86 lines
1.5 KiB
Go
86 lines
1.5 KiB
Go
package cache
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import (
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"fmt"
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"sync"
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"go-socket/packages/types"
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"github.com/google/uuid"
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)
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var (
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Mu sync.RWMutex
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Users = make(map[uuid.UUID]*types.User)
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)
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func CacheGetUserById(id uuid.UUID) (*types.User, error) {
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Mu.RLock()
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defer Mu.RUnlock()
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user, ok := Users[id]
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if !ok {
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return nil, fmt.Errorf("user %s not found", id)
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}
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return user, nil
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}
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func CacheGetUserByName(name string) (*types.User, error) {
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Mu.RLock()
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defer Mu.RUnlock()
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for _, user := range Users {
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if user.Name == name {
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return user, nil
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}
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}
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return nil, fmt.Errorf("user %s not found", name)
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}
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func CacheSaveUser(user *types.User) {
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Mu.Lock()
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defer Mu.Unlock()
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Users[user.Id] = user
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}
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func CacheDeleteUser(id uuid.UUID) {
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Mu.Lock()
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defer Mu.Unlock()
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delete(Users, id)
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}
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func CacheAddConnection(a, b *types.User, conn *types.Connection) {
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first, second := a, b
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if a.Id.String() > b.Id.String() {
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first, second = b, a
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}
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first.Mu.Lock()
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second.Mu.Lock()
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a.Connections[conn.Id] = conn
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b.Connections[conn.Id] = conn
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second.Mu.Unlock()
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first.Mu.Unlock()
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}
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func CacheDeleteConnection(a, b *types.User, id uuid.UUID) {
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first, second := a, b
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if a.Id.String() > b.Id.String() {
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first, second = b, a
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}
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first.Mu.Lock()
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second.Mu.Lock()
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delete(a.Connections, id)
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delete(b.Connections, id)
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second.Mu.Unlock()
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first.Mu.Unlock()
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}
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func CacheGetConnection(user *types.User, id uuid.UUID) (*types.Connection, bool) {
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user.Mu.RLock()
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defer user.Mu.RUnlock()
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conn, ok := user.Connections[id]
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return conn, ok
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}
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