157 lines
4 KiB
Ruby
157 lines
4 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 Post < ActiveRecord::Base
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include ApplicationHelper
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include Diaspora::Federated::Shareable
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include Diaspora::Likeable
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include Diaspora::Commentable
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include Diaspora::Shareable
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has_many :participations, :dependent => :delete_all, :as => :target
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attr_accessor :user_like
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xml_attr :provider_display_name
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has_many :mentions, :dependent => :destroy
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has_many :reshares, :class_name => "Reshare", :foreign_key => :root_guid, :primary_key => :guid
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has_many :resharers, :class_name => 'Person', :through => :reshares, :source => :author
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belongs_to :o_embed_cache
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after_create do
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self.touch(:interacted_at)
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end
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#scopes
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scope :includes_for_a_stream, includes(:o_embed_cache, {:author => :profile}, :mentions => {:person => :profile}) #note should include root and photos, but i think those are both on status_message
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scope :commented_by, lambda { |person|
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select('DISTINCT posts.*').joins(:comments).where(:comments => {:author_id => person.id})
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}
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scope :liked_by, lambda { |person|
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joins(:likes).where(:likes => {:author_id => person.id})
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}
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def self.newer(post)
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where("posts.created_at > ?", post.created_at).reorder('posts.created_at ASC').first
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end
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def self.older(post)
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where("posts.created_at < ?", post.created_at).reorder('posts.created_at DESC').first
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end
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def self.visible_from_author(author, current_user=nil)
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if current_user.present?
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current_user.posts_from(author)
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else
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author.posts.all_public
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end
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end
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def post_type
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self.class.name
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end
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def root; end
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def raw_message; ""; end
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def mentioned_people; []; end
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def photos; []; end
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#prevents error when trying to access @post.address in a post different than Reshare and StatusMessage types;
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#check PostPresenter
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def address
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end
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def self.excluding_blocks(user)
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people = user.blocks.map{|b| b.person_id}
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scope = scoped
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if people.any?
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scope = scope.where("posts.author_id NOT IN (?)", people)
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end
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scope
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end
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def self.excluding_hidden_shareables(user)
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scope = scoped
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if user.has_hidden_shareables_of_type?
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scope = scope.where('posts.id NOT IN (?)', user.hidden_shareables["#{self.base_class}"])
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end
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scope
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end
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def self.excluding_hidden_content(user)
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excluding_blocks(user).excluding_hidden_shareables(user)
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end
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def self.for_a_stream(max_time, order, user=nil)
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scope = self.for_visible_shareable_sql(max_time, order).
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includes_for_a_stream
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scope = scope.excluding_hidden_content(user) if user.present?
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scope
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end
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def reshare_for(user)
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return unless user
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reshares.where(:author_id => user.person.id).first
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end
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def like_for(user)
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return unless user
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likes.where(:author_id => user.person.id).first
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end
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#############
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def self.diaspora_initialize(params)
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new_post = self.new params.to_hash
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new_post.author = params[:author]
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new_post.public = params[:public] if params[:public]
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new_post.pending = params[:pending] if params[:pending]
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new_post.diaspora_handle = new_post.author.diaspora_handle
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new_post
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end
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# @return Returns true if this Post will accept updates (i.e. updates to the caption of a photo).
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def mutable?
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false
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end
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def activity_streams?
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false
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end
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def comment_email_subject
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I18n.t('notifier.a_post_you_shared')
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end
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def nsfw
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self.author.profile.nsfw?
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end
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def self.find_by_guid_or_id_with_user(id, user=nil)
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key = id.to_s.length <= 8 ? :id : :guid
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post = if user
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user.find_visible_shareable_by_id(Post, id, :key => key)
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else
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Post.where(key => id).includes(:author, :comments => :author).first
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end
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# is that a private post?
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raise(Diaspora::NonPublic) unless user || post.try(:public?)
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post || raise(ActiveRecord::RecordNotFound.new("could not find a post with id #{id}"))
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end
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end
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