frenzy/lib/frenzy_web/controllers/feed_controller.ex

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defmodule FrenzyWeb.FeedController do
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use FrenzyWeb, :controller
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alias Frenzy.{Repo, Group, Feed, Filter, Item}
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alias FrenzyWeb.Router.Helpers, as: Routes
alias FrenzyWeb.Endpoint
import Ecto.Query
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plug :user_owns_feed
defp user_owns_feed(%Plug.Conn{path_params: %{"id" => id}} = conn, _opts) do
user = conn.assigns[:user]
feed = Repo.get(Feed, id)
if Enum.any?(user.groups, fn g -> g.id == feed.group_id end) do
conn
|> assign(:feed, feed)
else
conn
|> put_flash(:error, "You do not have permission to access that resource.")
|> redirect(to: Routes.group_path(Endpoint, :index))
|> halt()
end
end
defp user_owns_feed(conn, _opts), do: conn
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def show(conn, %{"id" => id}) do
feed = conn.assigns[:feed] |> Repo.preload(:filter)
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items = Repo.all(from Item, where: [feed_id: ^id, tombstone: false], order_by: [desc: :date])
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render(conn, "show.html", %{
feed: feed,
items: items
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})
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end
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def create(conn, %{"feed" => %{"group_id" => group_id, "feed_url" => feed_url}}) do
group = Repo.get(Group, group_id)
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changeset =
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Ecto.build_assoc(group, :feeds, %{
feed_url: feed_url,
filter: %Filter{
mode: "reject",
score: 0
}
})
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{:ok, feed} = Repo.insert(changeset)
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redirect(conn, to: Routes.group_path(Endpoint, :show, group_id))
end
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def delete(conn, _params) do
feed = conn.assigns[:feed]
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{:ok, _} = Repo.delete(feed)
redirect(conn, to: Routes.group_path(Endpoint, :show, feed.group_id))
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end
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def enable_filter(conn, _params) do
feed = conn.assigns[:feed] |> Repo.preload(:filter)
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changeset = Feed.changeset(feed, %{filter_enabled: true})
Repo.update(changeset)
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redirect(conn, to: Routes.feed_path(Endpoint, :show, feed.id))
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end
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def disable_filter(conn, _params) do
feed = conn.assigns[:feed] |> Repo.preload(:filter)
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changeset = Feed.changeset(feed, %{filter_enabled: false})
Repo.update(changeset)
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redirect(conn, to: Routes.feed_path(Endpoint, :show, feed.id))
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end
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def refresh(conn, _params) do
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feed = conn.assigns[:feed] |> Repo.preload(:filter)
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feed = Frenzy.UpdateFeeds.refresh(Frenzy.UpdateFeeds, feed)
redirect(conn, to: Routes.feed_path(Endpoint, :show, feed.id))
end
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end