148 lines
3.7 KiB
Elixir
148 lines
3.7 KiB
Elixir
defmodule FrenzyWeb.GroupController do
|
|
use FrenzyWeb, :controller
|
|
alias Frenzy.{Repo, Group, Feed, Item, Paginator}
|
|
alias FrenzyWeb.Router.Helpers, as: Routes
|
|
alias FrenzyWeb.Endpoint
|
|
import Ecto.Query
|
|
|
|
plug :user_owns_group
|
|
|
|
defp user_owns_group(%Plug.Conn{path_params: %{"id" => id}} = conn, _opts) do
|
|
user = conn.assigns[:user]
|
|
|
|
group = Repo.get(Group, id)
|
|
|
|
if Enum.any?(user.groups, fn g -> g.id == group.id end) do
|
|
conn
|
|
|> assign(:group, group)
|
|
else
|
|
conn
|
|
|> put_flash(:error, "You do not have permission to acess that resource.")
|
|
|> redirect(to: Routes.group_path(Endpoint, :index))
|
|
|> halt()
|
|
end
|
|
end
|
|
|
|
defp user_owns_group(conn, _opts), do: conn
|
|
|
|
def index(conn, _params) do
|
|
groups = conn.assigns[:user].groups
|
|
render(conn, "index.html", groups: groups)
|
|
end
|
|
|
|
def show(conn, _params) do
|
|
group = conn.assigns[:group] |> Repo.preload(:feeds)
|
|
|
|
create_feed_changeset =
|
|
Feed.changeset(
|
|
%Feed{
|
|
group_id: group.id
|
|
},
|
|
%{}
|
|
)
|
|
|
|
render(conn, "show.html", %{
|
|
group: group,
|
|
create_feed_changeset: create_feed_changeset
|
|
})
|
|
end
|
|
|
|
def new(conn, _params) do
|
|
changeset = Group.changeset(%Group{}, %{})
|
|
|
|
render(conn, "new.html", changeset: changeset)
|
|
end
|
|
|
|
def create(conn, %{"group" => %{"title" => title}}) do
|
|
user = conn.assigns[:user]
|
|
title = title |> String.trim()
|
|
|
|
if String.length(title) > 0 do
|
|
changeset =
|
|
Ecto.build_assoc(user, :groups, %{
|
|
title: title
|
|
})
|
|
|
|
{:ok, group} = Repo.insert(changeset)
|
|
|
|
redirect(conn, to: Routes.group_path(Endpoint, :show, group.id))
|
|
else
|
|
conn
|
|
|> put_flash(:error, "Group title must not be empty")
|
|
|> redirect(to: Routes.group_path(Endpoint, :new))
|
|
end
|
|
end
|
|
|
|
def edit(conn, _params) do
|
|
group = conn.assigns[:group]
|
|
edit_changeset = Group.changeset(group, %{})
|
|
|
|
render(conn, "edit.html", %{
|
|
group: group,
|
|
changeset: edit_changeset
|
|
})
|
|
end
|
|
|
|
def update(conn, %{"group" => group_params}) do
|
|
group = conn.assigns[:group]
|
|
changeset = Group.changeset(group, group_params)
|
|
{:ok, group} = Repo.update(changeset)
|
|
redirect(conn, to: Routes.group_path(Endpoint, :show, group.id))
|
|
end
|
|
|
|
def delete(conn, _params) do
|
|
group = conn.assigns[:group]
|
|
|
|
{:ok, _} = Repo.delete(group)
|
|
redirect(conn, to: Routes.group_path(Endpoint, :index))
|
|
end
|
|
|
|
def read(conn, params) do
|
|
group = conn.assigns[:group] |> Repo.preload(:feeds)
|
|
feed_ids = Enum.map(group.feeds, fn feed -> feed.id end)
|
|
|
|
items =
|
|
Item
|
|
|> where([i], not i.tombstone and i.feed_id in ^feed_ids)
|
|
|> Paginator.paginate(params)
|
|
|> limit(50)
|
|
|> preload(:feed)
|
|
|> Repo.all()
|
|
|> Enum.sort_by(fn item -> item.date end, fn a, b ->
|
|
DateTime.compare(a, b) == :gt
|
|
end)
|
|
|
|
first_item = List.first(items)
|
|
last_item = List.last(items)
|
|
|
|
prev_page_path =
|
|
if !is_nil(first_item) &&
|
|
Repo.exists?(
|
|
from i in Item,
|
|
where: not i.tombstone and i.date > ^first_item.date and i.feed_id in ^feed_ids
|
|
) do
|
|
current_path(conn, %{after: first_item.id})
|
|
else
|
|
nil
|
|
end
|
|
|
|
next_page_path =
|
|
if !is_nil(last_item) &&
|
|
Repo.exists?(
|
|
from i in Item,
|
|
where: not i.tombstone and i.date < ^last_item.date and i.feed_id in ^feed_ids
|
|
) do
|
|
current_path(conn, %{before: last_item.id})
|
|
else
|
|
nil
|
|
end
|
|
|
|
render(conn, "read.html", %{
|
|
group: group,
|
|
items: items,
|
|
prev_page_path: prev_page_path,
|
|
next_page_path: next_page_path
|
|
})
|
|
end
|
|
end
|