mix phx.gen.live Articles Article articles title:string\ /Crucial/git/phoenix-liveview-book content:text url:string language:string\ date:utc_datetime author_id:references:authors
86 lines
2.4 KiB
Elixir
86 lines
2.4 KiB
Elixir
defmodule OutlookWeb.ArticleLive.FormComponent do
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use OutlookWeb, :live_component
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alias Outlook.Articles
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@impl true
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def render(assigns) do
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~H"""
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<div>
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<.header>
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<%= @title %>
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<:subtitle>Use this form to manage article records in your database.</:subtitle>
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</.header>
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<.simple_form
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:let={f}
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for={@changeset}
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id="article-form"
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phx-target={@myself}
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phx-change="validate"
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phx-submit="save"
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>
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<.input field={{f, :title}} type="text" label="title" />
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<.input field={{f, :content}} type="text" label="content" />
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<.input field={{f, :url}} type="text" label="url" />
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<.input field={{f, :language}} type="text" label="language" />
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<.input field={{f, :date}} type="datetime-local" label="date" />
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<:actions>
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<.button phx-disable-with="Saving...">Save Article</.button>
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</:actions>
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</.simple_form>
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</div>
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"""
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end
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@impl true
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def update(%{article: article} = assigns, socket) do
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changeset = Articles.change_article(article)
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{:ok,
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socket
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|> assign(assigns)
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|> assign(:changeset, changeset)}
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end
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@impl true
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def handle_event("validate", %{"article" => article_params}, socket) do
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changeset =
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socket.assigns.article
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|> Articles.change_article(article_params)
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|> Map.put(:action, :validate)
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{:noreply, assign(socket, :changeset, changeset)}
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end
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def handle_event("save", %{"article" => article_params}, socket) do
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save_article(socket, socket.assigns.action, article_params)
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end
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defp save_article(socket, :edit, article_params) do
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case Articles.update_article(socket.assigns.article, article_params) do
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{:ok, _article} ->
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{:noreply,
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socket
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|> put_flash(:info, "Article updated successfully")
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|> push_navigate(to: socket.assigns.navigate)}
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{:error, %Ecto.Changeset{} = changeset} ->
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{:noreply, assign(socket, :changeset, changeset)}
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end
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end
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defp save_article(socket, :new, article_params) do
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case Articles.create_article(article_params) do
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{:ok, _article} ->
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{:noreply,
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socket
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|> put_flash(:info, "Article created successfully")
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|> push_navigate(to: socket.assigns.navigate)}
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{:error, %Ecto.Changeset{} = changeset} ->
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{:noreply, assign(socket, changeset: changeset)}
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end
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end
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end
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