class Admin::AttestationTemplatesController < AdminController before_action :retrieve_procedure def edit @attestation_template = @procedure.attestation_template || AttestationTemplate.new(procedure: @procedure) end def update attestation_template = @procedure.attestation_template if attestation_template.update_attributes(activated_attestation_params) flash.notice = "L'attestation a bien été modifiée" else flash.alert = attestation_template.errors.full_messages.join('
') end redirect_to edit_admin_procedure_attestation_template_path(@procedure) end def create attestation_template = AttestationTemplate.new(activated_attestation_params.merge(procedure_id: @procedure.id)) if attestation_template.save flash.notice = "L'attestation a bien été sauvegardée" else flash.alert = attestation_template.errors.full_messages.join('
') end redirect_to edit_admin_procedure_attestation_template_path(@procedure) end def disactivate attestation_template = @procedure.attestation_template attestation_template.activated = false attestation_template.save flash.notice = "L'attestation a bien été désactivée" redirect_to edit_admin_procedure_attestation_template_path(@procedure) end def preview @title = activated_attestation_params[:title] @body = activated_attestation_params[:body] @footer = activated_attestation_params[:footer] @created_at = DateTime.now # In a case of a preview, when the user does not change its images, # the images are not uploaded and thus should be retrieved from previous # attestation_template @logo = activated_attestation_params[:logo] || @procedure.attestation_template&.logo @signature = activated_attestation_params[:signature] || @procedure.attestation_template&.signature render 'admin/attestation_templates/show', formats: [:pdf] end private def activated_attestation_params # cache result to avoid multiple uninterlaced computations if @activated_attestation_params.nil? @activated_attestation_params = params.require(:attestation_template) .permit(:title, :body, :footer, :signature) .merge(activated: true) @activated_attestation_params.merge!(logo: uninterlaced_png(params['attestation_template']['logo'])) @activated_attestation_params.merge!(signature: uninterlaced_png(params['attestation_template']['signature'])) end @activated_attestation_params end def uninterlaced_png(uploaded_file) if uploaded_file.present? && uploaded_file.content_type == 'image/png' chunky_img = ChunkyPNG::Image.from_io(uploaded_file) chunky_img.save(uploaded_file.tempfile.to_path, interlace: false) uploaded_file.tempfile.reopen(uploaded_file.tempfile.to_path, 'rb') end uploaded_file end end