40 lines
1.4 KiB
Ruby
40 lines
1.4 KiB
Ruby
class Document < ActiveRecord::Base
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has_attached_file :attachment
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belongs_to :user
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belongs_to :documentable, polymorphic: true
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validates_attachment :attachment, presence: true
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do_not_validate_attachment_file_type :attachment
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validate :validate_attachment_content_type
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validate :validate_attachment_size
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validates :title, presence: true
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validates :user, presence: true
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validates :documentable_id, presence: true
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validates :documentable_type, presence: true
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def validate_attachment_size
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if attachment.file? && documentable.present? && attachment_file_size > documentable.class.max_file_size
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errors[:attachment] = I18n.t("documents.errors.messages.in_between",
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min: "0 Bytes",
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max: "#{bytesToMeg(documentable.class.max_file_size)} MB")
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end
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end
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def validate_attachment_content_type
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if attachment.file? && documentable.present? && !documentable.class.accepted_content_types.include?(attachment_content_type)
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errors[:attachment] = I18n.t("documents.errors.messages.content_type",
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content_type: attachment_content_type,
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accepted_content_types: documentable.class.accepted_content_types.join(", "))
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end
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end
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private
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def bytesToMeg bytes
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bytes / (1024.0 * 1024.0)
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end
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end
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