Adds ink new command (Resolves #67)

main.go

@@ -13,11 +13,33 @@ import (
 	"github.com/codegangsta/cli"
 	"github.com/facebookgo/symwalk"
 	"gopkg.in/yaml.v2"
+	"html/template"
+	"time"
 )
 
 const (
-	VERSION      = "RELEASE 2017-09-24"
-	DEFAULT_ROOT = "blog"
+	VERSION            = "RELEASE 2017-09-24"
+	DEFAULT_ROOT       = "blog"
+	DATE_FORMAT_STRING = "2006-01-02 15:04:05"
+	INDENT             = "  " // 2 spaces
+	POST_TEMPLATE      = `title: {{.Title}}
+date: {{.DateString}}
+author: {{.Author}}
+{{- if .Cover}}
+cover: {{.Cover}}
+{{- end}}
+draft: {{.Draft}}
+top: {{.Top}}
+{{- if .Preview}}
+preview: {{.Preview}}
+{{- end}}
+{{- if .Tags}}
+{{.Tags}}
+{{- end}}
+type: {{.Type}}
+hide: {{.Hide}}
+---
+`
 )
 
 var globalConfig *GlobalConfig
@@ -79,6 +101,62 @@ func main() {
 				return nil
 			},
 		},
+		{
+			Name:  "new",
+			Usage: "Creates a new article",
+			Flags: []cli.Flag{
+				cli.BoolFlag{
+					Name:  "hide",
+					Usage: "Hides the article",
+				},
+				cli.BoolFlag{
+					Name:  "top",
+					Usage: "Places the article at the top",
+				},
+				cli.BoolFlag{
+					Name:  "post",
+					Usage: "The article is a post",
+				},
+				cli.BoolFlag{
+					Name:  "page",
+					Usage: "The article is a page",
+				},
+				cli.BoolFlag{
+					Name:  "draft",
+					Usage: "The article is a draft",
+				},
+
+				cli.StringFlag{
+					Name:  "title",
+					Usage: "Article title",
+				},
+				cli.StringFlag{
+					Name:  "author",
+					Usage: "Article author",
+				},
+				cli.StringFlag{
+					Name:  "cover",
+					Usage: "Article cover path",
+				},
+				cli.StringFlag{
+					Name:  "date",
+					Usage: "The date and time on which the article was created (2006-01-02 15:04:05)",
+				},
+				cli.StringFlag{
+					Name:  "file",
+					Usage: "The path of where the article will be stored",
+				},
+
+				cli.StringSliceFlag{
+					Name:  "tag",
+					Usage: "Adds a tag to the article",
+				},
+			},
+			Action: func(c *cli.Context) error {
+				New(c)
+				return nil
+			},
+		},
 	}
 	app.Run(os.Args)
 	os.Exit(exitCode)
@@ -107,6 +185,132 @@ func ParseGlobalConfigWrap(root string, develop bool) {
 	}
 }
 
+func New(c *cli.Context) {
+	// If source folder does not exist, create
+	if _, err := os.Stat("source/"); os.IsNotExist(err) {
+		os.Mkdir("source", os.ModePerm)
+	}
+
+	var author, blogTitle, fileName string
+	var tags []string
+
+	// Default values
+	draft := "false"
+	top := "false"
+	postType := "post"
+	hide := "false"
+	date := time.Now()
+
+	// Empty string values
+	preview := ""
+	cover := ""
+
+	// Parse args
+	args := c.Args()
+	if len(args) > 0 {
+		blogTitle = args[0]
+	}
+	if blogTitle == "" {
+		if c.String("title") != "" {
+			blogTitle = c.String("title")
+		} else {
+			Fatal("Please specify the name of the blog post")
+		}
+	}
+
+	fileName = blogTitle + ".md"
+	if c.String("file") != "" {
+		fileName = c.String("file")
+	}
+
+	if len(args) > 1 {
+		author = args[1]
+	}
+	if author == "" {
+		author = c.String("author")
+	}
+
+	if c.Bool("post") && c.Bool("page") {
+		Fatal("The post and page arguments are mutually exclusive and cannot appear together")
+	}
+	if c.Bool("post") {
+		postType = "post"
+	}
+	if c.Bool("page") {
+		postType = "page"
+	}
+	if c.Bool("hide") {
+		hide = "true"
+	}
+	if c.Bool("draft") {
+		draft = "true"
+	}
+	if c.Bool("top") {
+		top = "true"
+	}
+
+	if c.String("preview") != "" {
+		preview = c.String("preview")
+	}
+	if c.String("cover") != "" {
+		cover = c.String("cover")
+	}
+
+	var filePath = "source/" + fileName
+	file, err := os.Create(filePath)
+	if err != nil {
+		Fatal(err)
+	}
+	postTemplate, err := template.New("post").Parse(POST_TEMPLATE)
+	if err != nil {
+		Fatal(err)
+	}
+
+	if c.StringSlice("tag") != nil {
+		tags = c.StringSlice("tag")
+	}
+
+	var tagString string
+	if len(tags) > 0 {
+		tagString = "tags:"
+		for _, tag := range tags {
+			tagString += "\n" + INDENT + "- " + tag
+		}
+	}
+
+	var dateString string
+	if c.String("date") != "" {
+		dateString = c.String("date")
+		_, err = time.Parse(DATE_FORMAT_STRING, dateString)
+		if err != nil {
+			Fatal("Illegal date string")
+		}
+	} else {
+		dateString = date.Format(DATE_FORMAT_STRING)
+	}
+	data := map[string]string{
+		"Title":      blogTitle,
+		"DateString": dateString,
+		"Author":     author,
+		"Draft":      draft,
+		"Top":        top,
+		"Type":       postType,
+		"Hide":       hide,
+		"Preview":    preview,
+		"Cover":      cover,
+		"Tags":       tagString,
+	}
+	fileWriter := bufio.NewWriter(file)
+	err = postTemplate.Execute(fileWriter, data)
+	if err != nil {
+		Fatal(err)
+	}
+	err = fileWriter.Flush()
+	if err != nil {
+		Fatal(err)
+	}
+}
+
 func Publish() {
 	command := globalConfig.Build.Publish
 	// Prepare exec command