Jorge Manrubia
55 lines
1.8 KiB
Ruby
55 lines
1.8 KiB
Ruby
module Attachments
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extend ActiveSupport::Concern
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# The variants we use must all declared here so that we can preprocess them.
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#
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# If they are not preprocessed, then Rails will attempt to transform the image on-the-fly when
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# they are first viewed, which may be on the read replica where writing to the database is not
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# allowed. Chaos will ensue if that happens.
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#
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# These variants are patched into ActionText::RichText in config/initializers/action_text.rb
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VARIANTS = {
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# vipsthumbnail used to create sized image variants has a intent setting to manage colors during
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# resize. By setting an invalid intent value the gif-incompatible intent filtering is skipped and
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# the gif can be rendered with all its frame intact.
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#
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# Only `n` is accepted as an override, using the full parameter name `intent` doesn’t work.
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#
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# This was cargo-culted from know-it-all and I imagine it may be fixed at some point.
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small: { loader: { n: -1 }, resize_to_limit: [ 800, 600 ] },
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large: { loader: { n: -1 }, resize_to_limit: [ 1024, 768 ] }
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}
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def attachments
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rich_text_record&.embeds || []
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end
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def has_attachments?
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attachments.any?
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end
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def remote_images
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@remote_images ||= rich_text_record&.body&.attachables&.grep(ActionText::Attachables::RemoteImage) || []
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end
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def has_remote_images?
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remote_images.any?
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end
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def remote_videos
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@remote_videos ||= rich_text_record&.body&.attachables&.grep(ActionText::Attachables::RemoteVideo) || []
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end
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def has_remote_videos?
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remote_videos.any?
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end
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private
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def rich_text_record
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@rich_text_record ||= begin
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association = self.class.reflect_on_all_associations(:has_one).find { it.klass == ActionText::RichText }
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public_send(association.name)
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end
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end
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end
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