public static async Task Run(
[QueueTrigger("unconfirmed-formdata")] ContactFormModel formData,
[SendGrid] IAsyncCollector <SendGridMessage> emailCollector,
[Table("AwaitConfirmationFormData")] IAsyncCollector <ContactFormEntity> formDataTable,
ExecutionContext context,
ILogger log)
{
log.LogInformation($"SendConfirmationEmail: Queue trigger fired");
var config = new ConfigurationBuilder()
.SetBasePath(context.FunctionAppDirectory)
.AddJsonFile("sites_configuration.json", optional: true, reloadOnChange: true)
.Build();
var html = await GetEmailContent(context, config, formData);
var message = BuildMessage(config, formData, html);
log.LogInformation($"SendConfirmationEmail: Sending confirmation email");
await emailCollector.AddAsync(message);
log.LogInformation($"SendConfirmationEmail: Awaiting confirmation");
var entity = new ContactFormEntity(formData);
await formDataTable.AddAsync(entity);
}
private static SendGridMessage BuildMessage(IConfiguration config, ContactFormModel data, string body)
{
var message = new SendGridMessage();
message.AddTo(data.EmailAddress, $"{data.Name}");
message.AddContent("text/html", body);
message.SetFrom(
config.GetSection(data.Hostname).GetSection("fromAddress").Value,
config.GetSection(data.Hostname).GetSection("fromDisplayName").Value);
message.SetSubject(config.GetSection(data.Hostname).GetSection("confirmationSubject").Value);
return(message);
}
private static string GetEndpoint(IConfiguration config, ContactFormModel data)
{
var endpoint = config.GetSection(data.Hostname).GetSection("Endpoint").Value;
return(endpoint.Replace("{{identifier}}", data.Id.ToString()));
}
private static async Task <string> GetEmailContent(ExecutionContext context, IConfiguration config, ContactFormModel data)
{
var file = Path.Combine(context.FunctionAppDirectory, $"Templates/{data.Hostname.ToLowerInvariant()}/confirm_template.html");
var html = await File.ReadAllTextAsync(file);
var endpoint = GetEndpoint(config, data);
return(html
.Replace("{{name}}", $"{data.Name}")
.Replace("{{endpoint}}", endpoint)
.Replace("{{hostname}}", data.Hostname)
.Replace("{{identifier}}", data.Id.ToString()));
}