rapid-rs 0.5.0

Zero-config, batteries-included web framework for Rust - FastAPI meets Spring Boot
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160

//! SMS notification support via Twilio API

use reqwest::Client;
use serde::Deserialize;
use crate::error::ApiError;

/// SMS provider configuration
#[derive(Debug, Clone)]
pub struct SmsConfig {
    /// Twilio Account SID
    pub account_sid: String,
    /// Twilio Auth Token
    pub auth_token: String,
    /// Default "from" phone number (Twilio number)
    pub from_number: String,
    /// API base URL (override for testing)
    pub api_url: String,
}

impl SmsConfig {
    pub fn new(account_sid: impl Into<String>, auth_token: impl Into<String>, from_number: impl Into<String>) -> Self {
        let account_sid = account_sid.into();
        let api_url = format!("https://api.twilio.com/2010-04-01/Accounts/{}/Messages.json", account_sid);
        Self {
            account_sid,
            auth_token: auth_token.into(),
            from_number: from_number.into(),
            api_url,
        }
    }

    pub fn with_api_url(mut self, url: impl Into<String>) -> Self {
        self.api_url = url.into();
        self
    }
}

/// SMS message
#[derive(Debug, Clone)]
pub struct SmsMessage {
    /// Recipient phone number (E.164 format, e.g., +1234567890)
    pub to: String,
    /// Optional override for from number
    pub from: Option<String>,
    /// Message body (max 1600 chars for SMS)
    pub body: String,
}

impl SmsMessage {
    pub fn new(to: impl Into<String>, body: impl Into<String>) -> Self {
        Self {
            to: to.into(),
            from: None,
            body: body.into(),
        }
    }

    pub fn with_from(mut self, from: impl Into<String>) -> Self {
        self.from = Some(from.into());
        self
    }
}

/// Twilio API response
#[derive(Debug, Deserialize)]
#[allow(dead_code)]
struct TwilioResponse {
    sid: Option<String>,
    status: Option<String>,
    error_code: Option<u32>,
    error_message: Option<String>,
}

/// SMS provider trait
#[async_trait::async_trait]
pub trait SmsProvider: Send + Sync {
    async fn send(&self, message: SmsMessage) -> Result<(), ApiError>;
}

/// Twilio SMS provider
pub struct TwilioSmsProvider {
    config: SmsConfig,
    client: Client,
}

impl TwilioSmsProvider {
    pub fn new(config: SmsConfig) -> Self {
        Self {
            config,
            client: Client::new(),
        }
    }
}

#[async_trait::async_trait]
impl SmsProvider for TwilioSmsProvider {
    async fn send(&self, message: SmsMessage) -> Result<(), ApiError> {
        if message.to.is_empty() {
            return Err(ApiError::BadRequest("No recipient phone number specified".to_string()));
        }

        let from = message.from.as_deref().unwrap_or(&self.config.from_number);

        let params = [
            ("To", message.to.as_str()),
            ("From", from),
            ("Body", message.body.as_str()),
        ];

        let response = self.client
            .post(&self.config.api_url)
            .basic_auth(&self.config.account_sid, Some(&self.config.auth_token))
            .form(&params)
            .send()
            .await
            .map_err(|e| ApiError::InternalServerError(format!("SMS request error: {}", e)))?;

        let status = response.status();

        if !status.is_success() {
            let error_body: TwilioResponse = response.json().await
                .unwrap_or(TwilioResponse {
                    sid: None,
                    status: Some(status.to_string()),
                    error_code: None,
                    error_message: Some("Unknown error".to_string()),
                });

            return Err(ApiError::InternalServerError(format!(
                "Twilio error {}: {}",
                error_body.error_code.unwrap_or(0),
                error_body.error_message.unwrap_or_else(|| "Unknown".to_string())
            )));
        }

        Ok(())
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_sms_message() {
        let msg = SmsMessage::new("+1234567890", "Hello!")
            .with_from("+0987654321");

        assert_eq!(msg.to, "+1234567890");
        assert_eq!(msg.from, Some("+0987654321".to_string()));
        assert_eq!(msg.body, "Hello!");
    }

    #[test]
    fn test_sms_config() {
        let config = SmsConfig::new("ACxxxxx", "auth_token", "+15005550006");
        assert_eq!(config.from_number, "+15005550006");
        assert!(config.api_url.contains("ACxxxxx"));
    }
}