what the flip

src/providers/7tv.cr

@@ -9,8 +9,8 @@ module Providers::SevenTV
   def get_user_cosmetics(user_id : String)
     stored_used_id = SQL.query_one? "SELECT twitch_id FROM seventv_ids WHERE twitch_id = ? LIMIT 1;", user_id, as: String
     if user_id != stored_used_id
-      seventv_user_id = get_seventv_user_id(user_id)["user"]["id"].to_s
-      SQL.exec "INSERT OR IGNORE INTO seventv_ids (twitch_id, seventv_id) VALUES (?, ?)", user_id, seventv_user_id
+      stv_id = get_seventv_user_id(user_id)["user"]["id"].to_s
+      SQL.exec "INSERT OR IGNORE INTO seventv_ids (twitch_id, seventv_id) VALUES (?, ?)", user_id, stv_id
     else
       stv_id =  SQL.query_one "SELECT seventv_id FROM seventv_ids WHERE twitch_id = ?", user_id, as: String
     end

src/utils.cr

@@ -15,3 +15,22 @@ module Utils
     end
   end
 end
+
+module Utils::Redis
+  extend self
+
+  def getExpireTime(key)
+    REDIS_DB.ttl(key)
+  end
+
+  def retrieveFromCache(keyName)
+    if keyName && (json = REDIS_DB.get("#{Kemal.config.app_name}:#{keyName}"))
+      return json
+    end
+  end
+
+  def save(keyName, json_data : String, expiration = 60)
+    REDIS_DB.set("#{Kemal.config.app_name}:#{keyName}", json_data, ex: expiration)
+  end
+end
+

src/vanity-tester-backend.cr

@@ -15,23 +15,43 @@ Kemal.config.port = CONFIG.port
 Kemal.config.shutdown_message = false
 Kemal.config.app_name = "vanity-tester-backend"
 SQL = DB.open("sqlite3://#{CONFIG.db}")
-REDIS_DB = Redis::Client.new(CONFIG.redisUrl)
+REDIS_DB = Redis::Client.new(URI.parse("redis://#{CONFIG.redisUrl}"))
 LOGGER = LogHandler.new(STDOUT, CONFIG.log_level)
 
 Utils.create_db
 
 HEADERS = HTTP::Headers{"User-Agent" => "Vanity-Tester-Backend/0.1.0"}
 
+before_get do |env|
+  # Every response is a JSON
+  env.response.content_type = "application/json"
+end
+
 get "/badges" do |env|
-  Handlers.parse_badges(env)
+  if data = Utils::Redis.retrieveFromCache("badges")
+    next data
+  end
+  data = Handlers.parse_badges(env)
+  Utils::Redis.save("badges", data, 300)
+  data
 end
 
 get "/7tv/badges" do |env|
-  Handlers.parse_7tv_badges(env)
+  if data = Utils::Redis.retrieveFromCache("7tvbadges")
+    next data
+  end
+  data = Handlers.parse_7tv_badges(env)
+  Utils::Redis.save("7tvbadges", data, 300)
+  data
 end
 
 get "/7tv/paints" do |env|
-  Handlers.parse_7tv_paints(env)
+    if data = Utils::Redis.retrieveFromCache("7tvpaints")
+    next data
+  end
+  data = Handlers.parse_7tv_paints(env)
+  Utils::Redis.save("7tvpaints", data, 300)
+  data
 end
 
 get "/7tv/cosmetics/:user" do |env|