105 lines
3.3 KiB
Ruby
105 lines
3.3 KiB
Ruby
# Copyright (c) 2010-2011, 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 AspectStream
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attr_reader :max_time, :order
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# @param user [User]
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# @param inputted_aspect_ids [Array<Integer>] Ids of aspects for given stream
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# @param aspect_ids [Array<Integer>] Aspects this stream is responsible for
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# @opt max_time [Integer] Unix timestamp of stream's post ceiling
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# @opt order [String] Order of posts (i.e. 'created_at', 'updated_at')
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# @return [void]
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def initialize(user, inputted_aspect_ids, opts={})
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@user = user
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@inputted_aspect_ids = inputted_aspect_ids
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@max_time = opts[:max_time]
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@order = opts[:order]
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end
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# Filters aspects given the stream's aspect ids on initialization and the user.
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# Will disclude aspects from inputted aspect ids if user is not associated with their
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# target aspects.
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#
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# @return [ActiveRecord::Association<Aspect>] Filtered aspects given the stream's user
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def aspects
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@aspects ||= lambda do
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a = @user.aspects
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a = a.where(:id => @inputted_aspect_ids) if @inputted_aspect_ids.length > 0
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a
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end.call
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end
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# Maps ids into an array from #aspects
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#
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# @return [Array<Integer>] Aspect ids
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def aspect_ids
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@aspect_ids ||= aspects.map { |a| a.id }
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end
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# @return [ActiveRecord::Association<Post>] AR association of posts
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def posts
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# NOTE(this should be something like Post.all_for_stream(@user, aspect_ids, {}) that calls visible_posts
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@posts ||= @user.visible_posts(:by_members_of => aspect_ids,
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:type => ['StatusMessage', 'Reshare', 'ActivityStreams::Photo'],
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:order => "#{@order} DESC",
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:max_time => @max_time
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).includes(:mentions => {:person => :profile}, :author => :profile)
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end
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# @return [ActiveRecord::Association<Person>] AR association of people within stream's given aspects
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def people
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@people ||= Person.all_from_aspects(aspect_ids, @user).includes(:profile)
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end
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def link(opts={})
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Rails.application.routes.url_helpers.aspects_path(opts.merge(:a_ids => aspect_ids))
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end
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# The first aspect in #aspects, given the stream is not for all aspects, or #aspects size is 1
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# @note aspects.first is used for mobile. NOTE(this is a hack and should be fixed)
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# @return [Aspect,Symbol]
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def aspect
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if !for_all_aspects? || aspects.size == 1
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aspects.first
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end
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end
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def ajax_stream?
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for_all_aspects?
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end
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def title
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if self.for_all_aspects?
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I18n.t('.stream')
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else
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self.aspects.to_sentence
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end
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end
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# Determine whether or not the stream is displaying across
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# all of the user's aspects.
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#
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# @return [Boolean]
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def for_all_aspects?
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@all_aspects ||= aspect_ids.length == @user.aspects.size
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end
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def contacts_title
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if self.for_all_aspects? || self.aspect_ids.size > 1
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I18n.t('_contacts')
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else
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"#{self.aspect.name}(#{self.people.size})"
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end
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end
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def contacts_link
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if for_all_aspects? || aspect_ids.size > 1
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Rails.application.routes.url_helpers.contacts_path
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else
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Rails.application.routes.url_helpers.contacts_path(:a_id => @stream.aspect.id)
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end
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end
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end
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