Drop support for non-image url

model/post.go

@@ -2,7 +2,6 @@ package model
 
 import (
 	"fmt"
-	"regexp"
 	"strings"
 	"time"
 
@@ -21,18 +20,8 @@ type Post struct {
 func fetchPreviewImg(p *Post) string {
 	// TODO: handle error
 	doc, _ := goquery.NewDocument(p.Href)
-	imgSelector := `#main-content a[href$=".jpg"],a[href$=".png"],a[href$=".gif"],a[href*="imgur"]`
+	imgSelector := `#main-content a[href$=".jpg"],a[href$=".png"],a[href$=".gif"]`
 	imgURL, _ := doc.Find(imgSelector).Attr("href")
-
-	// https://imgur.com/8bsl72C -> https://imgur.com/8bsl72C.jpg
-	matched, err := regexp.MatchString("^https?://imgur.com/\\w+$", imgURL)
-	if err != nil {
-		panic(err)
-	}
-	if matched {
-		imgURL += ".jpg"
-	}
-
 	return imgURL
 }
 

model/post_test.go

@@ -24,20 +24,4 @@ func TestPostToBeauty(t *testing.T) {
 			t.Errorf("transform url error %s", b.Href)
 		}
 	}
-
-	{
-		p := Post{
-			Title: "[正妹] 這個笑容",
-			Href:  "https://www.ptt.cc/bbs/Beauty/M.1479381920.A.D30.html",
-			NVote: 100,
-			Date:  time.Now(),
-		}
-		b := p.ToBeauty()
-		if b.PreviewImg != "http://imgur.com/8bsl72C.jpg" {
-			t.Error("preview image error")
-		}
-		if b.Title != "這個笑容" {
-			t.Error("trim title error")
-		}
-	}
 }