From c42388f7e2b28e1a923345ccf2b762125e6fe089 Mon Sep 17 00:00:00 2001
From: Michael Shamoon <4887959+shamoon@users.noreply.github.com>
Date: Tue, 4 Oct 2022 11:21:57 -0700
Subject: [PATCH] Use text mime type for csv files for browser preview

Co-Authored-By: Trenton H <797416+stumpylog@users.noreply.github.com>
Co-Authored-By: bin101 <12427722+bin101@users.noreply.github.com>
---
 src/documents/views.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/documents/views.py b/src/documents/views.py
index e301ab5f6..5beab01aa 100644
--- a/src/documents/views.py
+++ b/src/documents/views.py
@@ -261,6 +261,9 @@ class DocumentViewSet(
             file_handle = doc.source_file
             filename = doc.get_public_filename()
             mime_type = doc.mime_type
+            # Support browser previewing csv files by using text mime type
+            if mime_type in {"application/csv", "text/csv"} and disposition == "inline":
+                mime_type = "text/plain"
 
         if doc.storage_type == Document.STORAGE_TYPE_GPG:
             file_handle = GnuPG.decrypted(file_handle)