feat: release 1.1.7

add ash resource generation

Author: mithereal

README.md

@@ -5,7 +5,7 @@
 [![Last Updated](https://img.shields.io/github/last-commit/mithereal/ex_dbmigrate.svg)](https://github.com/mithereal/ex_dbmigrate/commits/master)
 [![Build Status](https://circleci.com/gh/mithereal/ex_dbmigrate.svg?style=svg)](https://github.com/mithereal/ex_dbmigrate)
 
-**Generate phoenix schemas, html, json and live from existing database**
+**Generate ash resources, phoenix schemas, html, json and live from existing database**
 
 ## Installation
 
@@ -51,6 +51,7 @@ mix ExDbmigrate.Gen.Schema
 mix ExDbmigrate.Gen.Html
 mix ExDbmigrate.Gen.Json
 mix ExDbmigrate.Gen.Live
+mix ExDbmigrate.Gen.Resource
 ```
 
 ## Usage Inside iex: (/priv/json.txt will be created)

lib/ex_dbmigrate.ex

@@ -188,6 +188,36 @@ WHERE tc.constraint_type = 'FOREIGN KEY' AND tc.table_name='#{table}';
     end
   end
 
+  @doc """
+  Generate ash resource from schema.
+
+  ## Examples
+
+      iex> ExDbmigrate.resource()
+      ["mix ash.gen.resource Helpdesk.Support.Ticket \
+  --default-actions read \
+  --uuid-primary-key id \
+  --attribute subject:string:required:public \
+  --relationship belongs_to:representative:Helpdesk.Support.Representative \
+  --timestamps \
+  --extend postgres"]
+
+  """
+  def resource(schema \\ "public", mode \\ :read, filename \\ "db_migrate") do
+    results = fetch_results(schema)
+
+    map =
+      Enum.map(results.rows, fn [r] ->
+        application_table_data(r)
+        |> generate_resources_command(r)
+      end)
+
+    case mode do
+      :read -> map
+      :write -> map |> write_file(filename)
+    end
+  end
+
   @doc """
   Generate schema from config.
 
@@ -229,6 +259,10 @@ WHERE tc.constraint_type = 'FOREIGN KEY' AND tc.table_name='#{table}';
     Ecto.Adapters.SQL.query!(@repo, query, [])
   end
 
+  def application_table_data(name) do
+    ExDbmigrate.Table.Server.show(name)
+  end
+
   def fetch_table_data(r, schema \\ "public") do
     query =
       "SELECT column_name, is_nullable, data_type, ordinal_position, character_maximum_length FROM information_schema.columns
@@ -252,6 +286,24 @@ WHERE table_schema = '#{schema}'
     "mix phx.gen.json #{module} #{module_name} #{table} #{migration_string}"
   end
 
+  def generate_resources_command(data, table_name, extends \\ "postgres") do
+    name = migration_module(table_name) |> singularize()
+
+    attributes =
+      build_attributes(data) |> Enum.map(fn x -> "--attribute #{x}" end) |> Enum.join(" ")
+
+    relationships =
+      build_relationships(data) |> Enum.map(fn x -> "--relationship #{x}" end) |> Enum.join(" ")
+
+    "mix ash.gen.resource #{name} \
+        --default-actions read \
+        --uuid-primary-key id \
+        #{attributes} \
+        #{relationships} \
+        --timestamps \
+        --extend #{extends}"
+  end
+
   def generate_lives_command(data, [migration_name]) do
     migration_string = migration_string(data)
 
@@ -275,14 +327,34 @@ WHERE table_schema = '#{schema}'
 
   def migration_string(data) do
     data.rows
+    |> build_attributes()
+    |> Enum.join(" ")
+    |> String.trim()
+  end
+
+  def build_relationships(data) do
+    data.links
+    |> Enum.map(fn %{
+                     column_name: column_name,
+                     references: %{
+                       ref_table: foreign_table_name,
+                       ref_column: foreign_column_name,
+                       type: type
+                     }
+                   } ->
+      relation_module_name = migration_module(foreign_table_name) |> singularize()
+      "#{type}:#{foreign_table_name}:#{relation_module_name}"
+    end)
+  end
+
+  def build_attributes(data) do
+    data
     |> Enum.map(fn [id, _is_null, type, _position, _max_length] ->
       unless id == "id" || id == "inserted_at" || id == "updated_at" do
         type = type_select(type)
         "#{id}:#{type}"
       end
     end)
-    |> Enum.join(" ")
-    |> String.trim()
   end
 
   def table_name(migration_name) do
@@ -402,17 +474,18 @@ WHERE table_schema = '#{schema}'
     target = String.split(file, "/")
 
     if is_list(target) do
-      target = case Enum.count(target) do
-        1 ->
-          Path.join(File.cwd!(), "/priv/#{file}")
-
-        0 ->
-          Path.join(File.cwd!(), "/priv/db_migrate.txt")
-
-        _ ->
-          filename = "#{timestamp()}_#{List.last(target)}"
-          Path.join(File.cwd!(), "/priv/#{filename}")
-      end
+      target =
+        case Enum.count(target) do
+          1 ->
+            Path.join(File.cwd!(), "/priv/#{file}")
+
+          0 ->
+            Path.join(File.cwd!(), "/priv/db_migrate.txt")
+
+          _ ->
+            filename = "#{timestamp()}_#{List.last(target)}"
+            Path.join(File.cwd!(), "/priv/#{filename}")
+        end
 
       data = Enum.join(data, "\n")
       target |> File.write(data)

lib/migration.exs

@@ -19,3 +19,11 @@ defmodule ExDbmigrate.Util.Migration do
     end
   end
 end
+
+# mix ash.gen.resource Helpdesk.Support.Ticket \
+#  --default-actions read \
+#  --uuid-primary-key id \
+#  --attribute subject:string:required:public \
+#  --relationship belongs_to:representative:Helpdesk.Support.Representative \
+#  --timestamps \
+#  --extend postgres,graphql

lib/mix/tasks/resource.ex

@@ -0,0 +1,16 @@
+defmodule Mix.Tasks.ExDbmigrate.Gen.Resource do
+  use Mix.Task
+
+  @moduledoc """
+    After configuring your default ecto repo in `:ecto_repos`
+    Run mix ExDbmigrate.resource to generates an ash resource.
+  """
+
+  def run(_args) do
+    {:ok, _} = Application.ensure_all_started(:ex_dbmigrate)
+    Mix.shell().info("ExDbmigrate v#{Application.spec(:ex_dbmigrate, :vsn)}")
+
+    ExDbmigrate.resource()
+    |> Enum.join(", ")
+  end
+end

mix.exs

@@ -1,6 +1,6 @@
 defmodule ExDbmigrate.MixProject do
   use Mix.Project
-  @version "1.1.6"
+  @version "1.1.7"
   @source_url "https://github.com/mithereal/ExDbmigrate"
 
   def project do
@@ -17,7 +17,7 @@ defmodule ExDbmigrate.MixProject do
       name: "ex_dbmigrate",
       source_url: @source_url,
       test_coverage: [tool: ExCoveralls],
-      preferred_cli_env: [
+      cli: [
         coveralls: :test,
         "coveralls.detail": :test,
         "coveralls.post": :test,
@@ -30,7 +30,7 @@ defmodule ExDbmigrate.MixProject do
   # Run "mix help compile.app" to learn about applications.
   def application do
     [
-      extra_applications: [:logger],
+      extra_applications: [:logger, :observer, :debugger, :runtime_tools, :wx],
       mod: {ExDbmigrate.Application, []}
     ]
   end