create permissions schema and resources #27 / #31

lib/auth/ctx.ex

@@ -101,4 +101,100 @@ defmodule Auth.Ctx do
   def change_role(%Role{} = role, attrs \\ %{}) do
     Role.changeset(role, attrs)
   end
+
+  alias Auth.Ctx.Permission
+
+  @doc """
+  Returns the list of permissions.
+
+  ## Examples
+
+      iex> list_permissions()
+      [%Permission{}, ...]
+
+  """
+  def list_permissions do
+    Repo.all(Permission)
+  end
+
+  @doc """
+  Gets a single permission.
+
+  Raises `Ecto.NoResultsError` if the Permission does not exist.
+
+  ## Examples
+
+      iex> get_permission!(123)
+      %Permission{}
+
+      iex> get_permission!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_permission!(id), do: Repo.get!(Permission, id)
+
+  @doc """
+  Creates a permission.
+
+  ## Examples
+
+      iex> create_permission(%{field: value})
+      {:ok, %Permission{}}
+
+      iex> create_permission(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_permission(attrs \\ %{}) do
+    %Permission{}
+    |> Permission.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a permission.
+
+  ## Examples
+
+      iex> update_permission(permission, %{field: new_value})
+      {:ok, %Permission{}}
+
+      iex> update_permission(permission, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_permission(%Permission{} = permission, attrs) do
+    permission
+    |> Permission.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a permission.
+
+  ## Examples
+
+      iex> delete_permission(permission)
+      {:ok, %Permission{}}
+
+      iex> delete_permission(permission)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_permission(%Permission{} = permission) do
+    Repo.delete(permission)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking permission changes.
+
+  ## Examples
+
+      iex> change_permission(permission)
+      %Ecto.Changeset{data: %Permission{}}
+
+  """
+  def change_permission(%Permission{} = permission, attrs \\ %{}) do
+    Permission.changeset(permission, attrs)
+  end
 end

lib/auth/ctx/permission.ex

@@ -0,0 +1,19 @@
+defmodule Auth.Ctx.Permission do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "permissions" do
+    field :desc, :string
+    field :name, :string
+    field :person_id, :id
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(permission, attrs) do
+    permission
+    |> cast(attrs, [:name, :desc])
+    |> validate_required([:name, :desc])
+  end
+end

lib/auth_web/controllers/permission_controller.ex

@@ -0,0 +1,62 @@
+defmodule AuthWeb.PermissionController do
+  use AuthWeb, :controller
+
+  alias Auth.Ctx
+  alias Auth.Ctx.Permission
+
+  def index(conn, _params) do
+    permissions = Ctx.list_permissions()
+    render(conn, "index.html", permissions: permissions)
+  end
+
+  def new(conn, _params) do
+    changeset = Ctx.change_permission(%Permission{})
+    render(conn, "new.html", changeset: changeset)
+  end
+
+  def create(conn, %{"permission" => permission_params}) do
+    case Ctx.create_permission(permission_params) do
+      {:ok, permission} ->
+        conn
+        |> put_flash(:info, "Permission created successfully.")
+        |> redirect(to: Routes.permission_path(conn, :show, permission))
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        render(conn, "new.html", changeset: changeset)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    permission = Ctx.get_permission!(id)
+    render(conn, "show.html", permission: permission)
+  end
+
+  def edit(conn, %{"id" => id}) do
+    permission = Ctx.get_permission!(id)
+    changeset = Ctx.change_permission(permission)
+    render(conn, "edit.html", permission: permission, changeset: changeset)
+  end
+
+  def update(conn, %{"id" => id, "permission" => permission_params}) do
+    permission = Ctx.get_permission!(id)
+
+    case Ctx.update_permission(permission, permission_params) do
+      {:ok, permission} ->
+        conn
+        |> put_flash(:info, "Permission updated successfully.")
+        |> redirect(to: Routes.permission_path(conn, :show, permission))
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        render(conn, "edit.html", permission: permission, changeset: changeset)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    permission = Ctx.get_permission!(id)
+    {:ok, _permission} = Ctx.delete_permission(permission)
+
+    conn
+    |> put_flash(:info, "Permission deleted successfully.")
+    |> redirect(to: Routes.permission_path(conn, :index))
+  end
+end

lib/auth_web/router.ex

@@ -39,7 +39,7 @@ defmodule AuthWeb.Router do
 
     get "/profile", AuthController, :admin
     resources "/roles", RoleController
-
+    resources "/permissions", PermissionController
     resources "/settings/apikeys", ApikeyController
   end
 

lib/auth_web/templates/permission/edit.html.eex

@@ -0,0 +1,5 @@
+<h1>Edit Permission</h1>
+
+<%= render "form.html", Map.put(assigns, :action, Routes.permission_path(@conn, :update, @permission)) %>
+
+<span><%= link "Back", to: Routes.permission_path(@conn, :index) %></span>

lib/auth_web/templates/permission/form.html.eex

@@ -0,0 +1,19 @@
+<%= form_for @changeset, @action, fn f -> %>
+  <%= if @changeset.action do %>
+    <div class="alert alert-danger">
+      <p>Oops, something went wrong! Please check the errors below.</p>
+    </div>
+  <% end %>
+
+  <%= label f, :name %>
+  <%= text_input f, :name %>
+  <%= error_tag f, :name %>
+
+  <%= label f, :desc %>
+  <%= text_input f, :desc %>
+  <%= error_tag f, :desc %>
+
+  <div>
+    <%= submit "Save" %>
+  </div>
+<% end %>

lib/auth_web/templates/permission/index.html.eex

@@ -0,0 +1,28 @@
+<h1>Listing Permissions</h1>
+
+<table>
+  <thead>
+    <tr>
+      <th>Name</th>
+      <th>Desc</th>
+
+      <th></th>
+    </tr>
+  </thead>
+  <tbody>
+<%= for permission <- @permissions do %>
+    <tr>
+      <td><%= permission.name %></td>
+      <td><%= permission.desc %></td>
+
+      <td>
+        <span><%= link "Show", to: Routes.permission_path(@conn, :show, permission) %></span>
+        <span><%= link "Edit", to: Routes.permission_path(@conn, :edit, permission) %></span>
+        <span><%= link "Delete", to: Routes.permission_path(@conn, :delete, permission), method: :delete, data: [confirm: "Are you sure?"] %></span>
+      </td>
+    </tr>
+<% end %>
+  </tbody>
+</table>
+
+<span><%= link "New Permission", to: Routes.permission_path(@conn, :new) %></span>

lib/auth_web/templates/permission/new.html.eex

@@ -0,0 +1,5 @@
+<h1>New Permission</h1>
+
+<%= render "form.html", Map.put(assigns, :action, Routes.permission_path(@conn, :create)) %>
+
+<span><%= link "Back", to: Routes.permission_path(@conn, :index) %></span>

lib/auth_web/templates/permission/show.html.eex

@@ -0,0 +1,18 @@
+<h1>Show Permission</h1>
+
+<ul>
+
+  <li>
+    <strong>Name:</strong>
+    <%= @permission.name %>
+  </li>
+
+  <li>
+    <strong>Desc:</strong>
+    <%= @permission.desc %>
+  </li>
+
+</ul>
+
+<span><%= link "Edit", to: Routes.permission_path(@conn, :edit, @permission) %></span>
+<span><%= link "Back", to: Routes.permission_path(@conn, :index) %></span>

lib/auth_web/views/permission_view.ex

@@ -0,0 +1,3 @@
+defmodule AuthWeb.PermissionView do
+  use AuthWeb, :view
+end

priv/repo/migrations/20200722180019_create_permissions.exs

@@ -0,0 +1,15 @@
+defmodule Auth.Repo.Migrations.CreatePermissions do
+  use Ecto.Migration
+
+  def change do
+    create table(:permissions) do
+      add :name, :string
+      add :desc, :string
+      add :person_id, references(:people, on_delete: :nothing)
+
+      timestamps()
+    end
+
+    create index(:permissions, [:person_id])
+  end
+end

test/auth/ctx_test.exs

@@ -63,4 +63,65 @@ defmodule Auth.CtxTest do
       assert %Ecto.Changeset{} = Ctx.change_role(role)
     end
   end
+
+  describe "permissions" do
+    alias Auth.Ctx.Permission
+
+    @valid_attrs %{desc: "some desc", name: "some name"}
+    @update_attrs %{desc: "some updated desc", name: "some updated name"}
+    @invalid_attrs %{desc: nil, name: nil}
+
+    def permission_fixture(attrs \\ %{}) do
+      {:ok, permission} =
+        attrs
+        |> Enum.into(@valid_attrs)
+        |> Ctx.create_permission()
+
+      permission
+    end
+
+    test "list_permissions/0 returns all permissions" do
+      permission = permission_fixture()
+      assert Ctx.list_permissions() == [permission]
+    end
+
+    test "get_permission!/1 returns the permission with given id" do
+      permission = permission_fixture()
+      assert Ctx.get_permission!(permission.id) == permission
+    end
+
+    test "create_permission/1 with valid data creates a permission" do
+      assert {:ok, %Permission{} = permission} = Ctx.create_permission(@valid_attrs)
+      assert permission.desc == "some desc"
+      assert permission.name == "some name"
+    end
+
+    test "create_permission/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Ctx.create_permission(@invalid_attrs)
+    end
+
+    test "update_permission/2 with valid data updates the permission" do
+      permission = permission_fixture()
+      assert {:ok, %Permission{} = permission} = Ctx.update_permission(permission, @update_attrs)
+      assert permission.desc == "some updated desc"
+      assert permission.name == "some updated name"
+    end
+
+    test "update_permission/2 with invalid data returns error changeset" do
+      permission = permission_fixture()
+      assert {:error, %Ecto.Changeset{}} = Ctx.update_permission(permission, @invalid_attrs)
+      assert permission == Ctx.get_permission!(permission.id)
+    end
+
+    test "delete_permission/1 deletes the permission" do
+      permission = permission_fixture()
+      assert {:ok, %Permission{}} = Ctx.delete_permission(permission)
+      assert_raise Ecto.NoResultsError, fn -> Ctx.get_permission!(permission.id) end
+    end
+
+    test "change_permission/1 returns a permission changeset" do
+      permission = permission_fixture()
+      assert %Ecto.Changeset{} = Ctx.change_permission(permission)
+    end
+  end
 end