From d21c4a28eae99f58c6b95c26d060cf72cacd7510 Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Sat, 30 Apr 2011 14:00:59 +0200
Subject: [PATCH] Yellow Pages: view task_candidates for listing persons with
 knowledge required for task.

---
 CHANGES.txt                     |   2 ++
 knowledge/browser.py            |  16 ++++++---
 knowledge/configure.zcml        |  11 ++++--
 knowledge/interfaces.py         |   8 +++--
 knowledge/knowledge.py          |  25 ++++++++++++++
 knowledge/knowledge_macros.pt   |  59 +++++++++++++++++++++++---------
 locales/de/LC_MESSAGES/loops.mo | Bin 14539 -> 14729 bytes
 locales/de/LC_MESSAGES/loops.po |  21 ++++++++++--
 8 files changed, 114 insertions(+), 28 deletions(-)

diff --git a/CHANGES.txt b/CHANGES.txt
index 1485bf1..d4269a0 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -6,6 +6,8 @@ $Id$
 1.1
 ---
 
+- yellow pages: view task_candidates for selecting persons with required
+  knowledge for task
 - improve 'move' and 'delegate' actions: create new run, store source and
   target work items, keep state when moving
 - keep access trail (history) in session
diff --git a/knowledge/browser.py b/knowledge/browser.py
index 5da1369..2b79bf7 100644
--- a/knowledge/browser.py
+++ b/knowledge/browser.py
@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2011 Helmut Merz helmutm@cy55.de
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -58,14 +58,13 @@ actions.register('editTopic', 'portlet', DialogAction,
 )
 
 
-class MyKnowledge(BaseView):
+class MyKnowledge(ConceptView):
 
-    #template = NamedTemplate('loops.knowledge_macros')
     template = ViewPageTemplateFile('knowledge_macros.pt')
 
     @Lazy
     def macro(self):
-        return self.template.macros['requirements']
+        return self.template.macros['requirement_providers']
 
     @Lazy
     def person(self):
@@ -91,3 +90,12 @@ class MyKnowledge(BaseView):
                  'providers': (BaseView(p.context, request) for p in prov)}
                     for req, prov in providers)
 
+
+class Candidates(ConceptView):
+
+    template = ViewPageTemplateFile('knowledge_macros.pt')
+
+    @Lazy
+    def macro(self):
+        return self.template.macros['requirement_candidates']
+
diff --git a/knowledge/configure.zcml b/knowledge/configure.zcml
index 1821b38..5b3a3c4 100644
--- a/knowledge/configure.zcml
+++ b/knowledge/configure.zcml
@@ -74,8 +74,15 @@
              zope.publisher.interfaces.browser.IBrowserRequest"
         provides="zope.interface.Interface"
         factory="loops.knowledge.browser.MyKnowledge"
-        permission="zope.View"
-        />
+        permission="zope.View" />
+
+  <zope:adapter
+        name="task_candidates"
+        for="loops.interfaces.IConcept
+             zope.publisher.interfaces.browser.IBrowserRequest"
+        provides="zope.interface.Interface"
+        factory="loops.knowledge.browser.Candidates"
+        permission="zope.View" />
 
   <!-- other adapters -->
 
diff --git a/knowledge/interfaces.py b/knowledge/interfaces.py
index 964ffc0..5d747ad 100644
--- a/knowledge/interfaces.py
+++ b/knowledge/interfaces.py
@@ -36,8 +36,6 @@ from loops.schema.base import Relation, RelationSet
 
 _ = MessageFactory('loops')
 
-# TODO: separate interfaces for viewing and changing methods!
-
 
 class IPerson(IBasePerson, IKnowing, ILoopsAdapter):
     """ A person, including knowledge/learning management features.
@@ -54,6 +52,12 @@ class ITask(IBaseTask, IRequirementProfile, ILoopsAdapter):
     """ A task, also acting as a knowledge requirement profile.
     """
 
+    requirements = RelationSet(
+            title=_(u'Requirements'),
+            description=_(u'The knowledge required for this task.'),
+            #target_types=('topic',),   # set via global option knowledge.element
+            required=False)
+
 
 class ITopic(IConceptSchema, IKnowledgeElement, ILoopsAdapter):
     """ Just a topic, some general classification concept.
diff --git a/knowledge/knowledge.py b/knowledge/knowledge.py
index 68a18c9..38db3fd 100644
--- a/knowledge/knowledge.py
+++ b/knowledge/knowledge.py
@@ -150,6 +150,11 @@ class Task(BaseTask, KnowledgeAdapterMixin):
 
     implements(ITask)
 
+    _adapterAttributes = BasePerson._adapterAttributes + ('requirements',)
+    _noexportAttributes = ('requirements',)
+
+    requirements = ParentRelationSetProperty('requires')
+
     def getRequirements(self):
         return (IKnowledgeElement(c)
                 for c in self.context.getParents((self.requiresPred,)))
@@ -160,6 +165,26 @@ class Task(BaseTask, KnowledgeAdapterMixin):
     def removeRequirement(self, obj):
         self.context.deassignParent(obj.context, (self.requiresPred,))
 
+    def getCandidates(self):
+        result = []
+        candidates = []
+        reqs = list(self.requirements)
+        for req in reqs:
+            for p in req.getKnowers():
+                if p not in candidates:
+                    candidates.append(p)
+                    item = dict(person=p, required=[], other=[], fit=0.0)
+                    for k in p.knowledge:
+                        if k in reqs:
+                            item['required'].append(k)
+                            item['fit'] += 1.0
+                        else:
+                            item['other'].append(k)
+                    result.append(item)
+        for item in result:
+            item['fit'] /= len(reqs)
+        return sorted(result, key=lambda x: (-x['fit'], x['person'].title))
+
 
 class ConceptKnowledgeProvider(AdapterBase, KnowledgeAdapterMixin):
 
diff --git a/knowledge/knowledge_macros.pt b/knowledge/knowledge_macros.pt
index 5abc24d..1a8f660 100644
--- a/knowledge/knowledge_macros.pt
+++ b/knowledge/knowledge_macros.pt
@@ -1,14 +1,11 @@
-<metal:listing define-macro="requirements">
+<html i18n:domain="loops">
+
+
+<metal:providers define-macro="requirement_providers">
+  <metal:block use-macro="view/concept_macros/conceptdata" />
   <div>
-    <h3 tal:attributes="class string:content-$level;
-                        ondblclick item/openEditWindow">
-      <span i18n:translate="">Concept</span>:
-      <span tal:content="item/title">Title</span>
-    </h3>
     <metal:listing define-macro="requirementslisting2">
-      <div tal:attributes="class string:content-$level;
-                           ondblclick python: item.openEditWindow('configure.html')">
-        <h4>Requirements</h4>
+        <h3>Requirements</h3>
         <table class="listing">
           <tr>
            <th i18n:translate="">Requirement</th>
@@ -16,20 +13,48 @@
           </tr>
           <tr tal:repeat="related item/myKnowledgeProvidersForTask">
             <td>
-              <a href="#"
-                  tal:attributes="href string:${view/url}/.target${related/required/uniqueId}"
-                  tal:content="related/required/title">Concept Title</a>
+              <a tal:attributes="href
+                        string:${view/url}/.target${related/required/uniqueId}"
+                 tal:content="related/required/title">Concept Title</a>
             </td>
             <td>
               <tal:provider repeat="prov related/providers">
-                <a href="#"
-                   tal:attributes="href string:${view/url}/.target${prov/uniqueId}"
-                    tal:content="prov/title">Provider Title</a>
+                <a tal:attributes="href string:${view/url}/.target${prov/uniqueId}"
+                   tal:content="prov/title">Provider Title</a>
               </tal:provider>
             </td>
           </tr>
         </table>
-      </div>
     </metal:listing>
   </div>
-</metal:listing>
+</metal:providers>
+
+
+<metal:candidates define-macro="requirement_candidates">
+  <metal:block use-macro="view/concept_macros/conceptdata" />
+  <h3 i18n:translate="">Candidates for Task</h3>
+  <table class="listing">
+    <tr>
+      <th i18n:translate="">Candidate</th>
+      <th i18n:translate=""
+          title="coverage"
+          i18n:attributes="title description_fit">Fit</th>
+      <th i18n:translate="">Knowledge</th>
+    </tr>
+    <tr tal:repeat="candidate item/adapted/getCandidates">
+      <td tal:define="person candidate/person">
+        <b tal:omit-tag="python:candidate['fit'] < 1.0">
+          <a tal:attributes="href python:view.getUrlForTarget(person.context)"
+             tal:content="person/title" /></b></td>
+      <td tal:content="candidate/fit" />
+      <td>
+        <tal:knowledge tal:repeat="ke candidate/required">
+          <a tal:attributes="href python:view.getUrlForTarget(ke.context)"
+             tal:content="ke/title" /><tal:sep condition="not:repeat/ke/end">, </tal:sep>
+        </tal:knowledge></td>
+    </tr>
+  </table>
+</metal:candidates>
+
+
+</html>
diff --git a/locales/de/LC_MESSAGES/loops.mo b/locales/de/LC_MESSAGES/loops.mo
index 91529e9fdb91d6ab5843621b4a6cc479d18bc5d7..8cda197bed722ba9db83a6749d7394c9037be436 100644
GIT binary patch
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diff --git a/locales/de/LC_MESSAGES/loops.po b/locales/de/LC_MESSAGES/loops.po
index ccdf831..028544c 100644
--- a/locales/de/LC_MESSAGES/loops.po
+++ b/locales/de/LC_MESSAGES/loops.po
@@ -3,7 +3,7 @@ msgstr ""
 
 "Project-Id-Version: $Id$\n"
 "POT-Creation-Date: 2007-05-22 12:00 CET\n"
-"PO-Revision-Date: 2011-03-07 12:00 CET\n"
+"PO-Revision-Date: 2011-04-30 12:00 CET\n"
 "Last-Translator: Helmut Merz <helmutm@cy55.de>\n"
 "Language-Team: loops developers <helmutm@cy55.de>\n"
 "MIME-Version: 1.0\n"
@@ -498,10 +498,25 @@ msgid "End date"
 msgstr "Ende"
 
 msgid "Knowledge"
-msgstr "Wissen"
+msgstr "Kompetenzen"
+
+msgid "Requirements"
+msgstr "Anforderungen"
 
 msgid "The knowledge elements for this person."
-msgstr "Die Wissenselemente für diese Person."
+msgstr "Die Kompetenzen dieser Person."
+
+msgid "Candidates for Task"
+msgstr "Kandidaten für Aufgabe"
+
+msgid "Candidate"
+msgstr "Kandidat"
+
+msgid "Fit"
+msgstr "DG"
+
+msgid "description_fit"
+msgstr "Deckungsgrad"
 
 msgid "Create loops Note"
 msgstr "loops-Notiz anlegen"