64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
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package data
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import (
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"context"
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"github.com/redis/go-redis/v9"
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)
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type RedisClientConnector interface {
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Ping(ctx context.Context) *redis.StatusCmd
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LRange(ctx context.Context, key string, start, stop int64) *redis.StringSliceCmd
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SInter(ctx context.Context, keys ...string) *redis.StringSliceCmd
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Keys(ctx context.Context, pattern string) *redis.StringSliceCmd
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SAdd(ctx context.Context, key string, members ...interface{}) *redis.IntCmd
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SIsMember(ctx context.Context, key string, member interface{}) *redis.BoolCmd
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}
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type Redis struct {
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client RedisClientConnector
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}
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func NewRedisConnector(client RedisClientConnector) *Redis {
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if client == nil {
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client = redis.NewClient(&redis.Options{
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Addr: "localhost:6379",
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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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}
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return &Redis{ client: client }
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}
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func (r *Redis) Tags(context context.Context) []string {
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result,_ := r.client.Keys(context, "*").Result()
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return result
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}
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func (r *Redis) Connected(context context.Context) bool {
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if e := r.client.Ping(context).Err(); e != nil {
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return false
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}
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return true
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}
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func (r *Redis) Query(context context.Context, terms []string) ([]string, error) {
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result,_ := r.client.SInter(context, terms...).Result()
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return result, nil
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}
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func (r *Redis) AddTag(context context.Context, key string, resource string) error {
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if r,e := r.client.SAdd(context, key, resource).Result(); r != 1 || e != nil {
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return e
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}
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return nil
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}
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func (r *Redis) ResourceHasTag(context context.Context, resource string, tag string) bool {
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if r,e := r.client.SIsMember(context, tag, resource).Result(); r == false || e != nil {
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return false
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}
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return true
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}
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