From 1b8c6886f6d22f9c61e978b42d066dce91e334dc Mon Sep 17 00:00:00 2001
From: rtkay123 <dev@kanjala.com>
Date: Thu, 14 Aug 2025 18:05:07 +0200
Subject: feat(config): rule grpc

---
 crates/configuration/src/state/rule/mutate_rule.rs | 154 +++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 crates/configuration/src/state/rule/mutate_rule.rs

(limited to 'crates/configuration/src/state/rule/mutate_rule.rs')

diff --git a/crates/configuration/src/state/rule/mutate_rule.rs b/crates/configuration/src/state/rule/mutate_rule.rs
new file mode 100644
index 0000000..7b853aa
--- /dev/null
+++ b/crates/configuration/src/state/rule/mutate_rule.rs
@@ -0,0 +1,154 @@
+use opentelemetry_semantic_conventions::attribute;
+use tonic::{Request, Response, Status, async_trait};
+use tracing::{Instrument, error, info_span};
+use tracing_opentelemetry::OpenTelemetrySpanExt;
+use uuid::Uuid;
+use warden_core::configuration::{
+    ReloadEvent,
+    rule::{
+        DeleteRuleConfigurationRequest, RuleConfiguration, UpdateRuleRequest,
+        mutate_rule_configuration_server::MutateRuleConfiguration,
+    },
+};
+
+use crate::state::{
+    AppHandle, cache_key::CacheKey, invalidate_cache, publish_reload, rule::RuleRow,
+};
+
+#[async_trait]
+impl MutateRuleConfiguration for AppHandle {
+    async fn create_rule_configuration(
+        &self,
+        request: Request<RuleConfiguration>,
+    ) -> Result<Response<RuleConfiguration>, Status> {
+        let request = request.into_inner();
+        let span = info_span!("create.configuration.rule");
+        span.set_attribute(attribute::DB_SYSTEM_NAME, "postgres");
+        span.set_attribute(attribute::DB_OPERATION_NAME, "insert");
+        span.set_attribute(attribute::DB_COLLECTION_NAME, "rule");
+        span.set_attribute("otel.kind", "client");
+
+        sqlx::query!(
+            "insert into rule (uuid, configuration) values ($1, $2)",
+            Uuid::now_v7(),
+            sqlx::types::Json(&request) as _,
+        )
+        .execute(&self.services.postgres)
+        .instrument(span)
+        .await
+        .map_err(|e| {
+            error!("{e}");
+            tonic::Status::internal(e.to_string())
+        })?;
+
+        Ok(tonic::Response::new(request))
+    }
+
+    async fn update_rule_configuration(
+        &self,
+        request: Request<UpdateRuleRequest>,
+    ) -> Result<Response<RuleConfiguration>, Status> {
+        let conf = self
+            .app_config
+            .nats
+            .subject
+            .split(".")
+            .next()
+            .expect("checked on startup");
+
+        let request = request.into_inner();
+
+        let config = request.configuration.expect("configuration to be provided");
+
+        let span = info_span!("update.configuration.routing");
+        span.set_attribute(attribute::DB_SYSTEM_NAME, "postgres");
+        span.set_attribute(attribute::DB_OPERATION_NAME, "update");
+        span.set_attribute(attribute::DB_COLLECTION_NAME, "rule");
+        span.set_attribute("otel.kind", "client");
+
+        sqlx::query!(
+            r#"
+                update rule
+                set configuration = $1
+                where id = $2 and version = $3
+            "#,
+            sqlx::types::Json(&config) as _,
+            config.id,
+            config.id,
+        )
+        .execute(&self.services.postgres)
+        .instrument(span)
+        .await
+        .map_err(|e| {
+            error!("{e}");
+            tonic::Status::internal(e.to_string())
+        })?;
+
+        let (_del_result, _publish_result) = tokio::try_join!(
+            invalidate_cache(
+                self,
+                CacheKey::Rule {
+                    id: &config.id,
+                    version: &config.version,
+                }
+            ),
+            publish_reload(self, conf, ReloadEvent::Rule)
+        )?;
+
+        Ok(Response::new(config))
+    }
+
+    async fn delete_rule_configuration(
+        &self,
+        request: Request<DeleteRuleConfigurationRequest>,
+    ) -> Result<Response<RuleConfiguration>, Status> {
+        let conf = self
+            .app_config
+            .nats
+            .subject
+            .split(".")
+            .next()
+            .expect("bad config");
+
+        let request = request.into_inner();
+
+        let span = info_span!("delete.configuration.rule");
+        span.set_attribute(attribute::DB_SYSTEM_NAME, "postgres");
+        span.set_attribute(attribute::DB_OPERATION_NAME, "delete");
+        span.set_attribute(attribute::DB_COLLECTION_NAME, "rule");
+        span.set_attribute("otel.kind", "client");
+
+        let updated = sqlx::query_as!(
+            RuleRow,
+            r#"
+                delete from rule
+                where id = $1 and version = $2
+                returning id, uuid, version, configuration as "configuration: sqlx::types::Json<RuleConfiguration>"
+            "#,
+            request.id,
+            request.version,
+        )
+        .fetch_one(&self.services.postgres)
+        .instrument(span)
+        .await
+        .map_err(|e| {
+            error!("{e}");
+            tonic::Status::internal(e.to_string())
+        })?;
+
+        let (_del_result, _publish_result) = tokio::try_join!(
+            invalidate_cache(
+                self,
+                CacheKey::Rule {
+                    id: &request.id,
+                    version: &request.version,
+                }
+            ),
+            publish_reload(self, conf, ReloadEvent::Rule)
+        )?;
+
+        let res = updated.configuration.0;
+
+        Ok(Response::new(res))
+    }
+}
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