wp-go/internal/plugins/digest.go
2023-02-02 19:16:18 +08:00

59 lines
1.3 KiB
Go

package plugins
import (
"context"
"fmt"
"github.com/fthvgb1/wp-go/cache"
"github.com/fthvgb1/wp-go/internal/pkg/config"
"github.com/fthvgb1/wp-go/internal/pkg/models"
"github.com/fthvgb1/wp-go/plugin/digest"
"github.com/gin-gonic/gin"
"strings"
"time"
)
var digestCache *cache.MapCache[uint64, string]
var ctx context.Context
func InitDigestCache() {
ctx = context.Background()
digestCache = cache.NewMemoryMapCacheByFn[uint64](digestRaw, config.Conf.Load().DigestCacheTime)
}
func ClearDigestCache() {
digestCache.ClearExpired(ctx)
}
func FlushCache() {
digestCache.Flush(ctx)
}
func digestRaw(arg ...any) (string, error) {
str := arg[0].(string)
id := arg[1].(uint64)
limit := config.Conf.Load().DigestWordCount
if limit < 0 {
return str, nil
} else if limit == 0 {
return "", nil
}
return digest.Raw(str, limit, fmt.Sprintf("/p/%d", id)), nil
}
func Digest(p *Plugin[models.Posts], c *gin.Context, post *models.Posts, scene int) {
if scene == Detail {
return
}
if post.PostExcerpt != "" {
post.PostContent = strings.Replace(post.PostExcerpt, "\n", "<br/>", -1)
} else {
post.PostContent = DigestCache(c, post.Id, post.PostContent)
}
p.Next()
}
func DigestCache(ctx *gin.Context, id uint64, str string) string {
content, _ := digestCache.GetCache(ctx, id, time.Second, str, id)
return content
}