From 7c2e76a01caa0eda14c91e5ccf2de9f44f198526 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mickae=CC=88l=20Menu?= <mickael.menu@gmail.com>
Date: Mon, 28 Dec 2020 13:15:56 +0100
Subject: [PATCH] Add the dependency container

---
 cmd/container.go | 40 ++++++++++++++++++++++++++++++++++++++++
 main.go          | 19 ++++---------------
 2 files changed, 44 insertions(+), 15 deletions(-)
 create mode 100644 cmd/container.go

diff --git a/cmd/container.go b/cmd/container.go
new file mode 100644
index 0000000..069500a
--- /dev/null
+++ b/cmd/container.go
@@ -0,0 +1,40 @@
+package cmd
+
+import (
+	"log"
+	"os"
+
+	"github.com/mickael-menu/zk/adapter/handlebars"
+	"github.com/mickael-menu/zk/core/zk"
+	"github.com/mickael-menu/zk/util"
+	"github.com/mickael-menu/zk/util/date"
+)
+
+type Container struct {
+	Zk       *zk.Zk
+	Date     date.Provider
+	Logger   util.Logger
+	renderer *handlebars.HandlebarsRenderer
+}
+
+func NewContainer() *Container {
+	zk, _ := zk.Open(".")
+	date := date.NewFrozenNow()
+
+	return &Container{
+		Zk:     zk,
+		Logger: log.New(os.Stderr, "zk: warning: ", 0),
+		// zk is short-lived, so we freeze the current date to use the same
+		// date for any rendering during the execution.
+		Date: &date,
+	}
+}
+
+func (c *Container) Renderer() *handlebars.HandlebarsRenderer {
+	if c.renderer == nil {
+		// FIXME take the language from the config
+		handlebars.Init("en", c.Logger, c.Date)
+		c.renderer = handlebars.NewRenderer()
+	}
+	return c.renderer
+}
diff --git a/main.go b/main.go
index 54cde9f..b15bd7b 100644
--- a/main.go
+++ b/main.go
@@ -1,13 +1,8 @@
 package main
 
 import (
-	"log"
-	"os"
-
 	"github.com/alecthomas/kong"
-	"github.com/mickael-menu/zk/adapter/handlebars"
 	"github.com/mickael-menu/zk/cmd"
-	"github.com/mickael-menu/zk/util/date"
 )
 
 var cli struct {
@@ -16,16 +11,10 @@ var cli struct {
 }
 
 func main() {
-	logger := log.New(os.Stderr, "zk: warning: ", 0)
-	// zk is short-lived, so we freeze the current date to use the same date
-	// for any rendering during the execution.
-	date := date.NewFrozenNow()
-	// FIXME take the language from the config
-	handlebars.Init("en", logger, &date)
+	// Create the dependency graph.
+	container := cmd.NewContainer()
 
-	ctx := kong.Parse(&cli,
-		kong.Name("zk"),
-	)
-	err := ctx.Run()
+	ctx := kong.Parse(&cli, kong.Name("zk"))
+	err := ctx.Run(container)
 	ctx.FatalIfErrorf(err)
 }