85 lines
2.3 KiB
Elixir
85 lines
2.3 KiB
Elixir
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defmodule ExmrWeb.ExamLive.FormComponent do
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use ExmrWeb, :live_component
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alias Exmr.Exams
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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 exam records in your database.</:subtitle>
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</.header>
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<.simple_form
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for={@form}
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id="exam-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={@form[:subject]} type="text" label="Subject" />
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<.input field={@form[:description]} type="text" label="Description" />
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<.input field={@form[:date]} type="date" label="Date" />
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<:actions>
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<.button phx-disable-with="Saving...">Save Exam</.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(%{exam: exam} = assigns, socket) do
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{:ok,
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socket
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|> assign(assigns)
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|> assign_new(:form, fn ->
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to_form(Exams.change_exam(exam))
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end)}
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end
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@impl true
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def handle_event("validate", %{"exam" => exam_params}, socket) do
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changeset = Exams.change_exam(socket.assigns.exam, exam_params)
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{:noreply, assign(socket, form: to_form(changeset, action: :validate))}
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end
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def handle_event("save", %{"exam" => exam_params}, socket) do
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save_exam(socket, socket.assigns.action, exam_params)
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end
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defp save_exam(socket, :edit, exam_params) do
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case Exams.update_exam(socket.assigns.exam, exam_params) do
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{:ok, exam} ->
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notify_parent({:saved, exam})
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{:noreply,
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socket
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|> put_flash(:info, "Exam updated successfully")
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|> push_patch(to: socket.assigns.patch)}
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{:error, %Ecto.Changeset{} = changeset} ->
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{:noreply, assign(socket, form: to_form(changeset))}
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end
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end
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defp save_exam(socket, :new, exam_params) do
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case Exams.create_exam(exam_params) do
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{:ok, exam} ->
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notify_parent({:saved, exam})
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{:noreply,
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socket
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|> put_flash(:info, "Exam created successfully")
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|> push_patch(to: socket.assigns.patch)}
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{:error, %Ecto.Changeset{} = changeset} ->
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{:noreply, assign(socket, form: to_form(changeset))}
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end
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end
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defp notify_parent(msg), do: send(self(), {__MODULE__, msg})
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end
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