Okapi function to update list of caches with full data.

Maybe SQL request to db should be made slimmer by using this function.

okapi.cpp

@@ -242,6 +242,13 @@ Caches Okapi::get_user_caches(const std::string& uuid, int count) const {
 	return cc;
 }
 
+void Okapi::update_caches(Caches& cc) const {
+	std::set<std::string> codes;
+	for (auto& i : cc)
+		codes.insert(i.code);
+	cc = get_caches(codes);
+}
+
 std::string Okapi::get_uuid(const std::string& username) const {
 	std::string service = url + OKAPI_username;
 	std::string query = "consumer_key=" + key + "&username=" + username + "&fields=uuid";

okapi.h

@@ -30,6 +30,7 @@ public:
 	Caches get_user_caches(const std::string& uuid, int count = 0) const override;
 	std::string get_changelog_json(int revision) const;
 
+	void update_caches(Caches& cc) const;
 	std::string get_uuid(const std::string& username) const;
 	std::string get_profile_url(const std::string& uuid) const;
 };