feat(BlobStorageAdapter.cs): supress error "BlobNotFound" and return …

src/Liquid.Adapter.AzureStorage/BlobStorageAdapter.cs

@@ -1,4 +1,5 @@
-using Azure.Storage.Blobs.Models;
+using Azure;
+using Azure.Storage.Blobs.Models;
 using Azure.Storage.Blobs.Specialized;
 using Azure.Storage.Sas;
 using System.Diagnostics.CodeAnalysis;
@@ -33,7 +34,7 @@
 
             foreach (var tag in tags)
             {
                 stringFilter += @$"""{tag.Key}"" = '{tag.Value}' AND ";
             }
 
             stringFilter = stringFilter.Substring(0, stringFilter.Length - 4);
@@ -43,7 +44,7 @@
                 var blockBlob = client.GetBlockBlobClient(blobItem.BlobName);
 
                 await blockBlob.DeleteAsync();
             };
         }
 
         ///<inheritdoc/>
@@ -89,7 +90,7 @@
             var stringFilter = string.Empty;
             foreach (var tag in tags)
             {
                 stringFilter += @$"""{tag.Key}"" = '{tag.Value}' AND ";
             }
             stringFilter = stringFilter.Substring(0, stringFilter.Length - 4);
 
@@ -129,19 +130,31 @@
         ///<inheritdoc/>
         public async Task<LiquidBlob> ReadBlobsByName(string blobName, string containerName)
         {
-            var client = _factory.GetContainerClient(containerName);
+            try
+            {
+                var client = _factory.GetContainerClient(containerName);
+                var blockBlob = client.GetBlockBlobClient(blobName);
+                var blob = await blockBlob.DownloadContentAsync();
+                var item = new LiquidBlob
+                {
+                    Blob = blob.Value.Content.ToArray(),
+                    Tags = blockBlob.GetTags().Value.Tags,
+                    Name = blobName,
+                    AbsoluteUri = blockBlob.Uri.AbsoluteUri
+                };
 
-            var blockBlob = client.GetBlockBlobClient(blobName);
-            var blob = await blockBlob.DownloadContentAsync();
-            var item = new LiquidBlob
+                return item;
+            }
+            catch (RequestFailedException storageRequestFailedException)
+                when (storageRequestFailedException.ErrorCode == BlobErrorCode.BlobNotFound)
             {
-                Blob = blob.Value.Content.ToArray(),
-                Tags = blockBlob.GetTags().Value.Tags,
-                Name = blobName,
-                AbsoluteUri = blockBlob.Uri.AbsoluteUri
-            };
+                return null;
+            }
+            catch (Exception)
+            {
+                throw;
+            }
 
-            return item;
         }
 
         ///<inheritdoc/>

src/Liquid.Adapter.AzureStorage/Liquid.Adapter.AzureStorage.csproj

@@ -8,7 +8,7 @@
 	  <Company>Avanade Inc.</Company>
 	  <Product>Liquid - Modern Application Framework</Product>
 	  <Copyright>Avanade 2019</Copyright>
-	  <Version>6.0.0-preview-20221201-03</Version>
+	  <Version>6.0.0-preview-20221201-04</Version>
 	  <GenerateDocumentationFile>true</GenerateDocumentationFile>
 	  <IsPackable>true</IsPackable>
 	  <Description>