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ash

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0.5.1 0.5.0 0.4.0 0.3.0 0.2.0 0.1.9 0.1.8 0.1.3 0.1.1 0.1.0

A declarative, extensible framework for building Elixir applications.

Security advisory: This version has known vulnerabilities. View advisories

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ash lib ash.ex
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lib/ash.ex

defmodule Ash do
@moduledoc """
The primary interface for interrogating apis and resources.
This is not the code level interface for a resource. Instead, call functions
on an `Api` module that contains those resources.
"""
alias Ash.Resource.Relationships.{BelongsTo, HasOne, HasMany, ManyToMany}
alias Ash.Resource.Actions.{Create, Read, Update, Destroy}
@type record :: struct
@type cardinality_one_relationship() :: HasOne.t() | BelongsTo.t()
@type cardinality_many_relationship() :: HasMany.t() | ManyToMany.t()
@type relationship :: cardinality_one_relationship() | cardinality_many_relationship()
@type query :: struct
@type resource :: module
@type data_layer :: module
@type api :: module
@type error :: struct
@type filter :: map()
@type sort :: Keyword.t()
@type side_loads :: Keyword.t()
@type attribute :: Ash.Attributes.Attribute.t()
@type action :: Create.t() | Read.t() | Update.t() | Destroy.t()
@type side_load_config :: Keyword.t()
@spec resources(api) :: list(resource())
def resources(api) do
api.resources()
end
@spec primary_key(resource()) :: list(attribute)
def primary_key(resource) do
resource.primary_key()
end
@spec relationship(resource(), atom() | String.t()) :: relationship() | nil
def relationship(resource, relationship_name) when is_bitstring(relationship_name) do
Enum.find(resource.relationships(), &(to_string(&1.name) == relationship_name))
end
def relationship(resource, relationship_name) do
Enum.find(resource.relationships(), &(&1.name == relationship_name))
end
@spec relationships(resource()) :: list(relationship())
def relationships(resource) do
resource.relationships()
end
@spec side_load_config(api()) :: side_load_config()
def side_load_config(api) do
api.side_load_config()
end
@spec primary_action(resource(), atom()) :: action() | nil
def primary_action(resource, type) do
resource
|> actions()
|> Enum.filter(&(&1.type == type))
|> case do
[action] -> action
actions -> Enum.find(actions, & &1.primary?)
end
end
@spec action(resource(), atom(), atom()) :: action() | nil
def action(resource, name, type) do
Enum.find(resource.actions(), &(&1.name == name && &1.type == type))
end
@spec actions(resource()) :: list(action())
def actions(resource) do
resource.actions()
end
@spec attribute(resource(), String.t() | atom) :: attribute() | nil
def attribute(resource, name) when is_bitstring(name) do
Enum.find(resource.attributes, &(to_string(&1.name) == name))
end
def attribute(resource, name) do
Enum.find(resource.attributes, &(&1.name == name))
end
@spec attributes(resource()) :: list(attribute())
def attributes(resource) do
resource.attributes()
end
@spec name(resource()) :: String.t()
def name(resource) do
resource.name()
end
@spec type(resource()) :: String.t()
def type(resource) do
resource.type()
end
@spec max_page_size(api(), resource()) :: non_neg_integer() | nil
def max_page_size(api, resource) do
min(api.max_page_size(), resource.max_page_size())
end
@spec default_page_size(api(), resource()) :: non_neg_integer() | nil
def default_page_size(api, resource) do
min(api.default_page_size(), resource.default_page_size())
end
@spec data_layer(resource()) :: data_layer()
def data_layer(resource) do
resource.data_layer()
end
end