labmem
c812cfb663
- 添加通用查询选项、分类过滤选项及动态缓存键生成 - 新增分类创建与更新时间字段 当前实现尚未完成，留待后续继续设计： - 明确通用查询选项、模型过滤条件与缓存策略的边界 - 补齐数据库回源，修正分类返回类型及过滤条件生效问题 - 修正分页偏移计算，增加参数边界校验和稳定排序 - 完善缓存故障降级、空结果缓存及写后失效策略 - 修正缓存键参数编码歧义，补齐查询名和版本前缀 - 补充测试并验证编译与查询行为
83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
package query
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import "time"
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const (
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defaultPage = 1
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defaultPageSize = 10
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defaultIncludeDeleted = false
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defaultWithCacheWrite = false
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defaultCacheTTL = 5 * time.Minute
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defaultNotFoundCacheTTL = 1 * time.Minute
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)
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type Option struct {
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Page int
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PageSize int
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IncludeDeleted bool
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WithCacheWrite bool
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CacheTTL time.Duration
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NotFoundCacheTTL time.Duration
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}
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type OptionFunc func(*Option)
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func NewOption(opts ...OptionFunc) *Option {
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queryOpntion := &Option{
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Page: defaultPage,
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PageSize: defaultPageSize,
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IncludeDeleted: defaultIncludeDeleted,
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WithCacheWrite: defaultWithCacheWrite,
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CacheTTL: defaultCacheTTL,
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NotFoundCacheTTL: defaultNotFoundCacheTTL,
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}
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for _, opt := range opts {
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opt(queryOpntion)
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}
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return queryOpntion
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}
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func WithPage(page int) OptionFunc {
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return func(o *Option) {
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if page > 0 {
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o.Page = page
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}
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}
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}
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func WithPageSize(pageSize int) OptionFunc {
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return func(o *Option) {
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if pageSize > 0 {
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o.PageSize = pageSize
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}
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}
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}
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func WithIncludeDeleted(includeDeleted bool) OptionFunc {
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return func(o *Option) {
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o.IncludeDeleted = includeDeleted
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}
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}
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func WithCacheWrite(withCacheWrite bool) OptionFunc {
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return func(o *Option) {
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o.WithCacheWrite = withCacheWrite
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}
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}
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func WithCacheTTL(cacheTTL time.Duration) OptionFunc {
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return func(o *Option) {
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if cacheTTL >= 0 {
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o.CacheTTL = cacheTTL
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}
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}
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}
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func WithNotFoundCacheTTL(notFoundCacheTTL time.Duration) OptionFunc {
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return func(o *Option) {
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if notFoundCacheTTL >= 0 {
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o.NotFoundCacheTTL = notFoundCacheTTL
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}
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}
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}
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