55 lines
1.9 KiB
Ruby
55 lines
1.9 KiB
Ruby
module DiasporaFederation
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module Entities
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# This entity represents the fact that a user reshared another user's post.
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#
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# @see Validators::ReshareValidator
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class Reshare < Entity
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include Post
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# @!attribute [r] root_author
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# The diaspora* ID of the person who posted the original post
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# @see Person#author
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# @return [String] diaspora* ID
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property :root_author, :string, xml_name: :root_diaspora_id
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# @!attribute [r] root_guid
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# Guid of the original post
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# @see StatusMessage#guid
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# @return [String] root guid
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property :root_guid, :string, optional: true
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# @!attribute [r] public
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# Has no meaning at the moment
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# @return [Boolean] public
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property :public, :boolean, optional: true, default: true # always true? (we only reshare public posts)
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# @return [String] string representation of this object
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def to_s
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"#{super}:#{root_guid}"
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end
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# Fetch and receive root post from remote, if not available locally
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# and validates if it's from the correct author
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def validate_root
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return if root_author.nil? && root_guid.nil?
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raise Entity::ValidationError, "#{self}: root_guid can't be nil if root_author is present" if root_guid.nil?
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raise Entity::ValidationError, "#{self}: root_author can't be nil if root_guid is present" if root_author.nil?
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root = RelatedEntity.fetch(root_author, "Post", root_guid)
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return if root_author == root.author
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raise Entity::ValidationError,
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"root_author mismatch: obj=#{self} root_author=#{root_author} known_root_author=#{root.author}"
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end
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# Fetch root post after parse
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# @see Entity.from_hash
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# @return [Entity] instance
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def self.from_hash(hash)
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super.tap(&:validate_root)
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end
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end
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end
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end
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