mockforge_http/handlers/
semantic_drift.rs

1//! HTTP handlers for semantic drift incidents
2//!
3//! This module provides endpoints for managing semantic drift incidents.
4
5use axum::{
6    extract::{Path, Query, State},
7    http::StatusCode,
8    response::Json,
9};
10use mockforge_core::ai_contract_diff::{ContractDiffAnalyzer, ContractDiffConfig};
11use mockforge_core::incidents::semantic_manager::{SemanticIncident, SemanticIncidentManager};
12use mockforge_core::openapi::OpenApiSpec;
13use serde::{Deserialize, Serialize};
14use std::sync::Arc;
15
16#[cfg(feature = "database")]
17use chrono::{DateTime, Utc};
18#[cfg(feature = "database")]
19use uuid::Uuid;
20
21use crate::database::Database;
22
23/// Helper function to map database row to SemanticIncident
24#[cfg(feature = "database")]
25fn map_row_to_semantic_incident(
26    row: &sqlx::postgres::PgRow,
27) -> Result<SemanticIncident, sqlx::Error> {
28    use mockforge_core::ai_contract_diff::semantic_analyzer::SemanticChangeType;
29    use mockforge_core::incidents::types::{IncidentSeverity, IncidentStatus};
30    use sqlx::Row;
31
32    let id: uuid::Uuid = row.try_get("id")?;
33    let workspace_id: Option<uuid::Uuid> = row.try_get("workspace_id").ok();
34    let endpoint: String = row.try_get("endpoint")?;
35    let method: String = row.try_get("method")?;
36    let semantic_change_type_str: String = row.try_get("semantic_change_type")?;
37    let severity_str: String = row.try_get("severity")?;
38    let status_str: String = row.try_get("status")?;
39    let semantic_confidence: f64 = row.try_get("semantic_confidence")?;
40    let soft_breaking_score: f64 = row.try_get("soft_breaking_score")?;
41    let llm_analysis: serde_json::Value = row.try_get("llm_analysis").unwrap_or_default();
42    let before_semantic_state: serde_json::Value =
43        row.try_get("before_semantic_state").unwrap_or_default();
44    let after_semantic_state: serde_json::Value =
45        row.try_get("after_semantic_state").unwrap_or_default();
46    let details_json: serde_json::Value = row.try_get("details").unwrap_or_default();
47    let related_drift_incident_id: Option<uuid::Uuid> =
48        row.try_get("related_drift_incident_id").ok();
49    let contract_diff_id: Option<String> = row.try_get("contract_diff_id").ok();
50    let external_ticket_id: Option<String> = row.try_get("external_ticket_id").ok();
51    let external_ticket_url: Option<String> = row.try_get("external_ticket_url").ok();
52    let detected_at: DateTime<Utc> = row.try_get("detected_at")?;
53    let created_at: DateTime<Utc> = row.try_get("created_at")?;
54    let acknowledged_at: Option<DateTime<Utc>> = row.try_get("acknowledged_at").ok();
55    let resolved_at: Option<DateTime<Utc>> = row.try_get("resolved_at").ok();
56    let closed_at: Option<DateTime<Utc>> = row.try_get("closed_at").ok();
57    let updated_at: DateTime<Utc> = row.try_get("updated_at")?;
58
59    // Parse semantic change type
60    let semantic_change_type = match semantic_change_type_str.as_str() {
61        "description_change" => SemanticChangeType::DescriptionChange,
62        "enum_narrowing" => SemanticChangeType::EnumNarrowing,
63        "nullability_change" => SemanticChangeType::NullableChange,
64        "error_code_removed" => SemanticChangeType::ErrorCodeRemoved,
65        "meaning_shift" => SemanticChangeType::MeaningShift,
66        _ => SemanticChangeType::MeaningShift, // Default fallback
67    };
68
69    // Parse severity
70    let severity = match severity_str.as_str() {
71        "low" => IncidentSeverity::Low,
72        "medium" => IncidentSeverity::Medium,
73        "high" => IncidentSeverity::High,
74        "critical" => IncidentSeverity::Critical,
75        _ => IncidentSeverity::Medium, // Default fallback
76    };
77
78    // Parse status
79    let status = match status_str.as_str() {
80        "open" => IncidentStatus::Open,
81        "acknowledged" => IncidentStatus::Acknowledged,
82        "resolved" => IncidentStatus::Resolved,
83        "closed" => IncidentStatus::Closed,
84        _ => IncidentStatus::Open, // Default fallback
85    };
86
87    Ok(SemanticIncident {
88        id: id.to_string(),
89        workspace_id: workspace_id.map(|u| u.to_string()),
90        endpoint,
91        method,
92        semantic_change_type,
93        severity,
94        status,
95        semantic_confidence,
96        soft_breaking_score,
97        llm_analysis,
98        before_semantic_state,
99        after_semantic_state,
100        details: details_json,
101        related_drift_incident_id: related_drift_incident_id.map(|u| u.to_string()),
102        contract_diff_id,
103        external_ticket_id,
104        external_ticket_url,
105        detected_at: detected_at.timestamp(),
106        created_at: created_at.timestamp(),
107        acknowledged_at: acknowledged_at.map(|dt| dt.timestamp()),
108        resolved_at: resolved_at.map(|dt| dt.timestamp()),
109        closed_at: closed_at.map(|dt| dt.timestamp()),
110        updated_at: updated_at.timestamp(),
111    })
112}
113
114/// State for semantic drift handlers
115#[derive(Clone)]
116pub struct SemanticDriftState {
117    /// Semantic incident manager
118    pub manager: Arc<SemanticIncidentManager>,
119    /// Database connection (optional)
120    pub database: Option<Database>,
121}
122
123/// Query parameters for listing semantic incidents
124#[derive(Debug, Deserialize)]
125pub struct ListSemanticIncidentsQuery {
126    /// Workspace ID filter
127    pub workspace_id: Option<String>,
128    /// Endpoint filter
129    pub endpoint: Option<String>,
130    /// Method filter
131    pub method: Option<String>,
132    /// Status filter
133    pub status: Option<String>,
134    /// Limit results
135    pub limit: Option<usize>,
136}
137
138/// Response for semantic incident list
139#[derive(Debug, Serialize)]
140pub struct SemanticIncidentListResponse {
141    /// Incidents
142    pub incidents: Vec<SemanticIncident>,
143    /// Total count
144    pub total: usize,
145}
146
147/// List semantic drift incidents
148///
149/// GET /api/v1/semantic-drift/incidents
150pub async fn list_semantic_incidents(
151    State(state): State<SemanticDriftState>,
152    Query(params): Query<ListSemanticIncidentsQuery>,
153) -> Result<Json<SemanticIncidentListResponse>, StatusCode> {
154    // Try database first, fallback to in-memory
155    #[cfg(feature = "database")]
156    if let Some(pool) = state.database.as_ref().and_then(|db| db.pool()) {
157        let mut query = String::from(
158            "SELECT id, workspace_id, endpoint, method, semantic_change_type, severity, status,
159             semantic_confidence, soft_breaking_score, llm_analysis, before_semantic_state,
160             after_semantic_state, details, related_drift_incident_id, contract_diff_id,
161             external_ticket_id, external_ticket_url, detected_at, created_at, acknowledged_at,
162             resolved_at, closed_at, updated_at
163             FROM semantic_drift_incidents WHERE 1=1",
164        );
165
166        let mut bind_index = 1;
167
168        if let Some(_ws_id) = &params.workspace_id {
169            query.push_str(&format!(" AND workspace_id = ${}", bind_index));
170            bind_index += 1;
171        }
172
173        if let Some(_ep) = &params.endpoint {
174            query.push_str(&format!(" AND endpoint = ${}", bind_index));
175            bind_index += 1;
176        }
177
178        if let Some(_m) = &params.method {
179            query.push_str(&format!(" AND method = ${}", bind_index));
180            bind_index += 1;
181        }
182
183        if let Some(_status_str) = &params.status {
184            query.push_str(&format!(" AND status = ${}", bind_index));
185        }
186
187        let limit = params.limit.unwrap_or(100);
188        query.push_str(&format!(" ORDER BY detected_at DESC LIMIT {}", limit));
189
190        // Execute query - use fetch_all for SELECT queries
191        let rows = sqlx::query(&query).fetch_all(pool).await.map_err(|e| {
192            tracing::error!("Failed to query semantic incidents: {}", e);
193            StatusCode::INTERNAL_SERVER_ERROR
194        })?;
195
196        // Map rows to SemanticIncident
197        let mut incidents = Vec::new();
198        for row in rows {
199            match map_row_to_semantic_incident(&row) {
200                Ok(incident) => incidents.push(incident),
201                Err(e) => {
202                    tracing::warn!("Failed to map semantic incident row: {}", e);
203                    continue;
204                }
205            }
206        }
207        if !incidents.is_empty() {
208            return Ok(Json(SemanticIncidentListResponse {
209                total: incidents.len(),
210                incidents,
211            }));
212        }
213        // Fall through to in-memory manager if no database results
214    }
215
216    // Fallback to in-memory manager
217    let status = params.status.as_deref().and_then(|s| match s {
218        "open" => Some(mockforge_core::incidents::types::IncidentStatus::Open),
219        "acknowledged" => Some(mockforge_core::incidents::types::IncidentStatus::Acknowledged),
220        "resolved" => Some(mockforge_core::incidents::types::IncidentStatus::Resolved),
221        "closed" => Some(mockforge_core::incidents::types::IncidentStatus::Closed),
222        _ => None,
223    });
224
225    let incidents = state
226        .manager
227        .list_incidents(
228            params.workspace_id.as_deref(),
229            params.endpoint.as_deref(),
230            params.method.as_deref(),
231            status,
232            params.limit,
233        )
234        .await;
235
236    Ok(Json(SemanticIncidentListResponse {
237        total: incidents.len(),
238        incidents,
239    }))
240}
241
242/// Get a specific semantic incident
243///
244/// GET /api/v1/semantic-drift/incidents/{id}
245pub async fn get_semantic_incident(
246    State(state): State<SemanticDriftState>,
247    Path(id): Path<String>,
248) -> Result<Json<SemanticIncident>, StatusCode> {
249    // Try database first
250    #[cfg(feature = "database")]
251    if let Some(pool) = state.database.as_ref().and_then(|db| db.pool()) {
252        let row = sqlx::query("SELECT * FROM semantic_drift_incidents WHERE id = $1")
253            .bind(&id)
254            .fetch_optional(pool)
255            .await
256            .map_err(|e| {
257                tracing::error!("Failed to query semantic incident: {}", e);
258                StatusCode::INTERNAL_SERVER_ERROR
259            })?;
260
261        if let Some(row) = row {
262            match map_row_to_semantic_incident(&row) {
263                Ok(incident) => return Ok(Json(incident)),
264                Err(e) => {
265                    tracing::warn!("Failed to map semantic incident: {}", e);
266                    // Fall through to in-memory
267                }
268            }
269        }
270    }
271
272    // Fallback to in-memory manager
273    match state.manager.get_incident(&id).await {
274        Some(incident) => Ok(Json(incident)),
275        None => Err(StatusCode::NOT_FOUND),
276    }
277}
278
279/// Request to analyze semantic drift
280#[derive(Debug, Deserialize)]
281pub struct AnalyzeSemanticDriftRequest {
282    /// Before spec (OpenAPI YAML/JSON)
283    pub before_spec: String,
284    /// After spec (OpenAPI YAML/JSON)
285    pub after_spec: String,
286    /// Endpoint path
287    pub endpoint: String,
288    /// HTTP method
289    pub method: String,
290    /// Workspace ID (optional)
291    pub workspace_id: Option<String>,
292}
293
294/// Analyze semantic drift between two specs
295///
296/// POST /api/v1/semantic-drift/analyze
297pub async fn analyze_semantic_drift(
298    State(state): State<SemanticDriftState>,
299    Json(request): Json<AnalyzeSemanticDriftRequest>,
300) -> Result<Json<serde_json::Value>, StatusCode> {
301    // Parse specs
302    let before_spec = OpenApiSpec::from_string(&request.before_spec, None)
303        .map_err(|_| StatusCode::BAD_REQUEST)?;
304    let after_spec =
305        OpenApiSpec::from_string(&request.after_spec, None).map_err(|_| StatusCode::BAD_REQUEST)?;
306
307    // Create analyzer
308    let config = ContractDiffConfig::default();
309    let analyzer =
310        ContractDiffAnalyzer::new(config).map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
311
312    // Run semantic analysis
313    let semantic_result = analyzer
314        .compare_specs(&before_spec, &after_spec, &request.endpoint, &request.method)
315        .await
316        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
317
318    if let Some(result) = semantic_result {
319        // Create semantic incident if threshold met
320        if result.semantic_confidence >= 0.65 {
321            let incident = state
322                .manager
323                .create_incident(
324                    &result,
325                    request.endpoint.clone(),
326                    request.method.clone(),
327                    request.workspace_id.clone(),
328                    None, // related_drift_incident_id
329                    None, // contract_diff_id
330                )
331                .await;
332
333            // Store in database if available
334            #[cfg(feature = "database")]
335            if let Some(pool) = state.database.as_ref().and_then(|db| db.pool()) {
336                if let Err(e) = store_semantic_incident(pool, &incident).await {
337                    tracing::warn!("Failed to store semantic incident in database: {}", e);
338                }
339            }
340
341            return Ok(Json(serde_json::json!({
342                "success": true,
343                "semantic_drift_detected": true,
344                "incident_id": incident.id,
345                "semantic_confidence": result.semantic_confidence,
346                "soft_breaking_score": result.soft_breaking_score,
347                "change_type": format!("{:?}", result.change_type),
348            })));
349        }
350    }
351
352    Ok(Json(serde_json::json!({
353        "success": true,
354        "semantic_drift_detected": false,
355        "message": "No significant semantic drift detected"
356    })))
357}
358
359/// Store semantic incident in database
360#[cfg(feature = "database")]
361async fn store_semantic_incident(
362    pool: &sqlx::PgPool,
363    incident: &SemanticIncident,
364) -> Result<(), sqlx::Error> {
365    let id = Uuid::parse_str(&incident.id).unwrap_or_else(|_| Uuid::new_v4());
366    let workspace_uuid = incident.workspace_id.as_ref().and_then(|id| Uuid::parse_str(id).ok());
367    let related_uuid = incident
368        .related_drift_incident_id
369        .as_ref()
370        .and_then(|id| Uuid::parse_str(id).ok());
371
372    sqlx::query(
373        r#"
374        INSERT INTO semantic_drift_incidents (
375            id, workspace_id, endpoint, method, semantic_change_type, severity, status,
376            semantic_confidence, soft_breaking_score, llm_analysis, before_semantic_state,
377            after_semantic_state, details, related_drift_incident_id, contract_diff_id,
378            external_ticket_id, external_ticket_url, detected_at, created_at, updated_at
379        ) VALUES (
380            $1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18, $19, $20
381        )
382        ON CONFLICT (id) DO UPDATE SET
383            status = EXCLUDED.status,
384            acknowledged_at = EXCLUDED.acknowledged_at,
385            resolved_at = EXCLUDED.resolved_at,
386            closed_at = EXCLUDED.closed_at,
387            updated_at = EXCLUDED.updated_at
388        "#,
389    )
390    .bind(id)
391    .bind(workspace_uuid)
392    .bind(&incident.endpoint)
393    .bind(&incident.method)
394    .bind(format!("{:?}", incident.semantic_change_type))
395    .bind(format!("{:?}", incident.severity))
396    .bind(format!("{:?}", incident.status))
397    .bind(incident.semantic_confidence)
398    .bind(incident.soft_breaking_score)
399    .bind(&incident.llm_analysis)
400    .bind(&incident.before_semantic_state)
401    .bind(&incident.after_semantic_state)
402    .bind(&incident.details)
403    .bind(related_uuid)
404    .bind(incident.contract_diff_id.as_deref())
405    .bind(incident.external_ticket_id.as_deref())
406    .bind(incident.external_ticket_url.as_deref())
407    .bind(DateTime::<Utc>::from_timestamp(incident.detected_at, 0).unwrap_or_else(Utc::now))
408    .bind(DateTime::<Utc>::from_timestamp(incident.created_at, 0).unwrap_or_else(Utc::now))
409    .bind(DateTime::<Utc>::from_timestamp(incident.updated_at, 0).unwrap_or_else(Utc::now))
410    .execute(pool)
411    .await?;
412
413    Ok(())
414}
415
416/// Create router for semantic drift endpoints
417pub fn semantic_drift_router(state: SemanticDriftState) -> axum::Router {
418    use axum::routing::{get, post};
419    use axum::Router;
420
421    Router::new()
422        .route("/api/v1/semantic-drift/incidents", get(list_semantic_incidents))
423        .route("/api/v1/semantic-drift/incidents/{id}", get(get_semantic_incident))
424        .route("/api/v1/semantic-drift/analyze", post(analyze_semantic_drift))
425        .with_state(state)
426}
mockforge_http/handlers/semantic_drift.rs

mockforge_http/handlers/
semantic_drift.rs
