Decode MIME strings in downloaded file names

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: objr
 Title: Wrapper for Objective APIs
-Version: 0.2.0.9000
+Version: 0.2.1
 Authors@R: c(
     person("Scottish Government", , , "statistics.enquiries@gov.scot", role = "cph"),
     person("Alice", "Hannah", , "alice.hannah@gov.scot", role = c("aut", "cre"))

NEWS.md

@@ -1,4 +1,6 @@
-# objr (development version)
+# objr 0.2.1
+
+* Fix bug when downloaded files have MIME-encoded syntax (#72).
 
 # objr 0.2.0
 

R/utils_download-upload.R

@@ -236,6 +236,7 @@ file_name_from_header <- function(response,
       cont_disp,
       m = regexpr("(?<=filename=\\\").*(?=\\\")", cont_disp, perl = TRUE)
     ) %>%
+    decode_mime() %>%
     utils::URLdecode()
 
   if (length(file_name) == 0) {
@@ -251,3 +252,7 @@ file_name_from_header <- function(response,
   file_name
 
 }
+
+decode_mime <- function(string) {
+  gsub("(^=\\?UTF-8\\?Q\\?)|(\\?=$)", replacement = "", string)
+}

README.md

@@ -13,9 +13,10 @@ objr (pronounced "ob-jar") aims to provide a convenient method of interacting wi
 ## Installation
 
 If you are working within the Scottish Government network, you can
-install objr in the same way as with other R packages. The easiest way to do this is by using the [pkginstaller](https://github.com/ScotGovAnalysis/pkginstaller/tree/main) add-in. Further guidance is available on [eRDM](https://erdm.scotland.gov.uk:8443/documents/A42404229/details).
+install objr in the same way as with other R packages.
 
-Alternatively, objr can be installed directly from GitHub. Note that this method requires the remotes package and may not work from within the Scottish Government network.
+Alternatively, objr can be installed directly from GitHub. 
+Note that this method requires the remotes package and may not work from within the Scottish Government network.
 
 ``` r
 remotes::install_github(

tests/testthat/test-utils_download-upload.R

@@ -280,4 +280,24 @@ test_that("Correct value returned", {
     ),
     "ayrshire & arran.csv"
   )
+
+  expect_equal(
+    file_name_from_header(
+      httr2::response(
+        headers = list(
+          `Content-Disposition` =
+            "filename=\"=?UTF-8?Q?ayrshire%20%26%20arran.csv?=\""
+        )
+      )
+    ),
+    "ayrshire & arran.csv"
+  )
+})
+
+
+# decode_mime ----
+
+test_that("Correct value returned", {
+  expect_equal(decode_mime("test.csv"), "test.csv")
+  expect_equal(decode_mime("=?UTF-8?Q?test.csv?="), "test.csv")
 })