private async Task <UpdatedTagResult> UpdateTag(string sourceAzid, CloudBlobDirectory sourceDirectory, TagTable tagsTable, TagTransactionEntity tagTx)
{
var oldTagEntity = tagsTable.GetPrimaryTag(sourceAzid, tagTx.Id);
var json = await this.GetBlobAsString(tagTx.StagedBlobUri);
var softwareIdentity = SoftwareIdentity.LoadJson(json);
var tagEntity = this.CreateTagEntityFromSoftwareIdentity(sourceAzid, tagTx, softwareIdentity);
var redirects = UpdateInstallationMediaLinksInSoftwareIdentityAndReturnWithRedirects(sourceAzid, tagEntity.TagAzid, tagEntity.Uid, softwareIdentity);
var tagUris = await WriteVersionedTag(sourceDirectory, tagEntity, softwareIdentity);
tagEntity.JsonBlobName = tagUris.JsonUri.AbsoluteUri;
tagEntity.XmlBlobName = tagUris.XmlUri.AbsoluteUri;
var primaryTag = tagEntity.AsPrimary();
primaryTag.DownloadCount = oldTagEntity.DownloadCount;
return(new UpdatedTagResult()
{
NewSourceUris = tagUris,
OldSourceUris = new TagBlobUris
{
JsonUri = new Uri(oldTagEntity.JsonBlobName),
XmlUri = new Uri(oldTagEntity.XmlBlobName)
},
Redirects = redirects,
Tag = tagEntity,
PrimaryTag = primaryTag
});
}
private static bool TryLoadJsonTag(string text, out SoftwareIdentity tag)
{
try
{
tag = SoftwareIdentity.LoadJson(text);
}
catch (Exception)
{
tag = null;
}
return(tag != null);
}
private async Task <SoftwareIdentity> GetIndexSoftwareIdentity(CloudBlobDirectory sourcesDirectory, string contentType)
{
var extension = (contentType == FearTheCowboy.Iso19770.Schema.MediaType.SwidTagJsonLd) ? "json" : "xml";
var indexBlob = sourcesDirectory.GetBlockBlobReference(String.Format("index.{0}.SoftwareIdentity", extension));
if (indexBlob.Exists())
{
var text = await indexBlob.DownloadTextAsync();
return((contentType == FearTheCowboy.Iso19770.Schema.MediaType.SwidTagJsonLd) ? SoftwareIdentity.LoadJson(text) : SoftwareIdentity.LoadXml(text));
}
return(new SoftwareIdentity()
{
Name = "AppSyndication Index", TagId = indexBlob.Uri.AbsoluteUri
});
}