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phoenix priv templates model model.ex
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priv/templates/model/model.ex

defmodule <%= module %> do
use <%= base %>.Web, :model
schema <%= inspect plural %> do
<%= for {k, _} <- attrs do %> field <%= inspect k %>, <%= inspect types[k] %><%= defaults[k] %>
<% end %><%= for {k, _, m} <- assocs do %> belongs_to <%= inspect k %>, <%= m %>
<% end %>
timestamps
end
@required_fields ~w(<%= Enum.map_join(attrs, " ", &elem(&1, 0)) %>)
@optional_fields ~w()
@doc """
Creates a changeset based on the `model` and `params`.
If `params` are nil, an invalid changeset is returned
with no validation performed.
"""
def changeset(model, params \\ :empty) do
model
|> cast(params, @required_fields, @optional_fields)
end
end