Add error messages for repeated follows and unfollows

This commit is contained in:
dtluna 2017-04-12 17:34:36 +03:00
parent b5e94bf930
commit 65ef18a715
4 changed files with 55 additions and 27 deletions

View file

@ -31,6 +31,10 @@ def follow_changeset(struct, params \\ %{}) do
def follow(%User{} = follower, %User{} = followed) do
ap_followers = User.ap_followers(followed)
if following?(follower, followed) do
{ :error,
"Could not follow user: #{followed.nickname} is already on your list." }
else
following = [ap_followers | follower.following]
|> Enum.uniq
@ -38,15 +42,20 @@ def follow(%User{} = follower, %User{} = followed) do
|> follow_changeset(%{following: following})
|> Repo.update
end
end
def unfollow(%User{} = follower, %User{} = followed) do
ap_followers = User.ap_followers(followed)
if following?(follower, followed) do
following = follower.following
|> List.delete(ap_followers)
follower
|> follow_changeset(%{following: following})
|> Repo.update
else
{ :error, "Not subscribed!" }
end
end
def following?(%User{} = follower, %User{} = followed) do

View file

@ -112,6 +112,8 @@ def follow(%User{} = follower, followed_id) do
})
do
{ :ok, follower, followed, activity }
else
err -> err
end
end
@ -120,6 +122,8 @@ def unfollow(%User{} = follower, followed_id) do
{ :ok, follower } <- User.unfollow(follower, followed)
do
{ :ok, follower, followed }
else
err -> err
end
end

View file

@ -44,21 +44,24 @@ def friends_timeline(%{assigns: %{user: user}} = conn, params) do
end
def follow(%{assigns: %{user: user}} = conn, %{ "user_id" => followed_id }) do
{ :ok, _user, follower, _activity } = TwitterAPI.follow(user, followed_id)
case TwitterAPI.follow(user, followed_id) do
{ :ok, _user, followed, _activity } ->
response = followed |> UserRepresenter.to_json(%{for: user})
conn |> json_reply(200, response)
{ :error, msg } -> forbidden_json_reply(conn, msg)
end
response = follower |> UserRepresenter.to_json(%{for: user})
conn
|> json_reply(200, response)
end
def unfollow(%{assigns: %{user: user}} = conn, %{ "user_id" => followed_id }) do
{ :ok, user, follower } = TwitterAPI.unfollow(user, followed_id)
response = follower |> UserRepresenter.to_json(%{for: user})
case TwitterAPI.unfollow(user, followed_id) do
{ :ok, user, followed } ->
response = followed |> UserRepresenter.to_json(%{for: user})
conn
|> json_reply(200, response)
{ :error, msg } -> forbidden_json_reply(conn, msg)
end
end
def fetch_status(%{assigns: %{user: user}} = conn, %{ "id" => id }) do
@ -88,4 +91,11 @@ defp json_reply(conn, status, json) do
|> put_resp_content_type("application/json")
|> send_resp(status, json)
end
defp forbidden_json_reply(conn, error_message) do
json = %{"error" => error_message, "request" => conn.request_path}
|> Poison.encode!
json_reply(conn, 403, json)
end
end

View file

@ -105,26 +105,31 @@ test "fetch a single status" do
test "Follow another user" do
{ :ok, user } = UserBuilder.insert
{ :ok, following } = UserBuilder.insert(%{nickname: "guy"})
{ :ok, followed } = UserBuilder.insert(%{nickname: "guy"})
{:ok, user, following, activity } = TwitterAPI.follow(user, following.id)
{ :ok, user, followed, activity } = TwitterAPI.follow(user, followed.id)
user = Repo.get(User, user.id)
follow = Repo.get(Activity, activity.id)
assert user.following == [User.ap_followers(following)]
assert user.following == [User.ap_followers(followed)]
assert follow == activity
{ :error, msg } = TwitterAPI.follow(user, followed.id)
assert msg == "Could not follow user: #{followed.nickname} is already on your list."
end
test "Unfollow another user" do
{ :ok, following } = UserBuilder.insert(%{nickname: "guy"})
{ :ok, user } = UserBuilder.insert(%{following: [User.ap_followers(following)]})
{ :ok, followed } = UserBuilder.insert(%{nickname: "guy"})
{ :ok, user } = UserBuilder.insert(%{following: [User.ap_followers(followed)]})
{:ok, user, _following } = TwitterAPI.unfollow(user, following.id)
{ :ok, user, _followed } = TwitterAPI.unfollow(user, followed.id)
user = Repo.get(User, user.id)
assert user.following == []
{ :error, msg } = TwitterAPI.unfollow(user, followed.id)
assert msg == "Not subscribed!"
end
test "fetch statuses in a context using the conversation id" do