Initial cloud-services repo - gateway service + pkg modules

pkg/redisv2/batch_commands.go

@@ -0,0 +1,50 @@
+package redisv2
+
+import (
+	"encoding/json"
+
+	"github.com/pkg/errors"
+)
+
+type RedisBatchCommands struct {
+	Commands []Command
+}
+
+type Command struct {
+	Command string
+	Arguments []interface{}
+}
+
+func NewRedisBatchCommands() *RedisBatchCommands {
+	result := RedisBatchCommands{}
+	result.Commands = make([]Command, 0)
+
+	return &result
+}
+
+func (rbc *RedisBatchCommands) Add(command ...Command) {
+	rbc.Commands = append(rbc.Commands, command...)
+}
+
+func (rbc *RedisBatchCommands) AddPublish(key string, message interface{}) error {
+	data, err := json.Marshal(message)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	
+	rbc.Add(Command{
+		Command: "PUBLISH",
+		Arguments: []interface{}{ChannelKey(key), string(data)},
+	})
+
+	return nil
+}
+
+func (rbc *RedisBatchCommands) IsEmpty() bool {
+	return len(rbc.Commands) == 0
+}
+
+func (rbc *RedisBatchCommands) Clear() {
+	rbc.Commands = make([]Command, 0)
+}