touch signature attachment

app/javascript/submission_form/form.vue

@@ -395,7 +395,9 @@
             v-model="values[currentField.uuid]"
             :reason="values[currentField.preferences?.reason_field_uuid]"
             :field="currentField"
+            :values="values"
             :previous-value="previousSignatureValueFor(currentField) || previousSignatureValue"
+            :touch-attachment-uuid="previousSignatureValue"
             :with-typed-signature="withTypedSignature"
             :remember-signature="rememberSignature"
             :attachments-index="attachmentsIndex"
@@ -407,6 +409,7 @@
             :submitter="submitter"
             :show-field-names="showFieldNames"
             @update:reason="values[currentField.preferences?.reason_field_uuid] = $event"
+            @touch-attachment="attachmentsIndex[previousSignatureValue] ? attachmentsIndex[previousSignatureValue].created_at = new Date() : null"
             @attached="attachments.push($event)"
             @start="scrollIntoField(currentField)"
             @minimize="minimizeForm"

app/javascript/submission_form/signature_step.vue

@@ -127,6 +127,12 @@
       type="hidden"
       :name="`values[${field.uuid}]`"
     >
+    <input
+      v-if="isTouchAttachment"
+      :value="touchAttachmentUuid"
+      type="hidden"
+      name="touch_attachment_uuid"
+    >
     <img
       v-if="modelValue || computedPreviousValue"
       :src="attachmentsIndex[modelValue || computedPreviousValue].url"
@@ -334,6 +340,10 @@ export default {
       type: Object,
       required: true
     },
+    values: {
+      type: Object,
+      required: true
+    },
     requireSigningReason: {
       type: Boolean,
       required: false,
@@ -388,6 +398,11 @@ export default {
       required: false,
       default: ''
     },
+    touchAttachmentUuid: {
+      type: String,
+      required: false,
+      default: ''
+    },
     reason: {
       type: String,
       required: false,
@@ -399,13 +414,14 @@ export default {
       default: ''
     }
   },
-  emits: ['attached', 'update:model-value', 'start', 'minimize', 'update:reason'],
+  emits: ['attached', 'update:model-value', 'start', 'minimize', 'update:reason', 'touch-attachment'],
   data () {
     return {
       isSignatureStarted: false,
       isShowQr: false,
       isOtherReason: false,
       isUsePreviousValue: true,
+      isTouchAttachment: false,
       isTextSignature: this.field.preferences?.format === 'typed' || this.field.preferences?.format === 'typed_or_upload',
       uploadImageInputKey: Math.random().toString()
     }
@@ -731,6 +747,13 @@ export default {
     },
     async submit () {
       if (this.modelValue || this.computedPreviousValue) {
+        if (this.touchAttachmentUuid && this.computedPreviousValue === this.touchAttachmentUuid && !Object.values(this.values).includes(this.touchAttachmentUuid)) {
+          this.isTouchAttachment = true
+          this.$emit('touch-attachment', this.touchAttachmentUuid)
+        } else {
+          this.isTouchAttachment = false
+        }
+
         if (this.computedPreviousValue) {
           this.$emit('update:model-value', this.computedPreviousValue)
         }

lib/submitters/submit_values.rb

@@ -48,6 +48,10 @@ module Submitters
         maybe_set_signature_reason!(values, submitter, params)
         validate_values!(values, submitter, params, request)
 
+        if (touch_attachment_uuid = params[:touch_attachment_uuid].presence)
+          ActiveStorage::Attachment.where(uuid: touch_attachment_uuid, record: submitter).touch_all(:created_at)
+        end
+
         SubmissionEvents.create_with_tracking_data(submitter, 'complete_form', request) if params[:completed] == 'true'
 
         submitter.save!