Add button to go to the student's repository

ui/src/routes/works/[wid]/+page.svelte

@@ -130,13 +130,21 @@
                                     <a
                                         href="/api/users/{grade.id_user}/works/{w.id}/grades/{grade.id}/traces"
                                         target="_blank"
-                                        class="btn btn-sm btn-outline-info mx-1"
+                                        class="btn btn-sm btn-outline-info mr-1"
                                         title="Voir le détail de la notation"
                                     >
                                         <i class="bi bi-list-check"></i>
                                     </a>
+                                    <a
+                                        href="/api/users/{grade.id_user}/works/{w.id}/grades/{grade.id}/forge"
+                                        target="_blank"
+                                        class="btn btn-sm btn-outline-primary mr-1"
+                                        title="Voir le contenu du dépôt lié"
+                                    >
+                                        <i class="bi bi-git"></i>
+                                    </a>
                                     <button
-                                        class="btn btn-sm btn-danger mx-1"
+                                        class="btn btn-sm btn-success mr-1"
                                         title="Supprimer la note"
                                         on:click={() => { grade.delete().then(() => refresh_grades(w)); }}
                                     >

works.go

@@ -275,6 +275,25 @@ func declareAPIAdminWorksRoutes(router *gin.RouterGroup) {
 
 		c.Redirect(http.StatusFound, fmt.Sprintf("%s/%s", droneEndpoint, repo.TestsRef))
 	})
+	gradesRoutes.GET("/forge", func(c *gin.Context) {
+		g := c.MustGet("grade").(*WorkGrade)
+
+		var u *User
+		if user, ok := c.Get("user"); ok {
+			u = user.(*User)
+		} else {
+			u = c.MustGet("LoggedUser").(*User)
+		}
+
+		repo, err := u.getRepositoryByWork(g.IdWork)
+		if err != nil {
+			log.Printf("Unable to getRepositoryByWork(uid=%d, wid=%d): %s", u.Id, g.IdWork, err.Error())
+			c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Unable to find a corresponding repository."})
+			return
+		}
+
+		c.Redirect(http.StatusFound, strings.Replace(strings.Replace(repo.URI, ":", "/", 1), "git@", "https://", 1))
+	})
 }
 
 func declareAPIAuthWorksRoutes(router *gin.RouterGroup) {