52 lines
2.0 KiB
Ruby
52 lines
2.0 KiB
Ruby
module PostVersionsHelper
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def post_version_diff(post_version, type)
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return "" if type == "previous" && post_version.version == 1
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other = post_version.send(type)
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added_tags = post_version.added_tags
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added_tags << "rating:#{post_version_value(post_version.rating)}" if post_version.rating_changed
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added_tags << "parent:#{post_version_value(post_version.parent_id)}" if post_version.parent_changed
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added_tags << "source:#{post_version_value(post_version.source)}" if post_version.source_changed
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removed_tags = post_version.removed_tags
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if type == "previous" || other.nil?
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obsolete_added_tags = []
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obsolete_removed_tags = []
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else
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other_tags = other.tags.split
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other_tags << "rating:#{post_version_value(other.rating)}"
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other_tags << "parent:#{post_version_value(other.parent_id)}"
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other_tags << "source:#{post_version_value(other.source)}"
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obsolete_added_tags = added_tags - other_tags
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obsolete_removed_tags = removed_tags & other_tags
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end
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html = '<span class="diff-list">'
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added_tags.each do |tag|
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obsolete_class = (obsolete_added_tags.include?(tag) ? "diff-obsolete" : "");
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html << %(<ins class="#{obsolete_class}">#{link_to(wordbreakify(tag), posts_path(:tags => tag))}</ins> )
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end
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removed_tags.each do |tag|
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obsolete_class = (obsolete_removed_tags.include?(tag) ? "diff-obsolete" : "");
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html << %(<del class="#{obsolete_class}">#{link_to(wordbreakify(tag), posts_path(:tags => tag))}</del> )
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end
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html << "</span>"
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html.html_safe
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end
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def post_version_field(post_version, field)
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value = post_version_value(post_version.send(field))
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prefix = (field == :parent_id ? "parent" : field.to_s)
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search = "#{prefix}:#{value}"
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display = (field == :rating ? post_version.pretty_rating : value)
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%(<b>#{field.to_s.titleize}:</b> #{link_to(display, posts_path(:tags => search))}).html_safe
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end
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def post_version_value(value)
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value.presence || "none"
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end
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end
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