2025-01-31 14:18:07 +08:00

109 lines
2.5 KiB
Go

package memopayload
import (
"context"
"log/slog"
"slices"
"github.com/pkg/errors"
"github.com/usememos/gomark/ast"
"github.com/usememos/gomark/parser"
"github.com/usememos/gomark/parser/tokenizer"
storepb "github.com/usememos/memos/proto/gen/store"
"github.com/usememos/memos/store"
)
type Runner struct {
Store *store.Store
}
func NewRunner(store *store.Store) *Runner {
return &Runner{
Store: store,
}
}
// RunOnce rebuilds the payload of all memos.
func (r *Runner) RunOnce(ctx context.Context) {
memos, err := r.Store.ListMemos(ctx, &store.FindMemo{})
if err != nil {
slog.Error("failed to list memos", "err", err)
return
}
for _, memo := range memos {
if err := RebuildMemoPayload(memo); err != nil {
slog.Error("failed to rebuild memo payload", "err", err)
continue
}
if err := r.Store.UpdateMemo(ctx, &store.UpdateMemo{
ID: memo.ID,
Payload: memo.Payload,
}); err != nil {
slog.Error("failed to update memo", "err", err)
}
}
}
func RebuildMemoPayload(memo *store.Memo) error {
nodes, err := parser.Parse(tokenizer.Tokenize(memo.Content))
if err != nil {
return errors.Wrap(err, "failed to parse content")
}
if memo.Payload == nil {
memo.Payload = &storepb.MemoPayload{}
}
tags := []string{}
property := &storepb.MemoPayload_Property{}
TraverseASTNodes(nodes, func(node ast.Node) {
switch n := node.(type) {
case *ast.Tag:
tag := n.Content
if !slices.Contains(tags, tag) {
tags = append(tags, tag)
}
case *ast.Link, *ast.AutoLink:
property.HasLink = true
case *ast.TaskListItem:
property.HasTaskList = true
if !n.Complete {
property.HasIncompleteTasks = true
}
case *ast.Code, *ast.CodeBlock:
property.HasCode = true
case *ast.EmbeddedContent:
// TODO: validate references.
property.References = append(property.References, n.ResourceName)
}
})
memo.Payload.Tags = tags
memo.Payload.Property = property
return nil
}
func TraverseASTNodes(nodes []ast.Node, fn func(ast.Node)) {
for _, node := range nodes {
fn(node)
switch n := node.(type) {
case *ast.Paragraph:
TraverseASTNodes(n.Children, fn)
case *ast.Heading:
TraverseASTNodes(n.Children, fn)
case *ast.Blockquote:
TraverseASTNodes(n.Children, fn)
case *ast.List:
TraverseASTNodes(n.Children, fn)
case *ast.OrderedListItem:
TraverseASTNodes(n.Children, fn)
case *ast.UnorderedListItem:
TraverseASTNodes(n.Children, fn)
case *ast.TaskListItem:
TraverseASTNodes(n.Children, fn)
case *ast.Bold:
TraverseASTNodes(n.Children, fn)
}
}
}