Better maxAge check

JimBobSquarePants · JimBobSquarePants · commit c24006b05cea · 2020-08-31T21:52:50.000+01:00
diff --git a/src/ImageSharp.Web.Providers.Azure/Resolvers/AzureBlobStorageImageResolver.cs b/src/ImageSharp.Web.Providers.Azure/Resolvers/AzureBlobStorageImageResolver.cs
@@ -37,9 +37,9 @@ public async Task<ImageMetadata> GetMetaDataAsync()
             if (CacheControlHeaderValue.TryParse(properties.CacheControl, out CacheControlHeaderValue cacheControl))
             {
                 // Weirdly passing null to TryParse returns true.
-                if (cacheControl != null)
+                if (cacheControl?.MaxAge.HasValue == true)
                 {
-                    maxAge = cacheControl.MaxAge.GetValueOrDefault();
+                    maxAge = cacheControl.MaxAge.Value;
                 }
             }
 

Original file line number	Diff line number	Diff line change
`@@ -37,9 +37,9 @@ public async Task<ImageMetadata> GetMetaDataAsync()`
`37`	`37`	`if (CacheControlHeaderValue.TryParse(properties.CacheControl, out CacheControlHeaderValue cacheControl))`
`38`	`38`	`{`
`39`	`39`	`// Weirdly passing null to TryParse returns true.`
`40`		`- if (cacheControl != null)`
	`40`	`+ if (cacheControl?.MaxAge.HasValue == true)`
`41`	`41`	`{`
`42`		`- maxAge = cacheControl.MaxAge.GetValueOrDefault();`
	`42`	`+ maxAge = cacheControl.MaxAge.Value;`
`43`	`43`	`}`
`44`	`44`	`}`
`45`	`45`