private void ApplyTemplate(string templateId, SendGridEmailMessage emailMessage,
params EmailTemplateParameter[] parameters)
{
emailMessage.Content = null;
emailMessage.TemplateId = templateId;
var personalization = emailMessage.Personalizations.First();
foreach (var parameter in parameters)
{
var parameterValue = string.Format("{0}", parameter.Values.FirstOrDefault());
personalization.Substitutions[$"-{parameter.ReplacementTag}-"] = parameterValue;
}
}
protected void Configure(IApplicationBuilder app, IHostApplicationLifetime appLifetime,
SharedOptions option)
{
var emailNotify = app.ApplicationServices.GetRequiredService <IEmailNotify>();
appLifetime.ApplicationStarted.Register(async() =>
{
if (!CurrentEnv.IsDevelopment())
{
var message = new SendGridEmailMessage
{
Content = "<p>恭喜，网站已经运行起来了！</p>",
Site = Site,
Subject = "site started",
SendGridApiKey = option.SendGridApiKey,
ToEmailAddress = option.AdminEmail,
ToName = option.AdminEnglishName
};
await emailNotify.SendAsync(message);
}
});
appLifetime.ApplicationStopping.Register(async() =>
{
if (!CurrentEnv.IsDevelopment())
{
var message = new SendGridEmailMessage
{
Content = "<p>网站被停掉了，请确认是否是正常行为。</p>",
Site = Site,
Subject = "site stopped",
SendGridApiKey = option.SendGridApiKey,
ToEmailAddress = option.AdminEmail,
ToName = option.AdminEnglishName
};
await emailNotify.SendAsync(message);
}
});
if (CurrentEnv.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/error");
}
}
public async Task SendMessageAsync(SendGridEmailMessage message)
{
_httpClient.DefaultRequestHeaders.Remove("Authorization");
_httpClient.DefaultRequestHeaders.Add("Authorization", $"Bearer {_sendGridSettings.ApiKey}");
Logger.Information("Sending an email message via SendGrid.");
var payload = JsonConvert.SerializeObject(message);
var content = new StringContent(payload, Encoding.UTF8, "application/json");
var response = await _httpClient.PostAsync("mail/send", content);
if (response.IsSuccessStatusCode)
{
Logger.Information("An email message has been sent successfully via SendGrid.");
return;
}
throw new ServiceException(OperationCodes.EmailNotSent,
"There was an error while sending an email message via SendGrid." +
$"Status code: {response.StatusCode}, reason: {response.ReasonPhrase}.");
}
private SendGridEmailMessage CreateMessage(string receiver,
string subject, string message = null, string sender = null)
{
var emailMessage = new SendGridEmailMessage
{
From = new SendGridEmailMessage.Person
{
Email = sender.Empty() ? _sendGridSettings.NoReplyEmailAccount : sender
},
Subject = subject,
Personalizations = new List <SendGridEmailMessage.Personalization>()
};
emailMessage.Personalizations.Add(new SendGridEmailMessage.Personalization
{
To = new List <SendGridEmailMessage.Person>
{
new SendGridEmailMessage.Person
{
Email = receiver
}
},
Substitutions = new Dictionary <string, string>()
});
if (message.NotEmpty())
{
emailMessage.Content = new List <SendGridEmailMessage.MessageContent>()
{
new SendGridEmailMessage.MessageContent
{
Value = message
}
};
}
return(emailMessage);
}
