[Fix] #319 카페 상세, thumbnail image, placeholder 사양 수정

Author: applebuddy

Projects/Coffice/Sources/App/Main/Search/CafeDetail/CafeDetailHeaderView.swift

@@ -112,19 +112,22 @@ extension CafeDetailHeaderView {
         if let imageUrls = viewStore.cafe?.imageUrls,
            imageUrls.isNotEmpty {
           TabView {
-            ForEach(imageUrls, id: \.self) { imageUrl in
-              LinearGradient(
-                gradient: Gradient(colors: [.black.opacity(0.06), .black.opacity(0.3)]),
-                startPoint: .top,
-                endPoint: .bottom
-              )
-              .background(alignment: .center) {
-                KFImage.url(URL(string: imageUrl))
-                  .placeholder {
-                    imagePlaceholderView
+            ForEach(imageUrls, id: \.self) { imageUrlString in
+              Group {
+                if let imageUrl = URL(string: imageUrlString) {
+                  LinearGradient(
+                    gradient: Gradient(colors: [.black.opacity(0.06), .black.opacity(0.3)]),
+                    startPoint: .top,
+                    endPoint: .bottom
+                  )
+                  .background(alignment: .center) {
+                    KFImage.url(imageUrl)
+                      .resizable()
+                      .scaledToFill()
                   }
-                  .resizable()
-                  .scaledToFill()
+                } else {
+                  imagePlaceholderView
+                }
               }
             }
           }
@@ -138,15 +141,14 @@ extension CafeDetailHeaderView {
   }
 
   private var imagePlaceholderView: some View {
-    LinearGradient(
-      gradient: Gradient(colors: [.black.opacity(0.06), .black.opacity(0.3)]),
-      startPoint: .top,
-      endPoint: .bottom
-    )
-    .background(alignment: .center) {
-      CofficeAsset.Asset.icPlaceholder.swiftUIImage
-        .padding(.top, UIApplication.keyWindow?.safeAreaInsets.top ?? 0.0)
-    }
+    CofficeAsset.Colors.grayScale2.swiftUIColor
+      .overlay(
+        alignment: .center,
+        content: {
+          CofficeAsset.Asset.icPlaceholder.swiftUIImage
+            .padding(.top, UIApplication.keyWindow?.safeAreaInsets.top ?? 0.0)
+        }
+      )
   }
 }