use teaql_core::{
BatchInsertCommand, BatchUpdateCommand, DeleteCommand, Entity, InsertCommand, Record,
RecoverCommand, SelectQuery, SmartList, UpdateCommand,
};
use teaql_data_service::{MutationRequest, QueryRequest};
use crate::{DataServiceError, MetadataStore, RuntimeError};
use super::RuntimeDataService;
impl<'a, M, E> RuntimeDataService<'a, M, E>
where
M: MetadataStore,
E: teaql_data_service::QueryExecutor + teaql_data_service::MutationExecutor,
{
pub fn new(metadata: &'a M, executor: &'a E) -> Self {
Self { metadata, executor }
}
pub async fn fetch_all(
&self,
query: &SelectQuery,
) -> Result<Vec<Record>, DataServiceError<E::Error>> {
let request = QueryRequest {
query: query.clone(),
trace_chain: query.trace_chain.clone(),
comment: query.comment.clone(),
};
let res = self
.executor
.query(request)
.await
.map_err(DataServiceError::Executor)?;
Ok(res.rows)
}
pub async fn fetch_smart_list(
&self,
query: &SelectQuery,
) -> Result<SmartList<Record>, DataServiceError<E::Error>> {
let request = QueryRequest {
query: query.clone(),
trace_chain: query.trace_chain.clone(),
comment: query.comment.clone(),
};
let res = self
.executor
.query(request)
.await
.map_err(DataServiceError::Executor)?;
self.metadata.record_metadata_log(&res.metadata);
Ok(SmartList::from(res.rows))
}
pub async fn fetch_entities<T>(
&self,
query: &SelectQuery,
) -> Result<SmartList<T>, DataServiceError<E::Error>>
where
T: Entity,
{
self.fetch_all(query)
.await?
.into_iter()
.map(T::from_record)
.collect::<Result<Vec<_>, _>>()
.map(SmartList::from)
.map_err(DataServiceError::Entity)
}
pub async fn fetch_enhanced_entities<T>(
&self,
query: &SelectQuery,
) -> Result<SmartList<T>, DataServiceError<E::Error>>
where
T: Entity,
{
self.fetch_entities(query).await
}
pub async fn insert(&self, command: &InsertCommand) -> Result<u64, DataServiceError<E::Error>> {
let request = MutationRequest::Insert(command.clone());
let res = self
.executor
.mutate(request)
.await
.map_err(DataServiceError::Executor)?;
self.metadata.record_metadata_log(&res.metadata);
Ok(res.affected_rows)
}
pub async fn update(&self, command: &UpdateCommand) -> Result<u64, DataServiceError<E::Error>> {
let request = MutationRequest::Update(command.clone());
let res = self
.executor
.mutate(request)
.await
.map_err(DataServiceError::Executor)?;
self.metadata.record_metadata_log(&res.metadata);
let affected = res.affected_rows;
if command.expected_version.is_some() && affected == 0 {
println!(
"OptimisticLockConflict in base.rs update! entity={}, id={:?}",
command.entity, command.id
);
println!(
"Backtrace: {:#?}",
std::backtrace::Backtrace::force_capture()
);
return Err(DataServiceError::Runtime(
RuntimeError::OptimisticLockConflict {
entity: command.entity.clone(),
id: format!("{:?}", command.id),
},
));
}
Ok(affected)
}
pub async fn delete(&self, command: &DeleteCommand) -> Result<u64, DataServiceError<E::Error>> {
let request = MutationRequest::Delete(command.clone());
let res = self
.executor
.mutate(request)
.await
.map_err(DataServiceError::Executor)?;
self.metadata.record_metadata_log(&res.metadata);
let affected = res.affected_rows;
if command.expected_version.is_some() && affected == 0 {
return Err(DataServiceError::Runtime(
RuntimeError::OptimisticLockConflict {
entity: command.entity.clone(),
id: format!("{:?}", command.id),
},
));
}
Ok(affected)
}
pub async fn batch_insert(
&self,
command: &teaql_core::BatchInsertCommand,
) -> Result<u64, DataServiceError<E::Error>> {
let mut affected = 0;
for (i, val) in command.batch_values.iter().enumerate() {
let mut insert_cmd = InsertCommand::new(command.entity.clone());
insert_cmd.values = val.clone();
if i < command.trace_chains.len() {
insert_cmd.trace_chain = command.trace_chains[i].clone();
}
let res = self
.executor
.mutate(MutationRequest::Insert(insert_cmd))
.await
.map_err(DataServiceError::Executor)?;
self.metadata.record_metadata_log(&res.metadata);
affected += res.affected_rows;
}
Ok(affected)
}
pub async fn batch_update(
&self,
command: &teaql_core::BatchUpdateCommand,
) -> Result<u64, DataServiceError<E::Error>> {
let mut affected = 0;
for (i, val) in command.batch_values.iter().enumerate() {
let mut update_cmd =
UpdateCommand::new(command.entity.clone(), command.batch_ids[i].clone());
let mut filtered_values = Record::new();
for field in &command.update_fields {
if let Some(v) = val.get(field) {
filtered_values.insert(field.clone(), v.clone());
}
}
update_cmd.values = filtered_values;
if let Some(Some(v)) = command.batch_expected_versions.get(i) {
update_cmd.expected_version = Some(*v);
}
if let Some(old) = command.batch_old_values.get(i) {
update_cmd.old_values = old.clone();
}
if i < command.trace_chains.len() {
update_cmd.trace_chain = command.trace_chains[i].clone();
}
let res = self
.executor
.mutate(MutationRequest::Update(update_cmd))
.await
.map_err(DataServiceError::Executor)?;
self.metadata.record_metadata_log(&res.metadata);
affected += res.affected_rows;
}
if command.batch_expected_versions.iter().any(|v| v.is_some()) {
if affected != command.batch_ids.len() as u64 {
println!(
"OptimisticLockConflict in batch_update! entity={}, affected={}, expected={}",
command.entity,
affected,
command.batch_ids.len()
);
return Err(DataServiceError::Runtime(
RuntimeError::OptimisticLockConflict {
entity: command.entity.clone(),
id: "BATCH".to_owned(),
},
));
}
}
Ok(affected)
}
pub async fn recover(
&self,
command: &RecoverCommand,
) -> Result<u64, DataServiceError<E::Error>> {
let request = MutationRequest::Recover(command.clone());
let res = self
.executor
.mutate(request)
.await
.map_err(DataServiceError::Executor)?;
self.metadata.record_metadata_log(&res.metadata);
let affected = res.affected_rows;
if affected == 0 {
return Err(DataServiceError::Runtime(
RuntimeError::OptimisticLockConflict {
entity: command.entity.clone(),
id: format!("{:?}", command.id),
},
));
}
Ok(affected)
}
pub async fn insert_many(
&self,
commands: &[InsertCommand],
) -> Result<u64, DataServiceError<E::Error>> {
let mut total = 0;
for command in commands {
total += self.insert(command).await?;
}
Ok(total)
}
pub async fn update_many(
&self,
commands: &[UpdateCommand],
) -> Result<u64, DataServiceError<E::Error>> {
let mut total = 0;
for command in commands {
total += self.update(command).await?;
}
Ok(total)
}
pub async fn delete_many(
&self,
commands: &[DeleteCommand],
) -> Result<u64, DataServiceError<E::Error>> {
let mut total = 0;
for command in commands {
total += self.delete(command).await?;
}
Ok(total)
}
pub async fn recover_many(
&self,
commands: &[RecoverCommand],
) -> Result<u64, DataServiceError<E::Error>> {
let mut total = 0;
for command in commands {
total += self.recover(command).await?;
}
Ok(total)
}
}