feat: cache

cache/memory.go

@@ -0,0 +1,53 @@
+package cache
+
+import (
+	"sync"
+	"time"
+
+	"git.nakama.town/fmartingr/gotoolkit/model"
+)
+
+var _ model.Cache = (*MemoryCache)(nil)
+
+type MemoryCache struct {
+	data   map[string]any
+	dataMu sync.RWMutex
+}
+
+func (c *MemoryCache) Get(key string) (result any, err error) {
+	c.dataMu.RLock()
+	defer c.dataMu.RUnlock()
+
+	result, exists := c.data[key]
+	if !exists {
+		return result, model.ErrCacheKeyDontExist
+	}
+
+	return
+}
+
+func (c *MemoryCache) GetWithExpiry(key string, expiration time.Duration) (any, error) {
+	// TODO: Implement expiration in memory cache.
+	return c.Get(key)
+}
+
+func (c *MemoryCache) Set(key string, value any) error {
+	c.dataMu.Lock()
+	c.data[key] = value
+	c.dataMu.Unlock()
+
+	return nil
+}
+
+func (c *MemoryCache) Delete(key string) error {
+	c.dataMu.Lock()
+	delete(c.data, key)
+	c.dataMu.Unlock()
+	return nil
+}
+
+func NewMemoryCache() *MemoryCache {
+	return &MemoryCache{
+		data: make(map[string]any),
+	}
+}