2019-09-08 01:49:56 +02:00
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defmodule Mobilizon.Storage.Ecto do
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@moduledoc """
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Mobilizon Ecto utils
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"""
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import Ecto.Query, warn: false
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2020-02-18 08:57:00 +01:00
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import Ecto.Changeset, only: [fetch_change: 2, put_change: 3]
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alias Mobilizon.Web.Endpoint
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alias Mobilizon.Web.Router.Helpers, as: Routes
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2019-09-08 01:49:56 +02:00
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@doc """
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Adds sort to the query.
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"""
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@spec sort(Ecto.Query.t(), atom, atom) :: Ecto.Query.t()
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def sort(query, sort, direction) do
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from(query, order_by: [{^direction, ^sort}])
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end
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2020-02-18 08:57:00 +01:00
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@doc """
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Ensure changeset contains an URL
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If there's a blank URL that's because we're doing the first insert.
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Most of the time just go with the given URL.
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"""
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@spec ensure_url(Ecto.Changeset.t(), atom()) :: Ecto.Changeset.t()
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def ensure_url(%Ecto.Changeset{data: %{url: nil}} = changeset, route) do
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case fetch_change(changeset, :url) do
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{:ok, _url} ->
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changeset
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:error ->
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generate_url(changeset, route)
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end
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end
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def ensure_url(%Ecto.Changeset{} = changeset, _route), do: changeset
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@spec generate_url(Ecto.Changeset.t(), atom()) :: Ecto.Changeset.t()
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defp generate_url(%Ecto.Changeset{} = changeset, route) do
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uuid = Ecto.UUID.generate()
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changeset
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|> put_change(:id, uuid)
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|> put_change(
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:url,
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2020-08-12 16:05:34 +02:00
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apply(Routes, String.to_existing_atom("page_url"), [Endpoint, route, uuid])
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2020-02-18 08:57:00 +01:00
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)
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end
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2019-09-08 01:49:56 +02:00
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end
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