콘텐츠 고정, 해제 API 추가

src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentController.kt

@@ -196,4 +196,26 @@ class AudioContentController(private val service: AudioContentService) {
     fun releaseContent() = run {
         ApiResponse.ok(service.releaseContent())
     }
+
+    @PostMapping("/pin-to-the-top/{id}")
+    @PreAuthorize("hasRole('CREATOR')")
+    fun pinToTheTop(
+        @PathVariable id: Long,
+        @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
+    ) = run {
+        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+
+        ApiResponse.ok(service.pinToTheTop(contentId = id, member = member))
+    }
+
+    @PutMapping("/unpin-at-the-top/{id}")
+    @PreAuthorize("hasRole('CREATOR')")
+    fun unpinAtTheTop(
+        @PathVariable id: Long,
+        @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
+    ) = run {
+        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+
+        ApiResponse.ok(service.unpinAtTheTop(contentId = id, member = member))
+    }
 }