wp-go/app/plugins/digest.go

81 lines
2.3 KiB
Go

package plugins
import (
"context"
"fmt"
"github.com/fthvgb1/wp-go/app/pkg/config"
"github.com/fthvgb1/wp-go/app/pkg/models"
"github.com/fthvgb1/wp-go/cache/cachemanager"
"github.com/fthvgb1/wp-go/helper"
"github.com/fthvgb1/wp-go/plugin/digest"
"regexp"
"strings"
"time"
"unicode/utf8"
)
var more = regexp.MustCompile("<!--more(.*?)?-->")
var removeWpBlock = regexp.MustCompile("<!-- /?wp:.*-->")
func InitDigestCache() {
cachemanager.NewMemoryMapCache(nil, digestRaw, config.GetConfig().CacheTime.DigestCacheTime, "digestPlugin", func() time.Duration {
return config.GetConfig().CacheTime.DigestCacheTime
})
}
func RemoveWpBlock(s string) string {
return removeWpBlock.ReplaceAllString(s, "")
}
func digestRaw(ctx context.Context, id uint64, arg ...any) (string, error) {
s := arg[1].(string)
limit := arg[3].(int)
if limit < 0 {
return s, nil
} else if limit == 0 {
return "", nil
}
s = more.ReplaceAllString(s, "")
fn := helper.GetContextVal(ctx, "postMoreFn", PostsMore)
return Digests(s, id, limit, fn), nil
}
func Digests(content string, id uint64, limit int, fn func(id uint64, content, closeTag string) string) string {
closeTag := ""
content = RemoveWpBlock(content)
tag := config.GetConfig().DigestAllowTag
if tag == "" {
tag = "<a><b><blockquote><br><cite><code><dd><del><div><dl><dt><em><h1><h2><h3><h4><h5><h6><i><img><li><ol><p><pre><span><strong><ul>"
}
content = digest.StripTags(content, tag)
length := utf8.RuneCountInString(content) + 1
if length <= limit {
return content
}
content, closeTag = digest.Html(content, limit)
if fn == nil {
return PostsMore(id, content, closeTag)
}
return fn(id, content, closeTag)
}
func PostsMore(id uint64, content, closeTag string) string {
tmp := `%s......%s<p class="read-more"><a href="/p/%d">继续阅读</a></p>`
if strings.Contains(closeTag, "pre") || strings.Contains(closeTag, "code") {
tmp = `%s%s......<p class="read-more"><a href="/p/%d">继续阅读</a></p>`
}
content = fmt.Sprintf(tmp, content, closeTag, id)
return content
}
func Digest(ctx context.Context, post *models.Posts, limit int) {
content, _ := cachemanager.GetBy[string]("digestPlugin", ctx, post.Id, time.Second, ctx, post.PostContent, post.Id, limit)
post.PostContent = content
}
func PostExcerpt(post *models.Posts) {
post.PostContent = strings.Replace(post.PostExcerpt, "\n", "<br/>", -1)
}