elif_http/errors/
http_error.rs

1//! HTTP server error types
2//!
3//! Comprehensive error handling for HTTP operations, integrating with
4//! the elif framework error system.
5
6use thiserror::Error;
7
8/// Result type for HTTP operations
9pub type HttpResult<T> = Result<T, HttpError>;
10
11/// HTTP server errors
12#[derive(Error, Debug)]
13pub enum HttpError {
14    #[error("Server startup failed: {message}")]
15    StartupFailed { message: String },
16
17    #[error("Server shutdown failed: {message}")]
18    ShutdownFailed { message: String },
19
20    #[error("Configuration error: {message}")]
21    ConfigError { message: String },
22
23    #[error("Service resolution failed: {service}")]
24    ServiceResolutionFailed { service: String },
25
26    #[error("Request timeout")]
27    RequestTimeout,
28
29    #[error("Request too large: {size} bytes exceeds limit of {limit} bytes")]
30    RequestTooLarge { size: usize, limit: usize },
31
32    #[error("Invalid request: {message}")]
33    BadRequest { message: String },
34
35    #[error("Internal server error: {message}")]
36    InternalError { message: String },
37
38    #[error("Health check failed: {reason}")]
39    HealthCheckFailed { reason: String },
40
41    #[error("Database error: {message}")]
42    DatabaseError { message: String },
43
44    #[error("Validation error: {message}")]
45    ValidationError { message: String },
46
47    #[error("Resource not found: {resource}")]
48    NotFound { resource: String },
49
50    #[error("Resource already exists: {message}")]
51    Conflict { message: String },
52
53    #[error("Unauthorized access")]
54    Unauthorized,
55
56    #[error("Access forbidden: {message}")]
57    Forbidden { message: String },
58}
59
60impl HttpError {
61    /// Create a startup error
62    pub fn startup<T: Into<String>>(message: T) -> Self {
63        HttpError::StartupFailed {
64            message: message.into(),
65        }
66    }
67
68    /// Create a shutdown error
69    pub fn shutdown<T: Into<String>>(message: T) -> Self {
70        HttpError::ShutdownFailed {
71            message: message.into(),
72        }
73    }
74
75    /// Create a configuration error
76    pub fn config<T: Into<String>>(message: T) -> Self {
77        HttpError::ConfigError {
78            message: message.into(),
79        }
80    }
81
82    /// Create a service resolution error
83    pub fn service_resolution<T: Into<String>>(service: T) -> Self {
84        HttpError::ServiceResolutionFailed {
85            service: service.into(),
86        }
87    }
88
89    /// Create a bad request error
90    pub fn bad_request<T: Into<String>>(message: T) -> Self {
91        HttpError::BadRequest {
92            message: message.into(),
93        }
94    }
95
96    /// Create an internal error
97    pub fn internal<T: Into<String>>(message: T) -> Self {
98        HttpError::InternalError {
99            message: message.into(),
100        }
101    }
102
103    /// Create a health check error
104    pub fn health_check<T: Into<String>>(reason: T) -> Self {
105        HttpError::HealthCheckFailed {
106            reason: reason.into(),
107        }
108    }
109
110    /// Create a database error
111    pub fn database_error<T: Into<String>>(message: T) -> Self {
112        HttpError::DatabaseError {
113            message: message.into(),
114        }
115    }
116
117    /// Create a validation error
118    pub fn validation_error<T: Into<String>>(message: T) -> Self {
119        HttpError::ValidationError {
120            message: message.into(),
121        }
122    }
123
124    /// Create a not found error
125    pub fn not_found<T: Into<String>>(resource: T) -> Self {
126        HttpError::NotFound {
127            resource: resource.into(),
128        }
129    }
130
131    /// Create a conflict error
132    pub fn conflict<T: Into<String>>(message: T) -> Self {
133        HttpError::Conflict {
134            message: message.into(),
135        }
136    }
137
138    /// Create an unauthorized error
139    pub fn unauthorized() -> Self {
140        HttpError::Unauthorized
141    }
142
143    /// Create a forbidden error
144    pub fn forbidden<T: Into<String>>(message: T) -> Self {
145        HttpError::Forbidden {
146            message: message.into(),
147        }
148    }
149
150    /// Create a timeout error
151    pub fn timeout() -> Self {
152        HttpError::RequestTimeout
153    }
154
155    /// Create a payload too large error with specific sizes
156    pub fn payload_too_large(size: usize, limit: usize) -> Self {
157        HttpError::RequestTooLarge { size, limit }
158    }
159
160    /// Add additional detail to error (for now, just returns self - future enhancement)
161    pub fn with_detail<T: Into<String>>(self, _detail: T) -> Self {
162        self
163    }
164
165    /// Get error code for consistent API responses
166    pub fn error_code(&self) -> &'static str {
167        match self {
168            HttpError::StartupFailed { .. } => "SERVER_STARTUP_FAILED",
169            HttpError::ShutdownFailed { .. } => "SERVER_SHUTDOWN_FAILED",
170            HttpError::ConfigError { .. } => "CONFIGURATION_ERROR",
171            HttpError::ServiceResolutionFailed { .. } => "SERVICE_RESOLUTION_FAILED",
172            HttpError::RequestTimeout => "REQUEST_TIMEOUT",
173            HttpError::RequestTooLarge { .. } => "REQUEST_TOO_LARGE",
174            HttpError::BadRequest { .. } => "BAD_REQUEST",
175            HttpError::InternalError { .. } => "INTERNAL_ERROR",
176            HttpError::HealthCheckFailed { .. } => "HEALTH_CHECK_FAILED",
177            HttpError::DatabaseError { .. } => "DATABASE_ERROR",
178            HttpError::ValidationError { .. } => "VALIDATION_ERROR",
179            HttpError::NotFound { .. } => "RESOURCE_NOT_FOUND",
180            HttpError::Conflict { .. } => "RESOURCE_CONFLICT",
181            HttpError::Unauthorized => "UNAUTHORIZED_ACCESS",
182            HttpError::Forbidden { .. } => "ACCESS_FORBIDDEN",
183        }
184    }
185}
186
187// Convert from elif-core ConfigError
188impl From<elif_core::ConfigError> for HttpError {
189    fn from(err: elif_core::ConfigError) -> Self {
190        HttpError::ConfigError {
191            message: err.to_string(),
192        }
193    }
194}
195
196// Convert from std::io::Error
197impl From<std::io::Error> for HttpError {
198    fn from(err: std::io::Error) -> Self {
199        HttpError::InternalError {
200            message: format!("IO error: {}", err),
201        }
202    }
203}
204
205// Convert from hyper errors
206impl From<hyper::Error> for HttpError {
207    fn from(err: hyper::Error) -> Self {
208        HttpError::InternalError {
209            message: format!("Hyper error: {}", err),
210        }
211    }
212}
213
214// Convert from serde_json errors
215impl From<serde_json::Error> for HttpError {
216    fn from(err: serde_json::Error) -> Self {
217        HttpError::InternalError {
218            message: format!("JSON serialization error: {}", err),
219        }
220    }
221}
222
223// Convert from ORM ModelError to HttpError
224#[cfg(feature = "orm")]
225impl From<orm::ModelError> for HttpError {
226    fn from(err: orm::ModelError) -> Self {
227        match err {
228            orm::ModelError::NotFound(table) => HttpError::NotFound { resource: table },
229            orm::ModelError::Validation(msg) => HttpError::ValidationError { message: msg },
230            orm::ModelError::Database(msg) => HttpError::DatabaseError { message: msg },
231            orm::ModelError::Connection(msg) => HttpError::DatabaseError {
232                message: format!("Connection error: {}", msg),
233            },
234            orm::ModelError::Transaction(msg) => HttpError::DatabaseError {
235                message: format!("Transaction error: {}", msg),
236            },
237            orm::ModelError::Query(msg) => HttpError::BadRequest {
238                message: format!("Query error: {}", msg),
239            },
240            orm::ModelError::Schema(msg) => HttpError::InternalError {
241                message: format!("Schema error: {}", msg),
242            },
243            orm::ModelError::Migration(msg) => HttpError::InternalError {
244                message: format!("Migration error: {}", msg),
245            },
246            orm::ModelError::MissingPrimaryKey => HttpError::BadRequest {
247                message: "Missing or invalid primary key".to_string(),
248            },
249            orm::ModelError::Relationship(msg) => HttpError::BadRequest {
250                message: format!("Relationship error: {}", msg),
251            },
252            orm::ModelError::Serialization(msg) => HttpError::InternalError {
253                message: format!("Serialization error: {}", msg),
254            },
255            orm::ModelError::Event(msg) => HttpError::InternalError {
256                message: format!("Event error: {}", msg),
257            },
258        }
259    }
260}
261
262// Convert from ORM QueryError to HttpError
263#[cfg(feature = "orm")]
264impl From<orm::QueryError> for HttpError {
265    fn from(err: orm::QueryError) -> Self {
266        match err {
267            orm::QueryError::InvalidSql(msg) => HttpError::BadRequest {
268                message: format!("Invalid SQL query: {}", msg),
269            },
270            orm::QueryError::MissingFields(msg) => HttpError::BadRequest {
271                message: format!("Missing required fields: {}", msg),
272            },
273            orm::QueryError::InvalidParameter(msg) => HttpError::BadRequest {
274                message: format!("Invalid query parameter: {}", msg),
275            },
276            orm::QueryError::UnsupportedOperation(msg) => HttpError::BadRequest {
277                message: format!("Unsupported operation: {}", msg),
278            },
279        }
280    }
281}
282
283#[cfg(test)]
284mod tests {
285    use super::*;
286
287    #[test]
288    fn test_error_creation() {
289        let error = HttpError::startup("Failed to bind to port");
290        assert!(matches!(error, HttpError::StartupFailed { .. }));
291        assert_eq!(error.error_code(), "SERVER_STARTUP_FAILED");
292    }
293
294    #[test]
295    fn test_error_codes() {
296        assert_eq!(HttpError::bad_request("test").error_code(), "BAD_REQUEST");
297        assert_eq!(HttpError::RequestTimeout.error_code(), "REQUEST_TIMEOUT");
298        assert_eq!(HttpError::internal("test").error_code(), "INTERNAL_ERROR");
299    }
300
301    #[test]
302    fn test_config_error_conversion() {
303        let config_error = elif_core::ConfigError::validation_failed("Test validation error");
304        let http_error = HttpError::from(config_error);
305        assert!(matches!(http_error, HttpError::ConfigError { .. }));
306    }
307
308    #[test]
309    fn test_io_error_conversion() {
310        let io_error = std::io::Error::new(std::io::ErrorKind::PermissionDenied, "Access denied");
311        let http_error = HttpError::from(io_error);
312        assert!(matches!(http_error, HttpError::InternalError { .. }));
313    }
314
315    #[test]
316    fn test_validation_error_creation() {
317        let validation_error = HttpError::validation_error("Field is required");
318        assert_eq!(validation_error.error_code(), "VALIDATION_ERROR");
319    }
320}
elif_http/errors/http_error.rs

elif_http/errors/
http_error.rs
