Add the toJson() method to the database model

drogon_ctl/templates/model_cc.csp

@@ -300,3 +300,28 @@ void {{className}}::updateArgs(drogon::orm::internal::SqlBinder &binder) const
     }
 %>
 }
+
+Json::Value {{className}}::toJson() const
+{
+    Json::Value ret;
+<%c++for(auto col:cols){%>
+    if(get<%c++$$<<col._colTypeName;%>())
+    {
+<%c++if(col._colDatabaseType=="date"){%>
+        ret["<%c++$$<<col._colName;%>"]=get<%c++$$<<col._colTypeName;%>()->toCustomedFormattedStringLocal("%Y-%m-%d", false);
+<%c++}else if(col._colDatabaseType.find("timestamp")!=std::string::npos){%>
+        ret["<%c++$$<<col._colName;%>"]=get<%c++$$<<col._colTypeName;%>()->toCustomedFormattedStringLocal("%Y-%m-%d %H:%M:%S", true);
+<%c++}else if(col._colDatabaseType=="bytea"){%>
+        ret["<%c++$$<<col._colName;%>"]=drogon::base64Encode((const unsigned char *)get<%c++$$<<col._colTypeName;%>()->data(),get<%c++$$<<col._colTypeName;%>()->size());
+<%c++}else{%>
+        ret["<%c++$$<<col._colName;%>"]=getValueOf<%c++$$<<col._colTypeName;%>();
+<%c++}%>
+    }
+    else
+    {
+        ret["<%c++$$<<col._colName;%>"]=Json::Value();
+    }
+<%c++
+}%>
+    return ret;
+}

drogon_ctl/templates/model_h.csp

@@ -13,6 +13,7 @@ using namespace drogon_ctl;
 #include <drogon/orm/Field.h>
 #include <drogon/orm/SqlBinder.h>
 #include <trantor/utils/Date.h>
+#include <json/json.h>
 #include <string>
 #include <memory>
 #include <vector>
@@ -112,6 +113,8 @@ auto cols=@@.get<std::vector<ColumnInfo>>("columns");
     const std::vector<std::string> updateColumns() const;
     void updateArgs(drogon::orm::internal::SqlBinder &binder) const;
 
+    Json::Value toJson() const;
+
   private:
 <%c++
     for(auto col:cols)

lib/inc/drogon/utils/Utilities.h

@@ -27,7 +27,7 @@ std::string binaryStringToHex(unsigned char *ptr, size_t length);
 std::string hexToBinaryString(unsigned char *ptr, size_t length);
 std::vector<std::string> splitString(const std::string &str, const std::string &separator);
 std::string getuuid();
-std::string base64Encode(unsigned char const *bytes_to_encode, unsigned int in_len);
+std::string base64Encode(const unsigned char *bytes_to_encode, unsigned int in_len);
 std::string base64Decode(std::string const &encoded_string);
 std::string urlDecode(const std::string &szToDecode);
 int gzipCompress(const char *data, const size_t ndata,

lib/src/Utilities.cc

@@ -170,7 +170,7 @@ std::string getuuid()
     return binaryStringToHex(uu, 16);
 }
 
-std::string base64Encode(unsigned char const *bytes_to_encode, unsigned int in_len)
+std::string base64Encode(const unsigned char *bytes_to_encode, unsigned int in_len)
 {
     std::string ret;
     int i = 0;