81 lines
1.4 KiB
Go
81 lines
1.4 KiB
Go
package storage
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import (
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"encoding/json"
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"os"
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"github.com/disgoorg/snowflake/v2"
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)
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func NewChannelStorage(filename string) (*ChannelStorage, error) {
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storage := &ChannelStorage{
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filename: filename,
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Channels: make(map[snowflake.ID]bool),
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}
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if err := storage.Load(); err != nil && !os.IsNotExist(err) {
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return nil, err
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}
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return storage, nil
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}
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func (s *ChannelStorage) Load() error {
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s.mutex.Lock()
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defer s.mutex.Unlock()
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data, err := os.ReadFile(s.filename)
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if err != nil {
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return err
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}
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return json.Unmarshal(data, s)
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}
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func (s *ChannelStorage) Save() error {
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s.mutex.Lock()
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defer s.mutex.Unlock()
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data, err := json.MarshalIndent(s, "", " ")
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if err != nil {
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return err
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}
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return os.WriteFile(s.filename, data, 0644)
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}
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func (s *ChannelStorage) AddChannel(channelID snowflake.ID) error {
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s.mutex.Lock()
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s.Channels[channelID] = true
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s.mutex.Unlock()
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return s.Save()
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}
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func (s *ChannelStorage) RemoveChannel(channelID snowflake.ID) error {
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s.mutex.Lock()
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delete(s.Channels, channelID)
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s.mutex.Unlock()
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return s.Save()
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}
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func (s *ChannelStorage) IsRegistered(channelID snowflake.ID) bool {
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s.mutex.RLock()
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defer s.mutex.RUnlock()
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return s.Channels[channelID]
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}
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func (s *ChannelStorage) GetAll() []snowflake.ID {
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s.mutex.RLock()
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defer s.mutex.RUnlock()
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channels := make([]snowflake.ID, 0, len(s.Channels))
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for channelID := range s.Channels {
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channels = append(channels, channelID)
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}
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return channels
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}
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