Fix Brave Ads logs should not show "Failed to initialize...resource" if component updater resource does not exist

components/brave_ads/core/internal/ads_impl.cc

@@ -37,7 +37,7 @@ namespace brave_ads {
 namespace {
 
 void FailedToInitialize(InitializeCallback callback) {
-  BLOG(1, "Failed to initialize ads");
+  BLOG(0, "Failed to initialize ads");
 
   std::move(callback).Run(/*success*/ false);
 }

components/brave_ads/core/internal/resources/behavioral/anti_targeting/anti_targeting_resource.cc

@@ -40,9 +40,15 @@ void AntiTargetingResource::Load() {
 void AntiTargetingResource::OnLoadAndParseResource(
     ResourceParsingErrorOr<AntiTargetingInfo> result) {
   if (!result.has_value()) {
-    BLOG(1, result.error());
-    BLOG(1,
-         "Failed to initialize " << kResourceId << " anti-targeting resource");
+    BLOG(0, "Failed to initialize "
+                << kResourceId << " anti-targeting resource (" << result.error()
+                << ")");
+    is_initialized_ = false;
+    return;
+  }
+
+  if (result.value().version == 0) {
+    BLOG(7, kResourceId << " anti-targeting resource does not exist");
     is_initialized_ = false;
     return;
   }

components/brave_ads/core/internal/resources/behavioral/conversions/conversions_resource.cc

@@ -41,8 +41,14 @@ void ConversionsResource::Load() {
 void ConversionsResource::OnLoadAndParseResource(
     ResourceParsingErrorOr<ConversionsInfo> result) {
   if (!result.has_value()) {
-    BLOG(1, result.error());
-    BLOG(1, "Failed to initialize " << kResourceId << " conversions resource");
+    BLOG(0, "Failed to initialize " << kResourceId << " conversions resource ("
+                                    << result.error() << ")");
+    is_initialized_ = false;
+    return;
+  }
+
+  if (result.value().version == 0) {
+    BLOG(7, kResourceId << " conversions resource does not exist");
     is_initialized_ = false;
     return;
   }

components/brave_ads/core/internal/resources/behavioral/purchase_intent/purchase_intent_resource.cc

@@ -40,9 +40,15 @@ void PurchaseIntentResource::Load() {
 void PurchaseIntentResource::OnLoadAndParseResource(
     ResourceParsingErrorOr<PurchaseIntentInfo> result) {
   if (!result.has_value()) {
-    BLOG(1, result.error());
-    BLOG(1,
-         "Failed to initialize " << kResourceId << " purchase intent resource");
+    BLOG(0, "Failed to initialize " << kResourceId
+                                    << " purchase intent resource ("
+                                    << result.error() << ")");
+    is_initialized_ = false;
+    return;
+  }
+
+  if (result.value().version == 0) {
+    BLOG(7, kResourceId << " purchase intent resource does not exist");
     is_initialized_ = false;
     return;
   }

components/brave_ads/core/internal/resources/contextual/text_classification/text_classification_resource.cc

@@ -45,9 +45,14 @@ void TextClassificationResource::Load() {
 void TextClassificationResource::OnLoadAndParseResource(
     ResourceParsingErrorOr<ml::pipeline::TextProcessing> result) {
   if (!result.has_value()) {
-    BLOG(1, result.error());
-    BLOG(1, "Failed to initialize " << kResourceId
-                                    << " text classification resource");
+    BLOG(0, "Failed to initialize " << kResourceId
+                                    << " text classification resource ("
+                                    << result.error() << ")");
+    return;
+  }
+
+  if (!result.value().IsInitialized()) {
+    BLOG(7, kResourceId << " text classification resource does not exist");
     return;
   }
 

components/brave_ads/core/internal/resources/contextual/text_embedding/text_embedding_resource.cc

@@ -44,9 +44,14 @@ void TextEmbeddingResource::Load() {
 void TextEmbeddingResource::OnLoadAndParseResource(
     ResourceParsingErrorOr<ml::pipeline::EmbeddingProcessing> result) {
   if (!result.has_value()) {
-    BLOG(1, result.error());
-    BLOG(1,
-         "Failed to initialize " << kResourceId << " text embedding resource");
+    BLOG(0, "Failed to initialize "
+                << kResourceId << " text embedding resource (" << result.error()
+                << ")");
+    return;
+  }
+
+  if (!result.value().IsInitialized()) {
+    BLOG(7, kResourceId << " text embedding resource does not exist");
     return;
   }
 

components/brave_ads/core/internal/resources/resources_util_impl.h

@@ -30,7 +30,7 @@ template <typename T>
 base::expected<T, std::string> ReadFileAndParseResourceOnBackgroundThread(
     base::File file) {
   if (!file.IsValid()) {
-    return base::unexpected("File is not valid");
+    return base::ok(T{});
   }
 
   absl::optional<base::Value> root;
@@ -41,12 +41,12 @@ base::expected<T, std::string> ReadFileAndParseResourceOnBackgroundThread(
     std::string content;
     const base::ScopedFILE scoped_file(base::FileToFILE(std::move(file), "rb"));
     if (!base::ReadStreamToString(scoped_file.get(), &content)) {
-      return base::unexpected("Couldn't read file");
+      return base::unexpected("Failed to read file");
     }
 
     root = base::JSONReader::Read(content);
     if (!root || !root->is_dict()) {
-      return base::unexpected("Failed to parse JSON");
+      return base::unexpected("Invalid JSON");
     }
   }