Add local navigation API

internal/web/navigation.go

@@ -0,0 +1,50 @@
+package web
+
+import (
+	"errors"
+	"net/http"
+	"strconv"
+
+	"github.com/AmanTahiliani/box-box/internal/query"
+)
+
+func (s *Server) handleSeasons(w http.ResponseWriter, r *http.Request) {
+	if !s.hasLocalQuery() {
+		writeJSON(w, []int{})
+		return
+	}
+
+	years, err := s.query.ListSeasons()
+	if err != nil {
+		writeError(w, err, http.StatusInternalServerError, false)
+		return
+	}
+	if years == nil {
+		years = []int{}
+	}
+	writeJSON(w, years)
+}
+
+func (s *Server) handleWeekend(w http.ResponseWriter, r *http.Request) {
+	meetingKey, err := strconv.Atoi(r.URL.Query().Get("meeting_key"))
+	if err != nil || meetingKey == 0 {
+		http.Error(w, "meeting_key required", http.StatusBadRequest)
+		return
+	}
+
+	if !s.hasLocalQuery() {
+		writeError(w, query.ErrMeetingNotFound, http.StatusNotFound, false)
+		return
+	}
+
+	weekend, err := s.query.GetWeekend(meetingKey)
+	if err != nil {
+		if errors.Is(err, query.ErrMeetingNotFound) {
+			writeError(w, err, http.StatusNotFound, false)
+			return
+		}
+		writeError(w, err, http.StatusInternalServerError, false)
+		return
+	}
+	writeJSON(w, weekend)
+}