Implement getting resource from database

committer: Ralf Schlatterbeck <[email protected]>

Author: kinggreedy

roundup/rest.py

@@ -1,11 +1,14 @@
-# Restful API for Roundup
-#
-# This module is free software, you may redistribute it
-# and/or modify under the same terms as Python.
-#
+"""
+Restful API for Roundup
+
+This module is free software, you may redistribute it
+and/or modify under the same terms as Python.
+"""
 
 import json
 import pprint
+from roundup import hyperdb
+from roundup.cgi.templating import Unauthorised
 
 
 class RestfulInstance(object):
@@ -16,9 +19,54 @@ def __init__(self, db):
         # TODO: database, translator and instance.actions
         self.db = db
 
+    def action_get(self, resource, input):
+        classname, itemid = hyperdb.splitDesignator(resource)
+        cl = self.db.getclass(classname)
+        props = cl.properties.keys()
+        props.sort()
+        for p in props:
+            if not self.db.security.hasPermission('View', self.db.getuid(),
+                                                  classname, p, itemid):
+                raise Unauthorised('Permission to view %s of %s denied' %
+                                   (p, resource))
+            result = [(prop, cl.get(itemid, prop)) for prop in props]
+
+        # print type(result)
+        # print type(dict(result))
+        return json.JSONEncoder().encode(dict(result))
+        # return json.dumps(dict(result))
+        # return dict(result)
+
     def dispatch(self, method, uri, input):
         print method
         print uri
         print type(input)
         pprint.pprint(input)
-        return ' '.join([method, uri, pprint.pformat(input)])
+
+        # PATH is split to multiple pieces
+        # 0 - rest
+        # 1 - resource
+        #
+        # Example: rest/issue - collection uri
+        # Example: rest/issue573 - element uri
+        uri_path = uri.split("/")
+        # TODO: use named function for this instead
+        # TODO: check roundup/actions.py
+        # TODO: if uri_path has more than 2 child, return 404
+        output = "METHOD is not supported"
+        if method == "GET":
+            output = self.action_get(uri_path[1], input)
+        elif method == "POST":
+            pass
+        elif method == "PUT":
+            pass
+        elif method == "DELETE":
+            pass
+        elif method == "PATCH":
+            pass
+        else:
+            pass
+
+        print output
+        print len(output)
+        return output