Enable configuration caching with separate names (#4151)

#### What type of PR is this?

/kind feature
/area core
/milestone 2.7.x

#### What this PR does / why we need it:

Refactor configuration properties to configure caching with separate names, so that we can enable / disable cache with name.

#### Which issue(s) this PR fixes:

Fixes https://github.com/halo-dev/halo/issues/4144

#### Does this PR introduce a user-facing change?

```release-note
None
```

application/src/main/java/run/halo/app/cache/PageCacheWebFilter.java

@@ -30,15 +30,15 @@ import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
 @Slf4j
-public class CacheWebFilter implements WebFilter, Ordered {
+public class PageCacheWebFilter implements WebFilter, Ordered {
 
     public static final String REQUEST_TO_CACHE = "RequestCacheWebFilterToCache";
 
-    public static final String CACHE_NAME = "page-cache";
+    public static final String CACHE_NAME = "page";
 
     private final Cache cache;
 
-    public CacheWebFilter(CacheManager cacheManager) {
+    public PageCacheWebFilter(CacheManager cacheManager) {
         this.cache = cacheManager.getCache(CACHE_NAME);
     }
 

application/src/main/java/run/halo/app/config/CacheConfiguration.java

@@ -6,15 +6,15 @@ import org.springframework.cache.annotation.EnableCaching;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.server.WebFilter;
-import run.halo.app.cache.CacheWebFilter;
+import run.halo.app.cache.PageCacheWebFilter;
 
 @EnableCaching
 @Configuration
 public class CacheConfiguration {
 
     @Bean
-    @ConditionalOnProperty(name = "halo.cache.disabled", havingValue = "false")
+    @ConditionalOnProperty(name = "halo.cache.page.disabled", havingValue = "false")
-    WebFilter cacheWebFilter(CacheManager cacheManager) {
+    WebFilter pageCacheWebFilter(CacheManager cacheManager) {
-        return new CacheWebFilter(cacheManager);
+        return new PageCacheWebFilter(cacheManager);
     }
 }

application/src/main/java/run/halo/app/infra/properties/CacheProperties.java

@@ -5,6 +5,6 @@ import lombok.Data;
 @Data
 public class CacheProperties {
 
-    private boolean disabled = true;
+    private boolean disabled;
 
 }

application/src/main/java/run/halo/app/infra/properties/HaloProperties.java

@@ -5,6 +5,8 @@ import jakarta.validation.constraints.NotNull;
 import java.net.URL;
 import java.nio.file.Path;
 import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.Map;
 import java.util.Set;
 import lombok.Data;
 import org.springframework.boot.context.properties.ConfigurationProperties;
@@ -59,7 +61,7 @@ public class HaloProperties implements Validator {
     private final AttachmentProperties attachment = new AttachmentProperties();
 
     @Valid
-    private final CacheProperties cache = new CacheProperties();
+    private final Map<String, CacheProperties> caches = new LinkedHashMap<>();
 
     @Override
     public boolean supports(Class<?> clazz) {

application/src/main/java/run/halo/app/theme/HaloViewResolver.java

@@ -15,7 +15,7 @@ import org.thymeleaf.spring6.view.reactive.ThymeleafReactiveView;
 import org.thymeleaf.spring6.view.reactive.ThymeleafReactiveViewResolver;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
-import run.halo.app.cache.CacheWebFilter;
+import run.halo.app.cache.PageCacheWebFilter;
 import run.halo.app.theme.finders.FinderRegistry;
 
 @Component("thymeleafReactiveViewResolver")
@@ -53,7 +53,7 @@ public class HaloViewResolver extends ThymeleafReactiveViewResolver {
             return themeResolver.getTheme(exchange).flatMap(theme -> {
                 // calculate the engine before rendering
                 setTemplateEngine(engineManager.getTemplateEngine(theme));
-                exchange.getAttributes().put(CacheWebFilter.REQUEST_TO_CACHE, true);
+                exchange.getAttributes().put(PageCacheWebFilter.REQUEST_TO_CACHE, true);
                 return super.render(model, contentType, exchange);
             });
         }

application/src/main/resources/application.yaml

@@ -33,6 +33,10 @@ spring:
       spec: expireAfterAccess=1h, maximumSize=10000
 
 halo:
+  caches:
+    page:
+      # Disable page cache by default due to experimental feature
+      disabled: true
   work-dir: ${user.home}/.halo2
   plugin:
     plugins-root: ${halo.work-dir}/plugins

console/src/modules/dashboard/widgets/QuickLinkWidget.vue

@@ -173,7 +173,7 @@ const actions: Action[] = [
         confirmText: t("core.common.buttons.confirm"),
         cancelText: t("core.common.buttons.cancel"),
         onConfirm: async () => {
-          await apiClient.cache.invalidCache({ name: "page-cache" });
+          await apiClient.cache.invalidCache({ name: "page" });
           Toast.success(
             t(
               "core.dashboard.widgets.presets.quicklink.actions.refresh_page_cache.success_message"

docs/cache/page.md

@@ -1,6 +1,21 @@
-# 页面缓存
+# 缓存
 
-Halo 的主要应用以博客为主，页面更新不会特别频繁，大多数情况下，实时渲染的结果都是没有变化的。如果能够缓存这些不经常变更的页面，可减少数据库访问，加快访问速度。
+缓存在各个领域用得非常广泛，例如 CPU 的三级缓存，可加速从主内存中获取数据到处理器。Halo 的主要应用以博客为主，页面更新不会特别频繁，大多数情况下，实时渲染的结果都是没有变化的。如果能够缓存这些不经常变更的页面，可减少数据库访问，加快访问速度。
+
+Halo 采用由 Spring 框架提供的 Caching 作为缓存框架。该缓存框架面对各种缓存实现，提供了统一的访问入口，后续更换缓存仅需修改少量代码和配置。
+
+Halo 默认提供了 CacheProperties 用于启用/禁用缓存，示例如下：
+
+```yaml
+halo:
+  caches:
+    page:
+      disabled: true
+    others:
+      disabled: false
+```
+
+# 页面缓存
 
 页面缓存包括缓存响应体、响应头和响应状态。页面缓存规则如下：
 
@@ -9,4 +24,10 @@ Halo 的主要应用以博客为主，页面更新不会特别频繁，大多数
 3. 仅缓存响应状态为 `HTTP 200（OK）`。
 4. 请求访问为 `GET`。
 
-默认缓存失效时间：距最新一次访问 `1` 小时。 默认最大缓存数量：`10,000` 个
+缓存详情见下表：
+
+| 术语   | 值              |
+|------|----------------|
+| 名称   | `page`         |
+| 失效时间 | 距最近一次访问 `1` 小时 |
+| 缓存数量 | `10,000` 个     |