Add utils files

dataproc/api/models/nodeutils.py

+from abc import ABCMeta
+from neomodel import db
+
+
+class NodeUtils:
+    __metaclass__ = ABCMeta
+
+
+    def serialize_relationships(self, nodes):
+        serialized_nodes = []
+        for node in nodes:
+            # serialize node
+            serialized_node = node.serialize
+
+            # UNCOMMENT to get relationship type
+            # results, colums = self.cypher('''
+            #     START start_node=node({self}), end_node=node({end_node})
+            #     MATCH (start_node)-[rel]-(end_node)
+            #     RETURN type(rel) as node_relationship
+            #     ''',
+            #     {'end_node': node.id}
+            # )
+            # serialized_node['node_relationship'] = results[0][0]
+
+            serialized_nodes.append(serialized_node)
+
+        return serialized_nodes

dataproc/api/utils.py

+from api.models.user_model import User
+from api.models.construct_model import Construct
+
+MODEL_ENTITIES = {
+'Construct': Construct,
+'User': User
+}
+
+def fetch_nodes(fetch_info):
+    node_type       = fetch_info['node_type']
+    search_word     = fetch_info['name']
+    country         = fetch_info['country']
+    limit           = fetch_info['limit']
+    start           = ((fetch_info['page'] - 1) * limit)
+    end             = start + limit
+    jurisdiction    = fetch_info['jurisdiction']
+    node_set        = filter_nodes(MODEL_ENTITIES[node_type], search_word, country, jurisdiction)
+    fetched_nodes   = node_set[start:end]
+
+    return [node.serialize for node in fetched_nodes]
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