Refactor server code (#407)

internal/web/handlers/gist/like.go

@@ -0,0 +1,52 @@
+package gist
+
+import (
+	"github.com/thomiceli/opengist/internal/db"
+	"github.com/thomiceli/opengist/internal/web/context"
+	"github.com/thomiceli/opengist/internal/web/handlers"
+)
+
+func Like(ctx *context.Context) error {
+	gist := ctx.GetData("gist").(*db.Gist)
+	currentUser := ctx.User
+
+	hasLiked, err := currentUser.HasLiked(gist)
+	if err != nil {
+		return ctx.ErrorRes(500, "Error checking if user has liked a gist", err)
+	}
+
+	if hasLiked {
+		err = gist.RemoveUserLike(ctx.User)
+	} else {
+		err = gist.AppendUserLike(ctx.User)
+	}
+
+	if err != nil {
+		return ctx.ErrorRes(500, "Error liking/dislking this gist", err)
+	}
+
+	redirectTo := "/" + gist.User.Username + "/" + gist.Identifier()
+	if r := ctx.QueryParam("redirecturl"); r != "" {
+		redirectTo = r
+	}
+	return ctx.RedirectTo(redirectTo)
+}
+
+func Likes(ctx *context.Context) error {
+	gist := ctx.GetData("gist").(*db.Gist)
+
+	pageInt := handlers.GetPage(ctx)
+
+	likers, err := gist.GetUsersLikes(pageInt - 1)
+	if err != nil {
+		return ctx.ErrorRes(500, "Error getting users who liked this gist", err)
+	}
+
+	if err = handlers.Paginate(ctx, likers, pageInt, 30, "likers", gist.User.Username+"/"+gist.Identifier()+"/likes", 1); err != nil {
+		return ctx.ErrorRes(404, ctx.Tr("error.page-not-found"), nil)
+	}
+
+	ctx.SetData("htmlTitle", ctx.TrH("gist.likes.for", gist.Title))
+	ctx.SetData("revision", "HEAD")
+	return ctx.Html("likes.html")
+}