CUB-187+188+191+193: Recording handlers, status ingestion, SSE endpoint

internal/api/recording.go

@@ -0,0 +1,88 @@
+// Package api provides HTTP handlers for camera operations.
+package api
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/cubecraft/remoterig/internal/db"
+	"github.com/go-chi/chi/v5"
+)
+
+// StartRecording returns a handler for POST /cameras/{id}/start.
+func StartRecording(database *db.DB) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		cameraID := chi.URLParam(r, "id")
+		if cameraID == "" {
+			respondJSON(w, http.StatusBadRequest, map[string]string{"error": "camera_id required"})
+			return
+		}
+
+		// Check if camera is registered
+		var exists int
+		err := database.QueryRowContext(r.Context(),
+			"SELECT COUNT(*) FROM cameras WHERE camera_id = ?", cameraID).Scan(&exists)
+		if err != nil || exists == 0 {
+			respondJSON(w, http.StatusNotFound, map[string]string{"error": "camera not registered"})
+			return
+		}
+
+		// Open recording event
+		result, err := database.ExecContext(r.Context(), `
+			INSERT INTO recording_events (camera_id, started_at, reason)
+			VALUES (?, datetime('now'), 'manual')
+		`, cameraID)
+		if err != nil {
+			log.Printf("Error starting recording: %v", err)
+			respondJSON(w, http.StatusInternalServerError, map[string]string{"error": "database error"})
+			return
+		}
+
+		rows, _ := result.RowsAffected()
+		log.Printf("Recording started on %s (%d rows affected)", cameraID, rows)
+
+		respondJSON(w, http.StatusOK, map[string]string{
+			"status":    "recording_started",
+			"camera_id": cameraID,
+		})
+	}
+}
+
+// StopRecording returns a handler for POST /cameras/{id}/stop.
+func StopRecording(database *db.DB) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		cameraID := chi.URLParam(r, "id")
+		if cameraID == "" {
+			respondJSON(w, http.StatusBadRequest, map[string]string{"error": "camera_id required"})
+			return
+		}
+
+		// Check if camera is registered
+		var exists int
+		err := database.QueryRowContext(r.Context(),
+			"SELECT COUNT(*) FROM cameras WHERE camera_id = ?", cameraID).Scan(&exists)
+		if err != nil || exists == 0 {
+			respondJSON(w, http.StatusNotFound, map[string]string{"error": "camera not registered"})
+			return
+		}
+
+		// Close the most recent open recording event
+		result, err := database.ExecContext(r.Context(), `
+			UPDATE recording_events SET stopped_at = datetime('now'), reason = 'manual'
+			WHERE camera_id = ? AND stopped_at IS NULL
+		`, cameraID)
+		if err != nil {
+			log.Printf("Error stopping recording: %v", err)
+			respondJSON(w, http.StatusInternalServerError, map[string]string{"error": "database error"})
+			return
+		}
+
+		rows, _ := result.RowsAffected()
+		log.Printf("Recording stopped on %s (%d rows affected)", cameraID, rows)
+
+		respondJSON(w, http.StatusOK, map[string]string{
+			"status":    "recording_stopped",
+			"camera_id": cameraID,
+		})
+	}
+}