87 lines
2.5 KiB
Dart
87 lines
2.5 KiB
Dart
// Author: fruit.com.cn
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import 'package:flutter/foundation.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'app_config.dart';
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/// Debug-only runtime server endpoint persisted outside build-time defines.
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abstract final class ServerEndpoint {
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/// Preference key used for the runtime server address.
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static const String preferenceKey = 'dev.api_base_url';
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/// Returns a normalized http(s) URL, or null for invalid input.
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static String? normalize(String? raw) {
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final value = raw?.trim() ?? '';
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final uri = Uri.tryParse(value);
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if (uri == null ||
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(uri.scheme != 'http' && uri.scheme != 'https') ||
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uri.host.isEmpty) {
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return null;
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}
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return value.replaceFirst(RegExp(r'/+$'), '');
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}
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/// Resolves runtime > dart-define > default using normalized valid values.
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static String resolve({
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required String? stored,
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required String compiled,
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required String fallback,
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}) {
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return normalize(stored) ??
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normalize(compiled) ??
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normalize(fallback) ??
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fallback;
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}
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/// Loads the persisted override before the app creates its ApiClient.
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///
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/// In release builds this returns immediately without reading preferences.
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static Future<void> load({
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bool debug = kDebugMode,
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SharedPreferences? preferences,
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}) async {
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if (!debug) return;
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try {
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final prefs = preferences ?? await SharedPreferences.getInstance();
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final stored = await prefs.getString(preferenceKey);
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AppConfig.applyRuntimeBaseUrl(
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resolve(
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stored: stored,
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compiled: AppConfig.compiledBaseUrl,
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fallback: AppConfig.defaultBaseUrl,
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),
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);
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} catch (_) {
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AppConfig.clearRuntimeBaseUrl();
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}
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}
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/// Persists a normalized runtime endpoint.
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static Future<bool> save(
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String raw, {
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SharedPreferences? preferences,
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}) async {
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final normalized = normalize(raw);
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if (normalized == null) return false;
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try {
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await (preferences ?? await SharedPreferences.getInstance()).setString(
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preferenceKey,
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normalized,
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);
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return true;
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} catch (_) {
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return false;
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}
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}
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/// Removes the persisted runtime endpoint.
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static Future<void> clear({SharedPreferences? preferences}) async {
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try {
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await (preferences ?? await SharedPreferences.getInstance()).remove(preferenceKey);
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} catch (_) {
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// Clearing an optional developer override is best effort.
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}
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}
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}
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