Changeset 4281 for waeup/branches/ulif-rewrite/src

Timestamp:

13 Jun 2009, 17:42:58 (16 years ago)

Author:

uli

Message:

Add first basic implementations for certificates and related classes.

File:

• waeup/branches/ulif-rewrite/src/waeup/university/certificate.py (modified) (1 diff)

waeup/branches/ulif-rewrite/src/waeup/university/certificate.py

@@ +1 @@
+"""WAeUP portal certificates
+"""
+import grok
+from zope.component.interfaces import IFactory
+from waeup.interfaces import ICertificate, ICertificateContainer
+
+class Certificate(grok.Container):
+    """A certificate.
+    """
+    grok.implements(ICertificate)
+
+    def __init__(self, code='NA'):
+        self.code = code
+
+class CertificateContainer(grok.Container):
+    """See interfaces for description.
+    """
+    grok.implements(ICertificateContainer)
+    grok.require('waeup.manageUniversity')
+
+    def addCertificate(self, certificate):
+        if not ICertificate.providedBy(certificate):
+            raise TypeError('CertificateContainers contain only '
+                            'ICertificate instances')
+        self[certificate.code] = certificate
+        return
+
+    def clear(self):
+        keys = self.keys()
+        for key in keys:
+            del self[key]
+
+class CertificateContainerFactory(grok.GlobalUtility):
+    """A factory for certificate containers.
+    """
+    grok.implements(IFactory)
+    grok.name(u'waeup.CertificateContainer')
+    title = u"Create a new certificate container.",
+    description = u"This factory instantiates new certificate containers."
+
+    def __call__(self):
+        return CertificateContainer()
+
+    def getInterfaces(self):
+        return implementedBy(CertificateContainer)