Encapsulate revision in OCdb

ocdb.cpp

@@ -62,7 +62,7 @@ bool OCdb::init(std::string dump_path) {
 	for (auto& el : j["data_files"].items()) {
 		init_part(dump_path + el.value().get<std::string>());
 	}
-	request("UPDATE revision SET revision = " + std::to_string(revision) + ';');
+	request("COMMIT;");
 	return 1;
 }
 
@@ -89,9 +89,8 @@ bool OCdb::update(Okapi& oc) {
 	for (auto& el : j["changelog"].items()) {
 		parse_item(el.value());
 	}
-	revision = j["revision"];
-	request("UPDATE revision SET revision = " + std::to_string(revision) + ';');
-	request("COMMIT");
+	set_revision(j["revision"]);
+	request("COMMIT;");
 	if (j["more"])
 		update(oc);
 	return 1;
@@ -341,3 +340,12 @@ Caches OCdb::get_user_caches(std::string uuid, int count) {
 // 	sqlite3_finalize(stmt);
 	return cc;
 }
+
+int OCdb::get_revision() {
+	return revision;
+}
+
+void OCdb::set_revision(int rev) {
+	revision = rev;
+	request("UPDATE revision SET revision = " + std::to_string(revision) + ';');
+}

ocdb.h

@@ -16,6 +16,7 @@ class OCdb : public Api {
 private:
 	sqlite3* db;
 	sqlite3_stmt* stmt;
+	int revision;
 
 	bool request(std::string req);
 	bool init_part(std::string json_file); // read db dump
@@ -24,13 +25,13 @@ private:
 	bool update_log(json j);
 	bool read_revision();
 public:
-	int revision;
-
 	OCdb(std::string db_file);
 	~OCdb();
 
 	bool init(std::string json_file); // read db dump
 	bool update(Okapi& oc); // apply changelog
+	int get_revision();
+	void set_revision(int rev);
 
 	Caches get_user_caches_not_found(std::string uuid);
 	Caches get_user_caches(std::string uuid, int count = 0);