144 lines
3.9 KiB
Ruby
144 lines
3.9 KiB
Ruby
# Copyright (c) 2010, Diaspora Inc. This file is
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# licensed under the Affero General Public License version 3 or later. See
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# the COPYRIGHT file.
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class StatusMessage < Post
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include Diaspora::Socketable
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include YoutubeTitles
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require File.join(Rails.root, 'lib/youtube_titles')
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include ActionView::Helpers::TextHelper
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acts_as_taggable_on :tags
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validates_length_of :message, :maximum => 1000, :text => "please make your status messages less than 1000 characters"
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xml_name :status_message
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xml_attr :raw_message
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has_many :photos, :dependent => :destroy
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validate :message_or_photos_present?
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attr_accessible :text
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serialize :youtube_titles, Hash
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before_save do
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get_youtube_title text
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end
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before_create :build_tags
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def message(opts = {})
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self.formatted_message(opts)
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end
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def raw_message
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read_attribute(:text)
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end
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def raw_message=(text)
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write_attribute(:text, text)
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end
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def formatted_message(opts={})
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return self.raw_message unless self.raw_message
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escaped_message = opts[:plain_text] ? self.raw_message: ERB::Util.h(self.raw_message)
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mentioned_message = self.format_mentions(escaped_message, opts)
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self.format_tags(mentioned_message, opts)
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end
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def format_tags(text, opts={})
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return text if opts[:plain_text]
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regex = /(^|\s)#(\w+)/
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form_message = text.gsub(regex) do |matched_string|
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"#{$~[1]}<a href=\"/p?tag=#{$~[2]}\" class=\"tag\">##{ERB::Util.h($~[2])}</a>"
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end
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form_message
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end
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def format_mentions(text, opts = {})
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people = self.mentioned_people
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regex = /@\{([^;]+); ([^\}]+)\}/
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form_message = text.gsub(regex) do |matched_string|
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person = people.detect{ |p|
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p.diaspora_handle == $~[2] unless p.nil?
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}
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if opts[:plain_text]
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person ? ERB::Util.h(person.name) : ERB::Util.h($~[1])
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else
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person ? "<a href=\"/people/#{person.id}\" class=\"mention\">@#{ERB::Util.h(person.name)}</a>" : ERB::Util.h($~[1])
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end
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end
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form_message
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end
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def mentioned_people
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if self.persisted?
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create_mentions if self.mentions.empty?
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self.mentions.includes(:person => :profile).map{ |mention| mention.person }
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else
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mentioned_people_from_string
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end
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end
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def create_mentions
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mentioned_people_from_string.each do |person|
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self.mentions.create(:person => person)
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end
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end
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def mentions?(person)
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mentioned_people.include? person
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end
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def notify_person(person)
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self.mentions.where(:person_id => person.id).first.try(:notify_recipient)
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end
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def mentioned_people_from_string
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regex = /@\{([^;]+); ([^\}]+)\}/
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identifiers = self.raw_message.scan(regex).map do |match|
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match.last
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end
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identifiers.empty? ? [] : Person.where(:diaspora_handle => identifiers)
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end
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def build_tags
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self.tag_list = tag_strings
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end
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def tag_strings
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regex = /(?:^|\s)#(\w+)/
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matches = self.raw_message.scan(regex).map do |match|
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match.last
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end
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unique_matches = matches.inject(Hash.new) do |h,element|
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h[element.downcase] = element unless h[element.downcase]
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h
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end
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unique_matches.values
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end
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def to_activity
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<<-XML
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<entry>
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<title>#{x(self.formatted_message(:plain_text => true))}</title>
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<content>#{x(self.formatted_message(:plain_text => true))}</content>
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<link rel="alternate" type="text/html" href="#{self.author.url}p/#{self.id}"/>
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<id>#{self.author.url}posts/#{self.id}</id>
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<published>#{self.created_at.xmlschema}</published>
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<updated>#{self.updated_at.xmlschema}</updated>
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<activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
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<activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
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</entry>
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XML
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end
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protected
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def message_or_photos_present?
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if self.text.blank? && self.photos == []
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errors[:base] << 'Status message requires a message or at least one photo'
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end
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end
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end
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