public async Task <string> GetContents(EmailTemplateOptions templateOptions)
{
if (!CanHandle(templateOptions))
{
return(string.Empty);
}
var filename = templateOptions.File;
var assembly = Assembly.GetExecutingAssembly();
var resourceName = assembly
.GetManifestResourceNames()
.SingleOrDefault(f => f.EndsWith(filename, StringComparison.OrdinalIgnoreCase));
if (string.IsNullOrWhiteSpace(resourceName))
{
throw new FileNotFoundException(
$"The embedded resource {filename} can't be found within {assembly.GetName().Name} assembly");
}
await using var stream = assembly.GetManifestResourceStream(resourceName);
if (stream == null)
{
throw new EndOfStreamException($"No stream for {resourceName}");
}
using var streamReader = new StreamReader(stream);
return(await streamReader.ReadToEndAsync());
}
public async Task <string> Generate(object data, Action <EmailTemplateOptions> options)
{
var templateOptions = new EmailTemplateOptions();
options(templateOptions);
return(await Generate(data, templateOptions));
}
public async Task <string> GetContents(EmailTemplateOptions options)
{
var filePath = options.File;
if (!Path.IsPathRooted(filePath))
{
var buildDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
filePath = Path.Combine(buildDir ?? string.Empty, filePath.Replace("~/", string.Empty));
}
var content = await _fileReader.ReadContents(filePath);
return(content);
}
public async Task <string> Generate(object data, EmailTemplateOptions options)
{
var provider =
_templateProviders.FirstOrDefault(templateProvider => templateProvider.CanHandle(options));
if (provider == null)
{
return(string.Empty);
}
var templateContent = await provider.GetContents(options);
var parsedContent = await _templateParser.Parse(templateContent, data);
return(parsedContent);
}
public async Task <EmailTemplate> Get(EmailTemplateOptions id) => await _context.EmailTemplate.FindAsync(id);
public bool CanHandle(EmailTemplateOptions options)
{
return(options.FileStorageType == FileStorageTypes.Local);
}
public EmailService(IEmailFramework emailFramework, IOptions <EmailTemplateOptions> emailTemplateOptions, IHostEnvironment hostEnvironment)
{
_emailFramework = emailFramework;
_emailTemplateOptions = emailTemplateOptions.Value ?? throw new ArgumentException("Email template options not provided");
_isDevelopment = hostEnvironment.IsDevelopment();
}
