From 54acf0f254e30b280eeddfa980cd5cc0b9445638 Mon Sep 17 00:00:00 2001
From: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
Date: Wed, 15 May 2019 14:56:31 -0400
Subject: [PATCH] Add the checkdependencies command

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
---
 HISTORY.rst                                   |  1 +
 docs/releases/3.2.rst                         |  1 +
 mayan/apps/dependencies/classes.py            | 30 ++++++++++++++++++-
 .../management/commands/checkdependencies.py  | 12 ++++++++
 4 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 mayan/apps/dependencies/management/commands/checkdependencies.py

diff --git a/HISTORY.rst b/HISTORY.rst
index bee71a8699..28ddb00811 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -268,6 +268,7 @@
 * The document link URL when mailed is now composed of the
   COMMON_PROJECT_URL + document URL instead of the Site
   domain.
+* Add the checkdependencies command.
 
 3.1.11 (2019-04-XX)
 ===================
diff --git a/docs/releases/3.2.rst b/docs/releases/3.2.rst
index 65267119ce..00dabce915 100644
--- a/docs/releases/3.2.rst
+++ b/docs/releases/3.2.rst
@@ -578,6 +578,7 @@ Other changes
 * The document link URL when mailed is now composed of the
   COMMON_PROJECT_URL + document URL instead of the Site
   domain.
+* Add the checkdependencies command.
 
 
 Removals
diff --git a/mayan/apps/dependencies/classes.py b/mayan/apps/dependencies/classes.py
index 4b7f75b5de..82de9032e3 100644
--- a/mayan/apps/dependencies/classes.py
+++ b/mayan/apps/dependencies/classes.py
@@ -18,7 +18,7 @@ from django.utils.encoding import (
 from django.utils.functional import cached_property
 from django.utils.module_loading import import_string
 from django.utils.six import PY3
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ugettext_lazy as _, ugettext
 
 from mayan.apps.common.compat import FileNotFoundErrorException
 from mayan.apps.common.utils import resolve_attribute
@@ -150,6 +150,34 @@ class Dependency(object):
     def return_sorted(dependencies):
         return sorted(dependencies, key=lambda x: x.get_label())
 
+    @classmethod
+    def check_all(cls):
+        template = '{:<35}{:<10} {:<15} {:<20} {:<15} {:<30} {:<10}'
+
+        print('\n  ', end='')
+        print(
+            template.format(
+                ugettext('Name'), ugettext('Type'), ugettext('Version'),
+                ugettext('App'), ugettext('Environment'),
+                ugettext('Other data'), ugettext('Check')
+            )
+        )
+        print('-' * 140)
+
+        for dependency in cls.get_all():
+            print('* ', end='')
+            print(template.format(
+                    dependency.name,
+                    force_text(dependency.class_name_verbose_name),
+                    force_text(dependency.get_version_string()),
+                    force_text(dependency.app_label_verbose_name()),
+                    force_text(dependency.get_environment_verbose_name()),
+                    force_text(dependency.get_other_data()),
+                    force_text(dependency.check()),
+                )
+            )
+            sys.stdout.flush()
+
     @classmethod
     def get(cls, pk):
         return cls._registry[pk]
diff --git a/mayan/apps/dependencies/management/commands/checkdependencies.py b/mayan/apps/dependencies/management/commands/checkdependencies.py
new file mode 100644
index 0000000000..f192047857
--- /dev/null
+++ b/mayan/apps/dependencies/management/commands/checkdependencies.py
@@ -0,0 +1,12 @@
+from __future__ import unicode_literals
+
+from django.core import management
+
+from ...classes import Dependency
+
+
+class Command(management.BaseCommand):
+    help = 'Output the status of the defined dependencies.'
+
+    def handle(self, *args, **options):
+        Dependency.check_all()