✨feat(#8): 添加粗糙的反链功能

README.md

@@ -38,7 +38,7 @@ go run .\src\ "C:/Users/llej/AppData/Local/Programs/SiYuan/resources/guide/思
 | ⭕ | 块链接可 copy | |
 | ⭕ | 书签页 | |
 | ⭕ | 标签页 | |
-| ⭕ | 反链 | |
+| ✅🔨 | [#8 反链](https://github.com/siyuan-note/oceanpress/issues/8) | `50%` |
 | ✅🔨 | [#1 块引用链接](https://github.com/siyuan-note/oceanpress/issues/1) | `92%` |
 | ✅ | 支持 {.text} 这样的锚文本 | `100%` |
 | ✅ | [#3 代码高亮 以及 数学公式和脑图等渲染](https://github.com/siyuan-note/oceanpress/issues/3) [点击这里查看生成后的效果](https://siyuan-note.github.io/oceanpress/Markdown%20%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97/3%20%e5%ae%8c%e6%95%b4%e7%a4%ba%e4%be%8b.html) 、还需要修改 vditor 等资源的引用为本地文件（不是很重要之后再说） | `100%` |

go.mod

@@ -3,7 +3,7 @@ module github.com/2234839/md2website
 go 1.15
 
 require (
- github.com/88250/lute v1.7.1
+ github.com/88250/lute v1.7.1 // https://pkg.go.dev/github.com/88250/lute
  github.com/alecthomas/repr v0.0.0-20201120212035-bb82daffcca2 // indirect
  github.com/jinzhu/gorm v1.9.16 // indirect
  github.com/mattn/go-sqlite3 v1.14.6

src/store/toHTML.go

@@ -72,7 +72,7 @@ func Generate(db sqlite.DbResult, FindFileEntityFromID FindFileEntityFromID, str
  luteEngine.Md2HTMLRendererFuncs[ast.NodeBlockRefID] = getBlockID
  luteEngine.Md2HTMLRendererFuncs[ast.NodeBlockEmbedID] = getBlockID
 
- // HOC 内部处理了循环引用的问题， 生成一个渲染函数，
+ // HOC, 内部处理了循环引用的问题， 生成一个渲染函数，
  GeneterateRenderFunction := func(render func(n *ast.Node, entering bool, src string, fileEntity FileEntity, mdInfo MdStructInfo, html string) string) func(n *ast.Node, entering bool) (string, ast.WalkStatus) {
  return func(n *ast.Node, entering bool) (string, ast.WalkStatus) {
  var html string
@@ -141,13 +141,11 @@ func Generate(db sqlite.DbResult, FindFileEntityFromID FindFileEntityFromID, str
  })
  })
 
- /** 嵌入块查询渲染, 这个东西也应该包含在一个前端组件中 */
- luteEngine.Md2HTMLRendererFuncs[ast.NodeBlockQueryEmbedScript] = GeneterateRenderFunction(func(n *ast.Node, entering bool, src string, fileEntity FileEntity, mdInfo MdStructInfo, html string) string {
- sql := n.TokensStr()
+ // SqlRender 通过 sql 渲染出 html , curID 是当前块的 id
+ SqlRender := func(sql string, curID string, headerIncludes bool) string {
  ids := db.SQLToID(sql)
 
- curID := getNodeRelativeBlockID(n)
-
+ var html string
  for _, id := range ids {
  if id == curID {
  // 排除当前块，显示自身并不方便阅读
@@ -171,20 +169,45 @@ func Generate(db sqlite.DbResult, FindFileEntityFromID FindFileEntityFromID, str
  html += structToHTML(EmbeddedBlockInfo{
  Src: src,
  Title: src,
- Content: template.HTML(luteEngine.MarkdownStr("", renderNodeMarkdown(mdInfo.node, true))),
+ Content: template.HTML(luteEngine.MarkdownStr("", renderNodeMarkdown(mdInfo.node, headerIncludes))),
  })
  luteEngine.RenderOptions.LinkBase = ""
  pop(mdInfo.blockID)
  }
 
  }
  return html
+ }
+ /** 嵌入块查询渲染, 这个东西也应该包含在一个前端组件中 */
+ luteEngine.Md2HTMLRendererFuncs[ast.NodeBlockQueryEmbedScript] = GeneterateRenderFunction(func(n *ast.Node, entering bool, src string, fileEntity FileEntity, mdInfo MdStructInfo, html string) string {
+ sql := n.TokensStr()
+ curID := getNodeRelativeBlockID(n)
+ return SqlRender(sql, curID, true)
  })
 
- // FileEntityToHTML 转 html
+ // FileEntityToHTML entity 转 html
  FileEntityToHTML := func(entity FileEntity) string {
  baseEntity = entity
- return luteEngine.MarkdownStr("", entity.MdStr)
+
+ // 在每个文档的底部显示反链
+ curID := entity.MdStructInfoList[0].blockID
+
+ var refHTML string
+ content := SqlRender(`SELECT "refs".block_id as "ref_id", blocks.* FROM "refs"
+
+ LEFT JOIN blocks
+ ON "refs".block_id = blocks.id
+
+ WHERE
+ def_block_id = /** 被引用块的 id */ '`+curID+`'
+ ;
+ `, curID, false)
+ if len(content) > 0 {
+ // 这里也应该使用模板，容后再做
+ refHTML = `<h2>链接到此文档的相关文档</h2>` + content
+ }
+
+ return luteEngine.MarkdownStr("", entity.MdStr) + refHTML
  }
  return FileEntityToHTML
 }