agenda-libre-ruby/app/helpers/events_helper.rb

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# Helper for the event views
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module EventsHelper
def set_events_meta
set_meta_tags \
description: t('layouts.application.subtitle'),
keywords: @events.map(&:tags).join(', ').split.group_by { |i| i }
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.reject { |_k, v| v.size < 2 }.map { |k, _v| k },
DC: {
title: t('layouts.application.title'),
subject: t('layouts.application.subtitle'),
publisher: 'april'
}
end
def set_event_meta
set_meta_tags \
keywords: @event.tag_list,
DC: { title: @event.title, date: @event.start_time.to_s },
geo: {
placename: @event.city,
region: @event.region,
position: "#{@event.latitude};#{@event.longitude}",
ICBM: "#{@event.latitude}, #{@event.longitude}"
}
end
def display_date(event = @event)
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if event.start_time.to_date == event.end_time.to_date
display_sameday event
else
display_multi_days event
end
end
def display_sameday(event)
t 'date.formats.same_day',
date: l(event.start_time.to_date, format: :long),
start: l(event.start_time, format: :hours),
end: l(event.end_time, format: :hours)
end
def display_multi_days(event)
t 'date.formats.period',
start: l(event.start_time, format: :at),
end: l(event.end_time, format: :at)
end
# Select the events to display in a month, sorted
def month_events(events, date)
events.select { |e| (e.start_time.to_date..e.end_time.to_date).cover? date }
.sort_by(&:city)
end
def display_attr(item, label, value = item[label])
# return unless value
item.class.human_attribute_name(label).rjust(12) + " #{value}"
end
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# Using kramdown, let's parse the html and render it as markdown text
# No idea why, but also needs to remove extraneous quote encoding :(
def to_markdown(description, line_width = -1)
desc = sanitize description,
tags: %w[p br h1 h2 h3 h4 table tr th td ul ol li a strong
b em i sub sup],
attributes: %w[href]
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Kramdown::Document.new(desc, input: :html, line_width: line_width)
.to_kramdown
.remove(/ +$/) # Remove extraneous line feeds
.gsub(/\\([\"'])/, '\1') # Remove slash before quotes
.gsub(/(\n\n)\n+/, '\1') # Fewer line feeds
end
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end