prime8dev

prime8dev
git clone https://git.prime8.dev/prime8dev.git
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blog_markdown_render.go (1799B)

      1 package tui
      2 
      3 import (
      4 	"strconv"
      5 	"strings"
      6 
      7 	tea "github.com/charmbracelet/bubbletea"
      8 )
      9 
     10 type blogMarkdownRenderedMsg struct {
     11 	blogID   string
     12 	width    int
     13 	rendered string
     14 }
     15 
     16 func (m portfolioModel) cachedBlogMarkdown(blogID string, width int) (string, bool) {
     17 	byWidth, ok := m.blogMarkdownRender[blogID]
     18 	if !ok {
     19 		return "", false
     20 	}
     21 
     22 	rendered, ok := byWidth[width]
     23 	return rendered, ok
     24 }
     25 
     26 func (m *portfolioModel) setCachedBlogMarkdown(blogID string, width int, rendered string) {
     27 	byWidth := m.blogMarkdownRender[blogID]
     28 	if byWidth == nil {
     29 		byWidth = make(map[int]string)
     30 		m.blogMarkdownRender[blogID] = byWidth
     31 	}
     32 
     33 	byWidth[width] = rendered
     34 }
     35 
     36 func blogMarkdownLoadKey(blogID string, width int) string {
     37 	return blogID + ":" + strconv.Itoa(width)
     38 }
     39 
     40 func (m *portfolioModel) maybeRenderSelectedBlogCmd() tea.Cmd {
     41 	if m.activeTab != tabBlog || len(m.blogs) == 0 {
     42 		return nil
     43 	}
     44 
     45 	blog := m.blogs[m.blogIndex]
     46 	markdown := normalizeBlogMarkdown(blog.Markdown, blog.Description)
     47 	if strings.TrimSpace(markdown) == "" {
     48 		return nil
     49 	}
     50 
     51 	width := m.blogMarkdownWidth()
     52 	if _, ok := m.cachedBlogMarkdown(blog.ID, width); ok {
     53 		return nil
     54 	}
     55 
     56 	loadKey := blogMarkdownLoadKey(blog.ID, width)
     57 	if m.blogMarkdownLoads[loadKey] {
     58 		return nil
     59 	}
     60 
     61 	m.blogMarkdownLoads[loadKey] = true
     62 	return renderBlogMarkdownCmd(blog.ID, markdown, width)
     63 }
     64 
     65 func (m *portfolioModel) maybeRenderOpenBlogCmd() tea.Cmd {
     66 	if !m.blogOpen {
     67 		return nil
     68 	}
     69 
     70 	return m.maybeRenderSelectedBlogCmd()
     71 }
     72 
     73 func renderBlogMarkdownCmd(blogID string, markdown string, width int) tea.Cmd {
     74 	return func() tea.Msg {
     75 		rendered := renderMarkdown(markdown, width)
     76 		if rendered == "" {
     77 			rendered = markdown
     78 		}
     79 
     80 		return blogMarkdownRenderedMsg{
     81 			blogID:   blogID,
     82 			width:    width,
     83 			rendered: rendered,
     84 		}
     85 	}
     86 }