Allow user to retrieve/edit leaderboard size setting (#71)

app/v1/self.go

@@ -59,6 +59,7 @@ type userSettingsData struct {
 	} `json:"custom_badge"`
 	PlayStyle             *int  `json:"play_style"`
 	VanillaPPLeaderboards *bool `json:"vanilla_pp_leaderboards"`
+	LeaderboardSize       *int  `json:"leaderboard_size"`
 }
 
 // UsersSelfSettingsPOST allows to modify information about the current user.
@@ -88,7 +89,8 @@ func UsersSelfSettingsPOST(md common.MethodData) common.CodeMessager {
 		Add("custom_badge_icon", d.CustomBadge.Icon).
 		Add("show_custom_badge", d.CustomBadge.Show).
 		Add("play_style", d.PlayStyle).
-		Add("vanilla_pp_leaderboards", d.VanillaPPLeaderboards)
+		Add("vanilla_pp_leaderboards", d.VanillaPPLeaderboards).
+		Add("leaderboard_size", d.LeaderboardSize)
 	_, err := md.DB.Exec("UPDATE users SET "+q.Fields()+" WHERE id = ?", append(q.Parameters, md.ID())...)
 	if err != nil {
 		md.Err(err)
@@ -116,14 +118,16 @@ SELECT
 	email, username_aka, favourite_mode,
 	show_custom_badge, custom_badge_icon,
 	custom_badge_name, can_custom_badge,
-	play_style, vanilla_pp_leaderboards
+	play_style, vanilla_pp_leaderboards,
+	leaderboard_size
 FROM users
 WHERE id = ?`, md.ID()).Scan(
 		&r.ID, &r.Username,
 		&r.Email, &r.UsernameAKA, &r.FavouriteMode,
 		&r.CustomBadge.Show, &r.CustomBadge.Icon,
 		&r.CustomBadge.Name, &ccb,
 		&r.PlayStyle, &r.VanillaPPLeaderboards,
+		&r.LeaderboardSize,
 	)
 	if err != nil {
 		md.Err(err)