Implement "notifications" command

The list of notifications is diplayed with each item enclosed within an
horizontal line as for timeline. When a status is involved (when
notification type is "reblog" or "favourite"), we also display the full
status.

Closes #81.

tests/test_console.py

@@ -436,6 +436,116 @@ def test_whoami(mock_get, capsys):
     assert "Statuses: 19" in out
 
 
+@mock.patch('toot.http.get')
+def test_notifications(mock_get, capsys):
+    mock_get.return_value = MockResponse([{
+        'id': '1',
+        'type': 'follow',
+        'created_at': '2019-02-16T07:01:20.714Z',
+        'account': {
+            'display_name': 'Frank Zappa',
+            'acct': 'frank@zappa.social',
+        },
+    }, {
+        'id': '2',
+        'type': 'mention',
+        'created_at': '2017-01-12T12:12:12.0Z',
+        'account': {
+            'display_name': 'Dweezil Zappa',
+            'acct': 'dweezil@zappa.social',
+        },
+        'status': {
+            'id': '111111111111111111',
+            'account': {
+                'display_name': 'Dweezil Zappa',
+                'acct': 'dweezil@zappa.social',
+            },
+            'created_at': '2017-04-12T15:53:18.174Z',
+            'content': "<p>We still have fans in 2017 @fan123</p>",
+            'reblog': None,
+            'in_reply_to_id': None,
+            'media_attachments': [],
+        },
+    }, {
+        'id': '3',
+        'type': 'reblog',
+        'created_at': '1983-11-03T03:03:03.333Z',
+        'account': {
+            'display_name': 'Terry Bozzio',
+            'acct': 'terry@bozzio.social',
+        },
+        'status': {
+            'id': '1234',
+            'account': {
+                'display_name': 'Zappa Fan',
+                'acct': 'fan123@zappa-fans.social'
+            },
+            'created_at': '1983-11-04T15:53:18.174Z',
+            'content': "<p>The Black Page, a masterpiece</p>",
+            'reblog': None,
+            'in_reply_to_id': None,
+            'media_attachments': [],
+        },
+    }, {
+        'id': '4',
+        'type': 'favourite',
+        'created_at': '1983-12-13T01:02:03.444Z',
+        'account': {
+            'display_name': 'Zappa Old Fan',
+            'acct': 'fan9@zappa-fans.social',
+        },
+        'status': {
+            'id': '1234',
+            'account': {
+                'display_name': 'Zappa Fan',
+                'acct': 'fan123@zappa-fans.social'
+            },
+            'created_at': '1983-11-04T15:53:18.174Z',
+            'content': "<p>The Black Page, a masterpiece</p>",
+            'reblog': None,
+            'in_reply_to_id': None,
+            'media_attachments': [],
+        },
+    }])
+
+    console.run_command(app, user, 'notifications', [])
+
+    mock_get.assert_called_once_with(app, user, '/api/v1/notifications')
+
+    out, err = capsys.readouterr()
+    out = uncolorize(out)
+
+    width = 100
+    assert not err
+    assert out == "\n".join([
+        "─" * width,
+        "Frank Zappa @frank@zappa.social now follows you",
+        "─" * width,
+        "Dweezil Zappa @dweezil@zappa.social mentioned you in",
+        "Dweezil Zappa @dweezil@zappa.social                                                 2017-04-12 15:53",
+        "",
+        "We still have fans in 2017 @fan123",
+        "",
+        "ID 111111111111111111  ",
+        "─" * width,
+        "Zappa Old Fan @fan9@zappa-fans.social favourited your status",
+        "Zappa Fan @fan123@zappa-fans.social                                                 1983-11-04 15:53",
+        "",
+        "The Black Page, a masterpiece",
+        "",
+        "ID 1234  ",
+        "─" * width,
+        "Terry Bozzio @terry@bozzio.social reblogged your status",
+        "Zappa Fan @fan123@zappa-fans.social                                                 1983-11-04 15:53",
+        "",
+        "The Black Page, a masterpiece",
+        "",
+        "ID 1234  ",
+        "─" * width,
+        "",
+    ])
+
+
 def u(user_id, access_token="abc"):
     username, instance = user_id.split("@")
     return {

toot/commands.py

@@ -1,9 +1,12 @@
 # -*- coding: utf-8 -*-
 
+from datetime import datetime
+
 from toot import api, config
 from toot.auth import login_interactive, login_browser_interactive, create_app_interactive
 from toot.exceptions import ConsoleError, NotFoundError
-from toot.output import print_out, print_instance, print_account, print_search_results, print_timeline
+from toot.output import (print_out, print_instance, print_account,
+                         print_search_results, print_status, print_timeline)
 from toot.utils import assert_domain_exists, multiline_input, EOF_KEY
 
 
@@ -293,3 +296,26 @@ def instance(app, user, args):
             "Instance not found at {}.\n"
             "The given domain probably does not host a Mastodon instance.".format(name)
         )
+
+
+def notifications(app, user, args):
+    width = 100
+    for notification in sorted(api.get_notifications(app, user),
+                               key=lambda n: datetime.strptime(
+                                   n["created_at"], "%Y-%m-%dT%H:%M:%S.%fZ"),
+                               reverse=True):
+        account = "{display_name} @{acct}".format(**notification["account"])
+        msg = {
+            "follow": "{account} now follows you",
+            "mention": "{account} mentioned you in",
+            "reblog": "{account} reblogged your status",
+            "favourite": "{account} favourited your status",
+        }.get(notification["type"])
+        if msg is None:
+            continue
+        print_out("─" * width)
+        print_out(msg.format(account=account))
+        status = notification.get("status")
+        if status is not None:
+            print_status(status, width=width)
+    print_out("─" * width)

toot/console.py

@@ -167,6 +167,12 @@ READ_COMMANDS = [
         ],
         require_auth=True,
     ),
+    Command(
+        name="notifications",
+        description="Notifications for logged in user",
+        arguments=[],
+        require_auth=True,
+    ),
     Command(
         name="instance",
         description="Display instance details",