feat(server): complete field object rewards, effects, positions and calendar resets

go/internal/server/progress/field_buffs.go

@@ -0,0 +1,81 @@
+package progress
+
+import (
+	"bd2server/internal/server/wire"
+	"fmt"
+	"sort"
+	"strconv"
+)
+
+func (s *Store) SaveFieldBuff(id uint64, raw []byte) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	storedID, _, err := wire.Varint(raw, 1)
+	if err != nil || id == 0 || id > 0x7fffffff || storedID != id {
+		return fmt.Errorf("progress: invalid field buff identity")
+	}
+	store, err := s.fieldRewardEntries()
+	if err != nil {
+		return err
+	}
+	return store.PutEntry("progress", "field_buffs", strconv.FormatUint(id, 10), raw)
+}
+
+func (s *Store) FieldBuffs() ([][]byte, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	store, err := s.fieldRewardEntries()
+	if err != nil {
+		return nil, err
+	}
+	entries, err := store.ListEntries("progress", "field_buffs")
+	if err != nil {
+		return nil, err
+	}
+	ids := make([]uint64, 0, len(entries))
+	for key, raw := range entries {
+		id, err := strconv.ParseUint(key, 10, 32)
+		storedID, _, parseErr := wire.Varint(raw, 1)
+		if err != nil || parseErr != nil || id == 0 || id > 0x7fffffff || id != storedID {
+			return nil, fmt.Errorf("progress: invalid saved field buff")
+		}
+		ids = append(ids, id)
+	}
+	sort.Slice(ids, func(i, j int) bool { return ids[i] < ids[j] })
+	var out [][]byte
+	for _, id := range ids {
+		out = append(out, entries[strconv.FormatUint(id, 10)])
+	}
+	return out, nil
+}
+
+func (s *Store) RemoveFieldBuff(id uint64) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	store, err := s.fieldRewardEntries()
+	if err != nil {
+		return err
+	}
+	_, err = store.DeleteEntry("progress", "field_buffs", strconv.FormatUint(id, 10))
+	return err
+}
+
+func (s *Store) ClaimFieldBuffBattle(identity string) (bool, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if identity == "" {
+		return false, fmt.Errorf("progress: empty field buff battle identity")
+	}
+	store, err := s.fieldRewardEntries()
+	if err != nil {
+		return false, err
+	}
+	_, found, err := store.LoadEntry("progress", "field_buff_battles", identity)
+	if err != nil || found {
+		return false, err
+	}
+	if err = store.PutEntry("progress", "field_buff_battles", identity, []byte("used")); err != nil {
+		return false, err
+	}
+	return true, nil
+}