add metatags

README.md

@@ -6,6 +6,30 @@ Static blog generator, templating engine from markdown and html templates
 ## Use
 A complete usage example can be found in this repo: https://github.com/arnaucube/blogoExample
 
+### Config example
+```json
+{
+    "title": "Blogo Blog",
+    "relativePath": "",
+    "absoluteUrl": "https://blog.website.com",
+    "indexTemplate": "index.html",
+    "postThumbTemplate": "postThumbTemplate.html",
+    "posts": [
+	{
+	    "thumb": "article0_thumb.md",
+	    "md": "article0.md",
+	    "metaimg": "img/article0-img.png",
+	    "metadescr": "description of the article 0"
+	},
+    ],
+    "copyRaw": [
+	"css",
+	"img",
+	"js"
+    ]
+}
+```
+
 
 ---
 

main.go

@@ -51,14 +51,16 @@ func main() {
 		firstline := strings.Split(mdcontent, "\n")[0]
 		title := strings.Replace(firstline, "# ", "", -1)
 
+		filename := strings.Split(post.Md, ".")[0]
+
 		m := make(map[string]string)
 		m["[blogo-title]"] = title + " - " + config.Title
 		m["[blogo-content]"] = htmlcontent
+		m["[blogo-summary]"] = post.MetaDescr
+		m["[blogo-link]"] = config.AbsoluteUrl + "/" + filename + ".html"
+		m["[blogo-img]"] = config.AbsoluteUrl + "/" + post.MetaImg
 
 		r := putHTMLToTemplate(indexTemplate, m)
-		//fmt.Println(r)
-
-		filename := strings.Split(post.Md, ".")[0]
 		writeFile(outputDir+"/"+filename+".html", r)
 	}
 

readConfig.go

@@ -7,14 +7,17 @@ import (
 
 //Post is the struct for each post of the blog
 type Post struct {
-	Thumb string `json:"thumb"`
-	Md    string `json:"md"`
+	Thumb     string `json:"thumb"`
+	Md        string `json:"md"`
+	MetaImg   string `json:"metaimg"`
+	MetaDescr string `json:"metadescr"`
 }
 
 //Config gets the config.json file into struct
 type Config struct {
 	Title             string   `json:"title"`
 	RelativePath      string   `json:"relativePath"`
+	AbsoluteUrl       string   `json:"absoluteUrl"`
 	IndexTemplate     string   `json:"indexTemplate"`
 	PostThumbTemplate string   `json:"postThumbTemplate"`
 	Posts             []Post   `json:"posts"`