画像の存在しない戦歴にはog:imageを適用

app/server/achievements_server.go

@@ -3,8 +3,11 @@ package server
 import (
 	"context"
 	"database/sql"
+	"io/ioutil"
+	"net/http"
 	"time"
 
+	"github.com/dyatlov/go-opengraph/opengraph"
 	"github.com/gogo/protobuf/types"
 	"github.com/golang/protobuf/ptypes/empty"
 	"github.com/izumin5210/grapi/pkg/grapiserver"
@@ -133,6 +136,59 @@ func (s *achievementServiceServerImpl) UpdateAchievement(ctx context.Context, re
 	}
 
 	ach := req.GetAchievement()
+
+	// ここの間かな
+	if ach.ImageUrl == "" {
+		// 非同期処理
+		go func() {
+			resp, err := http.Get(ach.Url)
+			if err != nil {
+				grpclog.Errorf("ogImage: %+v", err)
+				return
+			}
+
+			defer func() { _ = resp.Body.Close() }()
+
+			og := opengraph.NewOpenGraph()
+			err = og.ProcessHTML(resp.Body)
+			if err != nil {
+				grpclog.Errorf("ogImage: %+v", err)
+				return
+			}
+
+			images := og.Images
+			if len(images) == 0 {
+				return
+			}
+
+			image := images[0]
+			imgResp, err := http.Get(image.SecureURL)
+			if err != nil {
+				grpclog.Errorf("ogImage: %+v", err)
+				return
+			}
+
+			imageByte, err := ioutil.ReadAll(imgResp.Body)
+			if err != nil {
+				grpclog.Errorf("ogImage: %+v", err)
+				return
+			}
+
+			is := s.ImageStore(context.Background())
+			name, err := is.CreateImage(imageByte)
+			if err != nil {
+				grpclog.Errorf("ogImage: %+v", err)
+				return
+			}
+
+			_, _, err = s.AchievementStore(context.Background()).UpdateAchievementImage(int64(req.Achievement.AchievementId), name)
+			if err != nil {
+				grpclog.Errorf("ogImage: %+v", err)
+				return
+			}
+		}()
+	}
+
 	rec := &record.Achievement{
 		ID:          int64(ach.AchievementId),
 		Title:       ach.GetTitle(),

go.mod

@@ -4,6 +4,7 @@ go 1.12
 
 require (
 	github.com/PuerkitoBio/goquery v1.5.0 // indirect
+	github.com/dyatlov/go-opengraph v0.0.0-20180429202543-816b6608b3c8
 	github.com/go-redis/redis v6.14.1+incompatible
 	github.com/gobuffalo/envy v1.7.0 // indirect
 	github.com/gobuffalo/packr/v2 v2.1.0

go.sum

@@ -36,6 +36,8 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
 github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
+github.com/dyatlov/go-opengraph v0.0.0-20180429202543-816b6608b3c8 h1:6muCmMJat6z7qptVrIf/+OWPxsjAfvhw5/6t+FwEkgg=
+github.com/dyatlov/go-opengraph v0.0.0-20180429202543-816b6608b3c8/go.mod h1:nYia/MIs9OyvXXYboPmNOj0gVWo97Wx0sde+ZuKkoM4=
 github.com/elazarl/goproxy v0.0.0-20181003060214-f58a169a71a5/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
 github.com/fatih/color v1.6.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=