postmark 2.0.1

Postmark rust client
Documentation 
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use std::borrow::Cow;

use serde::{Deserialize, Serialize};

use super::send_email_batch::SendEmailBatchResponse;
use super::send_email_with_template::SendEmailWithTemplateRequest;
use crate::Endpoint;

/// Send multiple emails at once
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Default)]
#[serde(rename_all = "PascalCase")]
pub struct SendEmailBatchWithTemplatesRequest {
    pub messages: Vec<SendEmailWithTemplateRequest>,
}

impl Endpoint for SendEmailBatchWithTemplatesRequest {
    type Request = SendEmailBatchWithTemplatesRequest;
    type Response = SendEmailBatchResponse;

    fn endpoint(&self) -> Cow<'static, str> {
        "/email/batchWithTemplates".into()
    }

    fn body(&self) -> &Self::Request {
        self
    }
}

#[cfg(test)]
mod tests {
    use httptest::matchers::request;
    use httptest::{Expectation, Server, responders::*};
    use serde_json::json;

    use crate::Query;
    use crate::api::email::*;
    use crate::reqwest::PostmarkClient;

    #[tokio::test]
    pub async fn send_email_test() {
        let server = Server::run();

        server.expect(
            Expectation::matching(request::method_path("POST", "/email/batchWithTemplates")).respond_with(
                json_encoded(json!([{
                    "To": "receiver@example.com",
                    "SubmittedAt": "2014-02-17T07:25:01.4178645-05:00",
                    "MessageID": "0a129aee-e1cd-480d-b08d-4f48548ff48d",
                    "ErrorCode": 0,
                    "Message": "OK"
                },{
                    "ErrorCode": 406,
                    "Message": "You tried to send to a recipient that has been marked as inactive. Found inactive addresses: example@example.com. Inactive recipients are ones that have generated a hard bounce, a spam complaint, or a manual suppression."
                }])),
            ),
        );

        let client = PostmarkClient::builder()
            .base_url(server.url("/").to_string())
            .build();

        let req_builder = SendEmailWithTemplateRequest::builder()
            .from("pa@example.com")
            .template_alias("my_template".to_string());

        let req = SendEmailBatchWithTemplatesRequest {
            messages: vec![
                req_builder.clone().to("mathieu@example.com").build(),
                req_builder.to("pa@example.com").build(),
            ],
        };

        req.execute(&client)
            .await
            .expect("Should get a response and be able to json decode it");
    }
}