Reactivated PI get emails

[myslice.git] / manifold / metadata.py

diff --git a/manifold/metadata.py b/manifold/metadata.py
index 1d8d5e8..de9bf2e 100644 (file)
--- a/manifold/metadata.py
+++ b/manifold/metadata.py
@@ -1,14 +1,13 @@
 import json 
+import os.path
 
 from manifold.manifoldresult import ManifoldResult
 from manifold.manifoldapi import ManifoldAPI
 
-debug=False
-debug=True
+from django.contrib                     import messages
 
-# turn this on if you want to work offline
-work_offline=False
-#work_offline=True
+debug=False
+#debug=True
 
 class MetaData:
 
@@ -16,39 +15,38 @@ class MetaData:
         self.auth=auth
         self.hash_by_object={}
 
-        # XXX Retrieve all metadata the first time we instanciate the class
-        self.fetch()
-
-    def fetch (self):
-        offline_filename="offline-metadata.json"
-        if work_offline:
-            try:
-                with file(offline_metadata) as f:
-                    self.hash_by_object=json.loads(f.read())
-                return
-            except:
-                print "metadata.work_offline: failed to decode %s"%offline_filename
+    def fetch (self, request):
         manifold_api = ManifoldAPI(self.auth)
-        fields = ['table', 'column.column',
-                  'column.description','column.header', 'column.title',
-                  'column.unit', 'column.info_type',
-                  'column.resource_type', 'column.value_type',
-                  'column.allowed_values', 'column.platforms.platform',
-                  'column.platforms.platform_url']
-        rows_result = manifold_api.Get({
-            'object': 'local:objects', # proposed to replace metadata:table
-            'fields':     fields 
-        })
-#old#        rows_result = manifold_api.Get('metadata:table', [], [], fields)
-        rows = rows_result.ok_value()
-        if not rows:
-            print "Failed to retrieve metadata",rows_result.error()
-            rows=[]
+        fields = ['table', 'column.name', 'column.qualifier', 'column.type', 
+                  'column.is_array', 'column.description', 'column.default', 'key', 'capability']
+        #fields = ['table', 'column.column',
+        #          'column.description','column.header', 'column.title',
+        #          'column.unit', 'column.info_type',
+        #          'column.resource_type', 'column.value_type',
+        #          'column.allowed_values', 'column.platforms.platform',
+        #          'column.platforms.platform_url']
+        request={ 'action': 'get',
+                  'object': 'local:object', # proposed to replace metadata:table
+                  'fields':  fields ,
+                  }
+        result = manifold_api.forward(request)
+
+        # xxx need a way to export error messages to the UI
+        if result['code'] == 1: # warning
+            # messages.warning(request, result['description'])
+            print ("METADATA WARNING -",request,result['description'])
+        elif result['code'] == 2:
+            # messages.error(request, result['description'])
+            print ("METADATA ERROR -",request,result['description'])
+            # XXX FAIL HERE XXX
+            return
+
+        rows = result.ok_value()
+# API errors will be handled by the outer logic
+#        if not rows:
+#            print "Failed to retrieve metadata",rows_result.error()
+#            rows=[]
         self.hash_by_object = dict ( [ (row['table'], row) for row in rows ] )
-        # save for next time we use offline mode
-        if debug:
-            with file(offline_filename,'w') as f:
-                f.write(json.dumps(self.hash_by_object))
 
     def to_json(self):
         return json.dumps(self.hash_by_object)
@@ -57,4 +55,8 @@ class MetaData:
         return self.hash_by_object[object]
 
     def sorted_fields_by_object (self, object):
-        return self.hash_by_object[object]['columns'].sort()
+        return self.hash_by_object[object]['column'].sort()
+
+    def get_field_type(self, object, field):
+        if debug: print "Temp fix for metadata::get_field_type() -> consider moving to manifold.core.metadata soon"
+        return field