feat(creator): 채널 홈 조회 API를 추가한다

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/adapter/in/web/CreatorChannelHomeController.kt

@@ -0,0 +1,37 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.adapter.`in`.web
+
+import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.v2.creator.channel.application.CreatorChannelHomeQueryService
+import kr.co.vividnext.sodalive.v2.creator.channel.dto.CreatorChannelHomeResponse
+import org.springframework.security.core.annotation.AuthenticationPrincipal
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("/api/v2/creator-channels")
+class CreatorChannelHomeController(
+    private val creatorChannelHomeQueryService: CreatorChannelHomeQueryService
+) {
+    @GetMapping("/{creatorId}/home")
+    fun getHome(
+        @PathVariable creatorId: Long,
+        @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
+    ) = run {
+        ApiResponse.ok(
+            CreatorChannelHomeResponse.from(
+                creatorChannelHomeQueryService.getHome(
+                    creatorId = creatorId,
+                    viewer = requireMember(member)
+                )
+            )
+        )
+    }
+
+    private fun requireMember(member: Member?): Member {
+        return member ?: throw SodaException(messageKey = "common.error.bad_credentials")
+    }
+}