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ash_phoenix
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2.1.19
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0.1.0
Utilities for integrating Ash and Phoenix
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Files
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Files
lib/ash_phoenix/form/no_form_configured.ex
defmodule AshPhoenix.Form.NoFormConfigured do
@moduledoc "Raised when attempting to refer to a form but no nested form with that name was configured."
defexception [:field, :available, :path, :action, :resource]
def exception(opts) do
%__MODULE__{
field: opts[:field],
available: opts[:available],
path: List.wrap(opts[:paths]),
action: Ash.Resource.Info.action(opts[:resource], opts[:action]),
resource: opts[:resource]
}
end
def message(%{field: field, available: available, path: path} = error) do
path_message =
if path do
"at path #{inspect(path)}"
else
""
end
"""
#{field} #{path_message} must be configured in the form to be used with `inputs_for`. For example:
#{hint(error)}
Available forms:
#{available |> Enum.map_join("\n", &"* #{&1}")}
Example Setup:
Form.for_create(
Resource,
:action,
params,
forms: [
# For forms over existing data
#{field}: [
type: :list,
as: "form_name",
data: <current_value>,
resource: RelatedResource,
update_action: :update
]
# For forms over new data
#{field}: [
type: :list,
as: "form_name",
create_action: :create
]
# For forms over both
#{field}: [
type: :list,
as: "form_name",
data: <current_value>,
resource: RelatedResource,
update_action: :update,
create_action: :create
]
]
)
"""
end
defp hint(error) do
cond do
argument = Enum.find(error.action.arguments, &(&1.name == error.field)) ->
"""
There is an argument called `#{argument.name}` on the action `#{inspect(error.resource)}.#{error.action.name}`.
Perhaps you are missing a `change manage_relationship` for that argument, or it is not a type that can have forms generated for it?
"""
attribute = Ash.Resource.Info.attribute(error.resource, error.field) ->
if attribute.name in error.action.accept do
"""
There is an attribute called `#{attribute.name}` on the resource `#{inspect(error.resource)}`, and it is
accepted by `#{inspect(error.resource)}.#{error.action.name}`.
Perhaps it is not a type that can have forms generated for it?
"""
else
"""
There is an attribute called `#{attribute.name}` on the resource `#{inspect(error.resource)}`, but it is
not accepted by `#{inspect(error.resource)}.#{error.action.name}`.
Perhaps you meant to add that attribute to the `accept` list, or you meant to make it `public? true`?
"""
end
relationship = Ash.Resource.Info.attribute(error.resource, error.field) ->
"""
There is a relationship called `#{relationship.name}` on the resource `#{inspect(error.resource)}`.
Perhaps you are missing an argument with `change manage_relationship` in the
action #{inspect(error.resource)}.#{error.action.name}?
"""
true ->
"""
There is a no attribute or relationship called `#{error.field}` on the resource `#{inspect(error.resource)}`, and
no argument called `#{error.field}` on `#{inspect(error.resource)}.#{error.action.name}`.
Perhaps you have a typo?
"""
end
end
end