e30ae8ed09
- App.tsx: full navigation (Auth stack + Main tabs with 5 screens) - Auth: LoginScreen, RegisterScreen, ForgotPasswordScreen - HomeScreen: dashboard with IoT metrics, weather widget, alerts, quick actions, sensors - MapScreen: interactive map with layer toggles (6 layers) - MarketplaceScreen: categories (6), products (5), search - ChatScreen: AI chat with quick prompts (4), bot responses - ProfileScreen: user info, stats, menu (9 items), logout - AlertsScreen: alert list with severity, acknowledge - SensorsScreen: sensor list with type filters (6 types), search - ZonesScreen: zone cards with stats - SettingsScreen: language picker (FR/EN/ES/DE), privacy, about - Stores: iotStore (sensors, zones, alerts), notificationStore, uiStore + i18n - Hooks: useSensors, useAlerts, useNotifications, useLocation - Components: Card, Button, LoadingSpinner, ErrorBoundary, Header - Services: iotService, notificationService (with axios API client) - Utils: formatters (temp, AQI, noise, dates), validators (email, password, IBAN) - Theme: colors.ts with full design system (Blue Ocean palette) - Ditto: fixed MongoDB connection, new JWT secrets, official gateway image
111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <memory>
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#include <mutex>
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#include <optional>
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#include <shared_mutex>
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#include <string>
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#include <unordered_map>
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#include <react/debug/flags.h>
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#include <react/debug/react_native_assert.h>
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namespace facebook::react {
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/*
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* General purpose dependency injection container.
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* Instance types must be copyable.
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*/
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class ContextContainer final {
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public:
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using Shared = std::shared_ptr<const ContextContainer>;
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/*
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* Registers an instance of the particular type `T` in the container
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* using the provided `key`. Only one instance can be registered per key.
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* The method does nothing if given `key` already exists in the container.
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*
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* Convention is to use the plain base class name for the key, so for
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* example if the type `T` is `std::shared_ptr<const ReactNativeConfig>`,
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* then one would use `"ReactNativeConfig"` for the `key`, even if the
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* instance is actually a `shared_ptr` of derived class
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*`ReactNativeConfig`.
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*/
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template <typename T>
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void insert(const std::string& key, T const& instance) const {
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std::unique_lock lock(mutex_);
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instances_.insert({key, std::make_shared<T>(instance)});
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}
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/*
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* Removes an instance stored for a given `key`.
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* Does nothing if the instance was not found.
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*/
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void erase(const std::string& key) const {
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std::unique_lock lock(mutex_);
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instances_.erase(key);
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}
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/*
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* Updates the container with values from a given container.
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* Values with keys that already exist in the container will be replaced with
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* values from the given container.
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*/
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void update(const ContextContainer& contextContainer) const {
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std::unique_lock lock(mutex_);
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for (const auto& pair : contextContainer.instances_) {
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instances_.erase(pair.first);
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instances_.insert(pair);
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}
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}
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/*
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* Returns a previously registered instance of the particular type `T`
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* for `key`.
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* Throws an exception if the instance could not be found.
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*/
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template <typename T>
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T at(const std::string& key) const {
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std::shared_lock lock(mutex_);
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react_native_assert(
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instances_.find(key) != instances_.end() &&
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"ContextContainer doesn't have an instance for given key.");
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return *static_cast<T*>(instances_.at(key).get());
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}
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/*
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* Returns a (wrapped in an optional) previously registered instance of
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* the particular type `T` for given `key`.
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* Returns an empty optional if the instance could not be found.
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*/
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template <typename T>
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std::optional<T> find(const std::string& key) const {
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std::shared_lock lock(mutex_);
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auto iterator = instances_.find(key);
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if (iterator == instances_.end()) {
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return {};
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}
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return *static_cast<T*>(iterator->second.get());
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}
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private:
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mutable std::shared_mutex mutex_;
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// Protected by mutex_`.
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mutable std::unordered_map<std::string, std::shared_ptr<void>> instances_;
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};
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} // namespace facebook::react
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