1 files changed, 36 insertions, 0 deletions
diff --git a/uploader/templates/phenotypes/add-phenotypes-raw-files.html b/uploader/templates/phenotypes/add-phenotypes-raw-files.html
index cb857ac..15c2da8 100644
--- a/uploader/templates/phenotypes/add-phenotypes-raw-files.html
+++ b/uploader/templates/phenotypes/add-phenotypes-raw-files.html
@@ -643,6 +643,42 @@
       event.preventDefault();
       // TODO: Check all the relevant files exist
       // TODO: Verify that files are not duplicated
+      var filenames = [];
+      var nondupfiles = [];
+      resumables.forEach((r) => {
+          var fname = r.files[0].file.name;
+          filenames.push(fname);
+          if(!nondupfiles.includes(fname)) {
+              nondupfiles.push(fname);
+          }
+      });
+
+      // Check that all files were provided
+      if(resumables.length !== filenames.length) {
+          window.alert("You MUST provide all the files requested.");
+          event.target.removeAttribute("disabled");
+          return false;
+      }
+
+      // Check that there are no duplicate files
+      var duplicates = Object.entries(filenames.reduce(
+          (acc, curr, idx, arr) => {
+              acc[curr] = (acc[curr] || 0) + 1;
+              return acc;
+          },
+          {})).filter((entry) => {return entry[1] !== 1;});
+      if(duplicates.length > 0) {
+          var msg = "The file(s):\r\n";
+          msg = msg + duplicates.reduce(
+              (msgstr, afile) => {
+                  return msgstr + "  • " + afile[0] + "\r\n";
+              },
+              "");
+          msg = msg + "is(are) duplicated. Please fix and try again.";
+          window.alert(msg);
+          event.target.removeAttribute("disabled");
+          return false;
+      }
       // TODO: Check all fields
       // Start the uploads.
       event.target.setAttribute("disabled", "disabled");