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

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defmodule MemexWeb.ContextLive.Index do
use MemexWeb, :live_view
alias Memex.{Accounts.User, Contexts, Contexts.Context}
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@impl true
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def mount(%{"search" => search}, _session, socket) do
{:ok, socket |> assign(search: search) |> display_contexts()}
end
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def mount(_params, _session, socket) do
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{:ok, socket |> assign(search: nil) |> display_contexts()}
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end
@impl true
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def handle_params(params, _url, %{assigns: %{live_action: live_action}} = socket) do
{:noreply, apply_action(socket, live_action, params)}
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end
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defp apply_action(%{assigns: %{current_user: current_user}} = socket, :edit, %{"slug" => slug}) do
%{slug: slug} = context = Contexts.get_context_by_slug(slug, current_user)
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socket
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|> assign(page_title: gettext("edit %{slug}", slug: slug))
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|> assign(context: context)
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end
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defp apply_action(%{assigns: %{current_user: %{id: current_user_id}}} = socket, :new, _params) do
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socket
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|> assign(page_title: gettext("new context"))
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|> assign(context: %Context{visibility: :private, user_id: current_user_id})
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end
defp apply_action(socket, :index, _params) do
socket
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|> assign(page_title: gettext("contexts"))
|> assign(search: nil)
|> assign(context: nil)
|> display_contexts()
end
defp apply_action(socket, :search, %{"search" => search}) do
socket
|> assign(page_title: gettext("contexts"))
|> assign(search: search)
|> assign(context: nil)
|> display_contexts()
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end
@impl true
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def handle_event("delete", %{"id" => id}, %{assigns: %{current_user: current_user}} = socket) do
context = Contexts.get_context!(id, current_user)
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{:ok, %{slug: slug}} = Contexts.delete_context(context, current_user)
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socket =
socket
|> assign(contexts: Contexts.list_contexts(current_user))
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|> put_flash(:info, gettext("%{slug} deleted", slug: slug))
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{:noreply, socket}
end
def handle_event("search", %{"search" => %{"search_term" => ""}}, socket) do
{:noreply, socket |> push_patch(to: Routes.context_index_path(Endpoint, :index))}
end
def handle_event("search", %{"search" => %{"search_term" => search_term}}, socket) do
{:noreply,
socket |> push_patch(to: Routes.context_index_path(Endpoint, :search, search_term))}
end
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defp display_contexts(%{assigns: %{current_user: current_user, search: search}} = socket)
when not (current_user |> is_nil()) do
socket |> assign(contexts: Contexts.list_contexts(search, current_user))
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end
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defp display_contexts(%{assigns: %{search: search}} = socket) do
socket |> assign(contexts: Contexts.list_public_contexts(search))
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end
@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