From 85e1431aa382f721e3b51804ca0b00ab063553ef Mon Sep 17 00:00:00 2001
From: neodarz <neodarz@neodarz.net>
Date: Thu, 8 Aug 2019 19:07:02 +0200
Subject: Add ability to delete an uobject

---
 api/umosapi.cpp | 18 ++++++++++++++++++
 api/umosapi.h   |  2 ++
 db/uobject.cpp  | 33 +++++++++++++++++++++++++++++++++
 db/uobject.h    |  4 ++++
 4 files changed, 57 insertions(+)

diff --git a/api/umosapi.cpp b/api/umosapi.cpp
index de2a693..6be8690 100644
--- a/api/umosapi.cpp
+++ b/api/umosapi.cpp
@@ -104,6 +104,15 @@ void UmosapiService::createDescription() {
         .parameter<Rest::Type::String>("mcollection", "Name of the collection where the uobjects are located")
         .response(Http::Code::Ok, "Uobject created")
         .response(backendErrorResponse);
+
+    versionPath
+        .route(desc.del("/:mcollection/:oid"))
+        .bind(&UmosapiService::UmosapiService::deleteUObject, this)
+        .produces(MIME(Application, Json))
+        .parameter<Rest::Type::String>("mcollection", "Name of the collection where the uobjects are located")
+        .parameter<Rest::Type::String>("oid", "MongoDB oid of the uobject")
+        .response(Http::Code::Ok, "Uobject deleted")
+        .response(backendErrorResponse);
 }
 
 void UmosapiService::retrieveAll(const Rest::Request& request, Http::ResponseWriter response) {
@@ -122,3 +131,12 @@ void UmosapiService::addUObject(const Rest::Request& request, Http::ResponseWrit
     response.send(Http::Code::Ok, json_string, MIME(Application, Json));
     json_object_put(jsonObject);
 }
+
+void UmosapiService::deleteUObject(const Rest::Request& request, Http::ResponseWriter response) {
+
+    auto jsonObjet = json_object_new_object();
+
+    auto json_string = uobject::remove(request.param(":mcollection").as<string>(), request.param(":oid").as<string>(), jsonObjet);
+
+    response.send(Http::Code::Ok, json_string, MIME(Application, Json));
+}
diff --git a/api/umosapi.h b/api/umosapi.h
index 684f9d5..2e5e343 100644
--- a/api/umosapi.h
+++ b/api/umosapi.h
@@ -26,6 +26,8 @@ class UmosapiService {
 
         void addUObject(const Rest::Request& request, Http::ResponseWriter response);
 
+        void deleteUObject(const Rest::Request& request, Http::ResponseWriter response);
+
         std::shared_ptr<Http::Endpoint> httpEndpoint;
         Rest::Description desc;
         Rest::Router router;
diff --git a/db/uobject.cpp b/db/uobject.cpp
index 087c482..59a5b0b 100644
--- a/db/uobject.cpp
+++ b/db/uobject.cpp
@@ -1,5 +1,8 @@
 #include "uobject.h"
 
+using bsoncxx::builder::basic::kvp;
+using bsoncxx::builder::basic::make_document;
+
 std::string uobject::retrieveAll(std::string collection, struct json_object* jsonObjects) {
 
     auto conn = mongo.get_connection();
@@ -69,3 +72,33 @@ auto conn = mongo.get_connection();
 
     return json_object_to_json_string_ext(jsonObject, JSON_C_TO_STRING_SPACED | JSON_C_TO_STRING_PRETTY);
 }
+
+std::string uobject::remove(std::string collection, std::string oid, struct json_object* jsonObject) {
+    auto conn = mongo.get_connection();
+
+    auto coll = (*conn)[config["mongo_db"]][collection];
+
+    auto result = coll.delete_one(make_document(kvp("_id", bsoncxx::oid(oid))));
+
+
+    if (result->deleted_count() > 0) {
+        /* Create an object with the following template:
+            * {
+            *  "_id": {
+            *      "$oid": "5d484d371ec4865f767d8424"
+            *  },
+            *  "datas": {
+            *      [...]
+            *  }
+            * }
+        */
+
+        auto json_id = json_object_new_object();
+        auto json_oid = json_object_new_string(oid.c_str());
+
+        json_object_object_add(json_id, "$oid", json_oid);
+        json_object_object_add(jsonObject, "_id", json_id);
+        json_object_object_add(jsonObject, "datas", {});
+    }
+    return json_object_to_json_string_ext(jsonObject, JSON_C_TO_STRING_SPACED | JSON_C_TO_STRING_PRETTY);
+}
diff --git a/db/uobject.h b/db/uobject.h
index e08429f..3e0fd1e 100644
--- a/db/uobject.h
+++ b/db/uobject.h
@@ -2,6 +2,9 @@
 #define Uobject_H_
 
 #include <bsoncxx/builder/stream/document.hpp>
+#include <bsoncxx/builder/basic/kvp.hpp>
+#include <bsoncxx/oid.hpp>
+
 #include <bsoncxx/json.hpp>
 
 #include <mongocxx/client.hpp>
@@ -19,6 +22,7 @@
 namespace uobject {
     std::string retrieveAll(std::string collection, struct json_object* jsonObjects);
     std::string add(std::string collection, struct json_object* jsonObjects, const char * body);
+    std::string remove(std::string collection, std::string oid, struct json_object* jsonObjects);
 }
 
 #endif
-- 
cgit v1.2.1