From 4c04177c05355ddb92d3d31a4c5cfbaa86555a13 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Sat, 14 May 2022 16:14:11 -0600
Subject: Move template rendering logic into api package

---
 srv/src/post/renderer.go | 96 ------------------------------------------------
 1 file changed, 96 deletions(-)
 delete mode 100644 srv/src/post/renderer.go

(limited to 'srv/src/post/renderer.go')

diff --git a/srv/src/post/renderer.go b/srv/src/post/renderer.go
deleted file mode 100644
index 74acc25..0000000
--- a/srv/src/post/renderer.go
+++ /dev/null
@@ -1,96 +0,0 @@
-package post
-
-import (
-	_ "embed"
-	"fmt"
-	"html/template"
-	"io"
-
-	"github.com/gomarkdown/markdown"
-	"github.com/gomarkdown/markdown/html"
-	"github.com/gomarkdown/markdown/parser"
-	"github.com/mediocregopher/blog.mediocregopher.com/srv/tpl"
-)
-
-// RenderablePost is a Post wrapped with extra information necessary for
-// rendering.
-type RenderablePost struct {
-	StoredPost
-	SeriesPrevious, SeriesNext *StoredPost
-}
-
-// NewRenderablePost wraps an existing Post such that it can be rendered.
-func NewRenderablePost(store Store, post StoredPost) (RenderablePost, error) {
-
-	renderablePost := RenderablePost{
-		StoredPost: post,
-	}
-
-	if post.Series != "" {
-
-		seriesPosts, err := store.GetBySeries(post.Series)
-		if err != nil {
-			return RenderablePost{}, fmt.Errorf(
-				"fetching posts for series %q: %w",
-				post.Series, err,
-			)
-		}
-
-		var foundThis bool
-
-		for i := range seriesPosts {
-
-			seriesPost := seriesPosts[i]
-
-			if seriesPost.ID == post.ID {
-				foundThis = true
-				continue
-			}
-
-			if !foundThis {
-				renderablePost.SeriesPrevious = &seriesPost
-				continue
-			}
-
-			renderablePost.SeriesNext = &seriesPost
-			break
-		}
-	}
-
-	return renderablePost, nil
-}
-
-// Renderer takes a Post and renders it to some encoding.
-type Renderer interface {
-	Render(io.Writer, RenderablePost) error
-}
-
-func mdBodyToHTML(body []byte) []byte {
-	parserExt := parser.CommonExtensions | parser.AutoHeadingIDs
-	parser := parser.NewWithExtensions(parserExt)
-
-	htmlFlags := html.CommonFlags | html.HrefTargetBlank
-	htmlRenderer := html.NewRenderer(html.RendererOptions{Flags: htmlFlags})
-
-	return markdown.ToHTML(body, parser, htmlRenderer)
-}
-
-type mdHTMLRenderer struct{}
-
-// NewMarkdownToHTMLRenderer renders Posts from markdown to HTML.
-func NewMarkdownToHTMLRenderer() Renderer {
-	return mdHTMLRenderer{}
-}
-
-func (r mdHTMLRenderer) Render(into io.Writer, post RenderablePost) error {
-
-	data := struct {
-		RenderablePost
-		Body template.HTML
-	}{
-		RenderablePost: post,
-		Body:           template.HTML(mdBodyToHTML([]byte(post.Body))),
-	}
-
-	return tpl.HTML.ExecuteTemplate(into, "post.html", data)
-}
-- 
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