feat(media): 支持后台转码配置与缩略图轴

fruitshorts-admin-api/src/main/java/com/fruitshorts/admin/controller/MediaController.java

@@ -5,7 +5,10 @@ package com.fruitshorts.admin.controller;
 import com.fruitshorts.common.pojo.Result;
 import com.fruitshorts.framework.security.SecurityUtils;
 import com.fruitshorts.framework.security.ImpersonationGuard;
+import com.fruitshorts.framework.log.OperationLog;
+import com.fruitshorts.media.config.MediaTranscodeProfile;
 import com.fruitshorts.media.service.MediaService;
+import com.fruitshorts.media.service.MediaTranscodeProfileService;
 import com.fruitshorts.media.vo.MediaAssetRespVO;
 import com.fruitshorts.media.vo.UploadCompleteReqVO;
 import com.fruitshorts.media.vo.UploadInitReqVO;
@@ -19,6 +22,7 @@ import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -35,6 +39,7 @@ import org.springframework.web.multipart.MultipartFile;
 public class MediaController {
 
     private final MediaService mediaService;
+    private final MediaTranscodeProfileService profileService;
 
     @Operation(summary = "初始化分片上传")
     @PostMapping("/upload/init")
@@ -78,4 +83,21 @@ public class MediaController {
     public Result<MediaAssetRespVO> get(@PathVariable Long id) {
         return Result.ok(mediaService.get(id));
     }
+
+    @Operation(summary = "读取转码档位配置")
+    @GetMapping("/transcode-profile")
+    @PreAuthorize("@ss.hasPermission('episode:upload')")
+    public Result<MediaTranscodeProfile> transcodeProfile() {
+        return Result.ok(profileService.readConfiguredProfile());
+    }
+
+    @Operation(summary = "保存转码档位配置")
+    @PutMapping("/transcode-profile")
+    @PreAuthorize("@ss.hasPermission('episode:upload')")
+    @OperationLog(module = "后台管理", action = "修改转码设置")
+    public Result<MediaTranscodeProfile> saveTranscodeProfile(
+            @Valid @RequestBody MediaTranscodeProfile profile) {
+        ImpersonationGuard.rejectWrite();
+        return Result.ok(profileService.save(profile));
+    }
 }

fruitshorts-admin-api/src/test/java/com/fruitshorts/admin/controller/MediaTranscodeProfileContractTest.java

@@ -0,0 +1,98 @@
+// Author: fruit.com.cn
+
+package com.fruitshorts.admin.controller;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fruitshorts.admin.support.ControllerContractSupport;
+import com.fruitshorts.media.config.MediaTranscodeProfile;
+import com.fruitshorts.media.config.TranscodeProperties;
+import com.fruitshorts.media.service.MediaService;
+import com.fruitshorts.media.service.MediaTranscodeProfileService;
+import com.fruitshorts.system.service.ConfigService;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * 后台转码配置接口：默认值、非法拒绝与成功落库。
+ */
+class MediaTranscodeProfileContractTest {
+
+    private ConfigService configService;
+    private ObjectMapper objectMapper;
+    private MockMvc mockMvc;
+
+    @BeforeEach
+    void setUp() {
+        configService = mock(ConfigService.class);
+        objectMapper = new ObjectMapper();
+        MediaTranscodeProfileService profileService = new MediaTranscodeProfileService(
+                configService, objectMapper, new TranscodeProperties());
+        MediaController controller = new MediaController(mock(MediaService.class), profileService);
+        mockMvc = ControllerContractSupport.mockMvcOf(controller);
+        given(configService.get(eq(MediaTranscodeProfileService.CONFIG_KEY), anyString()))
+                .willReturn("");
+    }
+
+    @Test
+    void should_return_default_profile_when_config_is_missing() throws Exception {
+        mockMvc.perform(get("/admin/media/transcode-profile"))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.code").value(0))
+                .andExpect(jsonPath("$.data.segmentSeconds").value(6))
+                .andExpect(jsonPath("$.data.ladder.length()").value(4))
+                .andExpect(jsonPath("$.data.ladder[0].quality").value("360p"))
+                .andExpect(jsonPath("$.data.sprite.columns").value(10));
+    }
+
+    @Test
+    void should_reject_illegal_profile_without_writing_config() throws Exception {
+        MediaTranscodeProfile profile = new MediaTranscodeProfile();
+        profile.getLadder().get(0).setWidth(641);
+
+        mockMvc.perform(put("/admin/media/transcode-profile")
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(objectMapper.writeValueAsString(profile)))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.code").value(400))
+                .andExpect(jsonPath("$.message").value("宽高必须为正偶数"));
+
+        verify(configService, never()).update(any());
+    }
+
+    @Test
+    void should_persist_profile_when_request_is_valid() throws Exception {
+        MediaTranscodeProfile profile = new MediaTranscodeProfile();
+        profile.setSegmentSeconds(4);
+
+        mockMvc.perform(put("/admin/media/transcode-profile")
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(objectMapper.writeValueAsString(profile)))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.code").value(0))
+                .andExpect(jsonPath("$.data.segmentSeconds").value(4));
+
+        @SuppressWarnings("unchecked")
+        ArgumentCaptor<Map<String, String>> captor = ArgumentCaptor.forClass(Map.class);
+        verify(configService).update(captor.capture());
+        assertThat(captor.getValue().get(MediaTranscodeProfileService.CONFIG_KEY))
+                .contains("\"segmentSeconds\":4");
+    }
+}