From 7d9ed0b881bd05878e7a54f785c2551bc6e336d6 Mon Sep 17 00:00:00 2001
From: Dan McGee <dan@archlinux.org>
Date: Tue, 7 Aug 2012 01:16:51 -0500
Subject: Add reverse conflicts to package details

This is a place where calling vercmp could come in really handy.

Signed-off-by: Dan McGee <dan@archlinux.org>
---
 main/models.py                  | 10 ++++++++++
 templates/packages/details.html | 13 ++++++++++---
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/main/models.py b/main/models.py
index 7d8ea755..b49edde3 100644
--- a/main/models.py
+++ b/main/models.py
@@ -258,6 +258,16 @@ class Package(models.Model):
             return (sort_order.get(dep.deptype, 1000), dep.name)
         return sorted(deps, key=sort_key)
 
+    @cache_function(123)
+    def reverse_conflicts(self):
+        """
+        Returns a list of packages with conflicts against this package.
+        """
+        # TODO: fix this; right now we cheat since we can't do proper version
+        # number checking without using alpm or vercmp directly.
+        return Package.objects.filter(conflicts__name=self.pkgname,
+                conflicts__comparison='').distinct()
+
     @cache_function(125)
     def base_package(self):
         """
diff --git a/templates/packages/details.html b/templates/packages/details.html
index 201e3074..9e898b7f 100644
--- a/templates/packages/details.html
+++ b/templates/packages/details.html
@@ -126,16 +126,23 @@
             <td class="wrap">{% include "packages/details_relatedto.html" %}</td>
         </tr>
         {% endif %}{% endwith %}
+        {% with pkg.replaces.all as all_related %}{% if all_related %}
+        <tr>
+            <th>Replaces:</th>
+            <td class="wrap">{% include "packages/details_relatedto.html" %}</td>
+        </tr>
+        {% endif %}{% endwith %}
         {% with pkg.conflicts.all as all_related %}{% if all_related %}
         <tr>
             <th>Conflicts:</th>
             <td class="wrap">{% include "packages/details_relatedto.html" %}</td>
         </tr>
         {% endif %}{% endwith %}
-        {% with pkg.replaces.all as all_related %}{% if all_related %}
+        {% with pkg.reverse_conflicts as rev_conflicts %}{% if rev_conflicts %}
         <tr>
-            <th>Replaces:</th>
-            <td class="wrap">{% include "packages/details_relatedto.html" %}</td>
+            <th>Reverse Conflicts:</th>
+            <td class="wrap">{% for conflict in rev_conflicts %}
+                {% pkg_details_link conflict %}{% if not forloop.last %}, {% endif %}{% endfor %}</td>
         </tr>
         {% endif %}{% endwith %}
         <tr>
-- 
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