prefill signature

lib/submitters/maybe_assign_default_signature.rb

@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module Submitters
+  module MaybeAssignDefaultSignature
+    module_function
+
+    def call(submitter, params, attachments_index)
+      return if params[:t].present? && params[:t] != SubmissionEvents.build_tracking_param(submitter, 'click_email')
+      return if params[:t].blank? && !submitter.submission_events.exists?(event_type: :click_email)
+
+      signature_attachment = find_previous_signature(submitter)
+
+      return if signature_attachment.blank?
+
+      existing_attachment = attachments_index.values.find { |a| a.blob_id == signature_attachment.blob_id }
+
+      return existing_attachment if existing_attachment
+
+      attachment = submitter.attachments_attachments.create!(blob_id: signature_attachment.blob_id)
+
+      attachments_index[attachment.uuid] = attachment
+
+      attachment
+    end
+
+    def find_previous_signature(submitter)
+      return if submitter.email.blank?
+
+      submitters_query =
+        Submitter.where(email: submitter.email)
+                 .where.not(completed_at: nil)
+                 .where(SubmissionEvent.where(Submitter.arel_table[:id].eq(SubmissionEvent.arel_table[:submitter_id]))
+                                       .where(event_type: :click_email).limit(1).arel.exists)
+
+      ActiveStorage::Attachment.where(name: :signature, record: submitters_query).order(:id).last
+    end
+  end
+end

lib/submitters/submit_values.rb

@@ -32,17 +32,7 @@ module Submitters
       submitter.values.merge!(values)
       submitter.opened_at ||= Time.current
 
-      if params[:completed] == 'true'
-        submitter.completed_at = Time.current
-        submitter.ip = request.remote_ip
-        submitter.ua = request.user_agent
-        submitter.values = merge_default_values(submitter)
-        submitter.values = merge_formula_values(submitter)
-        submitter.values = maybe_remove_condition_values(submitter)
-        submitter.values = submitter.values.transform_values do |v|
-          v == '{{date}}' ? Time.current.in_time_zone(submitter.account.timezone).to_date.to_s : v
-        end
-      end
+      assign_completed_attributes(submitter, request) if params[:completed] == 'true'
 
       ApplicationRecord.transaction do
         validate_values!(values, submitter, params, request)
@@ -55,6 +45,29 @@ module Submitters
       submitter
     end
 
+    def assign_completed_attributes(submitter, request)
+      submitter.completed_at = Time.current
+      submitter.ip = request.remote_ip
+      submitter.ua = request.user_agent
+      submitter.values = merge_default_values(submitter)
+      submitter.values = merge_formula_values(submitter)
+      submitter.values = maybe_remove_condition_values(submitter)
+      submitter.values = submitter.values.transform_values do |v|
+        v == '{{date}}' ? Time.current.in_time_zone(submitter.account.timezone).to_date.to_s : v
+      end
+
+      signature_attachment =
+        submitter.submission.template_fields.reduce(nil) do |_, field|
+          next nil if field['submitter_uuid'] != submitter.uuid || field['type'] != 'signature'
+
+          break submitter.attachments_attachments.find_by(uuid: submitter.values[field['uuid']])
+        end
+
+      submitter.build_signature_attachment(blob_id: signature_attachment.blob_id) if signature_attachment
+
+      submitter
+    end
+
     def normalized_values(params)
       params.fetch(:values, {}).to_unsafe_h.transform_values do |v|
         if params[:cast_boolean] == 'true'