#86 Revocation edit

* adds support for revocation edit
    * revocation document files will be replaced on an edit

konova/forms.py

@@ -24,7 +24,7 @@ from konova.contexts import BaseContext
 from konova.models import BaseObject, Geometry, RecordableObjectMixin
 from konova.settings import DEFAULT_SRID
 from konova.tasks import celery_update_parcels
-from konova.utils.message_templates import FORM_INVALID
+from konova.utils.message_templates import FORM_INVALID, FILE_TYPE_UNSUPPORTED, FILE_SIZE_TOO_LARGE
 from user.models import UserActionLogEntry
 
 
@@ -424,14 +424,14 @@ class NewDocumentForm(BaseModalForm):
         if not mime_type_valid:
             self.add_error(
                 "file",
-                _("Unsupported file type")
+                FILE_TYPE_UNSUPPORTED
             )
 
         file_size_valid = self.document_model.is_file_size_valid(_file)
         if not file_size_valid:
             self.add_error(
                 "file",
-                _("File too large")
+                FILE_SIZE_TOO_LARGE
             )
 
         file_valid = mime_type_valid and file_size_valid

konova/models/document.py

@@ -101,3 +101,19 @@ class AbstractDocument(BaseResource):
     def is_file_size_valid(cls, _file):
         max_size = cls._maximum_file_size * pow(1000, 2)
         return _file.size <= max_size
+
+    def replace_file(self, new_file):
+        """ Replaces the old file on the hard drive with the new one
+
+        Args:
+            new_file (File): The new file
+
+        Returns:
+
+        """
+        try:
+            os.remove(self.file.file.name)
+        except FileNotFoundError:
+            pass
+        self.file = new_file
+        self.save()

konova/utils/message_templates.py

@@ -18,6 +18,10 @@ MISSING_GROUP_PERMISSION = _("You need to be part of another user group.")
 
 CHECKED_RECORDED_RESET = _("Status of Checked and Recorded reseted")
 
+# FILES
+FILE_TYPE_UNSUPPORTED = _("Unsupported file type")
+FILE_SIZE_TOO_LARGE = _("File too large")
+
 # ECO ACCOUNT
 CANCEL_ACC_RECORDED_OR_DEDUCTED = _("Action canceled. Eco account is recorded or deductions exist. Only conservation office member can perform this action.")