60 lines
1.6 KiB
Rust
60 lines
1.6 KiB
Rust
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use crate::api::conn::Method;
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use crate::api::conn::Param;
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use crate::api::conn::Router;
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use crate::api::opt::PatchOp;
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use crate::api::opt::Range;
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use crate::api::opt::Resource;
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use crate::api::Connection;
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use crate::api::Result;
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use crate::sql::Array;
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use crate::sql::Id;
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use crate::sql::Value;
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use serde::de::DeserializeOwned;
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use std::future::Future;
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use std::future::IntoFuture;
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use std::marker::PhantomData;
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use std::pin::Pin;
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/// A patch future
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#[derive(Debug)]
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pub struct Patch<'r, C: Connection, R> {
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pub(super) router: Result<&'r Router<C>>,
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pub(super) resource: Result<Resource>,
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pub(super) range: Option<Range<Id>>,
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pub(super) patches: Vec<Value>,
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pub(super) response_type: PhantomData<R>,
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}
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impl<'r, C, R> Patch<'r, C, R>
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where
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C: Connection,
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{
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/// Applies JSON Patch changes to all records, or a specific record, in the database.
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pub fn patch(mut self, PatchOp(patch): PatchOp) -> Patch<'r, C, R> {
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self.patches.push(patch);
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self
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}
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}
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impl<'r, Client, R> IntoFuture for Patch<'r, Client, R>
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where
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Client: Connection,
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R: DeserializeOwned + Send + Sync,
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{
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type Output = Result<R>;
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type IntoFuture = Pin<Box<dyn Future<Output = Self::Output> + Send + Sync + 'r>>;
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fn into_future(self) -> Self::IntoFuture {
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Box::pin(async move {
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let resource = self.resource?;
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let param = match self.range {
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Some(range) => resource.with_range(range)?,
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None => resource.into(),
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};
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let patches = Value::Array(Array(self.patches));
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let mut conn = Client::new(Method::Patch);
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conn.execute(self.router?, Param::new(vec![param, patches])).await
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})
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}
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}
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