Initial backend repository commit.

Set up project files and add .gitignore to exclude local build/runtime artifacts.

Made-with: Cursor

internal/pkg/redis/redis.go

@@ -0,0 +1,119 @@
+package redis
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/alicebob/miniredis/v2"
+	"github.com/redis/go-redis/v9"
+
+	"carrot_bbs/internal/config"
+)
+
+// Client Redis客户端
+type Client struct {
+	rdb         *redis.Client
+	isMiniRedis bool
+	mr          *miniredis.Miniredis
+}
+
+// New 创建Redis客户端
+func New(cfg *config.RedisConfig) (*Client, error) {
+	switch cfg.Type {
+	case "miniredis":
+		// 启动内嵌Redis模拟
+		mr, err := miniredis.Run()
+		if err != nil {
+			return nil, fmt.Errorf("failed to start miniredis: %w", err)
+		}
+		rdb := redis.NewClient(&redis.Options{
+			Addr:     mr.Addr(),
+			Password: "",
+			DB:       0,
+		})
+		return &Client{
+			rdb:         rdb,
+			isMiniRedis: true,
+			mr:          mr,
+		}, nil
+	case "redis":
+		// 使用真实Redis
+		rdb := redis.NewClient(&redis.Options{
+			Addr:     cfg.Redis.Addr(),
+			Password: cfg.Redis.Password,
+			DB:       cfg.Redis.DB,
+			PoolSize: cfg.PoolSize,
+		})
+		ctx := context.Background()
+		if err := rdb.Ping(ctx).Err(); err != nil {
+			return nil, fmt.Errorf("failed to connect to redis: %w", err)
+		}
+		return &Client{rdb: rdb, isMiniRedis: false}, nil
+	default:
+		// 默认使用miniredis
+		mr, err := miniredis.Run()
+		if err != nil {
+			return nil, fmt.Errorf("failed to start miniredis: %w", err)
+		}
+		rdb := redis.NewClient(&redis.Options{
+			Addr: mr.Addr(),
+		})
+		return &Client{
+			rdb:         rdb,
+			isMiniRedis: true,
+			mr:          mr,
+		}, nil
+	}
+}
+
+// Get 获取值
+func (c *Client) Get(ctx context.Context, key string) (string, error) {
+	return c.rdb.Get(ctx, key).Result()
+}
+
+// Set 设置值
+func (c *Client) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) error {
+	return c.rdb.Set(ctx, key, value, expiration).Err()
+}
+
+// Del 删除键
+func (c *Client) Del(ctx context.Context, keys ...string) error {
+	return c.rdb.Del(ctx, keys...).Err()
+}
+
+// Exists 检查键是否存在
+func (c *Client) Exists(ctx context.Context, keys ...string) (int64, error) {
+	return c.rdb.Exists(ctx, keys...).Result()
+}
+
+// Incr 递增
+func (c *Client) Incr(ctx context.Context, key string) (int64, error) {
+	return c.rdb.Incr(ctx, key).Result()
+}
+
+// Expire 设置过期时间
+func (c *Client) Expire(ctx context.Context, key string, expiration time.Duration) (bool, error) {
+	return c.rdb.Expire(ctx, key, expiration).Result()
+}
+
+// GetClient 获取原生客户端
+func (c *Client) GetClient() *redis.Client {
+	return c.rdb
+}
+
+// Close 关闭连接
+func (c *Client) Close() error {
+	if err := c.rdb.Close(); err != nil {
+		return err
+	}
+	if c.mr != nil {
+		c.mr.Close()
+	}
+	return nil
+}
+
+// IsMiniRedis 返回是否是miniredis
+func (c *Client) IsMiniRedis() bool {
+	return c.isMiniRedis
+}