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ash_json_api
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The JSON:API extension for the Ash Framework.
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Files
lib/ash_json_api/controllers/router.ex
defmodule AshJsonApi.Controllers.Router do
@moduledoc false
@dialyzer {:nowarn_function, {:open_api_request?, 2}}
def init(options) do
# initialize options
options
|> Keyword.update(:domains, [], &List.wrap/1)
|> Keyword.update(:open_api, [], fn
true ->
[["open_api"]]
other ->
other
|> List.wrap()
|> Enum.map(&String.split(&1, "/", trim: true))
end)
|> Keyword.update(:json_schema, [], fn
true ->
[["json_schema"]]
other ->
other
|> List.wrap()
|> Enum.map(&String.split(&1, "/", trim: true))
end)
|> Map.new()
|> Map.put(:original, options)
end
def call(conn, %{domains: domains, open_api: open_api, json_schema: json_schema, original: opts}) do
prefix =
conn.request_path
|> Path.split()
|> Enum.reverse()
|> Enum.drop(Enum.count(conn.path_info))
|> Enum.reverse()
|> case do
[] -> "/"
paths -> Path.join(paths)
end
cond do
conn.method in ["GET", :get] &&
Enum.any?(domains, &AshJsonApi.Domain.Info.serve_schema?/1) &&
conn.path_info in [["schema"], ["schema.json"]] ->
AshJsonApi.Controllers.Schema.call(conn, domains: domains, prefix: prefix)
open_api_request?(conn, open_api) ->
apply(AshJsonApi.Controllers.OpenApi, :call, [conn, opts])
conn.method == "GET" && Enum.any?(json_schema, &(&1 == conn.path_info)) ->
AshJsonApi.Controllers.Schema.call(conn, Keyword.put(opts, :prefix, prefix))
true ->
Enum.find_value(domains, :error, fn domain ->
case domain.json_api_match_route(conn.method, conn.path_info) do
{:ok, resource, route, params} ->
{:ok, domain, resource, route, params}
:error ->
domain
|> Ash.Domain.Info.resources()
|> Enum.filter(&(AshJsonApi.Resource in Spark.extensions(&1)))
|> Enum.find_value(nil, fn resource ->
case resource.json_api_match_route(conn.method, conn.path_info) do
{:ok, route, params} ->
{:ok, domain, resource, route, params}
:error ->
nil
end
end)
end
end)
|> case do
:error ->
AshJsonApi.Controllers.NoRouteFound.call(conn, [])
{:ok, domain, resource, route, params} ->
conn
|> Map.update!(:path_params, fn path_params ->
path_params
|> Kernel.||(%{})
|> Map.merge(params)
end)
|> route.controller.call(
domain: domain,
resource: resource,
all_domains: domains,
prefix: prefix,
action_type: route.action_type,
route: route,
relationship: route.relationship,
action: Ash.Resource.Info.action(resource, route.action)
)
end
end
end
defp open_api_request?(conn, open_api) do
AshJsonApi.OpenApiSpexChecker.has_open_api?() && conn.method == "GET" &&
Enum.any?(open_api, &(&1 == conn.path_info))
end
end