wth - (SPARCRequest & SPARC Dashboard) Document upload bug

User cannot currently upload '.xls' attachments. Please look into this bug

[#156406084]

Story - https://www.pivotaltracker.com/story/show/156406084

app/models/document.rb

@@ -25,26 +25,22 @@ class Document < ApplicationRecord
   has_and_belongs_to_many :sub_service_requests
   belongs_to :protocol
   has_attached_file :document #, :preserve_files => true
-  validates_attachment :document, content_type: { content_type: [
-    "application/pdf",
-    "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
-    "application/vnd.ms-office",
-    "application/vnd.openxmlformats-officedocument.presentationml.presentation",
-    "application/vnd.ms-powerpoint",
-    "application/octet-stream",
-    "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-    "application/msword",
-    "application/vnd.ms-excel",
-    "image/jpeg",
-    "text/csv",
-    "text/rtf",
-    "text/plain",
-    "text/msg",
-    "message/rfc822",
-    "image/gif",
-    "image/png",
-    "image/tiff"
-  ] }
+  validates_attachment_file_name :document, matches: [
+    /\.pdf$/,
+    /\.docx?$/,
+    /\.xlsx?$/,
+    /\.rtf$/,
+    /\.txt$/,
+    /\.csv$/,
+    /\.ppt?$/,
+    /\.msg$/,
+    /\.eml$/,
+    /\.jpg$/,
+    /\.gif$/,
+    /\.png$/,
+    /\.tiff$/,
+    /\.jpeg$/
+  ]
 
   validates :doc_type, :document, presence: true
   validates :doc_type_other, presence: true, if: Proc.new { |doc| doc.doc_type == 'other' }