81 lines
2.5 KiB
Elixir
81 lines
2.5 KiB
Elixir
defmodule PhoenixRealWorldWeb.ArticleLive.Show do
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use PhoenixRealWorldWeb, :live_view
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alias PhoenixRealWorld.Blogs
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alias PhoenixRealWorld.Blogs.Comment #←追加
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@impl true
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def mount(_params, _session, socket) do
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{:ok, socket}
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end
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@impl true
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def handle_params(%{"id" => id}, _, socket) do
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#↓追加&変更
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article = Blogs.get_article!(id)
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%{live_action: action, current_user: user} = socket.assigns
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# 編集モードで、ログインユーザーが記事の作者でない場合は、記事一覧にリダイレクト
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if action == :edit && article.author_id != user.id do
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{:noreply, push_navigate(socket, to: ~p"/articles/#{article}")}
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# 編集モードで、ログインユーザーが記事の作者である場合は、記事を表示
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else
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changeset = Blogs.change_comment(%Comment{}) #←追加
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{:noreply,
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socket
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|> assign(:page_title, page_title(socket.assigns.live_action))
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|> assign(:article, article)
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|> assign(:comment_form, to_form(changeset))} #←追加
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end
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end
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@impl true
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def handle_event("delete", _value, socket) do
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%{article: article, current_user: user} = socket.assigns
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if article.author_id != user.id do
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{:noreply, socket}
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else
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{:ok, _} = Blogs.delete_article(article)
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{:noreply, push_navigate(socket, to: ~p"/articles")}
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end
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end
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#追加
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@impl true
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def handle_event("validate_comment", %{"comment" => comment_params}, socket) do
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changeset =
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%Comment{}
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|> Blogs.change_comment(comment_params)
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|> Map.put(:action, :validate)
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{:noreply, assign(socket, :comment_form, to_form(changeset))}
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end
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#追加
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@impl true
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def handle_event("post_comment", %{"comment" => comment_params}, socket) do
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comment_params =
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comment_params
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|> Map.put("article_id", socket.assigns.article.id)
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|> Map.put("author_id", socket.assigns.current_user.id)
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case Blogs.create_comment(comment_params) do
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#コメントの作成に成功した場合
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{:ok, _} ->
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article = Blogs.get_article!(socket.assigns.article.id)
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changeset = Blogs.change_comment(%Comment{})
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{:noreply,
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socket
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|> assign(:article, article)
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|> assign(:comment_form, to_form(changeset))
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|> put_flash(:info, "Comment posted successfully")}
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#コメントの作成に失敗した場合
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_ ->
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{:noreply, socket}
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end
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end
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defp page_title(:show), do: "Show Article"
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defp page_title(:edit), do: "Edit Article"
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end
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