70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
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package engine
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import (
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"encoding/json"
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"io/ioutil"
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"strings"
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"github.com/go-redis/redis/v7"
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)
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// RedisClient is an idiomatic interface for the Redis client,
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// adding few methods to interact with the file system.
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type RedisClient struct {
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conn *redis.Client
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}
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// NewRedisClient returns a Redis client
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func NewRedisClient(addr, port string) (*RedisClient, error) {
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client := redis.NewClient(&redis.Options{
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Addr: addr + ":" + port,
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Password: "", // no password set
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DB: 0, // use default DB
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})
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err := client.Ping().Err()
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if err != nil {
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return nil, err
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}
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return &RedisClient{conn: client}, nil
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}
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// AddFile index a file
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func (c *RedisClient) AddFile(file string, score int) error {
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data, err := ioutil.ReadFile(file)
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if err != nil {
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return err
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}
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words := strings.Split(string(data), " ")
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wordsJSONArray, err := json.Marshal(&words)
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if err != nil {
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return err
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}
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return c.conn.Set(file, wordsJSONArray, 0).Err()
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}
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// GetKey returns a key value
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func (c *RedisClient) GetKey(key string) (string, error) {
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// Utilisez Redigo pour lire toutes les valeurs de la clef, et les
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// placer dans une tranche de chaînes. Renvoyez une erreur si nécessaire.
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return c.conn.Get(key).Result()
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}
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// GetAllKeys returns a key value
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func (c *RedisClient) GetAllKeys() (keys []string, err error) {
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// Utilisez Redigo pour lire toutes les valeurs de la clef, et les
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// placer dans une tranche de chaînes. Renvoyez une erreur si nécessaire.
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keys, _, err = c.conn.Scan(0, "*", 15).Result()
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return
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}
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// Close closes the Redis connection
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func (c *RedisClient) Close() error {
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return c.conn.Close()
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}
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