demarches-normaliennes/app/controllers/admin/attestation_templates_controller.rb

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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(activated_attestation_params)
flash.notice = "L'attestation a bien été modifiée"
else
flash.alert = attestation_template.errors.full_messages.join('<br>')
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('<br>')
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)
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@activated_attestation_params[:logo] = uninterlaced_png(params['attestation_template']['logo'])
@activated_attestation_params[:signature] = uninterlaced_png(params['attestation_template']['signature'])
end
@activated_attestation_params
end
def uninterlaced_png(uploaded_file)
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if uploaded_file&.content_type == 'image/png'
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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