From 2dd4cf35aab8324608a83d337459fd8354521b92 Mon Sep 17 00:00:00 2001
From: "Gabriel A. Giovanini" <mail@gabrielgio.me>
Date: Mon, 27 May 2024 22:36:50 +0200
Subject: feat: Wraps handler into its own package

Although this creates more complex folder structure will allow in the
feature for a easier testing of those given handlers.
---
 pkg/handler/config/handler.go | 65 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 pkg/handler/config/handler.go

(limited to 'pkg/handler/config/handler.go')

diff --git a/pkg/handler/config/handler.go b/pkg/handler/config/handler.go
new file mode 100644
index 0000000..c278e35
--- /dev/null
+++ b/pkg/handler/config/handler.go
@@ -0,0 +1,65 @@
+package config
+
+import (
+	"bytes"
+	"encoding/json"
+	"log/slog"
+	"net/http"
+
+	"github.com/alecthomas/chroma/v2/formatters/html"
+	"github.com/alecthomas/chroma/v2/lexers"
+	"github.com/alecthomas/chroma/v2/styles"
+
+	"git.gabrielgio.me/cerrado/pkg/config"
+	"git.gabrielgio.me/cerrado/templates"
+)
+
+type (
+	configurationRepository interface {
+		GetRootReadme() string
+		List() []*config.GitRepositoryConfiguration
+	}
+)
+
+func ConfigFile(configRepo configurationRepository) func(http.ResponseWriter, *http.Request) {
+	return func(w http.ResponseWriter, _ *http.Request) {
+
+		config := struct {
+			RootReadme   string
+			Repositories []*config.GitRepositoryConfiguration
+		}{
+			RootReadme:   configRepo.GetRootReadme(),
+			Repositories: configRepo.List(),
+		}
+
+		b, err := json.MarshalIndent(config, "", "  ")
+		if err != nil {
+			slog.Error("Error parsing json", "error", err)
+			return
+		}
+
+		lexer := lexers.Get("json")
+		style := styles.Get("monokailight")
+		formatter := html.New(
+			html.WithLineNumbers(true),
+		)
+		iterator, err := lexer.Tokenise(nil, string(b))
+		if err != nil {
+			slog.Error("Error tokenise", "error", err)
+			return
+		}
+
+		var code bytes.Buffer
+		err = formatter.Format(&code, style, iterator)
+		if err != nil {
+			slog.Error("Error format", "error", err)
+			return
+		}
+
+		hello := &templates.HelloPage{
+			Body: code.Bytes(),
+		}
+
+		templates.WritePageTemplate(w, hello)
+	}
+}
-- 
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