Finished

pages/post.go

@@ -0,0 +1,80 @@
+package pages
+
+import (
+	"bytes"
+	"html/template"
+	"net/http"
+	"os"
+
+	chromahtml "github.com/alecthomas/chroma/v2/formatters/html"
+	"github.com/labstack/echo/v4"
+	"github.com/yuin/goldmark"
+	highlighting "github.com/yuin/goldmark-highlighting/v2"
+	"gopkg.in/yaml.v2"
+	"goth.stack/lib"
+)
+
+type PostProps struct {
+	Content template.HTML
+	Name    string
+	Date    string
+	Tags    []string
+}
+
+func Post(c echo.Context) error {
+	postName := c.ParamValues()[0]
+
+	filePath := "content/" + postName + ".md"
+
+	md, err := os.ReadFile(filePath)
+	if err != nil {
+		return echo.NewHTTPError(http.StatusNotFound, "This post does not exist!")
+	}
+
+	frontmatterBytes, content, err := lib.SplitFrontmatter(md)
+	if err != nil {
+		return echo.NewHTTPError(http.StatusInternalServerError, "There was an issue rendering this post!")
+	}
+
+	var frontmatter lib.FrontMatter
+	if err := yaml.Unmarshal(frontmatterBytes, &frontmatter); err != nil {
+		return echo.NewHTTPError(http.StatusInternalServerError, "There was an issue rendering this post!")
+	}
+
+	var buf bytes.Buffer
+	markdown := goldmark.New(
+		goldmark.WithExtensions(
+			highlighting.NewHighlighting(
+				highlighting.WithStyle("dracula"),
+				highlighting.WithFormatOptions(
+					chromahtml.WithLineNumbers(true),
+				),
+			),
+		),
+	)
+
+	if err := markdown.Convert(content, &buf); err != nil {
+		return echo.NewHTTPError(http.StatusInternalServerError, "There was an issue rendering this post!")
+	}
+
+	props := PostProps{
+		Content: template.HTML(buf.String()),
+		Name:    frontmatter.Name,
+		Date:    frontmatter.Date,
+		Tags:    frontmatter.Tags,
+	}
+
+	templates := []string{
+		"./pages/templates/layouts/post.html",
+		"./pages/templates/partials/header.html",
+		"./pages/templates/partials/navitems.html",
+		"./pages/templates/post.html",
+	}
+
+	ts, err := template.ParseFiles(templates...)
+	if err != nil {
+		return echo.NewHTTPError(http.StatusInternalServerError, "There was an issue rendering this post!")
+	}
+
+	return ts.ExecuteTemplate(c.Response().Writer, "post", props)
+}