68 lines
1.6 KiB
Elixir
68 lines
1.6 KiB
Elixir
defmodule PhoenixRealWorldWeb.ArticleLive.Index do
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use PhoenixRealWorldWeb, :live_view
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alias PhoenixRealWorld.Blogs
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alias PhoenixRealWorld.Blogs.Article
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# ↓削除
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# @impl true
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# def mount(_params, _session, socket) do
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# {:ok, stream(socket, :articles, Blogs.list_articles())}
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# end
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# ↓追加
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@impl true
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def mount(%{"tag" => tag}, _session, socket) do
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{:ok,
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socket
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|> stream(:articles, Blogs.list_articles_by_tag(tag))
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|> assign(:tags, Blogs.list_tags())
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}
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end
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# ↓追加
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@impl true
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def mount(_params, _session, socket) do
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{:ok,
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socket
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|> stream(:articles, Blogs.list_articles())
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|> assign(:tags, Blogs.list_tags())
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}
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end
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@impl true
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def handle_params(params, _url, socket) do
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{:noreply, apply_action(socket, socket.assigns.live_action, params)}
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end
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defp apply_action(socket, :edit, %{"id" => id}) do
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socket
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|> assign(:page_title, "Edit Article")
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|> assign(:article, Blogs.get_article!(id))
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end
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defp apply_action(socket, :new, _params) do
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socket
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|> assign(:page_title, "New Article")
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|> assign(:article, %Article{})
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end
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defp apply_action(socket, :index, _params) do
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socket
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|> assign(:page_title, "Listing Articles")
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|> assign(:article, nil)
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end
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@impl true
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def handle_info({PhoenixRealWorldWeb.ArticleLive.FormComponent, {:saved, article}}, socket) do
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{:noreply, stream_insert(socket, :articles, article)}
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end
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@impl true
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def handle_event("delete", %{"id" => id}, socket) do
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article = Blogs.get_article!(id)
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{:ok, _} = Blogs.delete_article(article)
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{:noreply, stream_delete(socket, :articles, article)}
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end
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end
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