refactor(handlers): extract QueryParams + IngestParams to reduce complexity

query_handler refactored:
- Extract QueryParams struct with validation
- Extract SearchMethod enum
- Extract build_search_response helper
- Extract apply_rbac_filter helper
- Extract execute_hybrid_search helper
- Complexity: 14 → 6

ingest_handler helpers:
- Extract IngestParams struct with validation
- Extract IngestParamsError with responses
- Extract IngestResponse builder

New tests (18 total):
- QueryParams validation (10 tests)
- IngestParams validation (8 tests)

Total tests: 688 (was 670)
This commit is contained in:
2026-09-03 09:12:38 -07:00
parent bf0405f47d
commit 43778f730f
5 changed files with 512 additions and 159 deletions
+83 -159
View File
@@ -19,6 +19,7 @@ use crate::gateway_queue_adapter::GatewayQueueAdapter;
use crate::queue_worker::{QueueWorker, QueueWorkerConfig};
use crate::queue_adapter::QueueAdapter;
use crate::rbac::{AccessGuard, Claims as RbacClaims, builtin_role_provider, ResourceMeta, ResourceType, Verb, Visibility};
use crate::handlers::{QueryParams, QueryParamsError, SearchMethod, build_search_response};
/// Server state with database and workers
pub struct AppState {
@@ -833,192 +834,115 @@ pub async fn query_handler(
query: web::Query<std::collections::HashMap<String, String>>,
state: web::Data<AppState>,
) -> HttpResponse {
// Auth + capability check
let (claims, token) = match validate_auth(&req, &state).await {
Ok(c) => c,
Err(e) => return e,
};
// Check read capability
if !has_capability(&claims, "memory:read") {
return HttpResponse::Forbidden().json(json!({
"error": "forbidden",
"reason": "missing capability: memory:read"
}));
}
if let Err(e) = check_rate_limit(&claims, &state, "/memory/query") {
return e;
}
let project = match query.get("project") {
Some(p) => p.clone(),
None => {
return HttpResponse::BadRequest().json(json!({"error": "missing project parameter"}))
}
// Parse + validate params
let params = match QueryParams::from_query(&query) {
Ok(p) => p,
Err(e) => return e.to_response(),
};
let question = match query.get("query") {
Some(q) => q.clone(),
None => {
return HttpResponse::BadRequest().json(json!({"error": "missing query parameter"}))
}
};
let limit = query
.get("limit")
.and_then(|l| l.parse::<i64>().ok())
.unwrap_or(10);
let search_method = query.get("method").map(|s| s.as_str()).unwrap_or("hybrid");
// Get semantic results from pgvector (always run)
let mut semantic_results = match state.query_worker.query(&project, &question, Some(50)).await {
Ok(results) => results,
// Execute semantic search
let mut results = match state.query_worker.query(&params.project, &params.question, Some(50)).await {
Ok(r) => r,
Err(e) => {
tracing::error!("Semantic search failed: {}", e);
return HttpResponse::InternalServerError().json(json!({"error": "semantic_search_failed"}));
}
};
// M3.8: Optimize search results if optimizer is available
semantic_results = optimize_search_results(semantic_results, state.optimizer_service.as_ref()).await;
// M3.8: Optimize results
results = optimize_search_results(results, state.optimizer_service.as_ref()).await;
// RBAC: Filter results by access control
if let Some(guard) = &state.access_guard {
let rbac_claims = to_rbac_claims(&claims);
let resources: Vec<ResourceMeta> = semantic_results
.iter()
.map(|r| query_result_to_resource_meta(r, &project))
.collect();
let decisions = guard.check_access_batch(&rbac_claims, &resources, Verb::Read).await;
// Keep only allowed results
semantic_results = semantic_results
.into_iter()
.zip(decisions.iter())
.filter(|(_, decision)| decision.is_allowed())
.map(|(result, _)| result)
.collect();
tracing::debug!(
"RBAC filtered {} results for user {}",
decisions.iter().filter(|d| d.is_denied()).count(),
claims.sub
);
// RBAC: Filter by access control
results = apply_rbac_filter(&state, &claims, results, &params.project).await;
// Route by search method
match params.method {
SearchMethod::Semantic => build_search_response(&params, results, None),
SearchMethod::Hybrid => execute_hybrid_search(&state, &params, results, &token).await,
}
}
// Handle different search methods
match search_method {
"semantic" => {
// Return only semantic results
let top_results = semantic_results
.into_iter()
.take(limit as usize)
.collect::<Vec<_>>();
HttpResponse::Ok().json(json!({
"query": question,
"project": project,
"method": "semantic",
"results": top_results
}))
}
"hybrid" => {
// If OpenSearch is available, run hybrid search
if let Some(os_client) = &state.opensearch_client {
// Convert semantic results to format expected by hybrid_search
let sem_results: Vec<(String, f32, String, String, Vec<String>)> = semantic_results
.iter()
.enumerate()
.map(|(i, r)| {
(
format!("sem-{}", i),
r.score,
r.text.clone(),
r.source.clone().unwrap_or_default(),
r.provenance.clone(),
)
})
.collect();
/// Apply RBAC filtering to search results
async fn apply_rbac_filter(
state: &web::Data<AppState>,
claims: &JwtClaims,
results: Vec<crate::query_worker::QueryResult>,
project: &str,
) -> Vec<crate::query_worker::QueryResult> {
let Some(guard) = &state.access_guard else {
return results;
};
let rbac_claims = to_rbac_claims(claims);
let resources: Vec<ResourceMeta> = results
.iter()
.map(|r| query_result_to_resource_meta(r, project))
.collect();
let decisions = guard.check_access_batch(&rbac_claims, &resources, Verb::Read).await;
let filtered: Vec<_> = results
.into_iter()
.zip(decisions.iter())
.filter(|(_, d)| d.is_allowed())
.map(|(r, _)| r)
.collect();
tracing::debug!(
"RBAC filtered {} results for user {}",
decisions.iter().filter(|d| d.is_denied()).count(),
claims.sub
);
filtered
}
let weights = HybridWeights {
semantic: 0.6,
lexical: 0.4,
};
/// Execute hybrid search with OpenSearch fallback
async fn execute_hybrid_search(
state: &web::Data<AppState>,
params: &QueryParams,
results: Vec<crate::query_worker::QueryResult>,
token: &str,
) -> HttpResponse {
let Some(os_client) = &state.opensearch_client else {
tracing::info!("OpenSearch not configured, using semantic search only");
return build_search_response(params, results, Some("semantic_only"));
};
match os_client.hybrid_search(&question, sem_results, &token, limit as usize, &weights).await {
Ok(hybrid_results) => {
// Serialize to include all result details
let result_json: Vec<_> = semantic_results
.into_iter()
.take(limit as usize)
.map(|r| json!({
"level": r.level,
"score": r.score,
"text": r.text,
"source": r.source,
"provenance": r.provenance
}))
.collect();
HttpResponse::Ok().json(json!({
"query": question,
"project": project,
"method": "hybrid",
"results": result_json
}))
}
Err(e) => {
tracing::warn!("Hybrid search failed, falling back to semantic: {}", e);
let result_json: Vec<_> = semantic_results
.into_iter()
.take(limit as usize)
.map(|r| json!({
"level": r.level,
"score": r.score,
"text": r.text,
"source": r.source,
"provenance": r.provenance
}))
.collect();
HttpResponse::Ok().json(json!({
"query": question,
"project": project,
"method": "semantic_fallback",
"results": result_json
}))
}
}
} else {
// OpenSearch not available, fall back to semantic
tracing::info!("OpenSearch not configured, using semantic search only");
let result_json: Vec<_> = semantic_results
.into_iter()
.take(limit as usize)
.map(|r| json!({
"level": r.level,
"score": r.score,
"text": r.text,
"source": r.source,
"provenance": r.provenance
}))
.collect();
HttpResponse::Ok().json(json!({
"query": question,
"project": project,
"method": "semantic_only",
"results": result_json
}))
}
}
_ => {
HttpResponse::BadRequest().json(json!({
"error": "invalid_search_method",
"valid_methods": ["semantic", "hybrid"]
}))
let sem_results: Vec<(String, f32, String, String, Vec<String>)> = results
.iter()
.enumerate()
.map(|(i, r)| (
format!("sem-{}", i),
r.score,
r.text.clone(),
r.source.clone().unwrap_or_default(),
r.provenance.clone(),
))
.collect();
let weights = HybridWeights { semantic: 0.6, lexical: 0.4 };
match os_client.hybrid_search(&params.question, sem_results, token, params.limit as usize, &weights).await {
Ok(_) => build_search_response(params, results, Some("hybrid")),
Err(e) => {
tracing::warn!("Hybrid search failed, falling back to semantic: {}", e);
build_search_response(params, results, Some("semantic_fallback"))
}
}
}