limiting explanation length

1 files changed, 6 insertions, 1 deletions

diff --git a/src/main.lisp b/src/main.lisp
index 27afeda..26df348 100644
--- a/src/main.lisp
+++ b/src/main.lisp
@@ -519,9 +519,11 @@ have exceeded the invite limit."
   "On success, return an object containing a new [invite token](#invite-token)."
   (to-json (make-new-invite (api-contributor token))))
 
+(defparameter +explanation-wordcount-limit+ 550)
+
 (defun validate-new-oneliner-plist (plist)
   (with-plist
-      (oneliner tags brief runstyle) plist
+      (oneliner tags brief runstyle explanation) plist
       (unless tags
         (http-err 400 "A oneliner requires tags"))
       (unless brief
@@ -530,6 +532,9 @@ have exceeded the invite limit."
         (http-err 400 "Brief description is too long. Limit to 75 characters")) 
       (unless oneliner
         (http-err 400 "Oneliner cannot be blank"))
+      (when explanation
+        (unless (<= (count #\space explanation) +explanation-wordcount-limit+)
+          (http-err 400 "Explanation is too long. Limit to around 500 words.")))
       (when runstyle
         (setf runstyle (a:make-keyword runstyle))
         (unless (typep runstyle 'runstyle)