96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
#ifndef MEMGRAPH_API_RESOURCES_NODE_HPP
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#define MEMGRAPH_API_RESOURCES_NODE_HPP
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#include <random>
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#include "api/restful/resource.hpp"
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#include "debug/log.hpp"
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#pragma url /node
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class Nodes : public Resource<Nodes, POST>
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{
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public:
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using Resource::Resource;
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void post(sp::Request& req, sp::Response& res)
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{
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task->run([this, &req]() {
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// start a new transaction and obtain a reference to it
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auto t = db->tx_engine.begin();
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// insert a new vertex in the graph
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auto atom = db->graph.vertices.insert(t);
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// a new version was created and we got an atom along with the
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// first version. obtain a pointer to the first version
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//
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// nullptr
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// ^
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// |
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// [Vertex v1]
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// ^
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// |
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// [Atom id=k] k {1, 2, ...}
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//
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auto node = atom->first();
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// TODO: req.json can be empty
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// probably there is some other place to handle
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// emptiness of req.json
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// first version
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//
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// for(key, value in body)
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// node->properties[key] = value;
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for(auto it = req.json.MemberBegin(); it != req.json.MemberEnd(); ++it)
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{
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node->properties.emplace<String>(it->name.GetString(), it->value.GetString());
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}
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// commit the transaction
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db->tx_engine.commit(t);
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// return the node we created so we can send it as a response body
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return node;
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},
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[&req, &res](Vertex* node) {
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return res.send(properties_to_string(node));
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});
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}
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};
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#pragma url /node/{id:\\d+}
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class Node : public Resource<Node, GET, PUT, DELETE>
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{
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public:
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using Resource::Resource;
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void get(sp::Request& req, sp::Response& res)
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{
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task->run([this, &req]() -> Vertex* {
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// read id param
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Id id(std::stoull(req.params[0]));
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// TODO: transaction?
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return db->graph.find_vertex(id);
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},
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[&req, &res](Vertex* node) {
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if (node == nullptr) {
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return res.send(http::Status::NotFound, "The node was not found");
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}
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return res.send(properties_to_string(node));
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});
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}
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void put(sp::Request& req, sp::Response& res)
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{
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return res.send("TODO");
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}
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void del(sp::Request& req, sp::Response& res)
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{
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return res.send("TODO");
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}
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};
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#endif
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