# File _plugins/jekyll-topic-filter.rb, line 1090
def fetch_tutorial_material(site, topic_name, page_name)
  TopicFilter.fetch_tutorial_material(site, topic_name, page_name)
end

# File _plugins/jekyll-topic-filter.rb, line 1094
def fetch_tutorial_material_by_id(site, id)
  TopicFilter.fetch_tutorial_material(site, id.split('/')[0], id.split('/')[1])
end

# File _plugins/jekyll-topic-filter.rb, line 1179
def findDuration(duration)
  if ! duration.nil?
    eval(duration.gsub(/H/, ' * 3600 + ').gsub(/M/, ' * 60 + ').gsub(/S/, ' + ') + " 0")
  else
    0
  end
end

# File _plugins/jekyll-topic-filter.rb, line 1204
def get_workflow(site, page, workflow)
  mat = to_material(site, page)
  mat['workflows'].select { |w| w['workflow'] == workflow }[0]
end

# File _plugins/jekyll-topic-filter.rb, line 1164
def identify_contributors(materials, site)
  TopicFilter.identify_contributors(materials, site)
end

# File _plugins/jekyll-topic-filter.rb, line 1168
def identify_funders(materials, site)
  TopicFilter.identify_funders_and_grants(materials, site)
end

# File _plugins/jekyll-topic-filter.rb, line 1152
def list_all_tags(site)
  TopicFilter.list_all_tags(site)
end

# File _plugins/jekyll-topic-filter.rb, line 1192
def list_draft_materials(site)
  TopicFilter.list_all_materials(site).select { |k, _v| k['draft'] }
end

# File _plugins/jekyll-topic-filter.rb, line 1136
def list_materials_by_tool(site)
  TopicFilter.list_materials_by_tool(site)
end

# File _plugins/jekyll-topic-filter.rb, line 1144
def list_materials_flat(site, topic_name)
  TopicFilter
    .list_materials_structured(site, topic_name)
    .map { |k, v| v['materials'] }
    .flatten
    .uniq { |x| x['id'] }
end

# File _plugins/jekyll-topic-filter.rb, line 1140
def list_materials_structured(site, topic_name)
  TopicFilter.list_materials_structured(site, topic_name)
end

# File _plugins/jekyll-topic-filter.rb, line 1106
def list_topics_by_category(site, category)
  q = TopicFilter.list_topics(site).map do |k|
    [k, site.data[k]]
  end

  # Alllow filtering by a category, or return "all" otherwise.
  if category == 'non-tag'
    q = q.select { |_k, v| v['tag_based'].nil? }
  elsif category == 'science'
    q = q.select { |_k, v| %w[use basics].include? v['type'] }
  elsif category == 'technical'
    q = q.select { |_k, v| %w[admin-dev data-science instructors].include? v['type'] }
  elsif category == 'science-technical'
    q = q.select { |_k, v| %w[use basics admin-dev data-science instructors].include? v['type'] }
  elsif category != 'all'
    q = q.select { |_k, v| v['type'] == category }
  end

  # Sort alphabetically by titles
  q.sort { |a, b| a[1]['title'] <=> b[1]['title'] }
end

# File _plugins/jekyll-topic-filter.rb, line 1102
def list_topics_h(site)
  TopicFilter.list_topics(site)
end

# File _plugins/jekyll-topic-filter.rb, line 1098
def list_topics_ids(site)
  ['introduction'] + TopicFilter.list_topics(site).filter { |k| k != 'introduction' }
end

# File _plugins/jekyll-topic-filter.rb, line 1172
def list_videos(site)
  TopicFilter.list_all_materials(site)
    .select { |k, _v| k['recordings'] || k['slides_recordings'] }
    .map { |k, _v| (k['recordings'] || []) + (k['slides_recordings'] || []) }
    .flatten
end

# File _plugins/jekyll-topic-filter.rb, line 1187
def list_videos_total_time(site)
  vids = list_videos(site)
  vids.map { |v| findDuration(v['length']) }.sum / 3600.0
end

# File _plugins/jekyll-topic-filter.rb, line 1021
def most_recent_contributors(contributors, count)
  # Remove non-hof
  hof = contributors.reject { |_k, v| v.fetch('halloffame', 'yes') == 'no' }
  # Get keys + sort by joined date
  hof_k = hof.keys.sort do |x, y|
    hof[y].fetch('joined', '2016-01') <=> hof[x].fetch('joined', '2016-01')
  end

  # Transform back into hash
  hof_k.slice(0, count).to_h { |k| [k, hof[k]] }
end

# File _plugins/jekyll-topic-filter.rb, line 1043
def recently_modified_tutorials(site, exclude_recently_published: true)
  tutorials = site.pages.select { |page| page.data['layout'] == 'tutorial_hands_on' }

  latest = tutorials.sort do |x, y|
    Gtn::ModificationTimes.obtain_time(y.path) <=> Gtn::ModificationTimes.obtain_time(x.path)
  end

  latest_published = recently_published_tutorials(site)
  latest = latest.reject { |x| latest_published.include?(x) } if exclude_recently_published

  latest.slice(0, 10)
end

# File _plugins/jekyll-topic-filter.rb, line 1064
def recently_published_tutorials(site)
  tutorials = site.pages.select { |page| page.data['layout'] == 'tutorial_hands_on' }

  latest = tutorials.sort do |x, y|
    Gtn::PublicationTimes.obtain_time(y.path) <=> Gtn::PublicationTimes.obtain_time(x.path)
  end

  latest.slice(0, 10)
end

# File _plugins/jekyll-topic-filter.rb, line 1128
def to_keys(arr)
  arr.map { |k| k[0] }
end

# File _plugins/jekyll-topic-filter.rb, line 1196
def to_material(site, page)
  topic = page['path'].split('/')[1]
  material = page['path'].split('/')[3]
  ret = TopicFilter.fetch_tutorial_material(site, topic, material)
  Jekyll.logger.warn "Could not find material #{topic} #{material}" if ret.nil?
  ret
end

# File _plugins/jekyll-topic-filter.rb, line 1132
def to_vals(arr)
  arr.map { |k| k[1] }
end

# File _plugins/jekyll-topic-filter.rb, line 1074
def topic_count(resources)
  # Count lines in the table except introduction slides
  resources.length
end

# File _plugins/jekyll-topic-filter.rb, line 1156
def topic_filter(site, topic_name)
  TopicFilter.topic_filter(site, topic_name)
end

# File _plugins/jekyll-topic-filter.rb, line 1160
def topic_filter_tutorial_count(site, topic_name)
  TopicFilter.topic_filter(site, topic_name).length
end