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refactor: optimize the way to obtain plugin configurations (halo-dev#135
) ### What this PR does? /kind improvement 优化插件配置的获取方式 2.17.0 已经对配置获取增加了缓存因此不必在需要插件手动处理 ```release-note None ```
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68 changes: 11 additions & 57 deletions
68
src/main/java/run/halo/comment/widget/SettingConfigGetterImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,76 +1,30 @@ | ||
| package run.halo.comment.widget; | ||
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| import static run.halo.app.extension.index.query.QueryFactory.equal; | ||
|
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| import java.util.function.Function; | ||
| import com.google.common.cache.Cache; | ||
| import com.google.common.cache.CacheBuilder; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.springframework.stereotype.Component; | ||
| import reactor.core.publisher.Mono; | ||
| import run.halo.app.extension.ConfigMap; | ||
| import run.halo.app.extension.DefaultExtensionMatcher; | ||
| import run.halo.app.extension.ExtensionClient; | ||
| import run.halo.app.extension.controller.Controller; | ||
| import run.halo.app.extension.controller.ControllerBuilder; | ||
| import run.halo.app.extension.controller.Reconciler; | ||
| import run.halo.app.extension.router.selector.FieldSelector; | ||
| import run.halo.app.plugin.ReactiveSettingFetcher; | ||
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| @Component | ||
| @RequiredArgsConstructor | ||
| public class SettingConfigGetterImpl implements SettingConfigGetter { | ||
| private final ReactiveSettingFetcher settingFetcher; | ||
| private final SettingConfigCache settingConfigCache; | ||
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| @Override | ||
| public Mono<SecurityConfig> getSecurityConfig() { | ||
| return settingConfigCache.get("security", | ||
| key -> settingFetcher.fetch("security", SecurityConfig.class) | ||
| .defaultIfEmpty(SecurityConfig.empty()) | ||
| ); | ||
| public Mono<BasicConfig> getBasicConfig() { | ||
| return settingFetcher.fetch(BasicConfig.GROUP, BasicConfig.class) | ||
| .defaultIfEmpty(new BasicConfig()); | ||
| } | ||
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| interface SettingConfigCache { | ||
| <T> Mono<T> get(String key, Function<String, Mono<T>> loader); | ||
| @Override | ||
| public Mono<AvatarConfig> getAvatarConfig() { | ||
| return settingFetcher.fetch(AvatarConfig.GROUP, AvatarConfig.class) | ||
| .defaultIfEmpty(new AvatarConfig()); | ||
| } | ||
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| @Component | ||
| @RequiredArgsConstructor | ||
| static class SettingConfigCacheImpl implements Reconciler<Reconciler.Request>, SettingConfigCache { | ||
| private static final String CONFIG_NAME = "plugin-comment-widget-configmap"; | ||
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| private final Cache<String, Object> cache = CacheBuilder.newBuilder() | ||
| .maximumSize(10) | ||
| .build(); | ||
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| private final ExtensionClient client; | ||
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| @SuppressWarnings("unchecked") | ||
| public <T> Mono<T> get(String key, Function<String, Mono<T>> loader) { | ||
| return Mono.justOrEmpty(cache.getIfPresent(key)) | ||
| .switchIfEmpty(loader.apply(key).doOnNext(value -> cache.put(key, value))) | ||
| .map(object -> (T) object); | ||
| } | ||
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| @Override | ||
| public Result reconcile(Request request) { | ||
| cache.invalidateAll(); | ||
| return Result.doNotRetry(); | ||
| } | ||
|
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| @Override | ||
| public Controller setupWith(ControllerBuilder builder) { | ||
| var extension = new ConfigMap(); | ||
| var extensionMatcher = DefaultExtensionMatcher.builder(client, extension.groupVersionKind()) | ||
| .fieldSelector(FieldSelector.of(equal("metadata.name", CONFIG_NAME))) | ||
| .build(); | ||
| return builder | ||
| .extension(extension) | ||
| .syncAllOnStart(false) | ||
| .onAddMatcher(extensionMatcher) | ||
| .onUpdateMatcher(extensionMatcher) | ||
| .build(); | ||
| } | ||
| @Override | ||
| public Mono<SecurityConfig> getSecurityConfig() { | ||
| return settingFetcher.fetch(SecurityConfig.GROUP, SecurityConfig.class) | ||
| .defaultIfEmpty(SecurityConfig.empty()); | ||
| } | ||
| } |
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