45 lines
965 B
Elixir
45 lines
965 B
Elixir
defmodule Mobilizon.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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@doc """
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Add limit and offset to the query
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"""
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def paginate(query, page \\ 1, size \\ 10)
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def paginate(query, page, _size) when is_nil(page), do: paginate(query)
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def paginate(query, page, size) when is_nil(size), do: paginate(query, page)
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def paginate(query, page, size) do
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from(query,
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limit: ^size,
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offset: ^((page - 1) * size)
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)
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end
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@doc """
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Add sort to the query
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"""
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def sort(query, sort, direction) do
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from(
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query,
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order_by: [{^direction, ^sort}]
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)
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end
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def increment_slug(slug) do
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case List.pop_at(String.split(slug, "-"), -1) do
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{nil, _} ->
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slug
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{suffix, slug_parts} ->
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case Integer.parse(suffix) do
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{id, _} -> Enum.join(slug_parts, "-") <> "-" <> Integer.to_string(id + 1)
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:error -> slug <> "-1"
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end
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end
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end
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end
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