started working on validation on action form.

src/cljc/auto_ap/entities/invoice.cljc

@@ -0,0 +1,16 @@
+(ns auto-ap.entities.invoice
+  (:require [clojure.spec.alpha :as s]
+            [auto-ap.entities.shared :as shared]))
+
+(s/def ::vendor-id int?)
+(s/def ::company-id int?)
+(s/def ::invoice-number ::shared/required-identifier)
+(s/def ::date ::shared/date)
+(s/def ::total ::shared/money)
+
+(s/def ::invoice (s/keys :opt-un [::vendor-id
+                                  ::company-id
+                                  ::invoice-number
+                                  ::date
+                                  ::total
+                                  ]))