From f8c405db83a1985aee5474beb035037a7787484a Mon Sep 17 00:00:00 2001
From: Doug Hellmann <doug@doughellmann.com>
Date: Wed, 12 Nov 2014 15:58:46 +0000
Subject: [PATCH] add command to show outdated requirements in projects

---
 aeromancer/requirements/cli.py | 27 +++++++++++++++++++++++++++
 setup.cfg                      |  1 +
 2 files changed, 28 insertions(+)

diff --git a/aeromancer/requirements/cli.py b/aeromancer/requirements/cli.py
index 064d7a5..7f71a0a 100644
--- a/aeromancer/requirements/cli.py
+++ b/aeromancer/requirements/cli.py
@@ -9,6 +9,7 @@ from aeromancer import utils
 from cliff.lister import Lister
 
 from sqlalchemy import distinct
+from sqlalchemy.orm import aliased
 
 
 class List(Lister):
@@ -70,3 +71,29 @@ class Unused(Lister):
         ).order_by(req_models.GlobalRequirement.name)
         return (('Name', 'Spec'),
                 ((r.name, r.line.content.strip()) for r in query.all()))
+
+
+class Outdated(Lister):
+    """List requirements in projects that do not match the global spec"""
+
+    log = logging.getLogger(__name__)
+
+    def take_action(self, parsed_args):
+        session = self.app.get_db_session()
+        used_requirements = session.query(distinct(req_models.Requirement.name))
+        global_line = aliased(models.Line)
+        project_line = aliased(models.Line)
+        query = session.query(req_models.Requirement,
+                              models.Project,
+                              global_line,
+                              project_line,
+                              req_models.GlobalRequirement).filter(
+                                  req_models.Requirement.project_id == models.Project.id,
+                                  req_models.Requirement.name == req_models.GlobalRequirement.name,
+                                  project_line.id == req_models.Requirement.line_id,
+                                  global_line.id == req_models.GlobalRequirement.line_id,
+                                  project_line.content != global_line.content,
+                              ).order_by(models.Project.name, req_models.Requirement.name)
+        return (('Project', 'Local', 'Global'),
+                ((r[1].name, r[3].content.strip(), r[2].content.strip())
+                 for r in query.all()))
diff --git a/setup.cfg b/setup.cfg
index b74ae8d..320b635 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -56,6 +56,7 @@ aeromancer.cli =
     rescan = aeromancer.cli.project:Rescan
     discover = aeromancer.cli.project:Discover
     requirements list = aeromancer.requirements.cli:List
+    requirements outdated = aeromancer.requirements.cli:Outdated
     requirements unused = aeromancer.requirements.cli:Unused
     what uses = aeromancer.requirements.cli:Uses