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tdlib-fork/td/telegram/LanguagePackManager.h
levlam d69251faba Get info about the chosen language pack if needed.
GitOrigin-RevId: 8a522ac1eabcb66d1e5fe2d85a617ae4c823f8bb
2019-07-11 04:22:17 +03:00

200 lines
8.4 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/telegram/net/NetQuery.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/actor/actor.h"
#include "td/actor/PromiseFuture.h"
#include "td/utils/common.h"
#include "td/utils/Container.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
#include <mutex>
#include <unordered_map>
#include <utility>
namespace td {
class SqliteKeyValue;
class LanguagePackManager : public NetQueryCallback {
public:
explicit LanguagePackManager(ActorShared<> parent) : parent_(std::move(parent)) {
}
LanguagePackManager(const LanguagePackManager &) = delete;
LanguagePackManager &operator=(const LanguagePackManager &) = delete;
LanguagePackManager(LanguagePackManager &&) = delete;
LanguagePackManager &operator=(LanguagePackManager &&) = delete;
~LanguagePackManager() override;
static bool check_language_pack_name(Slice name);
static bool check_language_code_name(Slice name);
static bool is_custom_language_code(Slice language_code);
vector<string> get_used_language_codes();
void on_language_pack_changed();
void on_language_code_changed();
void on_language_pack_version_changed(bool is_base, int32 new_version);
void on_language_pack_too_long(string language_code);
void get_languages(bool only_local, Promise<td_api::object_ptr<td_api::localizationTargetInfo>> promise);
void search_language_info(string language_code, Promise<td_api::object_ptr<td_api::languagePackInfo>> promise);
void get_language_pack_strings(string language_code, vector<string> keys,
Promise<td_api::object_ptr<td_api::languagePackStrings>> promise);
static td_api::object_ptr<td_api::Object> get_language_pack_string(const string &database_path,
const string &language_pack,
const string &language_code, const string &key);
void synchronize_language_pack(string language_code, Promise<Unit> promise);
void on_update_language_pack(tl_object_ptr<telegram_api::langPackDifference> difference);
void add_custom_server_language(string language_code, Promise<Unit> &&promise);
void set_custom_language(td_api::object_ptr<td_api::languagePackInfo> &&language_pack_info,
vector<tl_object_ptr<td_api::languagePackString>> strings, Promise<Unit> &&promise);
void edit_custom_language_info(td_api::object_ptr<td_api::languagePackInfo> &&language_pack_info,
Promise<Unit> &&promise);
void set_custom_language_string(string language_code, tl_object_ptr<td_api::languagePackString> str,
Promise<Unit> &&promise);
void delete_language(string language_code, Promise<Unit> &&promise);
private:
struct PluralizedString;
struct Language;
struct LanguageInfo;
struct LanguagePack;
struct LanguageDatabase;
ActorShared<> parent_;
string language_pack_;
string language_code_;
string base_language_code_;
LanguageDatabase *database_ = nullptr;
struct PendingQueries {
vector<Promise<td_api::object_ptr<td_api::languagePackStrings>>> queries_;
};
std::unordered_map<string, std::unordered_map<string, PendingQueries>> get_all_language_pack_strings_queries_;
static int32 manager_count_;
static std::mutex language_database_mutex_;
static std::unordered_map<string, unique_ptr<LanguageDatabase>> language_databases_;
static LanguageDatabase *add_language_database(const string &path);
static Language *get_language(LanguageDatabase *database, const string &language_pack, const string &language_code);
static Language *get_language(LanguagePack *language_pack, const string &language_code);
static Language *add_language(LanguageDatabase *database, const string &language_pack, const string &language_code);
static bool language_has_string_unsafe(const Language *language, const string &key);
static bool language_has_strings(Language *language, const vector<string> &keys);
static void load_language_string_unsafe(Language *language, const string &key, const string &value);
static bool load_language_strings(LanguageDatabase *database, Language *language, const vector<string> &keys);
static td_api::object_ptr<td_api::LanguagePackStringValue> get_language_pack_string_value_object(const string &value);
static td_api::object_ptr<td_api::LanguagePackStringValue> get_language_pack_string_value_object(
const PluralizedString &value);
static td_api::object_ptr<td_api::LanguagePackStringValue> get_language_pack_string_value_object();
static td_api::object_ptr<td_api::languagePackString> get_language_pack_string_object(
const std::pair<string, string> &str);
static td_api::object_ptr<td_api::languagePackString> get_language_pack_string_object(
const std::pair<string, PluralizedString> &str);
static td_api::object_ptr<td_api::languagePackString> get_language_pack_string_object(const string &str);
static td_api::object_ptr<td_api::LanguagePackStringValue> get_language_pack_string_value_object(
const Language *language, const string &key);
static td_api::object_ptr<td_api::languagePackString> get_language_pack_string_object(const Language *language,
const string &key);
static td_api::object_ptr<td_api::languagePackStrings> get_language_pack_strings_object(Language *language,
const vector<string> &keys);
static td_api::object_ptr<td_api::languagePackInfo> get_language_pack_info_object(const string &language_code,
const LanguageInfo &info);
static Result<LanguageInfo> get_language_info(telegram_api::langPackLanguage *language);
static Result<LanguageInfo> get_language_info(td_api::languagePackInfo *language_pack_info);
static string get_language_info_string(const LanguageInfo &info);
static Result<tl_object_ptr<telegram_api::LangPackString>> convert_to_telegram_api(
tl_object_ptr<td_api::languagePackString> &&str);
void inc_generation();
void repair_chosen_language_info();
static bool is_valid_key(Slice key);
void save_strings_to_database(SqliteKeyValue *kv, int32 new_version, bool new_is_full, int32 new_key_count,
vector<std::pair<string, string>> strings);
void load_empty_language_pack(const string &language_code);
void on_get_language_pack_strings(string language_pack, string language_code, int32 version, bool is_diff,
vector<string> keys, vector<tl_object_ptr<telegram_api::LangPackString>> results,
Promise<td_api::object_ptr<td_api::languagePackStrings>> promise);
void on_get_all_language_pack_strings(string language_pack, string language_code,
Result<td_api::object_ptr<td_api::languagePackStrings>> r_strings);
void send_language_get_difference_query(Language *language, const string &language_code, int32 version,
Promise<Unit> &&promise);
void on_failed_get_difference(string language_pack, string language_code, Status error);
void on_get_language_info(const string &language_pack, td_api::languagePackInfo *language_pack_info);
void save_server_language_pack_infos(LanguagePack *pack);
void on_get_languages(vector<tl_object_ptr<telegram_api::langPackLanguage>> languages, string language_pack,
bool only_local, Promise<td_api::object_ptr<td_api::localizationTargetInfo>> promise);
void on_get_language(tl_object_ptr<telegram_api::langPackLanguage> lang_pack_language, string language_pack,
string language_code, Promise<td_api::object_ptr<td_api::languagePackInfo>> promise);
Status do_delete_language(string language_code);
void on_result(NetQueryPtr query) override;
void start_up() override;
void hangup() override;
void tear_down() override;
Container<Promise<NetQueryPtr>> container_;
void send_with_promise(NetQueryPtr query, Promise<NetQueryPtr> promise);
};
} // namespace td