package cache import ( "time" "github.com/jtom38/newsbot/collector/domain/model" ) type CacheClient struct{ group string DefaultTimer time.Duration } func NewCacheClient(group string) CacheClient { return CacheClient{ group: group, DefaultTimer: time.Hour, } } func (cc *CacheClient) Insert(key string, value string) { item := model.CacheItem{ Key: key, Value: value, Group: cc.group, Expires: time.Now().Add(1 * time.Hour), IsTainted: false, } cacheStorage = append(cacheStorage, &item) } func (cc *CacheClient) FindByKey(key string) (*model.CacheItem, error) { for _, item := range cacheStorage { if item.Group != cc.group { continue } if item.Key != key { continue } // if it was tainted, renew the timer and remove the taint as this record was still needed if item.IsTainted { item.IsTainted = false item.Expires = time.Now().Add(1 * time.Hour) } return item, nil } return &model.CacheItem{}, ErrCacheRecordMissing } func (cc *CacheClient) FindByValue(value string) (*model.CacheItem, error) { for _, item := range cacheStorage { if item.Group != cc.group { continue } if item.Value != value { continue } // if it was tainted, renew the timer and remove the taint as this record was still needed if item.IsTainted { item.IsTainted = false item.Expires = time.Now().Add(1 * time.Hour) } return item, nil } return &model.CacheItem{}, ErrCacheRecordMissing }