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perf(frontend): implement thumbnail caching (#19)
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- Simply uses the Spring Side cache headers, which permits the browser to cache the thumbnail
- Max cache time of 2 days before re-fetch required
- Closes #13

Reviewed-on: https://gitea.vodsystem.ddns.net/dylan/vod-system/pulls/19
This commit was merged in pull request #19.
This commit is contained in:
Dylan De Faoite
2026-08-18 21:47:47 +01:00
parent 9c6002fe77
commit 1c098028ab
3 changed files with 15 additions and 21 deletions
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10
src/main/java/com/ddf/vodsystem/controllers/ClipController.java
View File

@@ -6,14 +6,12 @@ import com.ddf.vodsystem.controllers.dto.ClipUpdateRequest;
import com.ddf.vodsystem.entities.Clip;
import com.ddf.vodsystem.services.ClipService;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.MediaTypeFactory;
import org.springframework.http.ResponseEntity;
import org.springframework.http.*;
import org.springframework.web.bind.annotation.*;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;
@RestController
@RequestMapping("/api/v1/clips")
@@ -96,7 +94,7 @@ public class ClipController {
}
@GetMapping("/{id}/thumbnail")
public ResponseEntity<Resource> downloadThumbnail(@PathVariable Long id) {
public ResponseEntity<Resource> downloadThumbnail(@PathVariable Long id) throws IOException {
Resource resource = clipService.downloadThumbnail(id);
if (resource == null || !resource.exists()) {
@@ -104,6 +102,8 @@ public class ClipController {
}
return ResponseEntity.ok()
.cacheControl(CacheControl.maxAge(2, TimeUnit.DAYS).cachePublic())
.lastModified(resource.lastModified())
.header(HttpHeaders.CONTENT_DISPOSITION, String.format(FILENAME_HEADER, resource.getFilename()))
.contentType(MediaTypeFactory.getMediaType(resource).orElse(MediaType.APPLICATION_OCTET_STREAM))
.body(resource);

10
src/main/java/com/ddf/vodsystem/controllers/VodController.java
View File

@@ -6,14 +6,12 @@ import com.ddf.vodsystem.dto.APIResponse;
import com.ddf.vodsystem.entities.Vod;
import com.ddf.vodsystem.services.VodService;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.MediaTypeFactory;
import org.springframework.http.ResponseEntity;
import org.springframework.http.*;
import org.springframework.web.bind.annotation.*;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;
@RestController
@RequestMapping("/api/v1/vods")
@@ -73,7 +71,7 @@ public class VodController {
}
@GetMapping("/{id}/thumbnail")
public ResponseEntity<Resource> downloadThumbnail(@PathVariable Long id) {
public ResponseEntity<Resource> downloadThumbnail(@PathVariable Long id) throws IOException {
Resource resource = vodService.downloadThumbnail(id);
if (resource == null || !resource.exists()) {
@@ -81,6 +79,8 @@ public class VodController {
}
return ResponseEntity.ok()
.cacheControl(CacheControl.maxAge(2, TimeUnit.DAYS).cachePublic())
.lastModified(resource.lastModified())
.header(HttpHeaders.CONTENT_DISPOSITION, String.format(FILENAME_HEADER, resource.getFilename()))
.contentType(MediaTypeFactory.getMediaType(resource).orElse(MediaType.APPLICATION_OCTET_STREAM))
.body(resource);