150 lines
3.8 KiB
Ruby
150 lines
3.8 KiB
Ruby
# Display a widget for uploading, editing and deleting a file attachment
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class Attachment::EditComponent < ApplicationComponent
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attr_reader :template, :form, :attachment
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delegate :persisted?, to: :attachment, allow_nil: true
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def initialize(form:, attached_file:, attachment: nil, user_can_destroy: false, direct_upload: true, id: nil, index: 0)
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@form = form
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@attached_file = attached_file
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@attachment = if attachment
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attachment
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elsif attached_file.respond_to?(:attachment)
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attached_file.attachment
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else
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# multiple attachments: attachment kwarg is expected, unless adding a new attachment
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end
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@user_can_destroy = user_can_destroy
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@direct_upload = direct_upload
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@id = id
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@index = index
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end
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def max_file_size
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file_size_validator.options[:less_than]
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end
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def user_can_destroy?
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@user_can_destroy
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end
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def attachment_path
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helpers.attachment_path attachment.id, { signed_id: attachment.blob.signed_id }
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end
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def attachment_id
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@attachment_id ||= (attachment&.id || SecureRandom.uuid)
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end
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def attachment_input_class
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"attachment-input-#{attachment_id}"
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end
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def champ
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@form.object.is_a?(Champ) ? @form.object : nil
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end
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def file_field_options
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track_issue_with_missing_validators if missing_validators?
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{
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class: "attachment-input #{attachment_input_class} #{'hidden' if persisted?}",
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direct_upload: @direct_upload,
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id: input_id(@id),
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aria: { describedby: champ&.describedby_id },
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data: {
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auto_attach_url:
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}.merge(has_file_size_validator? ? { max_file_size: } : {})
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}.merge(has_content_type_validator? ? { accept: accept_content_type } : {})
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end
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def auto_attach_url
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helpers.auto_attach_url(form.object, replace_attachment_id: persisted? ? attachment_id : nil)
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end
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def input_id(given_id)
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return given_id if given_id.present?
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if champ.present?
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# Single or first attachment input must match label "for" attribute. Others must remain unique.
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return champ.input_id if @index.zero?
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return "#{champ.input_id}_#{attachment_id}"
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end
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file_field_name
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end
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def file_field_name
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@attached_file.name
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end
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def remove_button_options
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{
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role: 'button',
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class: 'button small danger',
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data: { turbo_method: :delete }
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}
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end
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def retry_button_options
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{
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type: 'button',
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class: 'button attachment-error-retry',
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data: { input_target: ".#{attachment_input_class}", action: 'autosave#onClickRetryButton' }
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}
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end
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def replace_button_options
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{
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type: 'button',
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class: 'button small',
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data: { toggle_target: ".#{attachment_input_class}" }
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}
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end
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def file_size_validator
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@attached_file.record
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._validators[file_field_name.to_sym]
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.find { |validator| validator.class == ActiveStorageValidations::SizeValidator }
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end
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def content_type_validator
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@attached_file.record
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._validators[file_field_name.to_sym]
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.find { |validator| validator.class == ActiveStorageValidations::ContentTypeValidator }
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end
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def accept_content_type
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list = content_type_validator.options[:in]
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if list.include?("application/octet-stream")
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list.push(".acidcsa")
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end
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list.join(', ')
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end
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def has_content_type_validator?
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!content_type_validator.nil?
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end
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def has_file_size_validator?
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!file_size_validator.nil?
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end
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def missing_validators?
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return true if !has_file_size_validator?
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return true if !has_content_type_validator?
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return false
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end
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def track_issue_with_missing_validators
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Sentry.capture_message(
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"Strange case of missing validator",
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extra: {
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champ: champ,
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file_field_name: file_field_name,
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attachment_id: attachment_id
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}
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)
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end
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end
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