Add registry, ingest, timeline, tickets features

internal/api/timeline.go

@@ -0,0 +1,64 @@
+package api
+
+import (
+	"net/http"
+	"strconv"
+	"strings"
+
+	"reanimator/internal/repository/timeline"
+)
+
+func writeTimelineResponse(w http.ResponseWriter, r *http.Request, repo *timeline.EventRepository, subjectType string, subjectID int64) {
+	limit := 50
+	if raw := r.URL.Query().Get("limit"); raw != "" {
+		if parsed, err := strconv.Atoi(raw); err == nil {
+			limit = parsed
+		} else {
+			writeError(w, http.StatusBadRequest, "invalid limit")
+			return
+		}
+	}
+
+	var cursor *timeline.Cursor
+	if raw := r.URL.Query().Get("cursor"); raw != "" {
+		decoded, err := timeline.DecodeCursor(raw)
+		if err != nil {
+			writeError(w, http.StatusBadRequest, "invalid cursor")
+			return
+		}
+		cursor = &decoded
+	}
+
+	items, next, err := repo.List(r.Context(), subjectType, subjectID, limit, cursor)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "list timeline failed")
+		return
+	}
+
+	var nextCursor *string
+	if next != nil {
+		value := timeline.EncodeCursor(*next)
+		nextCursor = &value
+	}
+
+	writeJSON(w, http.StatusOK, map[string]any{
+		"items":       items,
+		"next_cursor": nextCursor,
+	})
+}
+
+func parseTimelineID(path, prefix string) int64 {
+	if !strings.HasPrefix(path, prefix) || !strings.HasSuffix(path, "/timeline") {
+		return 0
+	}
+	trimmed := strings.TrimPrefix(path, prefix)
+	trimmed = strings.TrimSuffix(trimmed, "/timeline")
+	if trimmed == "" || strings.Contains(trimmed, "/") {
+		return 0
+	}
+	id, err := strconv.ParseInt(trimmed, 10, 64)
+	if err != nil || id <= 0 {
+		return 0
+	}
+	return id
+}