Рефакторинг обработчиков. Часть 1 #21

src/handlers/admin/admin_handler_me.erl

@@ -1,37 +1,137 @@
 -module(admin_handler_me).
 -behaviour(cowboy_handler).
 
--include("records.hrl").
-
 -export([init/2]).
+-export([trails/0]).
+
+-include("records.hrl").
 
 init(Req, _Opts) ->
   case cowboy_req:method(Req) of
-    <<"GET">> ->
-      case handler_auth:authenticate(Req) of
-        {ok, AdminId, Req1} ->
-          case core_admin:get_by_id(AdminId) of
-            {ok, Admin} ->
-              Permissions = admin_utils:get_permissions(Admin#admin.role),
-              Resp = jsx:encode(#{
-                id => Admin#admin.id,
-                email => Admin#admin.email,
-                role => Admin#admin.role,
-                permissions => Permissions
-              }),
-              Req2 = cowboy_req:reply(200, #{<<"content-type">> => <<"application/json">>}, Resp, Req1),
-              {ok, Req2, []};
-            {error, not_found} ->
-              send_error(Req1, 404, <<"Admin not found">>)
-          end;
-        {error, Code, Message, Req1} ->
-          send_error(Req1, Code, Message)
-      end;
-    _ ->
-      send_error(Req, 405, <<"Method not allowed">>)
+    <<"GET">> -> get_me(Req);
+    <<"PUT">> -> update_me(Req);
+    _         -> handler_utils:send_error(Req, 405, <<"Method not allowed">>)
   end.
 
-send_error(Req, Code, Message) ->
-  Body = jsx:encode(#{error => Message}),
-  Req2 = cowboy_req:reply(Code, #{<<"content-type">> => <<"application/json">>}, Body, Req),
-  {ok, Req2, []}.
+trails() ->
+  [
+    #{  % GET
+      path        => <<"/v1/admin/me">>,
+      method      => <<"GET">>,
+      description => <<"Get current admin profile">>,
+      tags        => [<<"Admins">>],
+      responses   => #{
+        200 => #{
+          description => <<"Admin profile">>,
+          content     => #{<<"application/json">> => #{schema => admin_schema()}}
+        }
+      }
+    },
+    #{  % PUT
+      path        => <<"/v1/admin/me">>,
+      method      => <<"PUT">>,
+      description => <<"Update current admin profile">>,
+      tags        => [<<"Admins">>],
+      requestBody => #{
+        required => true,
+        content  => #{<<"application/json">> => #{schema => admin_update_schema()}}
+      },
+      responses => #{
+        200 => #{description => <<"Updated profile">>}
+      }
+    }
+  ].
+
+admin_schema() ->
+  #{
+    type       => object,
+    properties => #{
+      id           => #{type => string},
+      email        => #{type => string},
+      role         => #{type => string},
+      status       => #{type => string},
+      nickname     => #{type => string, nullable => true},
+      avatar_url   => #{type => string, nullable => true},
+      timezone     => #{type => string, nullable => true},
+      language     => #{type => string, nullable => true},
+      phone        => #{type => string, nullable => true},
+      preferences  => #{type => object, nullable => true},
+      last_login   => #{type => string, format => <<"date-time">>},
+      created_at   => #{type => string, format => <<"date-time">>},
+      updated_at   => #{type => string, format => <<"date-time">>}
+    }
+  }.
+
+admin_update_schema() ->
+  #{
+    type       => object,
+    properties => #{
+      nickname    => #{type => string},
+      avatar_url  => #{type => string},
+      timezone    => #{type => string},
+      language    => #{type => string},
+      phone       => #{type => string},
+      preferences => #{type => object}
+    }
+  }.
+
+get_me(Req) ->
+  case handler_utils:auth_admin(Req) of
+    {ok, AdminId, Req1} ->
+      case logic_admin:get_admin(AdminId) of
+        {ok, Admin} ->
+          handler_utils:send_json(Req1, 200, admin_to_json(Admin));
+        {error, not_found} ->
+          handler_utils:send_error(Req1, 404, <<"Admin not found">>);
+        {error, _} ->
+          handler_utils:send_error(Req1, 500, <<"Internal server error">>)
+      end;
+    {error, Code, Msg, Req1} ->
+      handler_utils:send_error(Req1, Code, Msg)
+  end.
+
+update_me(Req) ->
+  case handler_utils:auth_admin(Req) of
+    {ok, AdminId, Req1} ->
+      {ok, Body, Req2} = cowboy_req:read_body(Req1),
+      try jsx:decode(Body, [return_maps]) of
+        UpdatesMap when is_map(UpdatesMap) ->
+          Updates = maps:to_list(UpdatesMap),
+          case logic_admin:update_admin(AdminId, Updates) of
+            {ok, Admin} ->
+              handler_utils:send_json(Req2, 200, admin_to_json(Admin));
+            {error, not_found} ->
+              handler_utils:send_error(Req2, 404, <<"Admin not found">>);
+            {error, _} ->
+              handler_utils:send_error(Req2, 500, <<"Internal server error">>)
+          end;
+        _ ->
+          handler_utils:send_error(Req2, 400, <<"Invalid JSON">>)
+      catch
+        _:_ -> handler_utils:send_error(Req1, 400, <<"Invalid JSON format">>)
+      end;
+    {error, Code, Msg, Req1} ->
+      handler_utils:send_error(Req1, Code, Msg)
+  end.
+
+admin_to_json(Admin) ->
+  #{
+    id          => Admin#admin.id,
+    email       => Admin#admin.email,
+    role        => Admin#admin.role,
+    status      => Admin#admin.status,
+    nickname    => Admin#admin.nickname,
+    avatar_url  => Admin#admin.avatar_url,
+    timezone    => Admin#admin.timezone,
+    language    => Admin#admin.language,
+    phone       => Admin#admin.phone,
+    preferences => Admin#admin.preferences,
+    last_login  => datetime_to_iso8601(Admin#admin.last_login),
+    created_at  => datetime_to_iso8601(Admin#admin.created_at),
+    updated_at  => datetime_to_iso8601(Admin#admin.updated_at)
+  }.
+
+datetime_to_iso8601(undefined) -> undefined;
+datetime_to_iso8601({{Year, Month, Day}, {Hour, Minute, Second}}) ->
+  iolist_to_binary(io_lib:format("~4..0B-~2..0B-~2..0BT~2..0B:~2..0B:~2..0BZ",
+    [Year, Month, Day, Hour, Minute, Second])).