51 lines
1.4 KiB
Ruby
51 lines
1.4 KiB
Ruby
class SiteCustomization::Image < ApplicationRecord
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VALID_IMAGES = {
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"logo_header" => [260, 80],
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"social_media_icon" => [470, 246],
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"social_media_icon_twitter" => [246, 246],
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"apple-touch-icon-200" => [200, 200],
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"budget_execution_no_image" => [800, 600],
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"map" => [420, 500],
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"logo_email" => [400, 80]
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}
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has_attached_file :image
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validates :name, presence: true, uniqueness: true, inclusion: { in: VALID_IMAGES.keys }
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validates_attachment_content_type :image, content_type: ["image/png", "image/jpeg"]
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validate :check_image
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def self.all_images
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VALID_IMAGES.keys.map do |image_name|
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find_by(name: image_name) || create!(name: image_name.to_s)
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end
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end
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def self.image_path_for(filename)
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image_name = filename.split(".").first
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imageable = find_by(name: image_name)
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imageable.present? && imageable.image.exists? ? imageable.image.url : nil
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end
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def required_width
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VALID_IMAGES[name]&.first
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end
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def required_height
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VALID_IMAGES[name]&.second
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end
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private
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def check_image
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return unless image?
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dimensions = Paperclip::Geometry.from_file(image.queued_for_write[:original].path)
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errors.add(:image, :image_width, required_width: required_width) unless dimensions.width == required_width
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errors.add(:image, :image_height, required_height: required_height) unless dimensions.height == required_height
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end
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end
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