diff --git a/src/Billing/Services/Implementations/UpcomingInvoiceHandler.cs b/src/Billing/Services/Implementations/UpcomingInvoiceHandler.cs index 9b1d110b5e..9f6fda7d3f 100644 --- a/src/Billing/Services/Implementations/UpcomingInvoiceHandler.cs +++ b/src/Billing/Services/Implementations/UpcomingInvoiceHandler.cs @@ -8,6 +8,7 @@ using Bit.Core.AdminConsole.Repositories; using Bit.Core.Billing.Constants; using Bit.Core.Billing.Enums; using Bit.Core.Billing.Extensions; +using Bit.Core.Billing.Payment.Queries; using Bit.Core.Billing.Pricing; using Bit.Core.OrganizationFeatures.OrganizationSponsorships.FamiliesForEnterprise.Interfaces; using Bit.Core.Repositories; @@ -18,6 +19,7 @@ using Event = Stripe.Event; namespace Bit.Billing.Services.Implementations; public class UpcomingInvoiceHandler( + IGetPaymentMethodQuery getPaymentMethodQuery, ILogger logger, IMailService mailService, IOrganizationRepository organizationRepository, @@ -137,7 +139,7 @@ public class UpcomingInvoiceHandler( await AlignProviderTaxConcernsAsync(provider, subscription, parsedEvent.Id); - await SendUpcomingInvoiceEmailsAsync(new List { provider.BillingEmail }, invoice); + await SendProviderUpcomingInvoiceEmailsAsync(new List { provider.BillingEmail }, invoice, subscription, providerId.Value); } } @@ -158,6 +160,42 @@ public class UpcomingInvoiceHandler( } } + private async Task SendProviderUpcomingInvoiceEmailsAsync(IEnumerable emails, Invoice invoice, Subscription subscription, Guid providerId) + { + var validEmails = emails.Where(e => !string.IsNullOrEmpty(e)); + + var items = invoice.FormatForProvider(subscription); + + if (invoice.NextPaymentAttempt.HasValue && invoice.AmountDue > 0) + { + var provider = await providerRepository.GetByIdAsync(providerId); + if (provider == null) + { + logger.LogWarning("Provider {ProviderId} not found for invoice upcoming email", providerId); + return; + } + + var collectionMethod = subscription.CollectionMethod; + var paymentMethod = await getPaymentMethodQuery.Run(provider); + + var hasPaymentMethod = paymentMethod != null; + var paymentMethodDescription = paymentMethod?.Match( + bankAccount => $"Bank account ending in {bankAccount.Last4}", + card => $"{card.Brand} ending in {card.Last4}", + payPal => $"PayPal account {payPal.Email}" + ); + + await mailService.SendProviderInvoiceUpcoming( + validEmails, + invoice.AmountDue / 100M, + invoice.NextPaymentAttempt.Value, + items, + collectionMethod, + hasPaymentMethod, + paymentMethodDescription); + } + } + private async Task AlignOrganizationTaxConcernsAsync( Organization organization, Subscription subscription, diff --git a/src/Core/Billing/Extensions/InvoiceExtensions.cs b/src/Core/Billing/Extensions/InvoiceExtensions.cs new file mode 100644 index 0000000000..bb9f7588bf --- /dev/null +++ b/src/Core/Billing/Extensions/InvoiceExtensions.cs @@ -0,0 +1,76 @@ +using System.Text.RegularExpressions; +using Stripe; + +namespace Bit.Core.Billing.Extensions; + +public static class InvoiceExtensions +{ + /// + /// Formats invoice line items specifically for provider invoices, standardizing product descriptions + /// and ensuring consistent tax representation. + /// + /// The Stripe invoice containing line items + /// The associated subscription (for future extensibility) + /// A list of formatted invoice item descriptions + public static List FormatForProvider(this Invoice invoice, Subscription subscription) + { + var items = new List(); + + // Return empty list if no line items + if (invoice.Lines == null) + { + return items; + } + + foreach (var line in invoice.Lines.Data ?? new List()) + { + // Skip null lines or lines without description + if (line?.Description == null) + { + continue; + } + + var description = line.Description; + + // Handle Provider Portal and Business Unit Portal service lines + if (description.Contains("Provider Portal") || description.Contains("Business Unit")) + { + var priceMatch = Regex.Match(description, @"\(at \$[\d,]+\.?\d* / month\)"); + var priceInfo = priceMatch.Success ? priceMatch.Value : ""; + + var standardizedDescription = $"{line.Quantity} × Manage service provider {priceInfo}"; + items.Add(standardizedDescription); + } + // Handle tax lines + else if (description.ToLower().Contains("tax")) + { + var priceMatch = Regex.Match(description, @"\(at \$[\d,]+\.?\d* / month\)"); + var priceInfo = priceMatch.Success ? priceMatch.Value : ""; + + // If no price info found in description, calculate from amount + if (string.IsNullOrEmpty(priceInfo) && line.Quantity > 0) + { + var pricePerItem = (line.Amount / 100m) / line.Quantity; + priceInfo = $"(at ${pricePerItem:F2} / month)"; + } + + var taxDescription = $"{line.Quantity} × Tax {priceInfo}"; + items.Add(taxDescription); + } + // Handle other line items as-is + else + { + items.Add(description); + } + } + + // Add fallback tax from invoice-level tax if present and not already included + if (invoice.Tax.HasValue && invoice.Tax.Value > 0) + { + var taxAmount = invoice.Tax.Value / 100m; + items.Add($"1 × Tax (at ${taxAmount:F2} / month)"); + } + + return items; + } +} diff --git a/src/Core/MailTemplates/Handlebars/Layouts/ProviderFull.html.hbs b/src/Core/MailTemplates/Handlebars/Layouts/ProviderFull.html.hbs new file mode 100644 index 0000000000..33e32c2bb0 --- /dev/null +++ b/src/Core/MailTemplates/Handlebars/Layouts/ProviderFull.html.hbs @@ -0,0 +1,211 @@ + + + + + + Bitwarden + + + + + {{! Yahoo center fix }} + + + + +
+ {{! 600px container }} + + + {{! Left column (center fix) }} + + {{! Right column (center fix) }} + +
+ + + + + +
+ Bitwarden +
+ + + + + + +
+ + {{>@partial-block}} + +
+ + + + + + + + + + +
+ © {{CurrentYear}} Bitwarden Inc. 1 N. Calle Cesar Chavez, Suite 102, Santa Barbara, CA, USA +
+ Always confirm you are on an official Bitwarden domain before logging in:
+ bitwarden.com | Learn why we include this +
+
+
+ + \ No newline at end of file diff --git a/src/Core/MailTemplates/Handlebars/ProviderInvoiceUpcoming.html.hbs b/src/Core/MailTemplates/Handlebars/ProviderInvoiceUpcoming.html.hbs new file mode 100644 index 0000000000..d9061d1ffe --- /dev/null +++ b/src/Core/MailTemplates/Handlebars/ProviderInvoiceUpcoming.html.hbs @@ -0,0 +1,89 @@ +{{#>ProviderFull}} + + + + + {{#unless (eq CollectionMethod "send_invoice")}} + + + + {{/unless}} + {{#if Items}} + {{#unless (eq CollectionMethod "send_invoice")}} + + + + {{/unless}} + {{/if}} + + + + {{#unless (eq CollectionMethod "send_invoice")}} + + + + + {{/unless}} + + + + {{#if (eq CollectionMethod "send_invoice")}} + + + + {{/if}} + {{#unless (eq CollectionMethod "send_invoice")}} + + + + {{/unless}} +
+ {{#if (eq CollectionMethod "send_invoice")}} +
Your subscription will renew soon
+
On {{date DueDate 'MMMM dd, yyyy'}} we'll send you an invoice with a summary of the charges including tax.
+ {{else}} +
Your subscription will renew on {{date DueDate 'MMMM dd, yyyy'}}
+ {{#if HasPaymentMethod}} +
To avoid any interruption in service, please ensure your {{PaymentMethodDescription}} can be charged for the following amount:
+ {{else}} +
To avoid any interruption in service, please add a payment method that can be charged for the following amount:
+ {{/if}} + {{/if}} +
+ {{usd AmountDue}} +
+ Summary Of Charges
+
+ {{#each Items}} +
{{this}}
+ {{/each}} +
+ {{#if (eq CollectionMethod "send_invoice")}} +
To avoid any interruption in service for you or your clients, please pay the invoice by the due date, or contact Bitwarden Customer Support to sign up for auto-pay.
+ {{else}} + + {{/if}} +
+ + + + +
+ Update payment method +
+
+ {{#if (eq CollectionMethod "send_invoice")}} + + + + +
+ Contact Bitwarden Support +
+ {{/if}} +
+ For assistance managing your subscription, please visit the Help Center or contact Bitwarden Customer Support. +
+ For assistance managing your subscription, please visit the Help Center or contact Bitwarden Customer Support. +
+{{/ProviderFull}} \ No newline at end of file diff --git a/src/Core/MailTemplates/Handlebars/ProviderInvoiceUpcoming.text.hbs b/src/Core/MailTemplates/Handlebars/ProviderInvoiceUpcoming.text.hbs new file mode 100644 index 0000000000..c666e287a5 --- /dev/null +++ b/src/Core/MailTemplates/Handlebars/ProviderInvoiceUpcoming.text.hbs @@ -0,0 +1,41 @@ +{{#>BasicTextLayout}} +{{#if (eq CollectionMethod "send_invoice")}} +Your subscription will renew soon + +On {{date DueDate 'MMMM dd, yyyy'}} we'll send you an invoice with a summary of the charges including tax. +{{else}} +Your subscription will renew on {{date DueDate 'MMMM dd, yyyy'}} + + {{#if HasPaymentMethod}} +To avoid any interruption in service, please ensure your {{PaymentMethodDescription}} can be charged for the following amount: + {{else}} +To avoid any interruption in service, please add a payment method that can be charged for the following amount: + {{/if}} + +{{usd AmountDue}} +{{/if}} +{{#if Items}} +{{#unless (eq CollectionMethod "send_invoice")}} + +Summary Of Charges +------------------ +{{#each Items}} +{{this}} +{{/each}} +{{/unless}} +{{/if}} + +{{#if (eq CollectionMethod "send_invoice")}} +To avoid any interruption in service for you or your clients, please pay the invoice by the due date, or contact Bitwarden Customer Support to sign up for auto-pay. + +Contact Bitwarden Support: {{{ContactUrl}}} + +For assistance managing your subscription, please visit the **Help center** (https://bitwarden.com/help/update-billing-info) or **contact Bitwarden Customer Support** (https://bitwarden.com/contact/). +{{else}} + +{{/if}} + +{{#unless (eq CollectionMethod "send_invoice")}} +For assistance managing your subscription, please visit the **Help center** (https://bitwarden.com/help/update-billing-info) or **contact Bitwarden Customer Support** (https://bitwarden.com/contact/). +{{/unless}} +{{/BasicTextLayout}} \ No newline at end of file diff --git a/src/Core/Models/Mail/InvoiceUpcomingViewModel.cs b/src/Core/Models/Mail/InvoiceUpcomingViewModel.cs index 50f8256b3d..b63213b811 100644 --- a/src/Core/Models/Mail/InvoiceUpcomingViewModel.cs +++ b/src/Core/Models/Mail/InvoiceUpcomingViewModel.cs @@ -10,4 +10,9 @@ public class InvoiceUpcomingViewModel : BaseMailModel public List Items { get; set; } public bool MentionInvoices { get; set; } public string UpdateBillingInfoUrl { get; set; } = "https://bitwarden.com/help/update-billing-info/"; + public string CollectionMethod { get; set; } + public bool HasPaymentMethod { get; set; } + public string PaymentMethodDescription { get; set; } + public string HelpUrl { get; set; } = "https://bitwarden.com/help/"; + public string ContactUrl { get; set; } = "https://bitwarden.com/contact/"; } diff --git a/src/Core/Services/IMailService.cs b/src/Core/Services/IMailService.cs index a38328dc9d..6e61c4f8dd 100644 --- a/src/Core/Services/IMailService.cs +++ b/src/Core/Services/IMailService.cs @@ -59,6 +59,14 @@ public interface IMailService DateTime dueDate, List items, bool mentionInvoices); + Task SendProviderInvoiceUpcoming( + IEnumerable emails, + decimal amount, + DateTime dueDate, + List items, + string? collectionMethod, + bool hasPaymentMethod, + string? paymentMethodDescription); Task SendPaymentFailedAsync(string email, decimal amount, bool mentionInvoices); Task SendAddedCreditAsync(string email, decimal amount); Task SendLicenseExpiredAsync(IEnumerable emails, string? organizationName = null); diff --git a/src/Core/Services/Implementations/HandlebarsMailService.cs b/src/Core/Services/Implementations/HandlebarsMailService.cs index 8de0e99bd3..0410bad19e 100644 --- a/src/Core/Services/Implementations/HandlebarsMailService.cs +++ b/src/Core/Services/Implementations/HandlebarsMailService.cs @@ -478,6 +478,33 @@ public class HandlebarsMailService : IMailService await _mailDeliveryService.SendEmailAsync(message); } + public async Task SendProviderInvoiceUpcoming( + IEnumerable emails, + decimal amount, + DateTime dueDate, + List items, + string? collectionMethod = null, + bool hasPaymentMethod = true, + string? paymentMethodDescription = null) + { + var message = CreateDefaultMessage("Your upcoming Bitwarden invoice", emails); + var model = new InvoiceUpcomingViewModel + { + WebVaultUrl = _globalSettings.BaseServiceUri.VaultWithHash, + SiteName = _globalSettings.SiteName, + AmountDue = amount, + DueDate = dueDate, + Items = items, + MentionInvoices = false, + CollectionMethod = collectionMethod, + HasPaymentMethod = hasPaymentMethod, + PaymentMethodDescription = paymentMethodDescription + }; + await AddMessageContentAsync(message, "ProviderInvoiceUpcoming", model); + message.Category = "ProviderInvoiceUpcoming"; + await _mailDeliveryService.SendEmailAsync(message); + } + public async Task SendPaymentFailedAsync(string email, decimal amount, bool mentionInvoices) { var message = CreateDefaultMessage("Payment Failed", email); @@ -708,6 +735,8 @@ public class HandlebarsMailService : IMailService Handlebars.RegisterTemplate("SecurityTasksHtmlLayout", securityTasksHtmlLayoutSource); var securityTasksTextLayoutSource = await ReadSourceAsync("Layouts.SecurityTasks.text"); Handlebars.RegisterTemplate("SecurityTasksTextLayout", securityTasksTextLayoutSource); + var providerFullHtmlLayoutSource = await ReadSourceAsync("Layouts.ProviderFull.html"); + Handlebars.RegisterTemplate("ProviderFull", providerFullHtmlLayoutSource); Handlebars.RegisterHelper("date", (writer, context, parameters) => { @@ -863,6 +892,19 @@ public class HandlebarsMailService : IMailService writer.WriteSafeString(string.Empty); } }); + + // Equality comparison helper for conditional templates. + Handlebars.RegisterHelper("eq", (context, arguments) => + { + if (arguments.Length != 2) + { + return false; + } + + var value1 = arguments[0]?.ToString(); + var value2 = arguments[1]?.ToString(); + return string.Equals(value1, value2, StringComparison.OrdinalIgnoreCase); + }); } public async Task SendEmergencyAccessInviteEmailAsync(EmergencyAccess emergencyAccess, string name, string token) diff --git a/src/Core/Services/NoopImplementations/NoopMailService.cs b/src/Core/Services/NoopImplementations/NoopMailService.cs index bc73fb5398..7ec05bb1f9 100644 --- a/src/Core/Services/NoopImplementations/NoopMailService.cs +++ b/src/Core/Services/NoopImplementations/NoopMailService.cs @@ -137,6 +137,15 @@ public class NoopMailService : IMailService List items, bool mentionInvoices) => Task.FromResult(0); + public Task SendProviderInvoiceUpcoming( + IEnumerable emails, + decimal amount, + DateTime dueDate, + List items, + string? collectionMethod = null, + bool hasPaymentMethod = true, + string? paymentMethodDescription = null) => Task.FromResult(0); + public Task SendPaymentFailedAsync(string email, decimal amount, bool mentionInvoices) { return Task.FromResult(0); diff --git a/test/Core.Test/Billing/Extensions/InvoiceExtensionsTests.cs b/test/Core.Test/Billing/Extensions/InvoiceExtensionsTests.cs new file mode 100644 index 0000000000..a30e5e896c --- /dev/null +++ b/test/Core.Test/Billing/Extensions/InvoiceExtensionsTests.cs @@ -0,0 +1,394 @@ +using Bit.Core.Billing.Extensions; +using Stripe; +using Xunit; + +namespace Bit.Core.Test.Billing.Extensions; + +public class InvoiceExtensionsTests +{ + private static Invoice CreateInvoiceWithLines(params InvoiceLineItem[] lineItems) + { + return new Invoice + { + Lines = new StripeList + { + Data = lineItems?.ToList() ?? new List() + } + }; + } + + #region FormatForProvider Tests + + [Fact] + public void FormatForProvider_NullLines_ReturnsEmptyList() + { + // Arrange + var invoice = new Invoice + { + Lines = null + }; + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.NotNull(result); + Assert.Empty(result); + } + + [Fact] + public void FormatForProvider_EmptyLines_ReturnsEmptyList() + { + // Arrange + var invoice = CreateInvoiceWithLines(); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.NotNull(result); + Assert.Empty(result); + } + + [Fact] + public void FormatForProvider_NullLineItem_SkipsNullLine() + { + // Arrange + var invoice = CreateInvoiceWithLines(null); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.NotNull(result); + Assert.Empty(result); + } + + [Fact] + public void FormatForProvider_LineWithNullDescription_SkipsLine() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem { Description = null, Quantity = 1, Amount = 1000 } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.NotNull(result); + Assert.Empty(result); + } + + [Fact] + public void FormatForProvider_ProviderPortalTeams_FormatsCorrectly() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Provider Portal - Teams (at $6.00 / month)", + Quantity = 5, + Amount = 3000 + } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("5 × Manage service provider (at $6.00 / month)", result[0]); + } + + [Fact] + public void FormatForProvider_ProviderPortalEnterprise_FormatsCorrectly() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Provider Portal - Enterprise (at $4.00 / month)", + Quantity = 10, + Amount = 4000 + } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("10 × Manage service provider (at $4.00 / month)", result[0]); + } + + [Fact] + public void FormatForProvider_ProviderPortalWithoutPriceInfo_FormatsWithoutPrice() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Provider Portal - Teams", + Quantity = 3, + Amount = 1800 + } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("3 × Manage service provider ", result[0]); + } + + [Fact] + public void FormatForProvider_BusinessUnitPortalEnterprise_FormatsCorrectly() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Business Unit Portal - Enterprise (at $5.00 / month)", + Quantity = 8, + Amount = 4000 + } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("8 × Manage service provider (at $5.00 / month)", result[0]); + } + + [Fact] + public void FormatForProvider_BusinessUnitPortalGeneric_FormatsCorrectly() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Business Unit Portal (at $3.00 / month)", + Quantity = 2, + Amount = 600 + } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("2 × Manage service provider (at $3.00 / month)", result[0]); + } + + [Fact] + public void FormatForProvider_TaxLineWithPriceInfo_FormatsCorrectly() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Tax (at $2.00 / month)", + Quantity = 1, + Amount = 200 + } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("1 × Tax (at $2.00 / month)", result[0]); + } + + [Fact] + public void FormatForProvider_TaxLineWithoutPriceInfo_CalculatesPrice() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Tax", + Quantity = 2, + Amount = 400 // $4.00 total, $2.00 per item + } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("2 × Tax (at $2.00 / month)", result[0]); + } + + [Fact] + public void FormatForProvider_TaxLineWithZeroQuantity_DoesNotCalculatePrice() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Tax", + Quantity = 0, + Amount = 200 + } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("0 × Tax ", result[0]); + } + + [Fact] + public void FormatForProvider_OtherLineItem_ReturnsAsIs() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Some other service", + Quantity = 1, + Amount = 1000 + } + ); + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("Some other service", result[0]); + } + + [Fact] + public void FormatForProvider_InvoiceLevelTax_AddsToResult() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Provider Portal - Teams", + Quantity = 1, + Amount = 600 + } + ); + invoice.Tax = 120; // $1.20 in cents + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Equal(2, result.Count); + Assert.Equal("1 × Manage service provider ", result[0]); + Assert.Equal("1 × Tax (at $1.20 / month)", result[1]); + } + + [Fact] + public void FormatForProvider_NoInvoiceLevelTax_DoesNotAddTax() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Provider Portal - Teams", + Quantity = 1, + Amount = 600 + } + ); + invoice.Tax = null; + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("1 × Manage service provider ", result[0]); + } + + [Fact] + public void FormatForProvider_ZeroInvoiceLevelTax_DoesNotAddTax() + { + // Arrange + var invoice = CreateInvoiceWithLines( + new InvoiceLineItem + { + Description = "Provider Portal - Teams", + Quantity = 1, + Amount = 600 + } + ); + invoice.Tax = 0; + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Single(result); + Assert.Equal("1 × Manage service provider ", result[0]); + } + + [Fact] + public void FormatForProvider_ComplexScenario_HandlesAllLineTypes() + { + // Arrange + var lineItems = new StripeList(); + lineItems.Data = new List + { + new InvoiceLineItem + { + Description = "Provider Portal - Teams (at $6.00 / month)", Quantity = 5, Amount = 3000 + }, + new InvoiceLineItem + { + Description = "Provider Portal - Enterprise (at $4.00 / month)", Quantity = 10, Amount = 4000 + }, + new InvoiceLineItem { Description = "Tax", Quantity = 1, Amount = 800 }, + new InvoiceLineItem { Description = "Custom Service", Quantity = 2, Amount = 2000 } + }; + + var invoice = new Invoice + { + Lines = lineItems, + Tax = 200 // Additional $2.00 tax + }; + var subscription = new Subscription(); + + // Act + var result = invoice.FormatForProvider(subscription); + + // Assert + Assert.Equal(5, result.Count); + Assert.Equal("5 × Manage service provider (at $6.00 / month)", result[0]); + Assert.Equal("10 × Manage service provider (at $4.00 / month)", result[1]); + Assert.Equal("1 × Tax (at $8.00 / month)", result[2]); + Assert.Equal("Custom Service", result[3]); + Assert.Equal("1 × Tax (at $2.00 / month)", result[4]); + } + + #endregion +}