cache api clients

app/logical/tumblr_api_client.rb

@@ -1,9 +1,14 @@
 class TumblrApiClient < Struct.new(:api_key)
-  include HTTParty
-  base_uri "https://api.tumblr.com/v2/blog/"
-
   def posts(blog_name, post_id)
-    response = self.class.get("/#{blog_name}/posts", Danbooru.config.httparty_options.merge(query: { id: post_id, api_key: api_key }))
-    response.parsed_response.with_indifferent_access[:response]
+    body, code = HttpartyCache.get("/#{blog_name}/posts", 
+      params: { id: post_id, api_key: api_key },
+      base_uri: "https://api.tumblr.com/v2/blog/"
+    )
+
+    if code == 200
+      return JSON.parse(body)["response"].with_indifferent_access
+    end
+
+    raise "TumblrApiClient call failed (code=#{code}, body=#{body}, blog_name=#{blog_name}, post_id=#{post_id})"
   end
 end