# Gizmo

## Trouver les plats préférés de chaque personne

```js
g.V().Has("<has_favorite_dish>").Tag("source").Out("<has_favorite_dish>").Tag("target").All()
```

## Afficher l'ensemble des relations du réseau social

```js
g.V().Has("<friend_of>").Tag("source").Out("<friend_of>").Tag("target").All()
```

## Trouver les amis des amis de Jean

```js
g.V("<jean>").Tag("source").Out("<friend_of>").ForEach(function(directFriend) {

  g.Emit({ id: directFriend.id, source: "<jean>", target: directFriend.id });

  g.V(directFriend.id).Out("<friend_of>").ForEach(function(friendOfFriend) {
    g.Emit({id: friendOfFriend.id, source: directFriend.id, target: friendOfFriend.id });
  });

});
```

## Trouver les amis des amis de Jean qui aiment un plat commun

```js
var jean = g.V("<jean>");
var jeanFavoriteDishes = jean.Out("<has_favorite_dish>");

jean.Out("<friend_of>").ForEach(function(directFriend) {
  g.V(directFriend.id).Out("<friend_of>").ForEach(function(friendOfFriend) {
    jeanFavoriteDishes.Intersect(g.V(friendOfFriend.id).Out("<has_favorite_dish>")).ForEach(function(favoriteDish) {
      g.Emit({ id: directFriend.id, source: "<jean>", target: directFriend.id });
      g.Emit({ id: friendOfFriend.id, source: directFriend.id, target: friendOfFriend.id });
      g.Emit({ id: favoriteDish.id, source: friendOfFriend.id, target: favoriteDish.id });
    });
  });
});
```