fish03andClaude Opus 5.5
bef9f8b4ed
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package translationser
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import (
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"fmt"
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"sync"
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"time"
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"videoweb/app/service/upstream"
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"videoweb/pub/common/log"
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"github.com/gin-gonic/gin"
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)
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const (
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categoryListPath = "/api/app/translation/category/list"
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categoryListCacheTTL = 60 * time.Second
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)
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var (
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navMu sync.Mutex
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navCache []HeaderNavItemVM
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navAt time.Time
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)
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// FetchCategoryList 拉取导航分类列表。
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func FetchCategoryList(c *gin.Context) (*AppTranslationInfo, error) {
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var env APIEnvelope[AppTranslationInfo]
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if err := upstream.GetPublicJSON(c, categoryListPath, &env); err != nil {
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return nil, err
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}
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if env.Code != 200 {
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return nil, fmt.Errorf("translation category list code=%d msg=%s", env.Code, env.Msg)
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}
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return &env.Data, nil
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}
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// FetchHeaderNavOrDefault 带短缓存；失败或空列表时返回默认导航。
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func FetchHeaderNavOrDefault(c *gin.Context) []HeaderNavItemVM {
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navMu.Lock()
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defer navMu.Unlock()
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if navCache != nil && time.Since(navAt) < categoryListCacheTTL {
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return append([]HeaderNavItemVM(nil), navCache...)
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}
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info, err := FetchCategoryList(c)
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if err != nil {
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log.Error("fetch translation category list failed", log.E(err))
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return DefaultHeaderNav()
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}
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vm := BuildHeaderNav(info)
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if len(vm) == 0 {
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return DefaultHeaderNav()
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}
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navCache = vm
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navAt = time.Now()
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return append([]HeaderNavItemVM(nil), vm...)
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}
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