28 lines
774 B
Elixir
28 lines
774 B
Elixir
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defmodule FrenzyWeb.Fervor.Paginator do
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import Ecto.Query
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def paginate(query, %{"max_id" => max_id} = params) do
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limit = Map.get(params, "limit", 20)
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from(o in query, where: o.id < ^max_id, order_by: [desc: :id])
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end
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def paginate(query, %{"min_id" => min_id} = params) do
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limit = Map.get(params, "limit", 20)
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from(o in query, where: o.id > ^min_id, order_by: [asc: :id])
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end
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def paginate(query, %{"since_id" => since_id} = params) do
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limit = Map.get(params, "limit", 20)
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from(o in query, where: o.id > ^since_id, order_by: [desc: :id])
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end
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def paginate(query, _params) do
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from(query, order_by: [desc: :id])
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end
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def limit(query, params) do
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limit = Map.get(params, "limit", 20)
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from(query, limit: ^limit)
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end
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end
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