stuff.clj

(spec/def ::auth-user int?)
(spec/def ::id string?)
(spec/def ::rating string?)

(spec/def ::rate-podcast-spec (spec/keys :req-un [::auth-user ::id ::rating]))
(defn- rate-podcast
  [params]
  (if (spec/valid? ::rate-podcast-spec params)
    (let [user      (:auth-user params)
          podcast   (Integer/parseInt (:id params))
          rating    (:rating params)]
          (podcasts/rate-podcast {:user-id    user
                                  :podcast-id podcast
                                  :rating     rating})