made add company details api and moved it in the host folder

src/modules/host/services/host.service.ts

@@ -5,6 +5,17 @@ import { AddPaymentDetailsDTO, CreateHostDto, UpdateHostDto } from '../dto/host.
 import * as bcrypt from 'bcryptjs';
 import ApiError from '../../../common/utils/helper/ApiError';
 import { User } from '@prisma/client';
+import { z } from 'zod';
+import { hostCompanyDetailsSchema } from '@/common/utils/validation/host/hostCompanyDetails.validation';
+
+type HostCompanyDetailsInput = z.infer<typeof hostCompanyDetailsSchema>;
+
+// Document input after S3 upload (with S3 URL as filePath)
+interface HostDocumentInput {
+  documentTypeXid: number;
+  documentName: string;
+  filePath: string; // S3 URL
+}
 
 @Injectable()
 export class HostService {
@@ -163,4 +174,61 @@ export class HostService {
  
     return addedPaymentDetails;
   }
+
+  async addCompanyDetails(
+    companyData: HostCompanyDetailsInput,
+    documents: HostDocumentInput[] // Documents with S3 URLs
+  ) {
+    return await this.prisma.$transaction(async (tx) => {
+      // ✅ Check for existing company
+      const existingHost = await tx.hostHeader.findFirst({
+        where: { registrationNumber: companyData.registrationNumber },
+      });
+
+      if (existingHost) {
+        throw new ApiError(400, 'Company already exists with this registration number');
+      }
+
+      // ✅ Create company record
+      const createdHost = await tx.hostHeader.create({
+        data: {
+          companyName: companyData.companyName,
+          hostRefNumber: companyData.hostRefNumber,
+          address1: companyData.address1,
+          address2: companyData.address2,
+          cityXid: companyData.cityXid,
+          stateXid: companyData.stateXid,
+          countryXid: companyData.countryXid,
+          pinCode: companyData.pinCode,
+          logoPath: companyData.logoPath,
+          isSubsidairy: companyData.isSubsidairy,
+          registrationNumber: companyData.registrationNumber,
+          panNumber: companyData.panNumber,
+          gstNumber: companyData.gstNumber,
+          formationDate: new Date(companyData.formationDate),
+          companyType: companyData.companyType,
+          websiteUrl: companyData.websiteUrl,
+          instagramUrl: companyData.instagramUrl,
+          facebookUrl: companyData.facebookUrl,
+          linkedinUrl: companyData.linkedinUrl,
+          twitterUrl: companyData.twitterUrl,
+          currencyXid: companyData.currencyXid,
+        },
+      });
+
+      // ✅ Create documents (if provided)
+      if (documents && documents.length > 0) {
+        const docsData = documents.map((doc) => ({
+          hostXid: createdHost.id,
+          documentTypeXid: doc.documentTypeXid,
+          documentName: doc.documentName,
+          filePath: doc.filePath,
+        }));
+
+        await tx.hostDocuments.createMany({ data: docsData });
+      }
+
+      return createdHost;
+    });
+  }
 }