data layer

data-layer/api/internal/handler/profile_handler.go

@@ -0,0 +1,85 @@
+package handler
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+
+	"github.com/dbiz/cdp/data-layer/api/internal/apperr"
+	"github.com/dbiz/cdp/data-layer/api/internal/middleware"
+	"github.com/dbiz/cdp/data-layer/api/internal/service"
+)
+
+type ProfileHandler struct {
+	svc *service.ProfileService
+	log *zap.Logger
+}
+
+func NewProfileHandler(svc *service.ProfileService, log *zap.Logger) *ProfileHandler {
+	return &ProfileHandler{svc: svc, log: log}
+}
+
+// Get handles GET /profiles/:id.
+func (h *ProfileHandler) Get(w http.ResponseWriter, r *http.Request) {
+	id, err := parseProfileID(r)
+	if err != nil {
+		writeError(w, err)
+		return
+	}
+	ws := middleware.WorkspaceFromCtx(r.Context())
+	p, err := h.svc.Get(r.Context(), ws, id)
+	if err != nil {
+		writeError(w, err)
+		return
+	}
+	writeJSON(w, http.StatusOK, p)
+}
+
+// Timeline handles GET /profiles/:id/events.
+func (h *ProfileHandler) Timeline(w http.ResponseWriter, r *http.Request) {
+	id, err := parseProfileID(r)
+	if err != nil {
+		writeError(w, err)
+		return
+	}
+	limit, offset := parsePagination(r, 100, 1000)
+
+	ws := middleware.WorkspaceFromCtx(r.Context())
+	res, err := h.svc.Timeline(r.Context(), ws, id, limit, offset)
+	if err != nil {
+		writeError(w, err)
+		return
+	}
+	writeJSON(w, http.StatusOK, res)
+}
+
+func parseProfileID(r *http.Request) (string, error) {
+	raw := chi.URLParam(r, "id")
+	if raw == "" {
+		return "", apperr.BadRequest("missing profile id", "id", nil)
+	}
+	if _, err := uuid.Parse(raw); err != nil {
+		return "", apperr.BadRequest("profile id must be uuid", "id", err)
+	}
+	return raw, nil
+}
+
+// parsePagination reads ?limit & ?offset with bounds. Invalid values fall back
+// to the defaults rather than erroring -- the endpoints are GET, not strict.
+func parsePagination(r *http.Request, def, max int) (limit, offset int) {
+	limit = def
+	if v := r.URL.Query().Get("limit"); v != "" {
+		if n, err := strconv.Atoi(v); err == nil && n > 0 && n <= max {
+			limit = n
+		}
+	}
+	if v := r.URL.Query().Get("offset"); v != "" {
+		if n, err := strconv.Atoi(v); err == nil && n >= 0 {
+			offset = n
+		}
+	}
+	return
+}