memEx/lib/memex_web/live/context_live/show.ex

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defmodule MemexWeb.ContextLive.Show do
use MemexWeb, :live_view
alias Memex.{Accounts.User, Contexts, Contexts.Context}
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@impl true
def mount(_params, _session, socket) do
{:ok, socket}
end
@impl true
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def handle_params(
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%{"slug" => slug},
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_params,
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%{assigns: %{live_action: live_action, current_user: current_user}} = socket
) do
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context =
case Contexts.get_context_by_slug(slug, current_user) do
nil -> raise MemexWeb.NotFoundError, gettext("%{slug} could not be found", slug: slug)
context -> context
end
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socket =
socket
|> assign(:page_title, page_title(live_action, context))
|> assign(:context, context)
{:noreply, socket}
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end
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@impl true
def handle_event(
"delete",
_params,
%{assigns: %{context: context, current_user: current_user}} = socket
) do
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{:ok, %{slug: slug}} = Contexts.delete_context(context, current_user)
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socket =
socket
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|> put_flash(:info, gettext("%{slug} deleted", slug: slug))
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|> push_navigate(to: Routes.context_index_path(Endpoint, :index))
{:noreply, socket}
end
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defp page_title(:show, %{slug: slug}), do: slug
defp page_title(:edit, %{slug: slug}), do: gettext("edit %{slug}", slug: slug)
@spec is_owner_or_admin?(Context.t(), User.t()) :: boolean()
defp is_owner_or_admin?(%{user_id: user_id}, %{id: user_id}), do: true
defp is_owner_or_admin?(_context, %{role: :admin}), do: true
defp is_owner_or_admin?(_context, _other_user), do: false
@spec is_owner?(Context.t(), User.t()) :: boolean()
defp is_owner?(%{user_id: user_id}, %{id: user_id}), do: true
defp is_owner?(_context, _other_user), do: false
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end