fix: apollo server image upload

lib/customers.js

@@ -216,7 +216,7 @@ function enhanceEditedFields (fields, userToken) {
  */
 
 function deleteEditedData (id, data) {
-  // NOT IMPLEMENTING THIS FEATURE FOR NOW
+  // NOT IMPLEMENTING THIS FEATURE FOR THE CURRENT VERSION
   // const defaults = [
   //   'front_camera',
   //   'id_card_data',
@@ -235,6 +235,53 @@ function deleteEditedData (id, data) {
   return getCustomerById(id)
 }
 
+/**
+ * Replace customer's compliance photos
+ *
+ * @name save
+ * @function
+ *
+ * @param {string} id Customer's id
+ * @param {File} photo New photo data
+ * @param {string} photoType Photo's compliance type
+ *
+ * @returns {object} path New photo path
+ *
+ */
+function replacePhoto (id, photo, photoType) {
+  const baseDir = photoType === 'frontCamera' ? frontCameraBaseDir : idPhotoCardBasedir
+  const { createReadStream } = photo
+  const stream = createReadStream()
+
+  // workout the image hash
+  // i.e. 240e85ff2e4bb931f235985dd0134e459239496d2b5af6c5665168d38ef89b50
+  const hash = crypto
+    .createHash('sha256')
+    .update(imageData)
+    .digest('hex')
+
+  // workout the image folder
+  // i.e. 24/0e/85
+  const rpath = _.join(path.sep, _.map(_.wrap(_.join, ''), _.take(3, _.chunk(2, _.split('', hash)))))
+
+  // i.e. ../<lamassu-server-home>/idphotocard/24/0e/85
+  const dirname = path.join(idPhotoCardBasedir, rpath)
+
+  // create the directory tree if needed
+  _.attempt(() => makeDir.sync(dirname))
+
+  // i.e. ../<lamassu-server-home>/idphotocard/24/0e/85/240e85ff2e4bb931f235985dd01....jpg
+  const filename = path.join(dirname, hash + '.jpg')
+
+  // update db record patch
+  // i.e. {
+  //   "idCardPhotoPath": "24/0e/85/240e85ff2e4bb931f235985dd01....jpg",
+  //   "idCardPhotoAt": "now()"
+  // }
+  newPatch.idCardPhotoPath = path.join(rpath, hash + '.jpg')
+  newPatch.idCardPhotoAt = 'now()'
+}
+
 const invalidateCustomerNotifications = (id, data) => {
   if (data.authorized_override !== 'verified') return Promise.resolve()