feat: add ontology material ingestion

internal/httpapi/ontology.go

@@ -0,0 +1,48 @@
+package httpapi
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"tutor/internal/ontology"
+)
+
+type ingestMaterialRequest struct {
+	Title      string `json:"title"`
+	SourceType string `json:"source_type"`
+	Body       string `json:"body"`
+}
+
+func (h Handler) ingestMaterial(w http.ResponseWriter, r *http.Request) {
+	if h.ontology == nil {
+		writeError(w, http.StatusNotFound, "ontology not configured")
+		return
+	}
+
+	var req ingestMaterialRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid JSON body")
+		return
+	}
+
+	result, err := h.ontology.Ingest(ontology.IngestInput{
+		Title:      req.Title,
+		SourceType: req.SourceType,
+		Body:       req.Body,
+	})
+	if err != nil {
+		writeError(w, http.StatusBadRequest, err.Error())
+		return
+	}
+
+	writeJSON(w, http.StatusCreated, result)
+}
+
+func (h Handler) getOntology(w http.ResponseWriter, _ *http.Request) {
+	if h.ontology == nil {
+		writeError(w, http.StatusNotFound, "ontology not configured")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, h.ontology.Snapshot())
+}