private byte[] GetFileFromStorage(AppManifestBase manifest, FileCreator fileCreator)
{
byte[] file;
if (manifest.StorageType == StorageTypes.FileSystem)
{
file = Utility.GetFile(fileCreator.RelativeFilePath, fileCreator.IsBinary, manifest.BaseFilePath);
}
else
{
var pfc = fileCreator as ProvisioningFileCreator;
if (pfc == null)
{
var storageInfo = manifest.GetAzureStorageInfo();
var blobStorage = new BlobStorage(storageInfo.Account, storageInfo.AccountKey, storageInfo.Container);
file = blobStorage.DownloadToByteArray(fileCreator.Url);
}
else
{
var storageInfo = pfc.GetAzureStorageInfo();
var blobStorage = new BlobStorage(storageInfo.Account, storageInfo.AccountKey, storageInfo.Container);
file = blobStorage.DownloadToByteArray(fileCreator.Url);
}
}
return(file);
}
private bool FileExists(FileCreator fileCreator, ClientContext ctx, Web web, bool deleteIfFound)
{
var exists = true;
try
{
var url = fileCreator.Url;
if (web.ServerRelativeUrl != "/")
{
url = web.ServerRelativeUrl + url;
}
var file = web.GetFileByServerRelativeUrl(url);
ctx.Load(file, f => f.Exists);
ctx.ExecuteQueryRetry();
if (file.Exists)
{
if (deleteIfFound)
{
OnNotify(ProvisioningNotificationLevels.Verbose,
"Deleting file for overwrite " + fileCreator.Url);
file.DeleteObject();
try
{
ctx.ExecuteQueryRetry();
exists = false;
}
catch (Exception ex)
{
OnNotify(ProvisioningNotificationLevels.Normal, $"Unable to delete {fileCreator.Url}. Error was {ex.Message}");
}
}
else
{
OnNotify(ProvisioningNotificationLevels.Verbose,
"File exists and not set to overwrite " + fileCreator.Url);
fileCreator.File = file;
}
}
else
{
exists = false;
}
}
catch
{
//Workaround for CSOM regression defect
//wherein the check to see if the file exists throws an error if the file doesn't exist!
exists = false;
}
return(exists);
}
public bool FileExists(FileCreator creator, ClientContext ctx, bool deleteIfFound)
{
return(FileExists(creator, ctx, ctx.Web, deleteIfFound));
}
