Listing friends

There are two types of friends in amistad :

• the friends who were invited by the user
• the friends who invited the user

To get the friend who where invited by @john, use the invited() method :

@john.invited #=> [@jane]

To get the friends who invited @john, use the invited_by() method :

@john.invited_by #=> [@peter]

To get all the friends of @john (those he invited and those who invited him) :

@john.friends #=> [@jane, @peter]

To get the pending friendships use :

@victoria.pending_invited #=> [@john]
@john.pending_invited_by #=> [@victoria]

It is also possible to check if two users are friends :

@john.friend_with? @jane #=> true
@victoria.friend_with? @john #=> false

You can also check if a user is somehow connected to another :

@john.connected_with? @jane #=> true
@victoria.connected_with? @john #=> true

You can also check if a user was invited by another :

@john.invited_by? @john #=> true
@victoria.invited_by? @john #=> false

You can also check if a user invited another :

@john.invited? @jane #=> true

You can also find the friends that two users have in common :

@john.common_friends_with(@peter) #=> [@jane]