1017 lines
52 KiB
C#
1017 lines
52 KiB
C#
using AutoMapper;
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using Marco.Pms.DataAccess.Data;
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using Marco.Pms.Helpers.Utility;
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using Marco.Pms.Model.Dtos.PurchaseInvoice;
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using Marco.Pms.Model.Employees;
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using Marco.Pms.Model.Filters;
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using Marco.Pms.Model.MongoDBModels.Utility;
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using Marco.Pms.Model.OrganizationModel;
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using Marco.Pms.Model.Projects;
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using Marco.Pms.Model.PurchaseInvoice;
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using Marco.Pms.Model.ServiceProject;
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using Marco.Pms.Model.Utilities;
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using Marco.Pms.Model.ViewModels.Organization;
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using Marco.Pms.Model.ViewModels.Projects;
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using Marco.Pms.Model.ViewModels.PurchaseInvoice;
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using Marco.Pms.Services.Extensions;
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using Marco.Pms.Services.Service.ServiceInterfaces;
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using MarcoBMS.Services.Service;
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using Microsoft.EntityFrameworkCore;
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using System.Text.Json;
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using Document = Marco.Pms.Model.DocumentManager.Document;
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namespace Marco.Pms.Services.Service
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{
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public class PurchaseInvoiceService : IPurchaseInvoiceService
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{
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private readonly IDbContextFactory<ApplicationDbContext> _dbContextFactory;
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private readonly IServiceScopeFactory _serviceScopeFactory;
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private readonly ILoggingService _logger;
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private readonly S3UploadService _s3Service;
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private readonly IMapper _mapper;
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private readonly Guid DraftInvoiceStatusId = Guid.Parse("8a5ef25e-3c9e-45de-add9-6b1c1df54381");
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public PurchaseInvoiceService(IDbContextFactory<ApplicationDbContext> dbContextFactory,
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IServiceScopeFactory serviceScopeFactory,
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ILoggingService logger,
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S3UploadService s3Service,
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IMapper mapper)
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{
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_dbContextFactory = dbContextFactory;
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_serviceScopeFactory = serviceScopeFactory;
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_logger = logger;
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_s3Service = s3Service;
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_mapper = mapper;
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}
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#region =================================================================== Purchase Invoice Functions ===================================================================
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/// <summary>
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/// Retrieves a paged list of purchase invoices for a given tenant with support for
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/// advanced filters, project-based search across Infra and Service projects, and
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/// consistent structured logging and error handling.
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/// </summary>
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/// <param name="searchString">Optional basic search string (currently not used, kept for backward compatibility).</param>
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/// <param name="filter">JSON string containing advanced filter configuration (list/date/search/group filters).</param>
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/// <param name="isActive">Flag to filter active/inactive invoices.</param>
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/// <param name="pageSize">Number of records per page.</param>
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/// <param name="pageNumber">Current page number (1-based).</param>
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/// <param name="loggedInEmployee">Currently logged-in employee context.</param>
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/// <param name="tenantId">Tenant identifier for multi-tenant isolation.</param>
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/// <param name="ct">Cancellation token for cooperative cancellation.</param>
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/// <returns>Standard ApiResponse containing a paged invoice list payload.</returns>
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public async Task<ApiResponse<object>> GetPurchaseInvoiceListAsync(string? searchString, string? filter, bool isActive, int pageSize, int pageNumber, Employee loggedInEmployee, Guid tenantId,
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CancellationToken ct)
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{
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// Basic argument validation and guard clauses
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if (tenantId == Guid.Empty)
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{
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_logger.LogWarning("GetPurchaseInvoiceListAsync called with empty TenantId. EmployeeId: {EmployeeId}", loggedInEmployee.Id);
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return ApiResponse<object>.ErrorResponse("Tenant information is missing. Please retry with a valid tenant.", 400);
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}
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if (pageSize <= 0 || pageNumber <= 0)
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{
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_logger.LogWarning(
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"GetPurchaseInvoiceListAsync called with invalid paging parameters. TenantId: {TenantId}, EmployeeId: {EmployeeId}, PageSize: {PageSize}, PageNumber: {PageNumber}",
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tenantId, loggedInEmployee.Id, pageSize, pageNumber);
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return ApiResponse<object>.ErrorResponse("Invalid paging parameters. Page size and page number must be greater than zero.", 400);
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}
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// A correlationId can be pushed earlier in middleware and enriched into all logs.
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// Here it is assumed to be available through some context (e.g. _requestContext).
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_logger.LogInfo(
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"GetPurchaseInvoiceListAsync started. TenantId: {TenantId}, EmployeeId: {EmployeeId}, IsActive: {IsActive}, PageSize: {PageSize}, PageNumber: {PageNumber}",
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tenantId, loggedInEmployee.Id, isActive, pageSize, pageNumber);
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try
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{
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await using var context = await _dbContextFactory.CreateDbContextAsync(ct);
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// Base query for purchase invoices scoped to tenant and active flag
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IQueryable<PurchaseInvoiceDetails> query = context.PurchaseInvoiceDetails
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.Include(pid => pid.Organization)
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.Include(pid => pid.Supplier)
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.Include(pid => pid.Status)
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.Where(pid => pid.IsActive == isActive && pid.TenantId == tenantId);
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var advanceFilter = TryDeserializeFilter(filter);
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// Apply ordering, default sort, etc. through your custom extension
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query = query.ApplyCustomFilters(advanceFilter, "CreatedAt");
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if (advanceFilter != null)
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{
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// Apply list / dropdown / enum filters
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if (advanceFilter.Filters != null)
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{
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query = query.ApplyListFilters(advanceFilter.Filters);
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}
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// Apply created/modified date range filters
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if (advanceFilter.DateFilter != null)
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{
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query = query.ApplyDateFilter(advanceFilter.DateFilter);
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}
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// Apply non-project search filters on invoice fields
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if (advanceFilter.SearchFilters != null)
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{
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// NOTE: fixed logic - use && so that Project/ProjectName are excluded
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var invoiceSearchFilter = advanceFilter.SearchFilters
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.Where(f => f.Column != "ProjectName" && f.Column != "Project")
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.ToList();
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if (invoiceSearchFilter.Any())
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{
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query = query.ApplySearchFilters(invoiceSearchFilter);
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}
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}
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// Apply grouping if configured
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if (!string.IsNullOrWhiteSpace(advanceFilter.GroupByColumn))
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{
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query = query.ApplyGroupByFilters(advanceFilter.GroupByColumn);
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}
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}
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bool isProjectFilter = false;
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// Run project lookups in parallel to reduce latency for project search scenarios.
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// Each task gets its own DbContext instance from the factory.
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var infraProjectTask = Task.Run(async () =>
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{
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await using var projContext = await _dbContextFactory.CreateDbContextAsync(ct);
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IQueryable<Project> infraProjectsQuery = projContext.Projects
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.Where(p => p.TenantId == tenantId);
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if (advanceFilter?.SearchFilters != null && advanceFilter.SearchFilters.Any())
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{
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var projectSearchFilter = advanceFilter.SearchFilters
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.Where(f => f.Column == "ProjectName" || f.Column == "Project")
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.Select(f => new SearchItem { Column = "Name", Value = f.Value })
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.ToList();
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if (projectSearchFilter.Any())
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{
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infraProjectsQuery = infraProjectsQuery.ApplySearchFilters(projectSearchFilter);
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isProjectFilter = true; // NOTE: shared flag, see comment below.
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}
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}
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return await infraProjectsQuery
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.Select(p => _mapper.Map<BasicProjectVM>(p))
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.ToListAsync(ct);
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}, ct);
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var serviceProjectTask = Task.Run(async () =>
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{
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await using var projContext = await _dbContextFactory.CreateDbContextAsync(ct);
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IQueryable<ServiceProject> serviceProjectsQuery = projContext.ServiceProjects
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.Where(sp => sp.TenantId == tenantId);
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if (advanceFilter?.SearchFilters != null && advanceFilter.SearchFilters.Any())
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{
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var projectSearchFilter = advanceFilter.SearchFilters
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.Where(f => f.Column == "ProjectName" || f.Column == "Project")
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.Select(f => new SearchItem { Column = "Name", Value = f.Value })
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.ToList();
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if (projectSearchFilter.Any())
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{
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serviceProjectsQuery = serviceProjectsQuery.ApplySearchFilters(projectSearchFilter);
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isProjectFilter = true; // This is safe for bool but can be refactored for purity.
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}
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}
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return await serviceProjectsQuery
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.Select(sp => _mapper.Map<BasicProjectVM>(sp))
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.ToListAsync(ct);
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}, ct);
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await Task.WhenAll(infraProjectTask, serviceProjectTask);
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var projects = infraProjectTask.Result ?? new List<BasicProjectVM>();
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if (serviceProjectTask.Result != null && serviceProjectTask.Result.Any())
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{
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projects.AddRange(serviceProjectTask.Result);
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}
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// If project filters were involved, constrain invoices to those projects
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if (isProjectFilter && projects.Any())
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{
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var projectIds = projects.Select(p => p.Id).ToList();
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query = query.Where(pid => projectIds.Contains(pid.ProjectId));
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}
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// Compute total count before paging
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var totalCount = await query.CountAsync(ct);
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// Apply paging
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var purchaseInvoices = await query
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.Skip((pageNumber - 1) * pageSize)
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.Take(pageSize)
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.ToListAsync(ct);
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var totalPages = totalCount == 0
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? 0
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: (int)Math.Ceiling((double)totalCount / pageSize);
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// Map invoice entities to view model and attach project details
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var response = purchaseInvoices.Select(pi =>
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{
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var vm = _mapper.Map<PurchaseInvoiceListVM>(pi);
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vm.Project = projects.FirstOrDefault(p => p.Id == pi.ProjectId);
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return vm;
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}).ToList();
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var pagedResult = new
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{
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CurrentPage = pageNumber,
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PageSize = pageSize,
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TotalPages = totalPages,
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TotalCount = totalCount,
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HasPrevious = pageNumber > 1,
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HasNext = pageNumber < totalPages,
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Data = response
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};
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_logger.LogInfo(
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"GetPurchaseInvoiceListAsync completed successfully. TenantId: {TenantId}, EmployeeId: {EmployeeId}, TotalCount: {TotalCount}, ReturnedCount: {ReturnedCount}, PageNumber: {PageNumber}, PageSize: {PageSize}",
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tenantId, loggedInEmployee.Id, totalCount, response.Count, pageNumber, pageSize);
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var successMessage = totalCount == 0
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? "No purchase invoices found for the specified criteria."
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: "Purchase invoice list fetched successfully.";
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return ApiResponse<object>.SuccessResponse(pagedResult, successMessage, 200);
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}
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catch (OperationCanceledException ocex)
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{
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// Respect cancellation and return a 499-style semantic code if your ApiResponse supports it
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_logger.LogError(ocex, "GetPurchaseInvoiceListAsync request was canceled. TenantId: {TenantId}, EmployeeId: {EmployeeId}", tenantId, loggedInEmployee.Id);
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return ApiResponse<object>.ErrorResponse("The request was canceled by the client or the server. Please retry if this was unintentional.", 499);
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}
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catch (DbUpdateException dbEx)
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{
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_logger.LogError(dbEx,
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"Database error while fetching purchase invoices. TenantId: {TenantId}, EmployeeId: {EmployeeId}", tenantId, loggedInEmployee.Id);
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return ApiResponse<object>.ErrorResponse("A database error occurred while fetching purchase invoices. Please try again later or contact support.", 500);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Unhandled exception in GetPurchaseInvoiceListAsync. CorrelationId: {CorrelationId}, TenantId: {TenantId}, EmployeeId: {EmployeeId}", tenantId, loggedInEmployee.Id);
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return ApiResponse<object>.ErrorResponse("An unexpected error occurred while fetching purchase invoices. Please try again later or contact support.", 500);
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}
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}
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/// <summary>
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/// Retrieves the details of a specific purchase invoice, including project details and S3 attachment links.
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/// </summary>
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/// <param name="id">The unique identifier of the Purchase Invoice.</param>
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/// <param name="loggedInEmployee">The employee requesting the data.</param>
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/// <param name="tenantId">The tenant identifier for data isolation.</param>
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/// <param name="ct">Cancellation token for async operations.</param>
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/// <returns>A wrapped response containing the Purchase Invoice View Model.</returns>
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public async Task<ApiResponse<PurchaseInvoiceDetailsVM>> GetPurchaseInvoiceDetailsAsync(Guid id, Employee loggedInEmployee, Guid tenantId, CancellationToken ct)
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{
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// 1. Structured Logging: Log entry with context
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_logger.LogInfo("Fetching Purchase Invoice details. InvoiceId: {InvoiceId}, TenantId: {TenantId}", id, tenantId);
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try
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{
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await using var context = await _dbContextFactory.CreateDbContextAsync(ct);
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// 2. Performance: Use AsNoTracking for read-only queries.
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// Use AsSplitQuery to avoid Cartesian explosion on multiple Includes.
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var purchaseInvoice = await context.PurchaseInvoiceDetails
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.AsNoTracking()
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.AsSplitQuery()
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.Include(pid => pid.Organization)
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.Include(pid => pid.Supplier)
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.Include(pid => pid.Status)
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.Include(pid => pid.CreatedBy).ThenInclude(e => e!.JobRole)
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.Include(pid => pid.UpdatedBy).ThenInclude(e => e!.JobRole)
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.Where(pid => pid.Id == id && pid.TenantId == tenantId)
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.FirstOrDefaultAsync(ct);
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// 3. Validation: Handle Not Found immediately
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if (purchaseInvoice == null || !purchaseInvoice.IsActive)
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{
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_logger.LogWarning("Purchase Invoice not found or inactive. InvoiceId: {InvoiceId}", id);
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return ApiResponse<PurchaseInvoiceDetailsVM>.ErrorResponse("Purchase invoice not found", "The specified purchase invoice does not exist or has been deleted.", 404);
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}
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// 4. Parallel Execution: Fetch Project details efficiently
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// Note: Assuming these methods return null if not found, rather than throwing.
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var infraProjectTask = LoadInfraProjectAsync(purchaseInvoice.ProjectId, tenantId);
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var serviceProjectTask = LoadServiceProjectAsync(purchaseInvoice.ProjectId, tenantId);
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await Task.WhenAll(infraProjectTask, serviceProjectTask);
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// Safely retrieve results without blocking .Result
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var project = await infraProjectTask ?? await serviceProjectTask;
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if (project == null)
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{
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_logger.LogWarning("Data Inconsistency: Project not found for InvoiceId: {InvoiceId}, ProjectId: {ProjectId}", id, purchaseInvoice.ProjectId);
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return ApiResponse<PurchaseInvoiceDetailsVM>.ErrorResponse("Project not found", "The project associated with this invoice could not be found.", 404);
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}
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// 5. Optimized Attachment Fetching
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var attachments = await context.PurchaseInvoiceAttachments
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.AsNoTracking()
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.Include(pia => pia.Document)
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.Include(pia => pia.InvoiceAttachmentType)
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.Where(pia =>
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pia.PurchaseInvoiceId == id &&
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pia.TenantId == tenantId &&
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pia.Document != null &&
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pia.InvoiceAttachmentType != null)
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.ToListAsync(ct);
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// 6. Mapping & Transformation
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var response = _mapper.Map<PurchaseInvoiceDetailsVM>(purchaseInvoice);
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response.Project = project;
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if (attachments.Count > 0)
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{
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response.Attachments = attachments.Select(a =>
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{
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var result = _mapper.Map<PurchaseInvoiceAttachmentVM>(a);
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// Ensure S3 Key exists before generating URL to prevent SDK errors
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if (a.Document != null)
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{
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result.PreSignedUrl = _s3Service.GeneratePreSignedUrl(a.Document.S3Key);
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// Fallback logic for thumbnail
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var thumbKey = !string.IsNullOrEmpty(a.Document.ThumbS3Key)
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? a.Document.ThumbS3Key
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: a.Document.S3Key;
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result.ThumbPreSignedUrl = _s3Service.GeneratePreSignedUrl(thumbKey);
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}
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return result;
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}).ToList();
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}
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else
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{
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response.Attachments = new List<PurchaseInvoiceAttachmentVM>();
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}
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_logger.LogInfo("Successfully fetched Purchase Invoice details. InvoiceId: {InvoiceId}", id);
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return ApiResponse<PurchaseInvoiceDetailsVM>.SuccessResponse(response, "Purchase invoice details fetched successfully.", 200);
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}
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catch (OperationCanceledException)
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{
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// Handle request cancellation (e.g., user navigates away)
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_logger.LogWarning("Request was cancelled by the user. InvoiceId: {InvoiceId}", id);
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return ApiResponse<PurchaseInvoiceDetailsVM>.ErrorResponse("Request Cancelled", "The operation was cancelled.", 499);
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}
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catch (Exception ex)
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{
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// 7. Global Error Handling
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_logger.LogError(ex, "An unhandled exception occurred while fetching Purchase Invoice. InvoiceId: {InvoiceId}", id);
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return ApiResponse<PurchaseInvoiceDetailsVM>.ErrorResponse("Internal Server Error", "An unexpected error occurred while processing your request. Please contact support.",
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500);
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}
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}
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/// <summary>
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/// Creates a new Purchase Invoice with validation, S3 file uploads, and transactional database storage.
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/// </summary>
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/// <param name="model">The invoice data transfer object.</param>
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/// <param name="loggedInEmployee">The current user context.</param>
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/// <param name="tenantId">The tenant identifier.</param>
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/// <param name="ct">Cancellation token.</param>
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/// <returns>The created invoice view model wrapped in an API response.</returns>
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public async Task<ApiResponse<PurchaseInvoiceListVM>> CreatePurchaseInvoiceAsync(PurchaseInvoiceDto model, Employee loggedInEmployee, Guid tenantId, CancellationToken ct = default)
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{
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// 1. INPUT VALIDATION
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if (model == null) throw new ArgumentNullException(nameof(model));
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// Scoped variables to hold validation results to avoid fetching them again later
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BasicProjectVM? projectVm = null;
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Organization? organization = null;
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Organization? supplier = null;
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PurchaseInvoiceStatus? status = null;
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try
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{
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_logger.LogInfo("Initiating Purchase Invoice creation for ProjectId: {ProjectId}, TenantId: {TenantId}", model.ProjectId, tenantId);
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// 2. DATA VALIDATION (Fail-Fast Strategy)
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// We use a single Context instance here for read-only validation.
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// It is more efficient than opening 5 parallel connections.
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await using var readContext = await _dbContextFactory.CreateDbContextAsync(ct);
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// A. Validate Project (Check Infra, if null check Service)
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// Optimized: Only fetch what is needed using Select first
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var infraProject = await readContext.Projects
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.AsNoTracking()
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.Where(p => p.Id == model.ProjectId && p.TenantId == tenantId)
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.Select(p => _mapper.Map<BasicProjectVM>(p))
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.FirstOrDefaultAsync(ct);
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if (infraProject == null)
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{
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var serviceProject = await readContext.ServiceProjects
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.AsNoTracking()
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.Where(sp => sp.Id == model.ProjectId && sp.IsActive && sp.TenantId == tenantId)
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.Select(p => _mapper.Map<BasicProjectVM>(p))
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.FirstOrDefaultAsync(ct);
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if (serviceProject == null)
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{
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_logger.LogWarning("CreatePurchaseInvoice failed: Project {ProjectId} not found for Tenant {TenantId}", model.ProjectId, tenantId);
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return ApiResponse<PurchaseInvoiceListVM>.ErrorResponse("Project not found", "The specified project does not exist.", 404);
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}
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projectVm = serviceProject;
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}
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else
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{
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projectVm = infraProject;
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}
|
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// B. Validate Organization
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organization = await readContext.Organizations
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.AsNoTracking()
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.FirstOrDefaultAsync(o => o.Id == model.OrganizationId && o.IsActive, ct);
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if (organization == null)
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{
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_logger.LogWarning("CreatePurchaseInvoice failed: Organization {OrganizationId} not found.", model.OrganizationId);
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return ApiResponse<PurchaseInvoiceListVM>.ErrorResponse("Organization not found", "The selected organization is invalid.", 404);
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}
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// C. Validate Supplier
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supplier = await readContext.Organizations
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.AsNoTracking()
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.FirstOrDefaultAsync(o => o.Id == model.SupplierId && o.IsActive, ct);
|
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|
|
if (supplier == null)
|
|
{
|
|
_logger.LogWarning("CreatePurchaseInvoice failed: Supplier {SupplierId} not found.", model.SupplierId);
|
|
return ApiResponse<PurchaseInvoiceListVM>.ErrorResponse("Supplier not found", "The selected supplier is invalid.", 404);
|
|
}
|
|
|
|
// D. Validate Status
|
|
status = await readContext.PurchaseInvoiceStatus
|
|
.AsNoTracking()
|
|
.FirstOrDefaultAsync(s => s.Id == DraftInvoiceStatusId, ct);
|
|
|
|
if (status == null)
|
|
{
|
|
_logger.LogWarning("CreatePurchaseInvoice critical: Default 'Draft' status ID {StatusId} is missing from DB.", DraftInvoiceStatusId);
|
|
return ApiResponse<PurchaseInvoiceListVM>.ErrorResponse("System Error", "Default invoice status configuration is missing.", 500);
|
|
}
|
|
|
|
// 3. PREPARE S3 UPLOADS (Optimistic Upload Pattern)
|
|
// We upload files BEFORE opening the DB transaction to prevent locking the DB during slow network I/O.
|
|
// If DB save fails, we will trigger a cleanup in the catch block.
|
|
var uploadedS3Keys = new List<string>(); // Keep track for rollback
|
|
var preparedDocuments = new List<Document>();
|
|
var preparedAttachments = new List<PurchaseInvoiceAttachment>();
|
|
|
|
// Generate Invoice ID early for S3 folder structure
|
|
var newInvoiceId = Guid.NewGuid();
|
|
|
|
if (model.Attachments.Any())
|
|
{
|
|
var batchId = Guid.NewGuid();
|
|
|
|
// Fetch Attachment Types
|
|
var typeIds = model.Attachments.Select(a => a.InvoiceAttachmentTypeId).ToList();
|
|
var types = await readContext.InvoiceAttachmentTypes.Where(iat => typeIds.Contains(iat.Id)).ToListAsync(ct);
|
|
|
|
foreach (var attachment in model.Attachments)
|
|
{
|
|
// Validate Type
|
|
if (!types.Any(t => t.Id == attachment.InvoiceAttachmentTypeId))
|
|
{
|
|
_logger.LogWarning("CreatePurchaseInvoice failed: Attachment type {InvoiceAttachmentTypeId} is invalid.", attachment.InvoiceAttachmentTypeId);
|
|
return ApiResponse<PurchaseInvoiceListVM>.ErrorResponse("Invalid Attachment", $"Attachment type {attachment.InvoiceAttachmentTypeId} is invalid.", 400);
|
|
}
|
|
|
|
// Validate Base64
|
|
var base64Data = attachment.Base64Data?.Split(',').LastOrDefault();
|
|
if (string.IsNullOrWhiteSpace(base64Data))
|
|
{
|
|
_logger.LogWarning("CreatePurchaseInvoice failed: Attachment {FileName} contains no data.", attachment.FileName ?? "<unnamed>");
|
|
return ApiResponse<PurchaseInvoiceListVM>.ErrorResponse("Invalid Attachment", $"Attachment {attachment.FileName} contains no data.", 400);
|
|
}
|
|
|
|
// Process Metadata
|
|
var fileType = _s3Service.GetContentTypeFromBase64(base64Data);
|
|
// Use default extension if fileType extraction fails, prevents crashing
|
|
var safeFileType = string.IsNullOrEmpty(fileType) ? "application/octet-stream" : fileType;
|
|
var fileName = attachment.FileName ?? _s3Service.GenerateFileName(safeFileType, tenantId, "invoice");
|
|
var objectKey = $"tenant-{tenantId}/PurchaseInvoice/{newInvoiceId}/{fileName}";
|
|
|
|
// Perform Upload
|
|
await _s3Service.UploadFileAsync(base64Data, safeFileType, objectKey);
|
|
uploadedS3Keys.Add(objectKey); // Track for rollback
|
|
|
|
// Prepare Entities
|
|
var documentId = Guid.NewGuid();
|
|
preparedDocuments.Add(new Document
|
|
{
|
|
Id = documentId,
|
|
BatchId = batchId,
|
|
UploadedById = loggedInEmployee.Id,
|
|
FileName = fileName,
|
|
ContentType = attachment.ContentType ?? safeFileType,
|
|
S3Key = objectKey,
|
|
FileSize = attachment.FileSize,
|
|
UploadedAt = DateTime.UtcNow,
|
|
TenantId = tenantId
|
|
});
|
|
|
|
preparedAttachments.Add(new PurchaseInvoiceAttachment
|
|
{
|
|
Id = Guid.NewGuid(),
|
|
InvoiceAttachmentTypeId = attachment.InvoiceAttachmentTypeId,
|
|
PurchaseInvoiceId = newInvoiceId,
|
|
DocumentId = documentId,
|
|
UploadedAt = DateTime.UtcNow,
|
|
UploadedById = loggedInEmployee.Id,
|
|
TenantId = tenantId
|
|
});
|
|
}
|
|
}
|
|
|
|
// 4. TRANSACTIONAL PERSISTENCE
|
|
await using var writeContext = await _dbContextFactory.CreateDbContextAsync(ct);
|
|
|
|
// Use ExecutionStrategy for transient failure resiliency (e.g. cloud DB hiccups)
|
|
var strategy = writeContext.Database.CreateExecutionStrategy();
|
|
|
|
return await strategy.ExecuteAsync(async () =>
|
|
{
|
|
await using var transaction = await writeContext.Database.BeginTransactionAsync(ct);
|
|
try
|
|
{
|
|
// A. UID Generation
|
|
// Note: In high concurrency, "Max + 1" can cause duplicates.
|
|
// Ideally, lock the table or use a DB Sequence.
|
|
string uIDPrefix = $"PUR/{DateTime.Now:MMyy}";
|
|
|
|
var lastInvoice = await writeContext.PurchaseInvoiceDetails
|
|
.Where(e => e.UIDPrefix == uIDPrefix && e.TenantId == tenantId) // Ensure Tenant Check
|
|
.OrderByDescending(e => e.UIDPostfix)
|
|
.Select(x => x.UIDPostfix) // Select only what we need
|
|
.FirstOrDefaultAsync(ct);
|
|
|
|
int uIDPostfix = (lastInvoice == 0 ? 0 : lastInvoice) + 1;
|
|
|
|
// B. Map & Add Invoice
|
|
var purchaseInvoice = _mapper.Map<PurchaseInvoiceDetails>(model);
|
|
purchaseInvoice.Id = newInvoiceId; // Set the ID we generated earlier
|
|
purchaseInvoice.UIDPrefix = uIDPrefix;
|
|
purchaseInvoice.UIDPostfix = uIDPostfix;
|
|
purchaseInvoice.StatusId = status.Id;
|
|
purchaseInvoice.CreatedAt = DateTime.UtcNow;
|
|
purchaseInvoice.CreatedById = loggedInEmployee.Id;
|
|
purchaseInvoice.IsActive = true;
|
|
purchaseInvoice.TenantId = tenantId;
|
|
|
|
writeContext.PurchaseInvoiceDetails.Add(purchaseInvoice);
|
|
|
|
// C. Add Documents if any
|
|
if (preparedDocuments.Any())
|
|
{
|
|
writeContext.Documents.AddRange(preparedDocuments);
|
|
writeContext.PurchaseInvoiceAttachments.AddRange(preparedAttachments);
|
|
}
|
|
|
|
await writeContext.SaveChangesAsync(ct);
|
|
await transaction.CommitAsync(ct);
|
|
|
|
_logger.LogInfo("Purchase Invoice created successfully. ID: {InvoiceId}, UID: {UID}", purchaseInvoice.Id, $"{uIDPrefix}-{uIDPostfix}");
|
|
|
|
// D. Prepare Response
|
|
var response = _mapper.Map<PurchaseInvoiceListVM>(purchaseInvoice);
|
|
response.Status = status;
|
|
response.Project = projectVm;
|
|
response.Supplier = _mapper.Map<BasicOrganizationVm>(supplier);
|
|
|
|
return ApiResponse<PurchaseInvoiceListVM>.SuccessResponse(response, "Purchase invoice created successfully", 201);
|
|
}
|
|
catch (DbUpdateException ex)
|
|
{
|
|
await transaction.RollbackAsync(ct);
|
|
|
|
// 5. COMPENSATION (S3 Rollback)
|
|
// If DB failed, we must delete the orphaned files from S3 to save cost and storage.
|
|
if (uploadedS3Keys != null && uploadedS3Keys.Any())
|
|
{
|
|
_logger.LogInfo("Rolling back S3 uploads for failed invoice creation.");
|
|
// Fire and forget cleanup, or await if strict consistency is required
|
|
foreach (var key in uploadedS3Keys)
|
|
{
|
|
try { await _s3Service.DeleteFileAsync(key); }
|
|
catch (Exception s3Ex) { _logger.LogError(s3Ex, "Failed to cleanup S3 file {Key} during rollback", key); }
|
|
}
|
|
}
|
|
_logger.LogError(ex, "Failed to create purchase invoice for Tenant {TenantId}. Error: {Message}", tenantId, ex.Message);
|
|
|
|
return ApiResponse<PurchaseInvoiceListVM>.ErrorResponse("Creation Failed", "An unexpected error occurred while processing your request.", 500);
|
|
}
|
|
});
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.LogError(ex, "Failed to create purchase invoice for Tenant {TenantId}. Error: {Message}", tenantId, ex.Message);
|
|
return ApiResponse<PurchaseInvoiceListVM>.ErrorResponse("Creation Failed", "An unexpected error occurred while processing your request.", 500);
|
|
}
|
|
}
|
|
|
|
public async Task<ApiResponse<object>> UpdatePurchaseInvoiceAsync(Guid id, PurchaseInvoiceDetails purchaseInvoice, PurchaseInvoiceDto model, Employee loggedInEmployee, Guid tenantId, CancellationToken ct)
|
|
{
|
|
// Validate input arguments and log warnings for invalid cases.
|
|
if (id == Guid.Empty)
|
|
{
|
|
_logger.LogWarning("UpdatePurchaseInvoiceAsync called with empty invoice Id. TenantId: {TenantId}, EmployeeId: {EmployeeId}", tenantId, loggedInEmployee.Id);
|
|
|
|
return ApiResponse<object>.ErrorResponse(
|
|
"Invalid invoice identifier",
|
|
"The purchase invoice identifier cannot be empty.",
|
|
400);
|
|
}
|
|
|
|
if (tenantId == Guid.Empty)
|
|
{
|
|
_logger.LogWarning("UpdatePurchaseInvoiceAsync called with empty tenant Id. InvoiceId: {InvoiceId}, EmployeeId: {EmployeeId}", id, loggedInEmployee.Id);
|
|
|
|
return ApiResponse<object>.ErrorResponse(
|
|
"Invalid tenant identifier",
|
|
"The tenant identifier cannot be empty.",
|
|
400);
|
|
}
|
|
|
|
_logger.LogInfo("Starting UpdatePurchaseInvoiceAsync. InvoiceId: {InvoiceId}, TenantId: {TenantId}, EmployeeId: {EmployeeId}", id, tenantId, loggedInEmployee.Id);
|
|
|
|
await using var context = await _dbContextFactory.CreateDbContextAsync(ct);
|
|
await using var transaction = await context.Database.BeginTransactionAsync();
|
|
try
|
|
{
|
|
// Scoped helper service for update logs.
|
|
using var scope = _serviceScopeFactory.CreateScope();
|
|
var updateLogHelper = scope.ServiceProvider.GetRequiredService<UtilityMongoDBHelper>();
|
|
|
|
// 1. Validate existence of Project (Infra or Service).
|
|
var infraProject = await context.Projects
|
|
.AsNoTracking()
|
|
.Where(p => p.Id == model.ProjectId && p.TenantId == tenantId)
|
|
.Select(p => _mapper.Map<BasicProjectVM>(p))
|
|
.FirstOrDefaultAsync(ct);
|
|
|
|
BasicProjectVM? projectVm;
|
|
if (infraProject == null)
|
|
{
|
|
var serviceProject = await context.ServiceProjects
|
|
.AsNoTracking()
|
|
.Where(sp => sp.Id == model.ProjectId && sp.IsActive && sp.TenantId == tenantId)
|
|
.Select(p => _mapper.Map<BasicProjectVM>(p))
|
|
.FirstOrDefaultAsync(ct);
|
|
|
|
if (serviceProject == null)
|
|
{
|
|
_logger.LogWarning("UpdatePurchaseInvoiceAsync failed: Project {ProjectId} not found for Tenant {TenantId}", model.ProjectId, tenantId);
|
|
|
|
return ApiResponse<object>.ErrorResponse("Project not found", "The specified project does not exist.", 404);
|
|
}
|
|
projectVm = serviceProject;
|
|
}
|
|
else
|
|
{
|
|
projectVm = infraProject;
|
|
}
|
|
|
|
// 2. Validate Organization.
|
|
var organization = await context.Organizations
|
|
.AsNoTracking()
|
|
.FirstOrDefaultAsync(o => o.Id == model.OrganizationId && o.IsActive, ct);
|
|
|
|
if (organization == null)
|
|
{
|
|
_logger.LogWarning("UpdatePurchaseInvoiceAsync failed: Organization {OrganizationId} not found or inactive.", model.OrganizationId);
|
|
|
|
return ApiResponse<object>.ErrorResponse("Organization not found", "The selected organization is invalid or inactive.", 404);
|
|
}
|
|
|
|
// 3. Validate Supplier.
|
|
var supplier = await context.Organizations
|
|
.AsNoTracking()
|
|
.FirstOrDefaultAsync(o => o.Id == model.SupplierId && o.IsActive, ct);
|
|
|
|
if (supplier == null)
|
|
{
|
|
_logger.LogWarning("UpdatePurchaseInvoiceAsync failed: Supplier {SupplierId} not found or inactive.", model.SupplierId);
|
|
|
|
return ApiResponse<object>.ErrorResponse("Supplier not found", "The selected supplier is invalid or inactive.", 404);
|
|
}
|
|
|
|
// 4. Validate PurchaseInvoiceStatus.
|
|
var status = await context.PurchaseInvoiceStatus
|
|
.AsNoTracking()
|
|
.FirstOrDefaultAsync(s => s.Id == model.StatusId, ct);
|
|
|
|
if (status == null)
|
|
{
|
|
_logger.LogError(null, "UpdatePurchaseInvoiceAsync critical: Missing required purchase invoice status ID {StatusId}.", model.StatusId);
|
|
|
|
return ApiResponse<object>.ErrorResponse(
|
|
"System configuration error",
|
|
"Required purchase invoice status configuration is missing in the system.",
|
|
500);
|
|
}
|
|
|
|
// Save previous state for audit/logging.
|
|
var existingEntityBson = updateLogHelper.EntityToBsonDocument(purchaseInvoice);
|
|
|
|
// Map updated fields from DTO to entity.
|
|
_mapper.Map(model, purchaseInvoice);
|
|
purchaseInvoice.UpdatedAt = DateTime.UtcNow;
|
|
purchaseInvoice.UpdatedById = loggedInEmployee.Id;
|
|
|
|
context.PurchaseInvoiceDetails.Update(purchaseInvoice);
|
|
await context.SaveChangesAsync(ct);
|
|
|
|
// 5. Handle attachments update.
|
|
var newAttachments = model.Attachments.Where(a => a.IsActive).ToList();
|
|
var deleteAttachmentIds = model.Attachments
|
|
.Where(a => a.DocumentId.HasValue && !a.IsActive)
|
|
.Select(a => a.DocumentId!.Value)
|
|
.ToList();
|
|
|
|
if (newAttachments.Any())
|
|
{
|
|
var batchId = Guid.NewGuid();
|
|
|
|
// Validate attachment types.
|
|
var typeIds = newAttachments.Select(a => a.InvoiceAttachmentTypeId).Distinct().ToList();
|
|
var validTypes = await context.InvoiceAttachmentTypes
|
|
.Where(iat => typeIds.Contains(iat.Id))
|
|
.ToListAsync(ct);
|
|
|
|
var invalidTypeIds = typeIds.Except(validTypes.Select(t => t.Id)).ToList();
|
|
if (invalidTypeIds.Any())
|
|
{
|
|
foreach (var invalidId in invalidTypeIds)
|
|
{
|
|
_logger.LogWarning("UpdatePurchaseInvoiceAsync failed: Invalid attachment type ID {AttachmentTypeId}.", invalidId);
|
|
}
|
|
return ApiResponse<object>.ErrorResponse("Invalid attachment types", $"One or more attachment types are invalid: {string.Join(", ", invalidTypeIds)}", 400);
|
|
}
|
|
|
|
var preparedDocuments = new List<Document>();
|
|
var preparedAttachments = new List<PurchaseInvoiceAttachment>();
|
|
|
|
// Process each new attachment.
|
|
foreach (var attachment in newAttachments)
|
|
{
|
|
// Validate base64 data presence.
|
|
var base64Data = attachment.Base64Data?.Split(',').LastOrDefault();
|
|
if (string.IsNullOrWhiteSpace(base64Data))
|
|
{
|
|
_logger.LogWarning("UpdatePurchaseInvoiceAsync failed: Attachment '{FileName}' contains no data.", attachment.FileName ?? "<unnamed>");
|
|
|
|
return ApiResponse<object>.ErrorResponse("Invalid attachment", $"Attachment '{attachment.FileName ?? "<unnamed>"}' contains no valid data.", 400);
|
|
}
|
|
|
|
// Determine content type with fallback.
|
|
var fileType = _s3Service.GetContentTypeFromBase64(base64Data);
|
|
var safeFileType = string.IsNullOrEmpty(fileType) ? "application/octet-stream" : fileType;
|
|
|
|
var fileName = attachment.FileName ?? _s3Service.GenerateFileName(safeFileType, tenantId, "invoice");
|
|
var objectKey = $"tenant-{tenantId}/PurchaseInvoice/{id}/{fileName}";
|
|
|
|
// Upload file to S3 asynchronously.
|
|
await _s3Service.UploadFileAsync(base64Data, safeFileType, objectKey);
|
|
|
|
var documentId = Guid.NewGuid();
|
|
|
|
// Prepare Document entity.
|
|
preparedDocuments.Add(new Document
|
|
{
|
|
Id = documentId,
|
|
BatchId = batchId,
|
|
UploadedById = loggedInEmployee.Id,
|
|
FileName = fileName,
|
|
ContentType = attachment.ContentType ?? safeFileType,
|
|
S3Key = objectKey,
|
|
FileSize = attachment.FileSize,
|
|
UploadedAt = DateTime.UtcNow,
|
|
TenantId = tenantId,
|
|
});
|
|
|
|
// Prepare PurchaseInvoiceAttachment entity.
|
|
preparedAttachments.Add(new PurchaseInvoiceAttachment
|
|
{
|
|
Id = Guid.NewGuid(),
|
|
InvoiceAttachmentTypeId = attachment.InvoiceAttachmentTypeId,
|
|
PurchaseInvoiceId = id,
|
|
DocumentId = documentId,
|
|
UploadedAt = DateTime.UtcNow,
|
|
UploadedById = loggedInEmployee.Id,
|
|
TenantId = tenantId,
|
|
});
|
|
}
|
|
|
|
// Add batched uploaded documents and attachments.
|
|
context.Documents.AddRange(preparedDocuments);
|
|
context.PurchaseInvoiceAttachments.AddRange(preparedAttachments);
|
|
await context.SaveChangesAsync(ct);
|
|
}
|
|
|
|
// Delete attachments marked for removal.
|
|
if (deleteAttachmentIds.Any())
|
|
{
|
|
await DeleteAttachemnts(deleteAttachmentIds, ct);
|
|
_logger.LogInfo("Deleted {Count} attachments from PurchaseInvoiceId {InvoiceId} for TenantId {TenantId}", deleteAttachmentIds.Count, id, tenantId);
|
|
}
|
|
|
|
await transaction.CommitAsync();
|
|
|
|
// Push audit log entry asynchronously for traceability.
|
|
await updateLogHelper.PushToUpdateLogsAsync(
|
|
new UpdateLogsObject
|
|
{
|
|
EntityId = id.ToString(),
|
|
UpdatedById = loggedInEmployee.Id.ToString(),
|
|
OldObject = existingEntityBson,
|
|
UpdatedAt = DateTime.UtcNow
|
|
},
|
|
"PurchaseInvoiceModificationLog");
|
|
|
|
_logger.LogInfo("Purchase invoice updated successfully. InvoiceId: {InvoiceId}, TenantId: {TenantId}, UpdatedById: {UserId}", id, tenantId, loggedInEmployee.Id);
|
|
|
|
return ApiResponse<object>.SuccessResponse(model, "Purchase invoice updated successfully.", 200);
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
await transaction.RollbackAsync();
|
|
_logger.LogError(null, "UpdatePurchaseInvoiceAsync operation cancelled. InvoiceId: {InvoiceId}, TenantId: {TenantId}", id, tenantId);
|
|
|
|
return ApiResponse<object>.ErrorResponse("Request cancelled", "The update operation was cancelled by the client or the server.", 499);
|
|
}
|
|
catch (DbUpdateException ex)
|
|
{
|
|
await transaction.RollbackAsync();
|
|
_logger.LogError(ex, "Unexpected error during update of purchase invoice. InvoiceId: {InvoiceId}, TenantId: {TenantId}, UserId: {UserId}", id, tenantId, loggedInEmployee.Id);
|
|
|
|
return ApiResponse<object>.ErrorResponse("Update failed", "An unexpected error occurred while updating the purchase invoice. Please try again later.", 500);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.LogError(ex, "Unexpected error during update of purchase invoice. InvoiceId: {InvoiceId}, TenantId: {TenantId}, UserId: {UserId}", id, tenantId, loggedInEmployee.Id);
|
|
|
|
return ApiResponse<object>.ErrorResponse("Update failed", "An unexpected error occurred while updating the purchase invoice. Please try again later.", 500);
|
|
}
|
|
}
|
|
|
|
//public async Task<ApiResponse> DeletePurchaseInvoiceAsync(Guid id, Guid tenantId, CancellationToken ct = default)
|
|
|
|
#endregion
|
|
|
|
#region =================================================================== Delivery Challan Functions ===================================================================
|
|
#endregion
|
|
|
|
#region =================================================================== Purchase Invoice History Functions ===================================================================
|
|
#endregion
|
|
|
|
#region =================================================================== Helper Functions ===================================================================
|
|
|
|
public async Task<PurchaseInvoiceDetails?> GetPurchaseInvoiceByIdAsync(Guid id, Guid tenantId, CancellationToken ct = default)
|
|
{
|
|
await using var readContext = await _dbContextFactory.CreateDbContextAsync(ct);
|
|
var purchaseInvoice = await readContext.PurchaseInvoiceDetails
|
|
.Where(e => e.Id == id && e.TenantId == tenantId && e.IsActive)
|
|
.FirstOrDefaultAsync(ct);
|
|
|
|
if (purchaseInvoice == null)
|
|
{
|
|
_logger.LogWarning("Purchase Invoice not found. ID: {Id}, TenantID: {TenantId}", id, tenantId);
|
|
}
|
|
else
|
|
{
|
|
_logger.LogInfo("Purchase Invoice found. ID: {Id}, TenantID: {TenantId}", id, tenantId);
|
|
}
|
|
|
|
return purchaseInvoice;
|
|
}
|
|
private AdvanceFilter? TryDeserializeFilter(string? filter)
|
|
{
|
|
if (string.IsNullOrWhiteSpace(filter))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
var options = new JsonSerializerOptions { PropertyNameCaseInsensitive = true };
|
|
AdvanceFilter? advanceFilter = null;
|
|
|
|
try
|
|
{
|
|
// First, try to deserialize directly. This is the expected case (e.g., from a web client).
|
|
advanceFilter = JsonSerializer.Deserialize<AdvanceFilter>(filter, options);
|
|
}
|
|
catch (JsonException ex)
|
|
{
|
|
_logger.LogError(ex, "[{MethodName}] Failed to directly deserialize filter. Attempting to unescape and re-parse. Filter: {Filter}", nameof(TryDeserializeFilter), filter);
|
|
|
|
// If direct deserialization fails, it might be an escaped string (common with tools like Postman or some mobile clients).
|
|
try
|
|
{
|
|
// Unescape the string first, then deserialize the result.
|
|
string unescapedJsonString = JsonSerializer.Deserialize<string>(filter, options) ?? "";
|
|
if (!string.IsNullOrWhiteSpace(unescapedJsonString))
|
|
{
|
|
advanceFilter = JsonSerializer.Deserialize<AdvanceFilter>(unescapedJsonString, options);
|
|
}
|
|
}
|
|
catch (JsonException ex1)
|
|
{
|
|
// If both attempts fail, log the final error and return null.
|
|
_logger.LogError(ex1, "[{MethodName}] All attempts to deserialize the filter failed. Filter will be ignored. Filter: {Filter}", nameof(TryDeserializeFilter), filter);
|
|
return null;
|
|
}
|
|
}
|
|
return advanceFilter;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Helper method to load infrastructure project by id.
|
|
/// </summary>
|
|
private async Task<BasicProjectVM?> LoadInfraProjectAsync(Guid projectId, Guid tenantId)
|
|
{
|
|
await using var context = await _dbContextFactory.CreateDbContextAsync();
|
|
return await context.Projects.Where(p => p.Id == projectId && p.TenantId == tenantId).Select(p => _mapper.Map<BasicProjectVM>(p)).FirstOrDefaultAsync();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Helper method to load service project by id.
|
|
/// </summary>
|
|
private async Task<BasicProjectVM?> LoadServiceProjectAsync(Guid projectId, Guid tenantId)
|
|
{
|
|
await using var context = await _dbContextFactory.CreateDbContextAsync();
|
|
return await context.ServiceProjects.AsNoTracking().Where(sp => sp.Id == projectId && sp.TenantId == tenantId).Select(sp => _mapper.Map<BasicProjectVM>(sp)).FirstOrDefaultAsync();
|
|
}
|
|
|
|
private async Task DeleteAttachemnts(List<Guid> documentIds, CancellationToken ct)
|
|
{
|
|
var attachmentTask = Task.Run(async () =>
|
|
{
|
|
await using var context = await _dbContextFactory.CreateDbContextAsync();
|
|
var attachments = await context.PurchaseInvoiceAttachments.AsNoTracking().Where(ba => documentIds.Contains(ba.DocumentId)).ToListAsync(ct);
|
|
|
|
context.PurchaseInvoiceAttachments.RemoveRange(attachments);
|
|
await context.SaveChangesAsync(ct);
|
|
});
|
|
var documentsTask = Task.Run(async () =>
|
|
{
|
|
using var scope = _serviceScopeFactory.CreateScope();
|
|
var _updateLogHelper = scope.ServiceProvider.GetRequiredService<UtilityMongoDBHelper>();
|
|
|
|
await using var context = await _dbContextFactory.CreateDbContextAsync();
|
|
var documents = await context.Documents.AsNoTracking().Where(ba => documentIds.Contains(ba.Id)).ToListAsync(ct);
|
|
|
|
if (documents.Any())
|
|
{
|
|
context.Documents.RemoveRange(documents);
|
|
await context.SaveChangesAsync(ct);
|
|
|
|
List<S3DeletionObject> deletionObject = new List<S3DeletionObject>();
|
|
foreach (var document in documents)
|
|
{
|
|
deletionObject.Add(new S3DeletionObject
|
|
{
|
|
Key = document.S3Key
|
|
});
|
|
if (!string.IsNullOrWhiteSpace(document.ThumbS3Key) && document.ThumbS3Key != document.S3Key)
|
|
{
|
|
deletionObject.Add(new S3DeletionObject
|
|
{
|
|
Key = document.ThumbS3Key
|
|
});
|
|
}
|
|
}
|
|
await _updateLogHelper.PushToS3DeletionAsync(deletionObject);
|
|
}
|
|
});
|
|
|
|
await Task.WhenAll(attachmentTask, documentsTask);
|
|
}
|
|
#endregion
|
|
|
|
}
|
|
}
|