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//put it in App_Code

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using CMS.CMSHelper;
using CMS.DocumentEngine;
using CMS.EmailEngine;
using CMS.EventLog;
using CMS.EventManager;
using CMS.GlobalHelper;
using CMS.PortalEngine;
using CMS.SettingsProvider;
using CMS.SiteProvider;
using CMS.WorkflowEngine;

using Microsoft.Xrm.Client;
using Microsoft.Xrm.Client.Services;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Messages;
using Microsoft.Xrm.Sdk.Metadata;
using System.Collections;
using CMS.PortalControls;
using CMS.DataEngine;
using CMS.Helpers;

/// <summary>
/// Summary description for CrmHelper
/// </summary>
public class CrmHelper
{

    public CrmConnection Connect()
    {

        bool CWA_IsDynamicsCrmLiveMode = ValidationHelper.GetBoolean(SettingsKeyInfoProvider.GetBoolValue(SiteContext.CurrentSiteName + ".CWA_IsDynamicsCrmLiveMode"), false);
        string CWA_DevDynamicsCrmUrl = ValidationHelper.GetString(SettingsKeyInfoProvider.GetValue(SiteContext.CurrentSiteName + ".CWA_DevDynamicsCrmUrl"), "");
        string CWA_DevDynamicsCrmUsername = ValidationHelper.GetString(SettingsKeyInfoProvider.GetValue(SiteContext.CurrentSiteName + ".CWA_DevDynamicsCrmUsername"), "");
        string CWA_DevDynamicsCrmPassword = ValidationHelper.GetString(SettingsKeyInfoProvider.GetValue(SiteContext.CurrentSiteName + ".CWA_DevDynamicsCrmPassword"), "");
        string CWA_ProdDynamicsCrmUrl = ValidationHelper.GetString(SettingsKeyInfoProvider.GetValue(SiteContext.CurrentSiteName + ".CWA_ProdDynamicsCrmUrl"), "");
        string CWA_ProdDynamicsCrmUsername = ValidationHelper.GetString(SettingsKeyInfoProvider.GetValue(SiteContext.CurrentSiteName + ".CWA_ProdDynamicsCrmUsername"), "");
        string CWA_ProdDynamicsCrmPassword = ValidationHelper.GetString(SettingsKeyInfoProvider.GetValue(SiteContext.CurrentSiteName + ".CWA_ProdDynamicsCrmPassword"), "");

        string connectionStringCrm = "Url={0}; Username={1}; Password={2};";
        string crmUrl = CWA_IsDynamicsCrmLiveMode ? CWA_ProdDynamicsCrmUrl : CWA_DevDynamicsCrmUrl;
        string crmUsername = CWA_IsDynamicsCrmLiveMode ? CWA_ProdDynamicsCrmUsername : CWA_DevDynamicsCrmUsername;
        string crmPassword = CWA_IsDynamicsCrmLiveMode ? CWA_ProdDynamicsCrmPassword : CWA_DevDynamicsCrmPassword;

        EventLogProvider.LogInformation("CrmConnection", "Connection Data", string.Format("Url: {0}, Username: {1}, Password: {2}, Live: {3}", crmUrl, crmUsername, crmPassword, CWA_IsDynamicsCrmLiveMode));

        CrmConnection crmConnection = CrmConnection.Parse(string.Format(connectionStringCrm, crmUrl, crmUsername, crmPassword));
        return crmConnection;
    }


    public bool Subscribe(string email, string firstName, string lastName, string profession1, string profession2, string publications)
    {
        try
        {
            CrmConnection crmConnection = Connect();
            OrganizationService service;
            service = new OrganizationService(crmConnection);
            OrganizationServiceContext orgContext = new OrganizationServiceContext(service);
            string profession = string.Format("{0} - {1}", profession1.Trim(), profession2.Trim());
            var request = new OrganizationRequest("nps_subscribeUnsubscribe");
            request["email"] = email;
            request["firstName"] = firstName;
            request["lastName"] = lastName;
            request["profession"] = profession;
            request["publications"] = publications;
            request["subscribeUnsubscribe"] = 1;
            var response = service.Execute(request);
            crmConnection = null;

            EventLogProvider.LogInformation("CrmConnection", "Success", string.Format("email: {0}, firstname: {1}, lastname: {2}, profession1: {3}, profession2: {4}, publications {5}", email, firstName, lastName, profession1, profession2, publications));
            return true;
        }

        catch (Exception ex)
        {
            EventLogProvider.LogException("CrmConnection", "Fail", ex);
            return false;
        }
    }

}


//put it in App_Code, used in scheduled tasks

using System;
using CMS;
using CMS.DataEngine;
using CMS.Helpers;
using CMS.OnlineForms;
using CMS.SiteProvider;
using CMS.Scheduler;

/// <summary>
/// Summary description for TransferDataToCrm
/// </summary>
/// 
[assembly: RegisterCustomClass("TransferDataToCrm", typeof(TransferDataToCrm))]
public class TransferDataToCrm : ITask
{
    public string Execute(TaskInfo ti)
    {
        BizFormInfo formObject = BizFormInfoProvider.GetBizFormInfo("Newsletter", SiteContext.CurrentSiteID);
        DataClassInfo formClass = DataClassInfoProvider.GetDataClassInfo(formObject.FormClassID);

        string className = formClass.ClassName;
        ObjectQuery<BizFormItem> data = BizFormItemProvider.GetItems(className).WhereEmpty("SendCrmDateTime");

        bool success = false;
        if (DataHelper.DataSourceIsEmpty(data))
        {
            success = true;
        }
        else
        { 
            foreach (BizFormItem item in data)
            {
                string givenNameFieldValue = item.GetStringValue("GivenName", "");
                string lastNameFieldValue = item.GetStringValue("LastName", "");
                string emailFieldValue = item.GetStringValue("Email", "");
                string ddlIamaFieldValue = item.GetStringValue("ddlIama", "");
                string ddlSpecialiseFieldValue = item.GetStringValue("ddlSpecialise", "");
                string publications = "e-706";
                string SendCrmDateTime = item.GetStringValue("SendCrmDateTime", "");

                var helper = new CrmHelper();
                success = helper.Subscribe(emailFieldValue, givenNameFieldValue, lastNameFieldValue, ddlIamaFieldValue, ddlSpecialiseFieldValue, publications);
                if (success)
                {
                    DateTime currentTime = DateTime.Now;
                    item.SetValue("SendCrmDateTime", currentTime.ToString());
                    item.SubmitChanges(false);
                }
            }
        }

        return String.Format("Result: {0}", success ? "True" : " False");
    }

}

//then in Module/Custom Setting, create properties for CrmHelper file, and give the value to these properties in setting