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package dorm
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import (
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"context"
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"go.dtapp.net/gojson"
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"time"
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)
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// GttStringFunc String缓存结构
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type GttStringFunc func() string
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// GttInterfaceFunc Interface缓存结构
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type GttInterfaceFunc func() interface{}
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// RedisCacheConfig 配置
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type RedisCacheConfig struct {
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Expiration time.Duration // 过期时间
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}
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// RedisClientCache https://github.com/go-redis/redis
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type RedisClientCache struct {
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defaultExpiration time.Duration // 过期时间
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operation *RedisClient // 操作
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GetterString GttStringFunc // 不存在的操作
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GetterInterface GttInterfaceFunc // 不存在的操作
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}
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// NewCache 实例化
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func (r *RedisClient) NewCache(config *RedisCacheConfig) *RedisClientCache {
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return &RedisClientCache{
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defaultExpiration: config.Expiration,
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operation: r,
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}
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}
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// NewCacheDefaultExpiration 实例化
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func (r *RedisClient) NewCacheDefaultExpiration() *RedisClientCache {
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return &RedisClientCache{
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defaultExpiration: time.Minute * 30,
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operation: r,
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}
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}
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// GetString 缓存操作
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func (rc *RedisClientCache) GetString(ctx context.Context, key string) (ret string) {
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f := func() string {
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return rc.GetterString()
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}
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// 如果不存在，则调用GetterString
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ret, err := rc.operation.Get(ctx, key).Result()
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if err != nil {
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rc.operation.Set(ctx, key, f(), rc.defaultExpiration)
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ret, _ = rc.operation.Get(ctx, key).Result()
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}
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return
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}
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// GetInterface 缓存操作
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func (rc *RedisClientCache) GetInterface(ctx context.Context, key string, result interface{}) {
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f := func() string {
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marshal, _ := gojson.Marshal(rc.GetterInterface())
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return string(marshal)
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}
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// 如果不存在，则调用GetterInterface
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ret, err := rc.operation.Get(ctx, key).Result()
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if err != nil {
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rc.operation.Set(ctx, key, f(), rc.defaultExpiration)
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ret, _ = rc.operation.Get(ctx, key).Result()
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}
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err = gojson.Unmarshal([]byte(ret), result)
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return
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}
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// GetInterfaceKey 获取key值
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func (rc *RedisClientCache) GetInterfaceKey(ctx context.Context, key string, result interface{}) error {
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ret, err := rc.operation.Get(ctx, key).Result()
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if err != nil {
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return err
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}
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err = gojson.Unmarshal([]byte(ret), result)
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return nil
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}
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// SetInterfaceKey 设置key值
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func (rc *RedisClientCache) SetInterfaceKey(ctx context.Context, key string, value interface{}) (string, error) {
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marshal, _ := gojson.Marshal(value)
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return rc.operation.Set(ctx, key, marshal, rc.defaultExpiration).Result()
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}
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