From 098beac960737145d772faacabcbe6f22778a3de Mon Sep 17 00:00:00 2001
From: Hau Nguyen <hauvipapro@gmail.com>
Date: Tue, 30 Nov 2021 22:17:09 +0700
Subject: [PATCH] init render with markdown

---
 .gitignore       | 14 ++++++++++
 custom/head.html | 18 +++++++++++++
 go.mod           |  5 ++++
 go.sum           |  2 ++
 main.go          | 67 ++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 106 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 custom/head.html
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 main.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bcd69cc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,14 @@
+# macOS
+.DS_Store
+
+# Window
+*.exe
+
+# IntelliJ
+.idea/
+
+# VSCode
+.vscode/
+
+# HTML
+generated/
diff --git a/custom/head.html b/custom/head.html
new file mode 100644
index 0000000..959258a
--- /dev/null
+++ b/custom/head.html
@@ -0,0 +1,18 @@
+<link rel="preconnect" href="https://fonts.googleapis.com" />
+<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
+<link
+  href="https://fonts.googleapis.com/css2?family=Recursive:slnt,wght,CASL,CRSV,MONO@-15..0,300..800,0..1,0..1,0..1&display=swap"
+  rel="stylesheet"
+/>
+
+<style>
+  body {
+    font-family: "Recursive", sans-serif;
+    font-variation-settings: "MONO" 0, "CASL" 1;
+  }
+
+  code {
+    font-family: "Recursive", monospace;
+    font-variation-settings: "MONO" 1, "CASL" 1;
+  }
+</style>
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..090056d
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/haunt98/posts-go
+
+go 1.17
+
+require github.com/gomarkdown/markdown v0.0.0-20211128002848-ab7d7bf476b3 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..a8d8c40
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/gomarkdown/markdown v0.0.0-20211128002848-ab7d7bf476b3 h1:TyhCPRkxLfBBOuOy8oambova4pG4Iivc0lTdTrkhN98=
+github.com/gomarkdown/markdown v0.0.0-20211128002848-ab7d7bf476b3/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..58ae3be
--- /dev/null
+++ b/main.go
@@ -0,0 +1,67 @@
+package main
+
+import (
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/gomarkdown/markdown"
+	"github.com/gomarkdown/markdown/html"
+)
+
+const (
+	postsPath     = "posts"
+	headHTMLPath  = "custom/head.html"
+	generatedPath = "generated"
+	htmlExt       = ".html"
+)
+
+func main() {
+	headHTML, err := os.ReadFile(headHTMLPath)
+	if err != nil {
+		log.Fatalln("Failed to read file", headHTML)
+	}
+
+	files, err := os.ReadDir(postsPath)
+	if err != nil {
+		log.Fatalln("Failed to read dir", postsPath)
+	}
+
+	if err := os.RemoveAll(generatedPath); err != nil {
+		log.Fatalln("Failed to remove all", generatedPath, err)
+	}
+
+	if err := os.MkdirAll(generatedPath, 0777); err != nil {
+		log.Fatalln("Failed to mkdir all", generatedPath)
+	}
+
+	for _, file := range files {
+		if file.IsDir() {
+			continue
+		}
+
+		filePath := filepath.Join(postsPath, file.Name())
+		md, err := os.ReadFile(filePath)
+		if err != nil {
+			log.Fatalln("Failed to read file", filePath)
+		}
+
+		htmlFlags := html.CommonFlags | html.CompletePage | html.TOC
+		htmlRendererOtps := html.RendererOptions{
+			Title: file.Name(),
+			Head:  headHTML,
+			Flags: htmlFlags,
+		}
+
+		htmlRenderer := html.NewRenderer(htmlRendererOtps)
+		generatedHTML := markdown.ToHTML(md, nil, htmlRenderer)
+
+		generatedFileName := strings.TrimSuffix(file.Name(), filepath.Ext(file.Name())) + htmlExt
+		generatedFilePath := filepath.Join(generatedPath, generatedFileName)
+
+		if err := os.WriteFile(generatedFilePath, generatedHTML, 0666); err != nil {
+			log.Fatalln("Failed to write file", generatedFilePath, err)
+		}
+	}
+}