use crate::{
common::{Conditionals, Projection, StandardQueryParameters},
error::Error,
response::ApiResponse,
types::ObjectIdentifier,
};
use std::convert::TryFrom;
#[derive(Default, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct GetObjectOptional<'a> {
#[serde(flatten)]
pub standard_params: StandardQueryParameters<'a>,
#[serde(skip_serializing_if = "Option::is_none")]
pub generation: Option<i64>,
#[serde(flatten)]
pub conditionals: Conditionals,
#[serde(skip_serializing_if = "Option::is_none")]
pub projection: Option<Projection>,
#[serde(skip_serializing_if = "Option::is_none")]
pub user_project: Option<&'a str>,
}
pub struct GetObjectResponse {
pub metadata: super::ObjectMetadata,
}
impl ApiResponse<&[u8]> for GetObjectResponse {}
impl ApiResponse<bytes::Bytes> for GetObjectResponse {}
impl<B> TryFrom<http::Response<B>> for GetObjectResponse
where
B: AsRef<[u8]>,
{
type Error = Error;
fn try_from(response: http::Response<B>) -> Result<Self, Self::Error> {
let (_parts, body) = response.into_parts();
let metadata: super::ObjectMetadata = serde_json::from_slice(body.as_ref())?;
Ok(Self { metadata })
}
}
impl super::Object {
pub fn get<'a, OID>(
id: &OID,
optional: Option<GetObjectOptional<'_>>,
) -> Result<http::Request<std::io::Empty>, Error>
where
OID: ObjectIdentifier<'a> + ?Sized,
{
let mut uri = crate::__make_obj_url!(
"https://www.googleapis.com/storage/v1/b/{}/o/{}?alt=json",
id
);
let query = optional.unwrap_or_default();
let query_params = serde_urlencoded::to_string(query)?;
if !query_params.is_empty() {
uri.push('&');
uri.push_str(&query_params);
}
let mut req_builder = http::Request::builder();
Ok(req_builder.method("GET").uri(uri).body(std::io::empty())?)
}
}