wp-go/app/theme/wp/comments.go
2024-01-04 23:36:00 +08:00

135 lines
3.7 KiB
Go

package wp
import (
"context"
"github.com/fthvgb1/wp-go/app/pkg/models"
"github.com/fthvgb1/wp-go/app/plugins"
"github.com/fthvgb1/wp-go/app/wpconfig"
"github.com/fthvgb1/wp-go/cache"
"github.com/fthvgb1/wp-go/cache/cachemanager"
"github.com/fthvgb1/wp-go/helper/slice"
str "github.com/fthvgb1/wp-go/helper/strings"
"time"
)
func RenderComment(ctx context.Context, page int, render plugins.CommentHtml, ids []uint64, timeout time.Duration, isTLS bool) (string, error) {
ca, _ := cachemanager.GetMapCache[uint64, models.Comments]("postCommentData")
children, _ := cachemanager.GetMapCache[uint64, []uint64]("commentChildren")
h := CommentHandle{
maxDepth: str.ToInteger(wpconfig.GetOption("thread_comments_depth"), 5),
depth: 1,
isTls: isTLS,
html: render,
order: wpconfig.GetOption("comment_order"),
ca: ca,
children: children,
threadComments: wpconfig.GetOption("thread_comments") == "1",
page: page,
}
return h.formatComments(ctx, ids, timeout)
}
type CommentHandle struct {
maxDepth int
depth int
isTls bool
html plugins.CommentHtml
order string
page int
ca *cache.MapCache[uint64, models.Comments]
children *cache.MapCache[uint64, []uint64]
threadComments bool
}
func (c CommentHandle) findComments(ctx context.Context, timeout time.Duration, comments []models.Comments) ([]models.Comments, error) {
parentIds := slice.Map(comments, func(t models.Comments) uint64 {
return t.CommentId
})
children, err := c.childrenComment(ctx, parentIds, timeout)
rr := slice.FilterAndMap(children, func(t []uint64) ([]uint64, bool) {
return t, len(t) > 0
})
if len(rr) < 1 {
return comments, nil
}
ids := slice.Decompress(rr)
r, err := c.ca.GetCacheBatch(ctx, ids, timeout)
if err != nil {
return nil, err
}
rrr, err := c.findComments(ctx, timeout, r)
if err != nil {
return nil, err
}
comments = append(comments, rrr...)
slice.Sort(comments, func(i, j models.Comments) bool {
return c.html.FloorOrder(c.order, i, j)
})
return comments, nil
}
func (c CommentHandle) childrenComment(ctx context.Context, ids []uint64, timeout time.Duration) ([][]uint64, error) {
v, err := c.children.GetCacheBatch(ctx, ids, timeout)
if err != nil {
return nil, err
}
return slice.Copy(v), nil
}
func (c CommentHandle) formatComments(ctx context.Context, ids []uint64, timeout time.Duration) (html string, err error) {
comments, err := c.ca.GetCacheBatch(ctx, ids, timeout)
if err != nil {
return "", err
}
if c.depth > 1 && c.depth < c.maxDepth {
comments = slice.Copy(comments)
slice.Sort(comments, func(i, j models.Comments) bool {
return c.html.FloorOrder(c.order, i, j)
})
}
fixChildren := false
if c.depth >= c.maxDepth {
comments, err = c.findComments(ctx, timeout, comments)
if err != nil {
return "", err
}
fixChildren = true
}
s := str.NewBuilder()
for i, comment := range comments {
eo := "even"
if (i+1)%2 == 0 {
eo = "odd"
}
parent := ""
fl := false
var children []uint64
if !fixChildren {
children, err = c.children.GetCache(ctx, comment.CommentId, timeout)
}
if err != nil {
return "", err
}
if c.threadComments && len(children) > 0 && c.depth < c.maxDepth+1 {
parent = "parent"
fl = true
}
s.WriteString(c.html.FormatLi(ctx, comment, c.depth, c.maxDepth, c.page, c.isTls, c.threadComments, eo, parent))
if fl {
c.depth++
ss, err := c.formatComments(ctx, children, timeout)
if err != nil {
return "", err
}
s.WriteString(`<ol class="children">`, ss, `</ol>`)
c.depth--
}
s.WriteString("</li><!-- #comment-## -->")
}
html = s.String()
return
}