[PM-13999] Show estimated tax for taxable countries (#5077)

src/Core/Billing/Models/Api/Requests/Accounts/PreviewIndividualInvoiceRequestModel.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Bit.Core.Billing.Models.Api.Requests.Accounts;
+
+public class PreviewIndividualInvoiceRequestBody
+{
+    [Required]
+    public PasswordManagerRequestModel PasswordManager { get; set; }
+
+    [Required]
+    public TaxInformationRequestModel TaxInformation { get; set; }
+}
+
+public class PasswordManagerRequestModel
+{
+    [Range(0, int.MaxValue)]
+    public int AdditionalStorage { get; set; }
+}

src/Core/Billing/Models/Api/Requests/Organizations/PreviewOrganizationInvoiceRequestModel.cs

@@ -0,0 +1,37 @@
+using System.ComponentModel.DataAnnotations;
+using Bit.Core.Billing.Enums;
+
+namespace Bit.Core.Billing.Models.Api.Requests.Organizations;
+
+public class PreviewOrganizationInvoiceRequestBody
+{
+    public Guid OrganizationId { get; set; }
+
+    [Required]
+    public PasswordManagerRequestModel PasswordManager { get; set; }
+
+    public SecretsManagerRequestModel SecretsManager { get; set; }
+
+    [Required]
+    public TaxInformationRequestModel TaxInformation { get; set; }
+}
+
+public class PasswordManagerRequestModel
+{
+    public PlanType Plan { get; set; }
+
+    [Range(0, int.MaxValue)]
+    public int Seats { get; set; }
+
+    [Range(0, int.MaxValue)]
+    public int AdditionalStorage { get; set; }
+}
+
+public class SecretsManagerRequestModel
+{
+    [Range(0, int.MaxValue)]
+    public int Seats { get; set; }
+
+    [Range(0, int.MaxValue)]
+    public int AdditionalMachineAccounts { get; set; }
+}

src/Core/Billing/Models/Api/Requests/TaxInformationRequestModel.cs

@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Bit.Core.Billing.Models.Api.Requests;
+
+public class TaxInformationRequestModel
+{
+    [Length(2, 2), Required]
+    public string Country { get; set; }
+
+    [Required]
+    public string PostalCode { get; set; }
+
+    public string TaxId { get; set; }
+}

src/Core/Billing/Models/Api/Responses/PreviewInvoiceResponseModel.cs

@@ -0,0 +1,7 @@
+namespace Bit.Core.Billing.Models.Api.Responses;
+
+public record PreviewInvoiceResponseModel(
+    decimal EffectiveTaxRate,
+    decimal TaxableBaseAmount,
+    decimal TaxAmount,
+    decimal TotalAmount);

src/Core/Billing/Models/PreviewInvoiceInfo.cs

@@ -0,0 +1,7 @@
+namespace Bit.Core.Billing.Models;
+
+public record PreviewInvoiceInfo(
+    decimal EffectiveTaxRate,
+    decimal TaxableBaseAmount,
+    decimal TaxAmount,
+    decimal TotalAmount);

src/Core/Billing/Models/Sales/OrganizationSale.cs

@@ -65,6 +65,7 @@ public class OrganizationSale
             signup.TaxInfo.BillingAddressCountry,
             signup.TaxInfo.BillingAddressPostalCode,
             signup.TaxInfo.TaxIdNumber,
+            signup.TaxInfo.TaxIdType,
             signup.TaxInfo.BillingAddressLine1,
             signup.TaxInfo.BillingAddressLine2,
             signup.TaxInfo.BillingAddressCity,

src/Core/Billing/Models/TaxIdType.cs

@@ -0,0 +1,22 @@
+using System.Text.RegularExpressions;
+
+namespace Bit.Core.Billing.Models;
+
+public class TaxIdType
+{
+    /// <summary>
+    /// ISO-3166-2 code for the country.
+    /// </summary>
+    public string Country { get; set; }
+
+    /// <summary>
+    /// The identifier in Stripe for the tax ID type.
+    /// </summary>
+    public string Code { get; set; }
+
+    public Regex ValidationExpression { get; set; }
+
+    public string Description { get; set; }
+
+    public string Example { get; set; }
+}

src/Core/Billing/Models/TaxInformation.cs

@@ -1,5 +1,4 @@
 using Bit.Core.Models.Business;
-using Stripe;
 
 namespace Bit.Core.Billing.Models;
 
@@ -7,6 +6,7 @@ public record TaxInformation(
     string Country,
     string PostalCode,
     string TaxId,
+    string TaxIdType,
     string Line1,
     string Line2,
     string City,
@@ -16,165 +16,9 @@ public record TaxInformation(
         taxInfo.BillingAddressCountry,
         taxInfo.BillingAddressPostalCode,
         taxInfo.TaxIdNumber,
+        taxInfo.TaxIdType,
         taxInfo.BillingAddressLine1,
         taxInfo.BillingAddressLine2,
         taxInfo.BillingAddressCity,
         taxInfo.BillingAddressState);
-
-    public (AddressOptions, List<CustomerTaxIdDataOptions>) GetStripeOptions()
-    {
-        var address = new AddressOptions
-        {
-            Country = Country,
-            PostalCode = PostalCode,
-            Line1 = Line1,
-            Line2 = Line2,
-            City = City,
-            State = State
-        };
-
-        var customerTaxIdDataOptionsList = !string.IsNullOrEmpty(TaxId)
-            ? new List<CustomerTaxIdDataOptions> { new() { Type = GetTaxIdType(), Value = TaxId } }
-            : null;
-
-        return (address, customerTaxIdDataOptionsList);
-    }
-
-    public string GetTaxIdType()
-    {
-        if (string.IsNullOrEmpty(Country) || string.IsNullOrEmpty(TaxId))
-        {
-            return null;
-        }
-
-        switch (Country.ToUpper())
-        {
-            case "AD":
-                return "ad_nrt";
-            case "AE":
-                return "ae_trn";
-            case "AR":
-                return "ar_cuit";
-            case "AU":
-                return "au_abn";
-            case "BO":
-                return "bo_tin";
-            case "BR":
-                return "br_cnpj";
-            case "CA":
-                // May break for those in Québec given the assumption of QST
-                if (State?.Contains("bec") ?? false)
-                {
-                    return "ca_qst";
-                }
-                return "ca_bn";
-            case "CH":
-                return "ch_vat";
-            case "CL":
-                return "cl_tin";
-            case "CN":
-                return "cn_tin";
-            case "CO":
-                return "co_nit";
-            case "CR":
-                return "cr_tin";
-            case "DO":
-                return "do_rcn";
-            case "EC":
-                return "ec_ruc";
-            case "EG":
-                return "eg_tin";
-            case "GE":
-                return "ge_vat";
-            case "ID":
-                return "id_npwp";
-            case "IL":
-                return "il_vat";
-            case "IS":
-                return "is_vat";
-            case "KE":
-                return "ke_pin";
-            case "AT":
-            case "BE":
-            case "BG":
-            case "CY":
-            case "CZ":
-            case "DE":
-            case "DK":
-            case "EE":
-            case "ES":
-            case "FI":
-            case "FR":
-            case "GB":
-            case "GR":
-            case "HR":
-            case "HU":
-            case "IE":
-            case "IT":
-            case "LT":
-            case "LU":
-            case "LV":
-            case "MT":
-            case "NL":
-            case "PL":
-            case "PT":
-            case "RO":
-            case "SE":
-            case "SI":
-            case "SK":
-                return "eu_vat";
-            case "HK":
-                return "hk_br";
-            case "IN":
-                return "in_gst";
-            case "JP":
-                return "jp_cn";
-            case "KR":
-                return "kr_brn";
-            case "LI":
-                return "li_uid";
-            case "MX":
-                return "mx_rfc";
-            case "MY":
-                return "my_sst";
-            case "NO":
-                return "no_vat";
-            case "NZ":
-                return "nz_gst";
-            case "PE":
-                return "pe_ruc";
-            case "PH":
-                return "ph_tin";
-            case "RS":
-                return "rs_pib";
-            case "RU":
-                return "ru_inn";
-            case "SA":
-                return "sa_vat";
-            case "SG":
-                return "sg_gst";
-            case "SV":
-                return "sv_nit";
-            case "TH":
-                return "th_vat";
-            case "TR":
-                return "tr_tin";
-            case "TW":
-                return "tw_vat";
-            case "UA":
-                return "ua_vat";
-            case "US":
-                return "us_ein";
-            case "UY":
-                return "uy_ruc";
-            case "VE":
-                return "ve_rif";
-            case "VN":
-                return "vn_tin";
-            case "ZA":
-                return "za_vat";
-            default:
-                return null;
-        }
-    }
 }