Merge pull request #29 from jwetzell/feat/int-random

add processors to create random int/uint

internal/processor/int-random.go

@@ -0,0 +1,61 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"math/rand/v2"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type IntRandom struct {
+	Min    int
+	Max    int
+	config config.ProcessorConfig
+}
+
+func (up *IntRandom) Process(ctx context.Context, payload any) (any, error) {
+	payloadInt := rand.IntN(up.Max-up.Min+1) + up.Min
+	return payloadInt, nil
+}
+
+func (up *IntRandom) Type() string {
+	return up.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "int.random",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			min, ok := params["min"]
+			if !ok {
+				return nil, errors.New("int.random requires a min parameter")
+			}
+
+			minFloat, ok := min.(float64)
+
+			if !ok {
+				return nil, errors.New("int.random min must be a number")
+			}
+
+			max, ok := params["max"]
+			if !ok {
+				return nil, errors.New("int.random requires a max parameter")
+			}
+
+			maxFloat, ok := max.(float64)
+
+			if !ok {
+				return nil, errors.New("int.random max must be a number")
+			}
+
+			if maxFloat < minFloat {
+				return nil, errors.New("int.random max must be greater than min")
+			}
+
+			return &IntRandom{config: config, Min: int(minFloat), Max: int(maxFloat)}, nil
+		},
+	})
+}

internal/processor/uint-random.go

@@ -0,0 +1,61 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"math/rand/v2"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type UintRandom struct {
+	Min    uint
+	Max    uint
+	config config.ProcessorConfig
+}
+
+func (ur *UintRandom) Process(ctx context.Context, payload any) (any, error) {
+	payloadInt := rand.UintN(ur.Max-ur.Min+1) + ur.Min
+	return payloadInt, nil
+}
+
+func (ur *UintRandom) Type() string {
+	return ur.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "uint.random",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			min, ok := params["min"]
+			if !ok {
+				return nil, errors.New("uint.random requires a min parameter")
+			}
+
+			minFloat, ok := min.(float64)
+
+			if !ok {
+				return nil, errors.New("uint.random min must be a number")
+			}
+
+			max, ok := params["max"]
+			if !ok {
+				return nil, errors.New("uint.random requires a max parameter")
+			}
+
+			maxFloat, ok := max.(float64)
+
+			if !ok {
+				return nil, errors.New("uint.random max must be a number")
+			}
+
+			if maxFloat < minFloat {
+				return nil, errors.New("uint.random max must be greater than min")
+			}
+
+			return &UintRandom{config: config, Min: uint(minFloat), Max: uint(maxFloat)}, nil
+		},
+	})
+}