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https://github.com/diamondburned/arikawa.git
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diamondburned
c6679dc52c
This commit refactors the Store interface in State into smaller interfaces in package store. These interfaces are combined into one structure called a "Cabinet". The default implementation of those interfaces have been rewritten in package defaultstore, while the old no-op implementation stays with the store package. This commit also omitted several state handlers for user events, as it is unclear what they are actually structured like.
85 lines
1.5 KiB
Go
85 lines
1.5 KiB
Go
package defaultstore
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import (
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"sync"
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"github.com/diamondburned/arikawa/v2/discord"
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"github.com/diamondburned/arikawa/v2/internal/moreatomic"
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"github.com/diamondburned/arikawa/v2/state/store"
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)
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type Emoji struct {
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guilds moreatomic.Map
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}
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type emojis struct {
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mut sync.Mutex
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emojis []discord.Emoji
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}
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var _ store.EmojiStore = (*Emoji)(nil)
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func NewEmoji() *Emoji {
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return &Emoji{
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guilds: *moreatomic.NewMap(func() interface{} {
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return &emojis{
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emojis: []discord.Emoji{},
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}
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}),
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}
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}
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func (s *Emoji) Reset() error {
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s.guilds.Reset()
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return nil
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}
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func (s *Emoji) Emoji(guildID discord.GuildID, emojiID discord.EmojiID) (*discord.Emoji, error) {
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iv, ok := s.guilds.Load(guildID)
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if !ok {
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return nil, store.ErrNotFound
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}
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es := iv.(*emojis)
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es.mut.Lock()
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defer es.mut.Unlock()
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for _, emoji := range es.emojis {
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if emoji.ID == emojiID {
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// Emoji is an implicit copy made by range, so we could do this
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// safely.
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return &emoji, nil
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}
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}
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return nil, store.ErrNotFound
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}
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func (s *Emoji) Emojis(guildID discord.GuildID) ([]discord.Emoji, error) {
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iv, ok := s.guilds.Load(guildID)
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if !ok {
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return nil, store.ErrNotFound
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}
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es := iv.(*emojis)
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es.mut.Lock()
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defer es.mut.Unlock()
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// We're never modifying the slice internals ourselves, so this is fine.
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return es.emojis, nil
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}
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func (s *Emoji) EmojiSet(guildID discord.GuildID, allEmojis []discord.Emoji) error {
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iv, _ := s.guilds.LoadOrStore(guildID)
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es := iv.(*emojis)
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es.mut.Lock()
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es.emojis = allEmojis
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es.mut.Unlock()
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return nil
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}
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