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scope "/", OauthTutorialWeb do | |
pipe_through :browser | |
get "/", PageController, :index | |
resources "/todos", TodoController | |
end |
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schema "todos" do | |
field :content, :string | |
belongs_to :user, OauthTutorial.Accounts.User | |
timestamps() | |
end |
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schema "users" do | |
field :email, :string | |
field :provider, :string | |
field :token, :string | |
has_many :todos, OauthTutorial.Todos.Todo | |
timestamps() | |
end |
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<ul> | |
<li><a href="https://hexdocs.pm/phoenix/overview.html">Get Started</a></li> | |
<%= if function_exported?(Routes, :live_dashboard_path, 2) do %> | |
<li><%= link "LiveDashboard", to: Routes.live_dashboard_path(@conn, :home) %></li> | |
<% end %> | |
<%= if @conn.assigns[:user] do %> | |
<li><%= link "Logout", to: Routes.auth_path(@conn, :signout) %></li> | |
<% else %> | |
<li> | |
<%= link "Sign in with Github", to: Routes.auth_path(@conn, :request, "github") %> |
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pipeline :browser do | |
plug :accepts, ["html"] | |
plug :fetch_session | |
plug :fetch_live_flash | |
plug :put_root_layout, {OauthTutorialWeb.LayoutView, :root} | |
plug :protect_from_forgery | |
plug :put_secure_browser_headers | |
plug OauthTutorial.Plugs.SetUser | |
end |
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defmodule OauthTutorial.Plugs.SetUser do | |
import Plug.Conn | |
import Phoenix.Controller | |
alias OauthTutorial.Repo | |
alias OauthTutorial.Accounts.User | |
def init(opts), do: opts | |
def call(conn, _opts) do |
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get "/signout", AuthController, :signout |
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def signout(conn, _params) do | |
conn | |
|> configure_session(drop: true) | |
|> redirect(to: Routes.page_path(conn, :index)) | |
end |
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def callback(%{assigns: %{ueberauth_auth: auth}} = conn, params) do | |
user_data = %{token: auth.credentials.token, email: auth.info.email, provider: "github"} | |
case findOrCreateUser(user_data) do | |
{:ok, user} -> | |
conn | |
|> put_flash(:info, "Welcome to OAuth Tutorial!") | |
|> put_session(:user_id, user.id) | |
|> redirect(to: "/") | |
{:error, changeset} -> |
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defp findOrCreateUser(user_data) do | |
changeset = User.changeset(%User{}, user_data) | |
case Repo.get_by(User, email: changeset.changes.email) do | |
nil -> | |
IO.puts("User not found, creating new one") | |
Repo.insert(changeset) | |
user -> {:ok, user} | |
end | |
end |