55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
package util
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import (
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"context"
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"encoding/json"
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"log"
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"math/rand"
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"time"
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"management/internal/erpserver/model/view"
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"management/internal/pkg/cache"
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)
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func GetCacheExpire() time.Duration {
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return time.Hour*6 + time.Duration(rand.Intn(600))*time.Second // 6小时±10分钟
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}
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func GetOrSetCache(ctx context.Context, redis cache.Cache, key string, expire time.Duration, getData func() (any, error), result any) error {
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if data, err := redis.GetBytes(ctx, key); err == nil {
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return json.Unmarshal(data, result)
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}
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data, err := getData()
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if err != nil {
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return err
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}
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bytes, err := json.Marshal(data)
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if err != nil {
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return err
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}
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if err := redis.Set(ctx, key, bytes, expire); err != nil {
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log.Printf("Failed to set cache: %v", err)
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}
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return json.Unmarshal(bytes, result)
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}
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func BuildTree[T any](
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parentID int32,
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data []*T,
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idFunc func(*T) int32,
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childrenFunc func(*T, []*view.LayuiTree) *view.LayuiTree,
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) []*view.LayuiTree {
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var res []*view.LayuiTree
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for _, item := range data {
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if idFunc(item) == parentID {
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childNodes := BuildTree[T](idFunc(item), data, idFunc, childrenFunc)
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res = append(res, childrenFunc(item, childNodes))
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}
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}
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return res
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}
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