Initial release

article/article.go

@@ -0,0 +1,66 @@
+package article
+
+import (
+	"TheAdversary/config"
+	"TheAdversary/parse"
+	"TheAdversary/schema"
+	"github.com/gomarkdown/markdown/ast"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+func LoadArticle(path string) (*schema.Article, error) {
+	node, err := parse.Parse(path)
+	if err != nil {
+		return nil, err
+	}
+	article := &schema.Article{
+		Name:  ArticleName(path),
+		Added: time.Now().Unix(),
+	}
+	children := node.GetChildren()
+	to := 3
+	if len(children) < to {
+		to = len(children)
+	}
+	for _, child := range children[0:to] {
+		switch child.(type) {
+		case *ast.Heading:
+			if article.Title != "" {
+				article.Summary = extractText(child.(*ast.Heading).Container)
+			} else {
+				article.Title = extractText(child.(*ast.Heading).Container)
+			}
+		case *ast.Paragraph:
+			if article.Summary == "" {
+				article.Summary = extractText(child.(*ast.Paragraph).Container)
+			}
+		case *ast.BlockQuote:
+			if article.Summary == "" {
+				article.Summary = extractText(child.(*ast.BlockQuote).Container)
+			}
+		case *ast.Image:
+			article.Image = string(child.(*ast.Image).Destination)
+		}
+	}
+
+	if article.Title == "" {
+		article.Title = strings.ReplaceAll(strings.ReplaceAll(ArticleName(path), "-", " "), "_", " ")
+	}
+
+	return article, err
+}
+
+func extractText(container ast.Container) string {
+	return string(container.GetChildren()[0].(*ast.Text).Literal)
+}
+
+func ArticleName(path string) string {
+	ext := filepath.Ext(path)
+	if ext != ".md" {
+		return strings.TrimPrefix(path, config.ArticleRoot)
+	} else {
+		return strings.TrimSuffix(strings.TrimPrefix(path, config.ArticleRoot), filepath.Ext(path))
+	}
+}