From f5f9916b933359e04702c63d1b2b3630a9a00e9f Mon Sep 17 00:00:00 2001
From: moneroexamples <moneroexamples@tuta.io>
Date: Thu, 4 May 2017 08:43:00 +0800
Subject: [PATCH] myxmr::jsonresponse class added

---
 main.cpp | 58 ++++++++++++++++++++++++--------------------------------
 1 file changed, 25 insertions(+), 33 deletions(-)

diff --git a/main.cpp b/main.cpp
index 4e1d2fc..eec2dea 100644
--- a/main.cpp
+++ b/main.cpp
@@ -13,6 +13,21 @@ using boost::filesystem::path;
 
 using namespace std;
 
+namespace myxmr
+{
+struct jsonresponse: crow::response
+{
+    jsonresponse(const nlohmann::json& _body) : crow::response {_body.dump()}
+    {
+        add_header("Access-Control-Allow-Origin", "*");
+        add_header("Access-Control-Allow-Headers", "Content-Type");
+        add_header("Content-Type", "application/json");
+    }
+};
+}
+
+
+
 int main(int ac, const char* av[]) {
 
     // get command line options
@@ -343,11 +358,7 @@ int main(int ac, const char* av[]) {
         CROW_ROUTE(app, "/api/transaction/<string>")
         ([&](const crow::request &req, string tx_hash) {
 
-            crow::response r{xmrblocks.json_transaction(tx_hash).dump()};
-
-            r.add_header("Access-Control-Allow-Origin", "*");
-            r.add_header("Access-Control-Allow-Headers", "Content-Type");
-            r.add_header("Content-Type", "application/json");
+            myxmr::jsonresponse r{xmrblocks.json_transaction(tx_hash)};
 
             return r;
         });
@@ -355,11 +366,7 @@ int main(int ac, const char* av[]) {
         CROW_ROUTE(app, "/api/block/<string>")
         ([&](const crow::request &req, string block_no_or_hash) {
 
-            crow::response r{xmrblocks.json_block(block_no_or_hash).dump()};
-
-            r.add_header("Access-Control-Allow-Origin", "*");
-            r.add_header("Access-Control-Allow-Headers", "Content-Type");
-            r.add_header("Content-Type", "application/json");
+            myxmr::jsonresponse r{xmrblocks.json_block(block_no_or_hash)};
 
             return r;
         });
@@ -374,11 +381,7 @@ int main(int ac, const char* av[]) {
             string limit = regex_search(req.raw_url, regex {"limit=\\d+"}) ?
                            req.url_params.get("limit") : "25";
 
-            crow::response r{xmrblocks.json_transactions(page, limit).dump()};
-
-            r.add_header("Access-Control-Allow-Origin", "*");
-            r.add_header("Access-Control-Allow-Headers", "Content-Type");
-            r.add_header("Content-Type", "application/json");
+            myxmr::jsonresponse r{xmrblocks.json_transactions(page, limit)};
 
             return r;
         });
@@ -386,11 +389,7 @@ int main(int ac, const char* av[]) {
         CROW_ROUTE(app, "/api/mempool")
         ([&](const crow::request &req) {
 
-            crow::response r{xmrblocks.json_mempool().dump()};
-
-            r.add_header("Access-Control-Allow-Origin", "*");
-            r.add_header("Access-Control-Allow-Headers", "Content-Type");
-            r.add_header("Content-Type", "application/json");
+            myxmr::jsonresponse r{xmrblocks.json_mempool()};
 
             return r;
         });
@@ -398,11 +397,7 @@ int main(int ac, const char* av[]) {
         CROW_ROUTE(app, "/api/search/<string>")
         ([&](const crow::request &req, string search_value) {
 
-            crow::response r{xmrblocks.json_search(search_value).dump()};
-
-            r.add_header("Access-Control-Allow-Origin", "*");
-            r.add_header("Access-Control-Allow-Headers", "Content-Type");
-            r.add_header("Content-Type", "application/json");
+            myxmr::jsonresponse r{xmrblocks.json_search(search_value)};
 
             return r;
         });
@@ -421,21 +416,18 @@ int main(int ac, const char* av[]) {
 
             bool tx_prove{false};
 
-            try {
+            try
+            {
                 tx_prove = regex_search(req.raw_url, regex {"txprove=[01]"}) ?
                            boost::lexical_cast<bool>(req.url_params.get("txprove")) :
                            false;
             }
-            catch (const boost::bad_lexical_cast &e) {
+            catch (const boost::bad_lexical_cast &e)
+            {
                 cerr << "Cant parse tx_prove as bool. Using default value" << endl;
             }
 
-            crow::response r{xmrblocks.json_outputs(
-                    tx_hash, address, viewkey, tx_prove).dump()};
-
-            r.add_header("Access-Control-Allow-Origin", "*");
-            r.add_header("Access-Control-Allow-Headers", "Content-Type");
-            r.add_header("Content-Type", "application/json");
+            myxmr::jsonresponse r{xmrblocks.json_outputs(tx_hash, address, viewkey, tx_prove)};
 
             return r;
         });