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Merge pull request #1 from shortbin/redis
[feat] add redis
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package redis | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "time" | ||
|
|
||
| goredis "github.com/redis/go-redis/v9" | ||
|
|
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| "shortbin/pkg/logger" | ||
| ) | ||
|
|
||
| const ( | ||
| ContextTimeout = 1 | ||
| InitContextTimeout = 5 | ||
| ) | ||
|
|
||
| // IRedis interface | ||
| type IRedis interface { | ||
| Get(key string, value interface{}) error | ||
| Set(key string, value interface{}, expiryTime time.Duration) error | ||
| } | ||
|
|
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| // Config redis | ||
| type Config struct { | ||
| Address string | ||
| Password string | ||
| Database int | ||
| } | ||
|
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| const NilReturn = goredis.Nil | ||
|
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| type redis struct { | ||
| cmd goredis.Cmdable | ||
| } | ||
|
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| // New Redis interface with config | ||
| func New(config Config) IRedis { | ||
| ctx, cancel := context.WithTimeout(context.Background(), InitContextTimeout*time.Second) | ||
| defer cancel() | ||
|
|
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| redisClient := goredis.NewClient(&goredis.Options{ | ||
| Addr: config.Address, | ||
| Password: config.Password, | ||
| DB: config.Database, | ||
| }) | ||
|
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||
| pong, err := redisClient.Ping(ctx).Result() | ||
| if err != nil { | ||
| logger.Fatal(pong, err) | ||
| return nil | ||
| } | ||
|
|
||
| return &redis{ | ||
| cmd: redisClient, | ||
| } | ||
| } | ||
|
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| func (r *redis) Get(key string, value interface{}) error { | ||
| ctx, cancel := context.WithTimeout(context.Background(), ContextTimeout*time.Second) | ||
| defer cancel() | ||
|
|
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| strValue, err := r.cmd.Get(ctx, key).Result() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| err = json.Unmarshal([]byte(strValue), value) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func (r *redis) Set(key string, value interface{}, expiryTime time.Duration) error { | ||
| ctx, cancel := context.WithTimeout(context.Background(), ContextTimeout*time.Second) | ||
| defer cancel() | ||
|
|
||
| bData, _ := json.Marshal(value) | ||
| err := r.cmd.Set(ctx, key, bData, expiryTime).Err() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |