集群可以设置WebP策略

pkg/nodeconfigs/image_webp_policy.go

@@ -0,0 +1,46 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodeconfigs
+
+import "github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
+
+func init() {
+	_ = DefaultWebPImagePolicy.Init()
+}
+
+var DefaultWebPImagePolicy = &WebPImagePolicy{
+	IsOn:         true,
+	RequireCache: true,
+	MinLength:    shared.NewSizeCapacity(0, shared.SizeCapacityUnitKB),
+	MaxLength:    shared.NewSizeCapacity(128, shared.SizeCapacityUnitMB),
+}
+
+// WebPImagePolicy WebP策略
+type WebPImagePolicy struct {
+	IsOn         bool                 `yaml:"isOn" json:"isOn"`                 // 是否启用
+	RequireCache bool                 `yaml:"requireCache" json:"requireCache"` // 需要在缓存条件下进行
+	MinLength    *shared.SizeCapacity `yaml:"minLength" json:"minLength"`       // 最小压缩对象比如4m, 24k
+	MaxLength    *shared.SizeCapacity `yaml:"maxLength" json:"maxLength"`       // 最大压缩对象
+
+	minLength int64
+	maxLength int64
+}
+
+func (this *WebPImagePolicy) Init() error {
+	if this.MinLength != nil {
+		this.minLength = this.MinLength.Bytes()
+	}
+	if this.MaxLength != nil {
+		this.maxLength = this.MaxLength.Bytes()
+	}
+
+	return nil
+}
+
+func (this *WebPImagePolicy) MinLengthBytes() int64 {
+	return this.minLength
+}
+
+func (this *WebPImagePolicy) MaxLengthBytes() int64 {
+	return this.maxLength
+}