Make sure limit is between 1 and 100

We were not properly checking whether the limit was greater than 0
in all cases.

dspace_statistics_api/app.py

@@ -17,7 +17,7 @@ class AllItemsResource:
     def on_get(self, req, resp):
         """Handles GET requests"""
         # Return HTTPBadRequest if id parameter is not present and valid
-        limit = req.get_param_as_int("limit", min_value=0, max_value=100) or 100
+        limit = req.get_param_as_int("limit", min_value=1, max_value=100) or 100
         page = req.get_param_as_int("page", min_value=0) or 0
         offset = limit * page
 

dspace_statistics_api/util.py

@@ -108,7 +108,7 @@ def validate_items_post_parameters(req, resp, resource, params):
         else:
             raise falcon.HTTPBadRequest(
                 title="Invalid parameter",
-                description='The "limit" parameter is invalid. The value must be an integer between 0 and 100.',
+                description='The "limit" parameter is invalid. The value must be an integer between 1 and 100.',
             )
     else:
         req.context.limit = 100