. It means that no requests are made to mobilizon except during website compilations.
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You can create many agendas based on `groups` and `tags` through the `mobilizonAgenda` Jekyll-tag
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**Example** You want to display all events from group `my-group` and all events with tag `my-tag` and all events with tag `my_awesome_tag` :
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```html
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{% assign options="my-group,my_tag,my_awesome_tag" %}
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{% mobilizonAgenda options %}
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{% if forloop.length == 0 %}
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<p>We did not find any event.</p>
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{% else %}
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{% include event.html
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title=event.title
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location=event.location
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start_time=event.beginsOn
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end_time=event.endsOn
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description=event.description
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url=event.url
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thumbnail=event.thumbnailurl
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organizerAvatar=event.organizerAvatar
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organizer=event.organizer
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groupUrl=event.groupUrl
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%}
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{% endif %}
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{% endmobilizonAgenda %}
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```
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## How to use it?
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Add these lines into your `_config.yml`
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```yml
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mobilizon_fetch: true # false if you want to deactivate it
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mobilizon_url: "https://mobilizon.fr"
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mobilizon_cachedir: "mobilizon" # the name of the local folder used to cache the results
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mobilizon_timezone: "Europe/Paris" # used to convert the dates
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mobilizon_whitelist: # list of the mobilizon groups you want to display on your website
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- my_group
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- my_second_group
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```
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Add `mobilizon-agenda.rb` into your `_plugins` folder.
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