/// <summary>
/// Deletes an armTemplate record within an offer and removes the armTemplate file from blob storage.
/// </summary>
/// <param name="offerName">The name of the offer.</param>
/// <param name="templateName">The name of the armTempalte to delete.</param>
/// <returns>The deleted armTemplate db record.</returns>
public async Task <ArmTemplate> DeleteAsync(string offerName, string templateName)
{
_logger.LogInformation(LoggingUtils.ComposeDeleteResourceMessage(typeof(ArmTemplate).Name, templateName, offerName: offerName));
// Get the armTemplate that matches the templateName provided
var armTemplate = await GetAsync(offerName, templateName, useSaSKey : false);
// Remove the armTemplate file from blob storage
await _storageUtility.DeleteFileAsync(new Uri(armTemplate.TemplateFilePath));
// Remove the join entry form the db
await _armTemplateArmTemplateParameterService.DeleteArmTemplateJoinEntriesAsync(armTemplate.Id);
// Remove the armTemplate from the db
_context.ArmTemplates.Remove(armTemplate);
await _context._SaveChangesAsync();
_logger.LogInformation(LoggingUtils.ComposeResourceDeletedMessage(typeof(ArmTemplate).Name, templateName, offerName: offerName));
return(armTemplate);
}