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use anyhow::Result; use rusoto_core::Region; use rusoto_sns::{MessageAttributeValue, PublishInput, PublishResponse, Sns, SnsClient}; use std::{collections::HashMap, process}; pub enum SmsType { Promotional, Transactional, } impl SmsType { fn value(&self) -> String { match *self { SmsType::Promotional => "Promotional".into(), SmsType::Transactional => "Transactional".into(), } } } pub struct SMS { pub sms_type: SmsType, pub sender_id: String, pub max_price: f64, } impl Default for SMS { fn default() -> Self { SMS { sms_type: SmsType::Transactional, sender_id: "".into(), max_price: 0.01, } } } impl SMS { pub async fn send(&self, message: String, phone_number: String) -> Result<PublishResponse> { let aws_region = std::env::var("AWS_REGION").unwrap_or_else(|_| { println!( "Error: AWS_REGION env variable is required. \nTIP: export AWS_REGION=us-east-1" ); process::exit(1); }); let _aws_key = std::env::var("AWS_SECRET_ACCESS_KEY").unwrap_or_else(|_| { println!( "Error: AWS_SECRET_ACCESS_KEY env variable is required. \nTIP: export AWS_SECRET_ACCESS_KEY=xxxxx" ); process::exit(1); }); let _aws_access = std::env::var("AWS_ACCESS_KEY_ID").unwrap_or_else(|_| { println!( "Error: AWS_ACCESS_KEY_ID env variable is required. \nTIP: export AWS_ACCESS_KEY_ID=xxxxx" ); process::exit(1); }); let mut attrs: HashMap<String, MessageAttributeValue> = HashMap::new(); if self.sender_id != "" { attrs.insert( "AWS.SNS.SMS.SenderID".into(), rusoto_sns::MessageAttributeValue { data_type: "String".to_string(), string_value: Some(self.sender_id.clone()), binary_value: None, }, ); } attrs.insert( "AWS.SNS.SMS.MaxPrice".into(), rusoto_sns::MessageAttributeValue { data_type: "String".to_string(), string_value: Some(self.max_price.to_string()), binary_value: None, }, ); attrs.insert( "AWS.SNS.SMS.SMSType".into(), rusoto_sns::MessageAttributeValue { data_type: "String".to_string(), string_value: Some(self.sms_type.value()), binary_value: None, }, ); let params = PublishInput { message: message.into(), phone_number: Some(phone_number.into()), message_attributes: Some(attrs), ..Default::default() }; let client = SnsClient::new(aws_region.parse::<Region>()?); Ok(client.publish(params).await?) } }