Commit 44aef218 authored by lain's avatar lain

Add follower / friend fetching to user.

parent 140f7272
......@@ -186,4 +186,21 @@ def get_or_fetch_by_nickname(nickname) do
end
end
end
# TODO: these queries could be more efficient if the type in postgresql wasn't map, but array.
def get_followers(%User{id: id, follower_address: follower_address}) do
q = from u in User,
where: fragment("? @> ?", u.following, ^follower_address ),
where: u.id != ^id
{:ok, Repo.all(q)}
end
def get_friends(%User{id: id, following: following}) do
q = from u in User,
where: u.follower_address in ^following,
where: u.id != ^id
{:ok, Repo.all(q)}
end
end
......@@ -197,5 +197,35 @@ test "it restricts some sizes" do
end)
end
end
describe "followers and friends" do
test "gets all followers for a given user" do
user = insert(:user)
follower_one = insert(:user)
follower_two = insert(:user)
not_follower = insert(:user)
{:ok, follower_one} = User.follow(follower_one, user)
{:ok, follower_two} = User.follow(follower_two, user)
{:ok, res} = User.get_followers(user)
assert res == [follower_one, follower_two]
end
test "gets all friends (followed users) for a given user" do
user = insert(:user)
followed_one = insert(:user)
followed_two = insert(:user)
not_followed = insert(:user)
{:ok, user} = User.follow(user, followed_one)
{:ok, user} = User.follow(user, followed_two)
{:ok, res} = User.get_friends(user)
assert res == [followed_one, followed_two]
end
end
end
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment