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// Copyright 2018-2022 Cargill Incorporated
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Provides the "add circuit" operation for the `DieselAdminServiceStore`.
use std::collections::HashMap;
use std::convert::TryFrom;
use diesel::{dsl::insert_into, prelude::*};
use crate::error::InternalError;
use super::AdminServiceStoreOperations;
use crate::admin::store::{
diesel::{
models::{
CircuitMemberModel, CircuitModel, NodeEndpointModel, ServiceArgumentModel, ServiceModel,
},
schema::{circuit, circuit_member, node_endpoint, service, service_argument},
},
error::AdminServiceStoreError,
Circuit, CircuitNode,
};
use crate::error::{ConstraintViolationError, ConstraintViolationType};
pub(in crate::admin::store::diesel) trait AdminServiceStoreAddCircuitOperation {
fn add_circuit(
&self,
circuit: Circuit,
nodes: Vec<CircuitNode>,
) -> Result<(), AdminServiceStoreError>;
}
#[cfg(feature = "postgres")]
impl<'a> AdminServiceStoreAddCircuitOperation
for AdminServiceStoreOperations<'a, diesel::pg::PgConnection>
{
fn add_circuit(
&self,
circuit: Circuit,
nodes: Vec<CircuitNode>,
) -> Result<(), AdminServiceStoreError> {
self.conn.transaction::<(), _, _>(|| {
// Check if the circuit already exists in the `AdminServiceStore`, in which case
// an error is returned.
if circuit::table
.filter(circuit::circuit_id.eq(circuit.circuit_id()))
.first::<CircuitModel>(self.conn)
.optional()?
.is_some()
{
return Err(AdminServiceStoreError::ConstraintViolationError(
ConstraintViolationError::with_violation_type(ConstraintViolationType::Unique),
));
}
// Create a `CircuitModel` from the `Circuit` to add to database
let circuit_model: CircuitModel = CircuitModel::from(&circuit);
insert_into(circuit::table)
.values(circuit_model)
.execute(self.conn)?;
// Create a list of circuit members from `nodes`
let circuit_members: Vec<CircuitMemberModel> = nodes
.iter()
.enumerate()
.map(|(idx, node)| {
Ok(CircuitMemberModel {
circuit_id: circuit.circuit_id().into(),
node_id: node.node_id().into(),
position: i32::try_from(idx).map_err(|_| {
AdminServiceStoreError::InternalError(InternalError::with_message(
"Unable to convert index into i32".to_string(),
))
})?,
public_key: node
.public_key()
.clone()
.map(|public_key| public_key.into_bytes()),
})
})
.collect::<Result<Vec<CircuitMemberModel>, AdminServiceStoreError>>()?;
insert_into(circuit_member::table)
.values(circuit_members)
.execute(self.conn)?;
// Iterate over the list of `CircuitNodes` to extract the `node_id` and `endpoints`, to
// convert them into the `NodeEndpointModel`. Then, verify the `node_id` does not
// already have associated `node_endpoint` entries before inserting the list of
// `NodeEndpointModel`.
for (node_id, endpoints) in nodes
.iter()
.map(|node| {
(
node.node_id().into(),
node.endpoints()
.iter()
.map(|endpoint| NodeEndpointModel {
node_id: node.node_id().into(),
endpoint: endpoint.into(),
})
.collect::<Vec<NodeEndpointModel>>(),
)
})
.collect::<HashMap<String, Vec<NodeEndpointModel>>>()
.into_iter()
{
if let Some(0) = node_endpoint::table
.filter(node_endpoint::node_id.eq(&node_id))
.count()
.first(self.conn)
.optional()?
{
insert_into(node_endpoint::table)
.values(endpoints)
.execute(self.conn)?;
}
}
// Build `Services` and all associated data from `circuit`
let circuit_services: Vec<ServiceModel> = Vec::try_from(&circuit)?;
insert_into(service::table)
.values(&circuit_services)
.execute(self.conn)?;
let service_argument: Vec<ServiceArgumentModel> = Vec::try_from(&circuit)?;
insert_into(service_argument::table)
.values(&service_argument)
.execute(self.conn)?;
Ok(())
})
}
}
#[cfg(feature = "sqlite")]
impl<'a> AdminServiceStoreAddCircuitOperation
for AdminServiceStoreOperations<'a, diesel::sqlite::SqliteConnection>
{
fn add_circuit(
&self,
circuit: Circuit,
nodes: Vec<CircuitNode>,
) -> Result<(), AdminServiceStoreError> {
self.conn.transaction::<(), _, _>(|| {
// Check if the circuit already exists in the `AdminServiceStore`, in which case
// an error is returned.
if circuit::table
.filter(circuit::circuit_id.eq(circuit.circuit_id()))
.first::<CircuitModel>(self.conn)
.optional()?
.is_some()
{
return Err(AdminServiceStoreError::ConstraintViolationError(
ConstraintViolationError::with_violation_type(ConstraintViolationType::Unique),
));
}
// Create a `CircuitModel` from the `Circuit` to add to database
let circuit_model: CircuitModel = CircuitModel::from(&circuit);
insert_into(circuit::table)
.values(circuit_model)
.execute(self.conn)?;
// Create a list of circuit members from `nodes`
let circuit_members: Vec<CircuitMemberModel> = nodes
.iter()
.enumerate()
.map(|(idx, node)| {
Ok(CircuitMemberModel {
circuit_id: circuit.circuit_id().into(),
node_id: node.node_id().into(),
position: i32::try_from(idx).map_err(|_| {
AdminServiceStoreError::InternalError(InternalError::with_message(
"Unable to convert index into i32".to_string(),
))
})?,
public_key: node
.public_key()
.clone()
.map(|public_key| public_key.into_bytes()),
})
})
.collect::<Result<Vec<CircuitMemberModel>, AdminServiceStoreError>>()?;
insert_into(circuit_member::table)
.values(circuit_members)
.execute(self.conn)?;
// Iterate over the list of `CircuitNodes` to extract the `node_id` and `endpoints`, to
// convert them into the `NodeEndpointModel`. Then, verify the `node_id` does not
// already have associated `node_endpoint` entries before inserting the list of
// `NodeEndpointModel`.
for (node_id, endpoints) in nodes
.iter()
.map(|node| {
(
node.node_id().into(),
node.endpoints()
.iter()
.map(|endpoint| NodeEndpointModel {
node_id: node.node_id().into(),
endpoint: endpoint.into(),
})
.collect::<Vec<NodeEndpointModel>>(),
)
})
.collect::<HashMap<String, Vec<NodeEndpointModel>>>()
.into_iter()
{
if let Some(0) = node_endpoint::table
.filter(node_endpoint::node_id.eq(&node_id))
.count()
.first(self.conn)
.optional()?
{
insert_into(node_endpoint::table)
.values(endpoints)
.execute(self.conn)?;
}
}
// Build `Services` and all associated data from `circuit`
let circuit_services: Vec<ServiceModel> = Vec::try_from(&circuit)?;
insert_into(service::table)
.values(&circuit_services)
.execute(self.conn)?;
let service_argument: Vec<ServiceArgumentModel> = Vec::try_from(&circuit)?;
insert_into(service_argument::table)
.values(&service_argument)
.execute(self.conn)?;
Ok(())
})
}
}