1 files changed, 40 insertions, 1 deletions
diff --git a/pyblackbird_cc/resources/forms.py b/pyblackbird_cc/resources/forms.py
index ed2c1a6..5a4a606 100644
--- a/pyblackbird_cc/resources/forms.py
+++ b/pyblackbird_cc/resources/forms.py
@@ -181,6 +181,46 @@ class ResourceUpdateMetadataForm(forms.ModelForm):
         ]
 
 
+class ResourceUpdatePDFsForm(forms.Form):
+    def __init__(self, *args, **kwargs):
+        try:
+            self.resource = kwargs.pop("resource")
+        except KeyError:
+            pass
+        super().__init__(*args, **kwargs)
+        self.helper = FormHelper(self)
+        self.helper.add_input(Submit("submit", "Submit"))
+
+    pdf_files = forms.FileField(
+        widget=forms.TextInput(
+            attrs={
+                "multiple": True,
+                "type": "File",
+                "required": True,
+            },
+        ),
+        required=False,
+        help_text="You can multi-select up to 20 .pdf files here.",
+        label="PDF files",
+    )
+
+    pdf_files.widget.attrs.update({"class": "file_upload", "accept": ".pdf"})
+
+    def clean_pdf_files(self):
+        pdf_files = self.files.getlist("pdf_files")
+        if not pdf_files:
+            raise forms.ValidationError("Please select at least one PDF file.")
+        acceptable = ["application/pdf"]
+        for f in pdf_files:
+            content_type = magic.from_buffer(f.file.read(), mime=True)
+            f.file.seek(0)
+            if content_type not in acceptable:
+                raise forms.ValidationError("Please select only PDF files.")
+        if len(pdf_files) > ALLOWED_PDFS:
+            raise forms.ValidationError("Please select up to 20 PDF files.")
+        return pdf_files
+
+
 class ResourceUpdateThumbnailsForm(forms.Form):
     def __init__(self, *args, **kwargs):
         try:
@@ -218,4 +258,3 @@ class ResourceUpdateThumbnailsForm(forms.Form):
         if len(thumbnail_files) > ALLOWED_THUMBNAILS:
             raise forms.ValidationError("Please select up to 5 files.")
         return thumbnail_files
-