146 lines
3.6 KiB
Rust
146 lines
3.6 KiB
Rust
use crate::{CacheControl, Error, Result};
|
|
use serde::Serialize;
|
|
|
|
/// Query response
|
|
#[derive(Debug, Default)]
|
|
pub struct Response {
|
|
/// Data of query result
|
|
pub data: serde_json::Value,
|
|
|
|
/// Extensions result
|
|
pub extensions: Option<serde_json::Value>,
|
|
|
|
/// Cache control value
|
|
pub cache_control: CacheControl,
|
|
|
|
/// Error
|
|
pub error: Option<Error>,
|
|
}
|
|
|
|
impl Response {
|
|
/// Create a new successful response with the data.
|
|
#[must_use]
|
|
pub fn new(data: impl Into<serde_json::Value>) -> Self {
|
|
Self {
|
|
data: data.into(),
|
|
..Default::default()
|
|
}
|
|
}
|
|
|
|
/// Create a response from the error.
|
|
#[must_use]
|
|
pub fn from_error(error: impl Into<Error>) -> Self {
|
|
Self {
|
|
error: Some(error.into()),
|
|
..Default::default()
|
|
}
|
|
}
|
|
|
|
/// Create a response from the result of the data and an error.
|
|
#[must_use]
|
|
pub fn from_result(result: Result<serde_json::Value>) -> Self {
|
|
match result {
|
|
Ok(data) => Self::new(data),
|
|
Err(e) => Self::from_error(e),
|
|
}
|
|
}
|
|
|
|
/// Set the extensions result of the response.
|
|
#[must_use]
|
|
pub fn extensions(self, extensions: Option<serde_json::Value>) -> Self {
|
|
Self { extensions, ..self }
|
|
}
|
|
|
|
/// Set the cache control of the response.
|
|
#[must_use]
|
|
pub fn cache_control(self, cache_control: CacheControl) -> Self {
|
|
Self {
|
|
cache_control,
|
|
..self
|
|
}
|
|
}
|
|
|
|
/// Returns `true` if the response is ok.
|
|
#[inline]
|
|
pub fn is_ok(&self) -> bool {
|
|
self.error.is_none()
|
|
}
|
|
|
|
/// Returns `true` if the response is error.
|
|
#[inline]
|
|
pub fn is_err(&self) -> bool {
|
|
self.error.is_some()
|
|
}
|
|
|
|
/// Extract the error from the response. Only if the `error` field is `None` will this return
|
|
/// `Ok`.
|
|
#[inline]
|
|
pub fn into_result(self) -> Result<Self> {
|
|
if self.is_err() {
|
|
Err(self.error.unwrap())
|
|
} else {
|
|
Ok(self)
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<Error> for Response {
|
|
fn from(err: Error) -> Self {
|
|
Self::from_error(err)
|
|
}
|
|
}
|
|
|
|
/// Response for batchable queries
|
|
#[derive(Debug, Serialize)]
|
|
#[serde(untagged)]
|
|
pub enum BatchResponse {
|
|
/// Response for single queries
|
|
Single(Response),
|
|
|
|
/// Response for batch queries
|
|
Batch(Vec<Response>),
|
|
}
|
|
|
|
impl BatchResponse {
|
|
/// Get cache control value
|
|
pub fn cache_control(&self) -> CacheControl {
|
|
match self {
|
|
BatchResponse::Single(resp) => resp.cache_control,
|
|
BatchResponse::Batch(resp) => resp.iter().fold(CacheControl::default(), |acc, item| {
|
|
acc.merge(&item.cache_control)
|
|
}),
|
|
}
|
|
}
|
|
|
|
/// Returns `true` if all responses are ok.
|
|
pub fn is_ok(&self) -> bool {
|
|
match self {
|
|
BatchResponse::Single(resp) => resp.is_ok(),
|
|
BatchResponse::Batch(resp) => resp.iter().all(Response::is_ok),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn test_batch_response_single() {
|
|
let resp = BatchResponse::Single(Response::new(serde_json::Value::Bool(true)));
|
|
assert_eq!(serde_json::to_string(&resp).unwrap(), r#"{"data":true}"#);
|
|
}
|
|
|
|
#[test]
|
|
fn test_batch_response_batch() {
|
|
let resp = BatchResponse::Batch(vec![
|
|
Response::new(serde_json::Value::Bool(true)),
|
|
Response::new(serde_json::Value::String("1".to_string())),
|
|
]);
|
|
assert_eq!(
|
|
serde_json::to_string(&resp).unwrap(),
|
|
r#"[{"data":true},{"data":"1"}]"#
|
|
);
|
|
}
|
|
}
|