From 4522319a38e5c8f463f20f6941b9390b78053daa Mon Sep 17 00:00:00 2001
From: Olusesan Ameye <ses66181@gmail.com>
Date: Thu, 14 Mar 2019 01:48:00 +0000
Subject: [PATCH] Backend Service

---
 mermsemr/src/include/common_tool.h           | 10 ++
 mermsemr/src/shared_tool/common_tool.cc      | 97 ++++++++++++++++++++
 mermsemr/src/shared_tool/function_members.cc |  9 +-
 3 files changed, 115 insertions(+), 1 deletion(-)
 create mode 100644 mermsemr/src/include/common_tool.h
 create mode 100644 mermsemr/src/shared_tool/common_tool.cc

diff --git a/mermsemr/src/include/common_tool.h b/mermsemr/src/include/common_tool.h
new file mode 100644
index 0000000..359eeb8
--- /dev/null
+++ b/mermsemr/src/include/common_tool.h
@@ -0,0 +1,10 @@
+#ifndef __mx_common_tool_h__
+#define __mx_common_tool_h__
+
+#include "vars.h"
+
+//void Confirmation( unsigned long  payment_id, char * number, int sz );
+void GetMemberAccountLink( long member_id, unsigned long  acc_link, char * number);
+void GenerateInnerConfirmationSeed( char * number, int sz, int seed );
+#endif
+
diff --git a/mermsemr/src/shared_tool/common_tool.cc b/mermsemr/src/shared_tool/common_tool.cc
new file mode 100644
index 0000000..3e459a2
--- /dev/null
+++ b/mermsemr/src/shared_tool/common_tool.cc
@@ -0,0 +1,97 @@
+#include "common_tool.h"
+#include "clog.h"
+#include "cgi.h"
+#include "input.h"
+#include "mermsemr_api.h"
+#include "safestring.h"
+#include "cfg.h"
+#include <string>
+#include "pgsql_wrapper.h"
+#include "pgsql.h"
+
+//char confirmation[20] = "";
+//Confirmation(payment_id, confirmation, sizeof (confirmation));
+
+
+
+
+void GenerateInnerConfirmationSeed( char * number, int sz, int seed )
+{
+        char chars[] = "WRB01234WRB56789WRB";
+        int n = sizeof(chars);
+        int i;
+/*
+        time_t t;
+        time( &t );
+        pid_t pid = getpid();
+
+        srand(t+pid);
+*/
+	srand((unsigned int)time((time_t *)NULL));
+
+        for ( i=0; i<10 && i<sz-1; i++ )
+        {
+		int k = seed%n;
+		if (seed>1 && k==i) {
+			number[i] = chars[n-k];
+		} else {
+                	number[i] = chars[ (int) ( (n-1.0)*rand()/(RAND_MAX+1.0)) ];
+		}
+        }
+        number[i] = 0;
+}
+
+
+
+void ConfirmationNew( unsigned long  payment_id, char * number, int sz )
+{
+	SQLINTEGER rows;
+	char confirmation[11];
+
+   // Lock table to prevent generation of two identical confirmation numbers
+	pgsql_exec("BEGIN; LOCK TABLE members_payments;" );
+	int i = 0;
+	do
+	{
+		GenerateInnerConfirmationSeed( confirmation, sizeof(confirmation), i++ );
+
+        	//st.CloseCursor();
+			rows = 0;		
+			const PGresult *res = pgsql_query("SELECT id FROM members_payments WHERE confirmation='%s'", confirmation );
+			if (res!=NULL )						
+			{
+			    rows = pgsql_num_rows(res);
+			}
+	} while ( rows>0 && i<100 );
+	
+	pgsql_exec("UPDATE members_payments SET confirmation='%s', dt_confirmed=now() WHERE id=%lu", confirmation, payment_id );
+	pgsql_exec("COMMIT" );         // Unlock table 'data'
+	strsafecpy( number, confirmation, sz );
+}
+
+
+void GetMemberAccountLink( long member_id, unsigned long  acc_link, char * number )
+{
+	SQLINTEGER rows;
+	char offer_code[14];
+
+   // Lock table to prevent generation of two identical confirmation numbers
+	pgsql_exec("BEGIN; LOCK TABLE members_jobs_offer;" );
+	int i = 0;
+	do
+	{
+		GenerateInnerConfirmationSeed( offer_code, sizeof(offer_code), i++ );
+
+        	//st.CloseCursor();
+			rows = 0;		
+			const PGresult *res = pgsql_query("SELECT id FROM members WHERE  offer_code='%s'", offer_code );
+			if (res!=NULL )						
+			{
+			    rows = pgsql_num_rows(res);
+			}
+	} while ( rows>0 && i<100 );
+
+	pgsql_exec("UPDATE members_jobs_offer SET acc_link='%s' WHERE id=%lu", offer_code, member_id );
+	pgsql_exec("COMMIT" );         // Unlock table 'data'
+//	strsafecpy( acc_link, offer_code, sz );
+}
diff --git a/mermsemr/src/shared_tool/function_members.cc b/mermsemr/src/shared_tool/function_members.cc
index 19ee670..fe0f4ae 100644
--- a/mermsemr/src/shared_tool/function_members.cc
+++ b/mermsemr/src/shared_tool/function_members.cc
@@ -13,6 +13,9 @@
 #include <algorithm> 
 #include <cctype>
 #include <locale>
+
+
+
 /*
 #include <stdio.h>
 #include <stdlib.h>
@@ -21,7 +24,7 @@
 
 /* -- */
 #include "function_members.h"
-
+#include "common_tool.h"
 
 long MemberLogin(CVars in, CVars &out) {
     long ret = PHP_API_BAD_PARAM;
@@ -40,6 +43,10 @@ long MemberLogin(CVars in, CVars &out) {
             if (MemberSessionCheck(out["member_id"].Long(), out["sessionid"].c_str(), 1) > 0) {
 
 				out["acc_link"] = "ME345FT6789";
+				  char acc_link[11];
+                 // GetMemberAccountLink(out["member_id"].Long(),acc_link, sizeof (acc_link) );
+				 // out["acc_link"] = acc_link;
+				
                 out["stauts"] = "OK";
                 /*LOAD THE SESSION INTO OUT now */
                 load_db_record(out, "SELECT session FROM members_session WHERE member_id=%lu ORDER BY id DESC LIMIT 1", out["member_id"].Long());