Template | C# Online Compiler

Template by Bryan C

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace MacroReplacements.Models
{

    /* MODELS */
    public class PageViewModel
    {
        public string PageTitle { get; set; }
        public string HeadingColor { get; set; }
        public string MainContent { get; set; }
    }
    public class MerchantPageViewModel : PageViewModel
    {
        public MerchantDetailModel MerchantDetail { get; set; }
        public string[] RelatedMerchantContent { get; set; }
    }

    public class MerchantModel
    {
        public string MerchantName { get; set; }
        public string MerchantImageSrc { get; set; }
        public string MerchantDescription { get; set; }
    }

    public class MerchantDetailModel : MerchantModel
    {
        public int CashBackPercent { get; set; }
        public IEnumerable<MerchantModel> RelatedMerchants { get; set; }
    }

    public class PageSettings
    {
        public string NavigationTabText { get; set; }
        public string NavigationTabBackgroundColor { get; set; }
        public string NavigationTabIconHtml { get; set; }
    }

    /* MACRO MODELS */
    public class Macro<TParams>
    {
        public string Key { get; set; }
        public string Name { get; set; }
        public string Description { get; set; }
        public Func<TParams, string> Substitution { get; set; }
    }

    public class ReplaceMacrosResult
    {
        public ReplaceMacrosResult()
        {
            ResponseMessage = new List<string>();
            Errors = new List<string>();
        }
        public static ReplaceMacrosResult CreateSuccessResult(string result, List<string> responseMessage = null, List<string> errors = null)
        {
            return new ReplaceMacrosResult()
            {
                Success = true,
                Result = result,
                ResponseMessage = responseMessage ?? new List<string>(),
                Errors = errors ?? new List<string>()
            };
        }
        public string Result { get; set; }
        public bool Success { get; set; }
        public List<string> ResponseMessage { get; set; }
        public List<string> Errors { get; set; }
    }

    /* INTERFACES */

    public interface IMacroCollectionParser<TParams>
    {
        bool DoesTextContainMacro(string text, string macroKey);
        bool DoesTextContainAnyMacros(string text);
        IReadOnlyCollection<Macro<TParams>> GetMacros();
        ReplaceMacrosResult GetReplaceMacrosResult(string str, TParams src);
    }

    /* IMPLEMENTATIONS */

    public abstract class BaseMacroCollectionParser<TParams> : IMacroCollectionParser<TParams>
    {
        public abstract IReadOnlyCollection<Macro<TParams>> GetMacros();

        public virtual ReplaceMacrosResult GetReplaceMacrosResult(string str, TParams src)
        {
            var result = ReplaceMacrosResult.CreateSuccessResult(str);

            if (!DoesTextContainAnyMacros(str))
            {
                result.ResponseMessage.Add("Content had no macros to replace");
                return result;
            }

            var macros = GetMacros();
            if (macros == null)
            {
                result.ResponseMessage.Add("Macro could not be parsed because it was null");
                return result;
            }

            foreach (var macro in macros)
            {
                try
                {
                    result.Result = ReplaceMacrosInString(result.Result, src, macro);
                }
                catch (Exception e)
                {
                    result.Success = false;
                    result.Errors.Add("There was an error handling macro with key: {" + macro.Key + "}");
                }
            }

            return result;
        }

        public string ReplaceMacrosInString(string str, TParams src, Macro<TParams> macro)
        {
            if (macro == null) return str;
            var input = str;
            var pattern = macro.Key;
            var replacement = macro.Substitution(src);

            var replacedInput = Regex.Replace(input, "\\{" + pattern + "+\\}", replacement ?? string.Empty);
            return replacedInput;
        }

        public bool DoesTextContainMacro(string text, string macroKey)
        {
            if (string.IsNullOrEmpty(text))
            {
                return false;
            }
            var macros = GetMacros();
            var filteredMacros = macros
                .Where(m => m.Key == macroKey || macroKey == null)
                .Where(m => !string.IsNullOrEmpty(m.Key))
                .Select(r => r.Key);
            return filteredMacros != null
                && filteredMacros.Any(m => text.IndexOf(m, StringComparison.CurrentCultureIgnoreCase) >= 0);
        }

        public bool DoesTextContainAnyMacros(string text)
        {
            return DoesTextContainMacro(text, null);
        }
    }


    /* PAGE MACRO HANDLING ****** */
    public class PageMacrosParser : BaseMacroCollectionParser<PageSettings>
    {
        public override IReadOnlyCollection<Macro<PageSettings>> GetMacros()
        {
            return GetPageMacros().ToList();
        }

        private IEnumerable<Macro<PageSettings>> GetPageMacros()
        {
            yield return new Macro<PageSettings>
            {
                Key = "pageTitle",
                Name = "Page Title",
                Description = "The title of the page.",
                Substitution = m => m.NavigationTabText
            };
            yield return new Macro<PageSettings>
            {
                Key = "pageIcon",
                Name = "Page Icon",
                Description = "The icon for the page.",
                Substitution = m => m.NavigationTabIconHtml
            };
            yield return new Macro<PageSettings>
            {
                Key = "pageLinkColor",
                Name = "Page Link Color",
                Description = "The color used for the page navigation link.",
                Substitution = m => m.NavigationTabBackgroundColor
            };
        }
    }

    /* MERCHANT MACRO HANDLING ******** */
    public class MerchantMacrosParser : BaseMacroCollectionParser<MerchantModel>
    {
        public override IReadOnlyCollection<Macro<MerchantModel>> GetMacros()
        {
            return GetMerchantMacros().ToList();
        }

        private IEnumerable<Macro<MerchantModel>> GetMerchantMacros()
        {
            yield return new Macro<MerchantModel>
            {
                Key = "merchantName",
                Name = "Merchant Name",
                Description = "The name of the Merchant.",
                Substitution = m => m.MerchantName
            };
            yield return new Macro<MerchantModel>
            {
                Key = "merchantDescription",
                Name = "Merchant Description",
                Description = "The description for the Merchant.",
                Substitution = m => m.MerchantDescription
            };
        }
    }
}

Model

​x
 
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
​
namespace MacroReplacements.Models
{
​
    /* MODELS */
    public class PageViewModel
    {
        public string PageTitle { get; set; }
        public string HeadingColor { get; set; }
        public string MainContent { get; set; }
    }
    public class MerchantPageViewModel : PageViewModel
    {
        public MerchantDetailModel MerchantDetail { get; set; }
        public string[] RelatedMerchantContent { get; set; }
    }
​
    public class MerchantModel
    {
        public string MerchantName { get; set; }
        public string MerchantImageSrc { get; set; }
        public string MerchantDescription { get; set; }
    }
​
    public class MerchantDetailModel : MerchantModel
    {
        public int CashBackPercent { get; set; }
        public IEnumerable<MerchantModel> RelatedMerchants { get; set; }
    }
​
    public class PageSettings
    {
        public string NavigationTabText { get; set; }
        public string NavigationTabBackgroundColor { get; set; }
        public string NavigationTabIconHtml { get; set; }
    }
​
    /* MACRO MODELS */
    public class Macro<TParams>
    {
        public string Key { get; set; }
        public string Name { get; set; }
        public string Description { get; set; }
        public Func<TParams, string> Substitution { get; set; }
    }
​
    public class ReplaceMacrosResult
    {
        public ReplaceMacrosResult()
        {
            ResponseMessage = new List<string>();
            Errors = new List<string>();
        }
        public static ReplaceMacrosResult CreateSuccessResult(string result, List<string> responseMessage = null, List<string> errors = null)
        {
            return new ReplaceMacrosResult()
            {
                Success = true,
                Result = result,
                ResponseMessage = responseMessage ?? new List<string>(),
                Errors = errors ?? new List<string>()
            };
        }
        public string Result { get; set; }
        public bool Success { get; set; }
        public List<string> ResponseMessage { get; set; }
        public List<string> Errors { get; set; }
    }
​
    /* INTERFACES */
​
    public interface IMacroCollectionParser<TParams>
    {
        bool DoesTextContainMacro(string text, string macroKey);
        bool DoesTextContainAnyMacros(string text);
        IReadOnlyCollection<Macro<TParams>> GetMacros();
        ReplaceMacrosResult GetReplaceMacrosResult(string str, TParams src);
    }
​
    /* IMPLEMENTATIONS */
​
    public abstract class BaseMacroCollectionParser<TParams> : IMacroCollectionParser<TParams>
    {
        public abstract IReadOnlyCollection<Macro<TParams>> GetMacros();
​
        public virtual ReplaceMacrosResult GetReplaceMacrosResult(string str, TParams src)
        {
            var result = ReplaceMacrosResult.CreateSuccessResult(str);
​
            if (!DoesTextContainAnyMacros(str))
            {
                result.ResponseMessage.Add("Content had no macros to replace");
                return result;
            }
​
            var macros = GetMacros();
            if (macros == null)
            {
                result.ResponseMessage.Add("Macro could not be parsed because it was null");
                return result;
            }
​
            foreach (var macro in macros)
            {
                try
                {
                    result.Result = ReplaceMacrosInString(result.Result, src, macro);
                }
                catch (Exception e)
                {
                    result.Success = false;
                    result.Errors.Add("There was an error handling macro with key: {" + macro.Key + "}");
                }
            }
​
            return result;
        }
​
        public string ReplaceMacrosInString(string str, TParams src, Macro<TParams> macro)
        {
            if (macro == null) return str;
            var input = str;
            var pattern = macro.Key;
            var replacement = macro.Substitution(src);
​
            var replacedInput = Regex.Replace(input, "\\{" + pattern + "+\\}", replacement ?? string.Empty);
            return replacedInput;
        }
​
        public bool DoesTextContainMacro(string text, string macroKey)
        {
            if (string.IsNullOrEmpty(text))
            {
                return false;
            }
            var macros = GetMacros();
            var filteredMacros = macros
                .Where(m => m.Key == macroKey || macroKey == null)
                .Where(m => !string.IsNullOrEmpty(m.Key))
                .Select(r => r.Key);
            return filteredMacros != null
                && filteredMacros.Any(m => text.IndexOf(m, StringComparison.CurrentCultureIgnoreCase) >= 0);
        }
​
        public bool DoesTextContainAnyMacros(string text)
        {
            return DoesTextContainMacro(text, null);
        }
    }
​
​
    /* PAGE MACRO HANDLING ****** */
    public class PageMacrosParser : BaseMacroCollectionParser<PageSettings>
    {
        public override IReadOnlyCollection<Macro<PageSettings>> GetMacros()
        {
            return GetPageMacros().ToList();
        }
​
        private IEnumerable<Macro<PageSettings>> GetPageMacros()
        {
            yield return new Macro<PageSettings>
            {
                Key = "pageTitle",
                Name = "Page Title",
                Description = "The title of the page.",
                Substitution = m => m.NavigationTabText
            };
            yield return new Macro<PageSettings>
            {
                Key = "pageIcon",
                Name = "Page Icon",
                Description = "The icon for the page.",
                Substitution = m => m.NavigationTabIconHtml
            };
            yield return new Macro<PageSettings>
            {
                Key = "pageLinkColor",
                Name = "Page Link Color",
                Description = "The color used for the page navigation link.",
                Substitution = m => m.NavigationTabBackgroundColor
            };
        }
    }
​
    /* MERCHANT MACRO HANDLING ******** */
    public class MerchantMacrosParser : BaseMacroCollectionParser<MerchantModel>
    {
        public override IReadOnlyCollection<Macro<MerchantModel>> GetMacros()
        {
            return GetMerchantMacros().ToList();
        }
​
        private IEnumerable<Macro<MerchantModel>> GetMerchantMacros()
        {
            yield return new Macro<MerchantModel>
            {
                Key = "merchantName",
                Name = "Merchant Name",
                Description = "The name of the Merchant.",
                Substitution = m => m.MerchantName
            };
            yield return new Macro<MerchantModel>
            {
                Key = "merchantDescription",
                Name = "Merchant Description",
                Description = "The description for the Merchant.",
                Substitution = m => m.MerchantDescription
            };
        }
    }
}

@model MacroReplacements.Models.MerchantPageViewModel
@{
    Layout = null;
}

<!DOCTYPE html>
<!-- template from http://getbootstrap.com/getting-started -->

<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>@(Model.PageTitle)</title>

    <!-- CSS Includes -->
    <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css"
          integrity="sha512-iBBXm8fW90+nuLcSKlbmrPcLa0OT92xO1BIsZ+ywDWZCvqsWgccV3gFoRBv0z+8dLJgyAHIhR35VZc2oM/gI1w=="
          crossorigin="anonymous" referrerpolicy="no-referrer" />

    <style>
        h1 {
            color: @(Model.HeadingColor)
        }
        .container {
            margin-bottom: 20px;
        }
        #MainHeader #SiteNavigation #MainNavbar {
            background: #337ab7;
        }
        #MainHeader #SiteNavigation #MainNavbar li a {
            color: #fff;
        }
        #MainHeader #SiteNavigation #MainNavbar li a:hover {
            background: #555555;
        }
        .banner-offer {
            background-color: #474b50;
            color: #fff;
            text-align: center;
        }
        .panel img.retailer-image {
            margin: 30px auto;
            display: block;
        }
        .panel {
            box-shadow: 0 0 6px 2px rgba(0, 0, 0, 0.1);
            margin: 5px;
            padding: 15px;
        }
        .merchant-summary .panel {
            min-height: 200px;
        }
        .panel img {
            display: block;
            margin: 0 auto;
        }
        .related-merchants {
            background: #eeeeff;
            overflow: hidden;
            width: 100%;
            padding-bottom: 25px;
        }
        .clear {
            clear: both;
        }
        input:not(:checked) ~ .accordion-content {
            max-height: 0em;
            padding-bottom: 0px;
            overflow: hidden;
        }
        input:checked ~ .accordion-content {
            max-height: 150em;
        }
        input[type=checkbox] {
            display: none;
        }

        label {
            position: relative;
            display: block;
        }

        label:after {
            content: "+";
            position: absolute;
            right: 1em;
        }

        input:checked + label:after {
            content: "-";
        }
    </style>

</head>

<body>
    <div class="container">
        <!-- Header & Nav -->
        <header id="MainHeader">
            <div class="top-header row">
                <ol class="breadcrumb">
                    <li>Questions? Call <a href="tel:1-800-123-4567">1-800-123-4567</a></li>
                    <li class="pull-right">Welcome Guest!</li>
                    <li class="pull-right">Sign Out</li>
                </ol>
            </div>
            <div id="SiteNavigation" class="row">
                <nav class="collapse navbar-collapse" id="MainNavbar">
                    <ul class="nav navbar-nav">
                        <li class="menu-item menu-item-1" role="presentation"><a>Home</a></li>
                        <li class="menu-item menu-item-2" role="presentation"><a>Rebates</a></li>
                        <li class="menu-item menu-item-3" role="presentation"><a>Return Center</a></li>
                        <li class="menu-item menu-item-4" role="presentation"><a>Savings Center</a></li>
                        <li class="menu-item menu-item-5" role="presentation"><a>Help</a></li>
                    </ul>
                </nav>
            </div>
        </header>

        <!-- Problem Notes -->
        </br>
        <div class="panel-group">
            <div class="panel panel-default accordion" style="background-color:#FFFFDD; min-height:0px;">
                <input type="checkbox" name="problem-accordion" id="problem-accordion">
                <label for="problem-accordion" style="font-size: 2em;">Problem Statement</label>
                <div class="accordion-content">
                    <div>To support CMS-driven merchant pages alongside daily specials, recommendations, and other automated components, the Marketplace site uses a <strong>macro</strong> system.</div>
                    <div>A macro uses a standard identifier, such as {merchantName}, wrapped in curly brackets. When detected in text during macro processing, this gets replaced with appropriate content.</div>
                    <div></div>
                    <div>Another developer started implementing a new version, but couldn't finish before their scheduled time off. What can you do to restore the page and improve the overall quality?</div>
                    <h3>Example</h3>
                    <div>{merchantName} provides discounts and savings for customers like you!</div>
                    <h3>Expected Example Output</h3>
                    <div><span style="background:lightblue;">Kohl's</span> provides discounts and savings for customers like you!</div>
                    <h3>.NET Fiddle Tips</h3>
                    <ol>
                        <li>The "Run" button in the center top bar will execute the MVC code and return the rendered page result.</li>
                        <li>The "Layout Type" dropdown in the middle of the left bar will let you switch between grid and tab layouts. Use what feels appropriate for your screen size. </li>
                        <li>Some language features like coalescing operators won't work. Run early and run often if you're not sure, or if the language feature is new.</li>
                    </ol>
                </div>
            </div>
        </div>

        <!-- Merchant Summary -->
        <section class="merchant-summary row">
            <div id="BrandPageHeader">
                <div class="col-sm-4 col-md-3">
                    <div class="panel">
                        <div class="logowrap">
                            <img class="retailer-image" alt="@(Model.MerchantDetail.MerchantName)" src="@(Model.MerchantDetail.MerchantImageSrc)">
                        </div>
                    </div>
                </div>
                <div class="col-sm-8 col-md-9 ">
                    <div class="detail-desc">
                        <div class="cash-back-desc">
                            <h1>Get <span>@(Model.MerchantDetail.CashBackPercent)% Cash Back</span> at @(Model.MerchantDetail.MerchantName)! </h1>
                            <p>
                                And your savings don't end there — add any coupon deal below to your <span>@(Model.MerchantDetail.CashBackPercent)% cash back! </span>
                            </p>
                        </div>
                        <div class="instore-pickup">
                            <p class="instore-pickup-msg">This retailer allows Cash Back on in-store pickup orders</p>
                        </div>
                        <a id="VisitStore" class="btn visit-btn btn-primary">
                            Shop Now
                        </a>
                        </br>
                        </br>
                        <div class="restrictions">
                            <a id="CashBackRestrictionsLink">
                                This retailer has cash back restrictions.
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </section>
        <section class="row">
            <div class="threshold-banner">
                <p class="banner-offer">
                    <span>
                        FREE SHIPPING OFFER: Free shipping on most orders $45+
                    </span>
                </p>
            </div>
        </section>
        <!-- Merchant Details -->
        <section class="merchant-details row">
            @Html.Raw(Model.MainContent)
        </section>
        <!-- Related Merchants -->
        @if (Model.RelatedMerchantContent != null && Model.RelatedMerchantContent.Any())
        {
            <section class="related-merchants row">
                <div class="threshold-banner">
                    <p class="banner-offer">
                        <span>
                            Want More? Check the related merchants below:
                        </span>
                    </p>
                </div>
                @foreach (var relatedMerchant in Model.RelatedMerchantContent)
                {
                    <div class="related-merchant col-xs-3">@Html.Raw(relatedMerchant)</div>
                }
            </section>
        }
    </div>
</body>
</html>

View

 
@model MacroReplacements.Models.MerchantPageViewModel
@{
    Layout = null;
}
​
<!DOCTYPE html>
<!-- template from http://getbootstrap.com/getting-started -->
​
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>@(Model.PageTitle)</title>
​
    <!-- CSS Includes -->
    <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css"
          integrity="sha512-iBBXm8fW90+nuLcSKlbmrPcLa0OT92xO1BIsZ+ywDWZCvqsWgccV3gFoRBv0z+8dLJgyAHIhR35VZc2oM/gI1w=="
          crossorigin="anonymous" referrerpolicy="no-referrer" />
​
    <style>
        h1 {
            color: @(Model.HeadingColor)
        }
        .container {
            margin-bottom: 20px;
        }
        #MainHeader #SiteNavigation #MainNavbar {
            background: #337ab7;
        }
        #MainHeader #SiteNavigation #MainNavbar li a {
            color: #fff;
        }
        #MainHeader #SiteNavigation #MainNavbar li a:hover {
            background: #555555;
        }
        .banner-offer {
            background-color: #474b50;
            color: #fff;
            text-align: center;
        }
        .panel img.retailer-image {
            margin: 30px auto;
            display: block;
        }
        .panel {
            box-shadow: 0 0 6px 2px rgba(0, 0, 0, 0.1);
            margin: 5px;
            padding: 15px;
        }
        .merchant-summary .panel {
            min-height: 200px;
        }
        .panel img {
            display: block;
            margin: 0 auto;
        }
        .related-merchants {
            background: #eeeeff;
            overflow: hidden;
            width: 100%;
            padding-bottom: 25px;
        }
        .clear {
            clear: both;
        }
        input:not(:checked) ~ .accordion-content {
            max-height: 0em;
            padding-bottom: 0px;
            overflow: hidden;
        }
        input:checked ~ .accordion-content {
            max-height: 150em;
        }
        input[type=checkbox] {
            display: none;
        }
​
        label {
            position: relative;
            display: block;
        }
​
        label:after {
            content: "+";
            position: absolute;
            right: 1em;
        }
​
        input:checked + label:after {
            content: "-";
        }
    </style>
​
</head>
​
<body>
    <div class="container">
        <!-- Header & Nav -->
        <header id="MainHeader">
            <div class="top-header row">
                <ol class="breadcrumb">
                    <li>Questions? Call <a href="tel:1-800-123-4567">1-800-123-4567</a></li>
                    <li class="pull-right">Welcome Guest!</li>
                    <li class="pull-right">Sign Out</li>
                </ol>
            </div>
            <div id="SiteNavigation" class="row">
                <nav class="collapse navbar-collapse" id="MainNavbar">
                    <ul class="nav navbar-nav">
                        <li class="menu-item menu-item-1" role="presentation"><a>Home</a></li>
                        <li class="menu-item menu-item-2" role="presentation"><a>Rebates</a></li>
                        <li class="menu-item menu-item-3" role="presentation"><a>Return Center</a></li>
                        <li class="menu-item menu-item-4" role="presentation"><a>Savings Center</a></li>
                        <li class="menu-item menu-item-5" role="presentation"><a>Help</a></li>
                    </ul>
                </nav>
            </div>
        </header>
​
        <!-- Problem Notes -->
        </br>
        <div class="panel-group">
            <div class="panel panel-default accordion" style="background-color:#FFFFDD; min-height:0px;">
                <input type="checkbox" name="problem-accordion" id="problem-accordion">
                <label for="problem-accordion" style="font-size: 2em;">Problem Statement</label>
                <div class="accordion-content">
                    <div>To support CMS-driven merchant pages alongside daily specials, recommendations, and other automated components, the Marketplace site uses a <strong>macro</strong> system.</div>
                    <div>A macro uses a standard identifier, such as {merchantName}, wrapped in curly brackets. When detected in text during macro processing, this gets replaced with appropriate content.</div>
                    <div></div>
                    <div>Another developer started implementing a new version, but couldn't finish before their scheduled time off. What can you do to restore the page and improve the overall quality?</div>
                    <h3>Example</h3>
                    <div>{merchantName} provides discounts and savings for customers like you!</div>
                    <h3>Expected Example Output</h3>
                    <div><span style="background:lightblue;">Kohl's</span> provides discounts and savings for customers like you!</div>
                    <h3>.NET Fiddle Tips</h3>
                    <ol>
                        <li>The "Run" button in the center top bar will execute the MVC code and return the rendered page result.</li>
                        <li>The "Layout Type" dropdown in the middle of the left bar will let you switch between grid and tab layouts. Use what feels appropriate for your screen size. </li>
                        <li>Some language features like coalescing operators won't work. Run early and run often if you're not sure, or if the language feature is new.</li>
                    </ol>
                </div>
            </div>
        </div>
​
        <!-- Merchant Summary -->
        <section class="merchant-summary row">
            <div id="BrandPageHeader">
                <div class="col-sm-4 col-md-3">
                    <div class="panel">
                        <div class="logowrap">
                            <img class="retailer-image" alt="@(Model.MerchantDetail.MerchantName)" src="@(Model.MerchantDetail.MerchantImageSrc)">
                        </div>
                    </div>
                </div>
                <div class="col-sm-8 col-md-9 ">
                    <div class="detail-desc">
                        <div class="cash-back-desc">
                            <h1>Get <span>@(Model.MerchantDetail.CashBackPercent)% Cash Back</span> at @(Model.MerchantDetail.MerchantName)! </h1>
                            <p>
                                And your savings don't end there — add any coupon deal below to your <span>@(Model.MerchantDetail.CashBackPercent)% cash back! </span>
                            </p>
                        </div>
                        <div class="instore-pickup">
                            <p class="instore-pickup-msg">This retailer allows Cash Back on in-store pickup orders</p>
                        </div>
                        <a id="VisitStore" class="btn visit-btn btn-primary">
                            Shop Now
                        </a>
                        </br>
                        </br>
                        <div class="restrictions">
                            <a id="CashBackRestrictionsLink">
                                This retailer has cash back restrictions.
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </section>
        <section class="row">
            <div class="threshold-banner">
                <p class="banner-offer">
                    <span>
                        FREE SHIPPING OFFER: Free shipping on most orders $45+
                    </span>
                </p>
            </div>
        </section>
        <!-- Merchant Details -->
        <section class="merchant-details row">
            @Html.Raw(Model.MainContent)
        </section>
        <!-- Related Merchants -->
        @if (Model.RelatedMerchantContent != null && Model.RelatedMerchantContent.Any())
        {
            <section class="related-merchants row">
                <div class="threshold-banner">
                    <p class="banner-offer">
                        <span>
                            Want More? Check the related merchants below:
                        </span>
                    </p>
                </div>
                @foreach (var relatedMerchant in Model.RelatedMerchantContent)
                {
                    <div class="related-merchant col-xs-3">@Html.Raw(relatedMerchant)</div>
                }
            </section>
        }
    </div>
</body>
</html>

using System;
using MacroReplacements.Models;
using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;
using System.Collections;

namespace MacroReplacements.Controllers
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            var page = GetPageSettings();

            // Obtain and transform merchant content
            var merchantTemplate = CMSService.GetRelatedMerchantTemplate();
            var merchantDetail = MerchantService.GetMerchantDetails();
            var relatedMerchantContent = merchantDetail.RelatedMerchants.Select(m => ReplaceMacros<MerchantModel, MerchantMacrosParser>(merchantTemplate, m).Result);

            var viewModel = new MerchantPageViewModel
            {
                PageTitle = page.NavigationTabText,
                MainContent = CMSService.GetMerchantContentTemplate(),
                HeadingColor = page.NavigationTabBackgroundColor,
                MerchantDetail = merchantDetail,
                RelatedMerchantContent = relatedMerchantContent.ToArray()
            };

            ReplaceMacros<PageSettings, PageMacrosParser>(viewModel, page);
            ReplaceMacros<MerchantModel, MerchantMacrosParser>(viewModel, merchantDetail);

            return View(viewModel);
        }

        private static PageSettings GetPageSettings()
        {
            return new PageSettings
            {
                NavigationTabText = "Macro Test",
                NavigationTabBackgroundColor = "#CC23AC",
                NavigationTabIconHtml = "<i class=\"fab fa-amazon\"></i>"
            };
        }

        private IEnumerable<ReplaceMacrosResult> ReplaceMacros<TParams, TParser>(object contentModel, TParams model)
            where TParser : BaseMacroCollectionParser<TParams>, new()
        {
            var results = new List<ReplaceMacrosResult>();
            foreach (var property in contentModel.GetType().GetProperties())
            {
                if (property.PropertyType == typeof(string))
                {
                    var originalValue = (string)property.GetValue(contentModel);

                    var transformResult = ReplaceMacros<TParams, TParser>(originalValue, model);

                    results.Add(transformResult);

                    if (transformResult != null && transformResult.Success)
                    {
                        property.SetValue(contentModel, transformResult.Result);
                    }
                }
                else if (typeof(IEnumerable).IsAssignableFrom(property.PropertyType))
                {
                    var valueEnumerable = (IEnumerable)property.GetValue(contentModel);
                    if (valueEnumerable != null)
                    {
                        foreach (var entry in valueEnumerable)
                        {
                            var transformResult = ReplaceMacros<TParams, TParser>(entry, model);
                            results.AddRange(transformResult);
                        }
                    }
                }
            }
            return results;
        }

        private ReplaceMacrosResult ReplaceMacros<TParams, TParser>(string content, TParams model)
            where TParser : BaseMacroCollectionParser<TParams>, new()
        {
            var parser = new TParser();
            var result = parser.GetReplaceMacrosResult(content, model);
            return result;
        }
    }
    public static class CMSService
    {
        public static string GetMerchantContentTemplate()
        {
            return "<div class=\"content\">"
                 + "<p>Thanks for your interest in {merchantName}</p>"
                 + "<p>{merchantDescription}</p>"
                 + "</div>";
        }

        public static string GetRelatedMerchantTemplate()
        {
            return "<div class=\"panel\">"
                 + "{merchantImage}"
                 + "<div class=\"panel-body\">"
                 + "<a style=\"color:{pageLinkColorrr};\"<h4>{merchantName}</h4></a>"
                 + "<p>{merchantDescription}</p>"
                 + "</div></div>";
        }
    }

    public static class MerchantService
    {
        public static MerchantDetailModel GetMerchantDetails()
        {
            return new MerchantDetailModel
            {
                MerchantName = "The Home Repo",
                MerchantImageSrc = "https://i.imgur.com/fLCUkBp.jpg",
                MerchantDescription = "The source for all of your home projects! Get started today by talking to their team of home improvement experts. With convenient pick-up or home-delivery options, {merchantName} aims to make your experience worth a star!",
                CashBackPercent = 10,
                RelatedMerchants = GetRelatedMerchants()
            };
        }
        private static IEnumerable<MerchantModel> GetRelatedMerchants()
        {

            yield return new MerchantModel
            {
                MerchantName = "Tagret",
                MerchantImageSrc = "https://i.imgur.com/L9Uomts.jpg",
                MerchantDescription = "More expectations with less to pay. With a spread of general merchandise and quality brands, why go anywhere else?"
            };
            yield return new MerchantModel
            {
                MerchantName = "Petgo",
                MerchantImageSrc = "https://i.imgur.com/6Kw6TBL.jpg",
                MerchantDescription = "Where the pets crow. Visit this retail pet chain to see what all the bark is about."
            };
            yield return new MerchantModel
            {
                MerchantName = "Maybe's",
                MerchantImageSrc = "https://i.imgur.com/TY02kXl.jpg",
                MerchantDescription = "It's a way to shop! Check out this classic fashion-friendly department store!"
            };
            yield return new MerchantModel
            {
                MerchantName = "Kool's",
                MerchantImageSrc = "https://i.imgur.com/sjy81p2.jpg",
                MerchantDescription = "Expect things greatly! This fashion retailer will have you shocked at your savings."
            };
        }
    }
}

Controller

 
using System;
using MacroReplacements.Models;
using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;
using System.Collections;
​
namespace MacroReplacements.Controllers
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            var page = GetPageSettings();
​
            // Obtain and transform merchant content
            var merchantTemplate = CMSService.GetRelatedMerchantTemplate();
            var merchantDetail = MerchantService.GetMerchantDetails();
            var relatedMerchantContent = merchantDetail.RelatedMerchants.Select(m => ReplaceMacros<MerchantModel, MerchantMacrosParser>(merchantTemplate, m).Result);
​
            var viewModel = new MerchantPageViewModel
            {
                PageTitle = page.NavigationTabText,
                MainContent = CMSService.GetMerchantContentTemplate(),
                HeadingColor = page.NavigationTabBackgroundColor,
                MerchantDetail = merchantDetail,
                RelatedMerchantContent = relatedMerchantContent.ToArray()
            };
​
            ReplaceMacros<PageSettings, PageMacrosParser>(viewModel, page);
            ReplaceMacros<MerchantModel, MerchantMacrosParser>(viewModel, merchantDetail);
​
            return View(viewModel);
        }
​
        private static PageSettings GetPageSettings()
        {
            return new PageSettings
            {
                NavigationTabText = "Macro Test",
                NavigationTabBackgroundColor = "#CC23AC",
                NavigationTabIconHtml = "<i class=\"fab fa-amazon\"></i>"
            };
        }
​
        private IEnumerable<ReplaceMacrosResult> ReplaceMacros<TParams, TParser>(object contentModel, TParams model)
            where TParser : BaseMacroCollectionParser<TParams>, new()
        {
            var results = new List<ReplaceMacrosResult>();
            foreach (var property in contentModel.GetType().GetProperties())
            {
                if (property.PropertyType == typeof(string))
                {
                    var originalValue = (string)property.GetValue(contentModel);
​
                    var transformResult = ReplaceMacros<TParams, TParser>(originalValue, model);
​
                    results.Add(transformResult);
​
                    if (transformResult != null && transformResult.Success)
                    {
                        property.SetValue(contentModel, transformResult.Result);
                    }
                }
                else if (typeof(IEnumerable).IsAssignableFrom(property.PropertyType))
                {
                    var valueEnumerable = (IEnumerable)property.GetValue(contentModel);
                    if (valueEnumerable != null)
                    {
                        foreach (var entry in valueEnumerable)
                        {
                            var transformResult = ReplaceMacros<TParams, TParser>(entry, model);
                            results.AddRange(transformResult);
                        }
                    }
                }
            }
            return results;
        }
​
        private ReplaceMacrosResult ReplaceMacros<TParams, TParser>(string content, TParams model)
            where TParser : BaseMacroCollectionParser<TParams>, new()
        {
            var parser = new TParser();
            var result = parser.GetReplaceMacrosResult(content, model);
            return result;
        }
    }
    public static class CMSService
    {
        public static string GetMerchantContentTemplate()
        {
            return "<div class=\"content\">"
                 + "<p>Thanks for your interest in {merchantName}</p>"
                 + "<p>{merchantDescription}</p>"
                 + "</div>";
        }
​
        public static string GetRelatedMerchantTemplate()
        {
            return "<div class=\"panel\">"
                 + "{merchantImage}"
                 + "<div class=\"panel-body\">"
                 + "<a style=\"color:{pageLinkColorrr};\"<h4>{merchantName}</h4></a>"
                 + "<p>{merchantDescription}</p>"
                 + "</div></div>";
        }
    }
​
    public static class MerchantService
    {
        public static MerchantDetailModel GetMerchantDetails()
        {
            return new MerchantDetailModel
            {
                MerchantName = "The Home Repo",
                MerchantImageSrc = "https://i.imgur.com/fLCUkBp.jpg",
                MerchantDescription = "The source for all of your home projects! Get started today by talking to their team of home improvement experts. With convenient pick-up or home-delivery options, {merchantName} aims to make your experience worth a star!",
                CashBackPercent = 10,
                RelatedMerchants = GetRelatedMerchants()
            };
        }
        private static IEnumerable<MerchantModel> GetRelatedMerchants()
        {
​
            yield return new MerchantModel
            {
                MerchantName = "Tagret",
                MerchantImageSrc = "https://i.imgur.com/L9Uomts.jpg",
                MerchantDescription = "More expectations with less to pay. With a spread of general merchandise and quality brands, why go anywhere else?"
            };
            yield return new MerchantModel
            {
                MerchantName = "Petgo",
                MerchantImageSrc = "https://i.imgur.com/6Kw6TBL.jpg",
                MerchantDescription = "Where the pets crow. Visit this retail pet chain to see what all the bark is about."
            };
            yield return new MerchantModel
            {
                MerchantName = "Maybe's",
                MerchantImageSrc = "https://i.imgur.com/TY02kXl.jpg",
                MerchantDescription = "It's a way to shop! Check out this classic fashion-friendly department store!"
            };
            yield return new MerchantModel
            {
                MerchantName = "Kool's",
                MerchantImageSrc = "https://i.imgur.com/sjy81p2.jpg",
                MerchantDescription = "Expect things greatly! This fashion retailer will have you shocked at your savings."
            };
        }
    }
}

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