Added Apache Cassandra Storage Driver

cassandra/config.go

@@ -0,0 +1,73 @@
+package cassandra
+
+import (
+	"time"
+
+	"github.com/gocql/gocql"
+)
+
+// Config defines the configuration options for the Cassandra storage
+type Config struct {
+	// Optional. Default is localhost
+	// Hosts is a list of Cassandra nodes to connect to.
+	Hosts []string
+	// Optional. Default is gofiber
+	// Keyspace is the name of the Cassandra keyspace to use.
+	Keyspace string
+	// Optional. Default is kv_store
+	/// Table is the name of the Cassandra table to use.
+	Table string
+	// Optional. Default is Quorum
+	// Consistency is the Cassandra consistency level.
+	Consistency gocql.Consistency
+	// Optional. Default is 10 minutes
+	// Expiration is the time after which an entry is considered expired.
+	Expiration time.Duration
+	// Optional. Default is false
+	// Reset is a flag to reset the database.
+	Reset bool
+}
+
+// ConfigDefault is the default config
+var ConfigDefault = Config{
+	Hosts:       []string{"localhost:9042"},
+	Keyspace:    "gofiber",
+	Table:       "kv_store",
+	Consistency: gocql.Quorum,
+	Reset:       false,
+	Expiration:  10 * time.Minute,
+}
+
+// ConfigDefault is the default config
+func configDefault(config ...Config) Config {
+	// Return default config if nothing provided
+	if len(config) < 1 {
+		return ConfigDefault
+	}
+
+	// Override default config
+	cfg := config[0]
+
+	// Set default values
+	if len(cfg.Hosts) == 0 {
+		cfg.Hosts = ConfigDefault.Hosts
+	}
+
+	if cfg.Keyspace == "" {
+		cfg.Keyspace = ConfigDefault.Keyspace
+	}
+
+	if cfg.Table == "" {
+		cfg.Table = ConfigDefault.Table
+	}
+
+	if cfg.Consistency == 0 {
+		cfg.Consistency = ConfigDefault.Consistency
+	}
+
+	if cfg.Expiration == 0 {
+		cfg.Expiration = ConfigDefault.Expiration
+	}
+
+	return cfg
+}