use crate::api::conn::Command;
use crate::api::err::Error;
use crate::api::method::BoxFuture;
use crate::api::method::Content;
use crate::api::opt::Resource;
use crate::api::Connection;
use crate::api::Result;
use crate::method::OnceLockExt;
use crate::Surreal;
use crate::Value;
use serde::de::DeserializeOwned;
use serde::Serialize;
use std::borrow::Cow;
use std::future::IntoFuture;
use std::marker::PhantomData;
use surrealdb_core::sql::{to_value as to_core_value, Object as CoreObject, Value as CoreValue};
use super::insert_relation::InsertRelation;
#[derive(Debug)]
#[must_use = "futures do nothing unless you `.await` or poll them"]
pub struct Insert<'r, C: Connection, R> {
pub(super) client: Cow<'r, Surreal<C>>,
pub(super) resource: Result<Resource>,
pub(super) response_type: PhantomData<R>,
}
impl<C, R> Insert<'_, C, R>
where
C: Connection,
{
pub fn into_owned(self) -> Insert<'static, C, R> {
Insert {
client: Cow::Owned(self.client.into_owned()),
..self
}
}
}
macro_rules! into_future {
($method:ident) => {
fn into_future(self) -> Self::IntoFuture {
let Insert {
client,
resource,
..
} = self;
Box::pin(async move {
let (table, data) = match resource? {
Resource::Table(table) => (table.into(), CoreObject::default()),
Resource::RecordId(record_id) => {
let record_id = record_id.into_inner();
let mut map = CoreObject::default();
map.insert("id".to_string(), record_id.id.into());
(record_id.tb, map)
}
Resource::Object(_) => return Err(Error::InsertOnObject.into()),
Resource::Array(_) => return Err(Error::InsertOnArray.into()),
Resource::Edge {
..
} => return Err(Error::InsertOnEdges.into()),
Resource::Range {
..
} => return Err(Error::InsertOnRange.into()),
Resource::Unspecified => return Err(Error::InsertOnUnspecified.into()),
};
let cmd = Command::Insert {
what: Some(table.to_string()),
data: data.into(),
};
let router = client.router.extract()?;
router.$method(cmd).await
})
}
};
}
impl<'r, Client> IntoFuture for Insert<'r, Client, Value>
where
Client: Connection,
{
type Output = Result<Value>;
type IntoFuture = BoxFuture<'r, Self::Output>;
into_future! {execute_value}
}
impl<'r, Client, R> IntoFuture for Insert<'r, Client, Option<R>>
where
Client: Connection,
R: DeserializeOwned,
{
type Output = Result<Option<R>>;
type IntoFuture = BoxFuture<'r, Self::Output>;
into_future! {execute_opt}
}
impl<'r, Client, R> IntoFuture for Insert<'r, Client, Vec<R>>
where
Client: Connection,
R: DeserializeOwned,
{
type Output = Result<Vec<R>>;
type IntoFuture = BoxFuture<'r, Self::Output>;
into_future! {execute_vec}
}
impl<'r, C, R> Insert<'r, C, R>
where
C: Connection,
R: DeserializeOwned,
{
pub fn content<D>(self, data: D) -> Content<'r, C, R>
where
D: Serialize + 'static,
{
Content::from_closure(self.client, || {
let mut data = to_core_value(data)?;
match self.resource? {
Resource::Table(table) => Ok(Command::Insert {
what: Some(table),
data,
}),
Resource::RecordId(thing) => {
if data.is_array() {
Err(Error::InvalidParams(
"Tried to insert multiple records on a record ID".to_owned(),
)
.into())
} else {
let thing = thing.into_inner();
if let CoreValue::Object(ref mut x) = data {
x.insert("id".to_string(), thing.id.into());
}
Ok(Command::Insert {
what: Some(thing.tb),
data,
})
}
}
Resource::Object(_) => Err(Error::InsertOnObject.into()),
Resource::Array(_) => Err(Error::InsertOnArray.into()),
Resource::Edge(_) => Err(Error::InsertOnEdges.into()),
Resource::Range(_) => Err(Error::InsertOnRange.into()),
Resource::Unspecified => Ok(Command::Insert {
what: None,
data,
}),
}
})
}
}
impl<'r, C, R> Insert<'r, C, R>
where
C: Connection,
R: DeserializeOwned,
{
pub fn relation<D>(self, data: D) -> InsertRelation<'r, C, R>
where
D: Serialize + 'static,
{
InsertRelation::from_closure(self.client, || {
let mut data = to_core_value(data)?;
match self.resource? {
Resource::Table(table) => Ok(Command::InsertRelation {
what: Some(table),
data,
}),
Resource::RecordId(thing) => {
if data.is_array() {
Err(Error::InvalidParams(
"Tried to insert multiple records on a record ID".to_owned(),
)
.into())
} else {
let thing = thing.into_inner();
if let CoreValue::Object(ref mut x) = data {
x.insert("id".to_string(), thing.id.into());
}
Ok(Command::InsertRelation {
what: Some(thing.tb),
data,
})
}
}
Resource::Unspecified => Ok(Command::InsertRelation {
what: None,
data,
}),
Resource::Object(_) => Err(Error::InsertOnObject.into()),
Resource::Array(_) => Err(Error::InsertOnArray.into()),
Resource::Edge(_) => Err(Error::InsertOnEdges.into()),
Resource::Range(_) => Err(Error::InsertOnRange.into()),
}
})
}
}