From 7564c35d192a12247dd2fbd7f6cc8f25c8d860dc Mon Sep 17 00:00:00 2001
From: Marko Budiselic <mbudiselicbuda@gmail.com>
Date: Sat, 7 Nov 2015 11:31:36 +0100
Subject: [PATCH] Empty relationship resource was added and Graph object knows
 how to find a vertex

---
 api/resources/node.hpp         | 19 ++-----------------
 api/resources/relationship.hpp | 31 +++++++++++++++++++++++++++++++
 storage/graph.hpp              | 21 +++++++++++++++++++++
 3 files changed, 54 insertions(+), 17 deletions(-)
 create mode 100644 api/resources/relationship.hpp

diff --git a/api/resources/node.hpp b/api/resources/node.hpp
index 9af7e155e..3d8fd5034 100644
--- a/api/resources/node.hpp
+++ b/api/resources/node.hpp
@@ -70,23 +70,8 @@ public:
         task->run([this, &req]() -> Vertex* {
             // read id param
             uint64_t id = std::stoull(req.params[0]); 
-
-            // get atom iterator
-            auto atom_it = db->graph.vertices.begin();
-            
-            // find the right atom
-            // TODO: better implementation
-            while (true) {
-                if (id == atom_it->id) {
-                    // TODO: return latest version
-                    return atom_it->first();
-                }
-                if (!atom_it.has_next())
-                    break;
-                ++atom_it;
-            }
-
-            return nullptr;
+            // TODO: transaction?
+            return db->graph.find_vertex(id);
         },
         [&req, &res](Vertex* node) {
             if (node == nullptr) {
diff --git a/api/resources/relationship.hpp b/api/resources/relationship.hpp
new file mode 100644
index 000000000..80576bf84
--- /dev/null
+++ b/api/resources/relationship.hpp
@@ -0,0 +1,31 @@
+#ifndef MEMGRAPH_API_RESOURCES_RELATIONSHIP_HPP
+#define MEMGRAPH_API_RESOURCES_RELATIONSHIP_HPP
+
+#include "api/restful/resource.hpp"
+
+#pragma url /relationship
+class Relationships : public Resource<Relationships, POST>
+{
+public:
+    using Resource::Resource;
+
+    void post(sp::Request& req, sp::Response& res)
+    {
+        return res.send("POST /db/data/relationship");
+    }
+
+};
+
+#pragma url /relationship/{id:\\d+}
+class Relationship : public Resource<Relationship, GET>
+{
+public:
+    using Resource::Resource;
+
+    void get(sp::Request& req, sp::Response& res)
+    {
+        return res.send("GET /db/data/relationship");
+    }
+};
+
+#endif
diff --git a/storage/graph.hpp b/storage/graph.hpp
index c75cf4e2f..e61e5b974 100644
--- a/storage/graph.hpp
+++ b/storage/graph.hpp
@@ -38,6 +38,27 @@ public:
          return edges.insert(t);
     }
 
+    // TODO: this should probably return mvcc::Atom<Vertex>*
+    Vertex* find_vertex(uint64_t id)
+    {
+            // get atom iterator
+            auto atom_it = vertices.begin();
+            
+            // find the right atom
+            // TODO: better implementation
+            while (true) {
+                if (id == atom_it->id) {
+                    // TODO: return latest version
+                    return atom_it->first();
+                }
+                if (!atom_it.has_next())
+                    break;
+                ++atom_it;
+            }
+
+            return nullptr;
+    }
+
     VertexStore vertices;
     EdgeStore edges;
 };