Added the new API to create invoice

Marco.Pms.DataAccess/Data/ApplicationDbContext.cs

@@ -1,6 +1,7 @@
 using Marco.Pms.Model.Activities;
 using Marco.Pms.Model.AttendanceModule;
 using Marco.Pms.Model.Authentication;
+using Marco.Pms.Model.Collection;
 using Marco.Pms.Model.Directory;
 using Marco.Pms.Model.DocumentManager;
 using Marco.Pms.Model.Employees;
@@ -133,6 +134,12 @@ namespace Marco.Pms.DataAccess.Data
         public DbSet<ProjectServiceMapping> ProjectServiceMappings { get; set; }
         public DbSet<ProjectOrgMapping> ProjectOrgMappings { get; set; }
 
+        // Collection
+        public DbSet<Invoice> Invoices { get; set; }
+        public DbSet<InvoiceComment> InvoiceComments { get; set; }
+        public DbSet<InvoiceAttachment> InvoiceAttachments { get; set; }
+        public DbSet<ReceivedInvoicePayment> ReceivedInvoicePayments { get; set; }
+
 
         protected override void OnModelCreating(ModelBuilder modelBuilder)
         {

Marco.Pms.DataAccess/Migrations/20251013122515_Added_Collection_Related_Tables.cs

@@ -0,0 +1,256 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Marco.Pms.DataAccess.Migrations
+{
+    /// <inheritdoc />
+    public partial class Added_Collection_Related_Tables : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Invoices",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    Title = table.Column<string>(type: "longtext", nullable: false)
+                        .Annotation("MySql:CharSet", "utf8mb4"),
+                    Description = table.Column<string>(type: "longtext", nullable: false)
+                        .Annotation("MySql:CharSet", "utf8mb4"),
+                    InvoiceNumber = table.Column<string>(type: "longtext", nullable: false)
+                        .Annotation("MySql:CharSet", "utf8mb4"),
+                    ProjectId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    InvoiceDate = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    ClientSubmitedDate = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    ExceptedPaymentDate = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    Amount = table.Column<double>(type: "double", nullable: false),
+                    IsActive = table.Column<bool>(type: "tinyint(1)", nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    CreatedById = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: true),
+                    UpdatedById = table.Column<Guid>(type: "char(36)", nullable: true, collation: "ascii_general_ci"),
+                    TenantId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Invoices", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Invoices_Employees_CreatedById",
+                        column: x => x.CreatedById,
+                        principalTable: "Employees",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Invoices_Employees_UpdatedById",
+                        column: x => x.UpdatedById,
+                        principalTable: "Employees",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_Invoices_Projects_ProjectId",
+                        column: x => x.ProjectId,
+                        principalTable: "Projects",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Invoices_Tenants_TenantId",
+                        column: x => x.TenantId,
+                        principalTable: "Tenants",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                })
+                .Annotation("MySql:CharSet", "utf8mb4");
+
+            migrationBuilder.CreateTable(
+                name: "InvoiceAttachments",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    InvoiceId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    DocumentId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    TenantId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_InvoiceAttachments", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_InvoiceAttachments_Documents_DocumentId",
+                        column: x => x.DocumentId,
+                        principalTable: "Documents",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_InvoiceAttachments_Invoices_InvoiceId",
+                        column: x => x.InvoiceId,
+                        principalTable: "Invoices",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_InvoiceAttachments_Tenants_TenantId",
+                        column: x => x.TenantId,
+                        principalTable: "Tenants",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                })
+                .Annotation("MySql:CharSet", "utf8mb4");
+
+            migrationBuilder.CreateTable(
+                name: "InvoiceComments",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    Comment = table.Column<string>(type: "longtext", nullable: false)
+                        .Annotation("MySql:CharSet", "utf8mb4"),
+                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    CreatedById = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    InvoiceId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    TenantId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_InvoiceComments", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_InvoiceComments_Employees_CreatedById",
+                        column: x => x.CreatedById,
+                        principalTable: "Employees",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_InvoiceComments_Invoices_InvoiceId",
+                        column: x => x.InvoiceId,
+                        principalTable: "Invoices",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_InvoiceComments_Tenants_TenantId",
+                        column: x => x.TenantId,
+                        principalTable: "Tenants",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                })
+                .Annotation("MySql:CharSet", "utf8mb4");
+
+            migrationBuilder.CreateTable(
+                name: "ReceivedInvoicePayments",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    InvoiceId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    PaymentReceivedDate = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    TransactionId = table.Column<string>(type: "longtext", nullable: false)
+                        .Annotation("MySql:CharSet", "utf8mb4"),
+                    Amount = table.Column<double>(type: "double", nullable: false),
+                    IsActive = table.Column<bool>(type: "tinyint(1)", nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    CreatedById = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    TenantId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ReceivedInvoicePayments", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ReceivedInvoicePayments_Employees_CreatedById",
+                        column: x => x.CreatedById,
+                        principalTable: "Employees",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ReceivedInvoicePayments_Invoices_InvoiceId",
+                        column: x => x.InvoiceId,
+                        principalTable: "Invoices",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ReceivedInvoicePayments_Tenants_TenantId",
+                        column: x => x.TenantId,
+                        principalTable: "Tenants",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                })
+                .Annotation("MySql:CharSet", "utf8mb4");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_InvoiceAttachments_DocumentId",
+                table: "InvoiceAttachments",
+                column: "DocumentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_InvoiceAttachments_InvoiceId",
+                table: "InvoiceAttachments",
+                column: "InvoiceId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_InvoiceAttachments_TenantId",
+                table: "InvoiceAttachments",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_InvoiceComments_CreatedById",
+                table: "InvoiceComments",
+                column: "CreatedById");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_InvoiceComments_InvoiceId",
+                table: "InvoiceComments",
+                column: "InvoiceId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_InvoiceComments_TenantId",
+                table: "InvoiceComments",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Invoices_CreatedById",
+                table: "Invoices",
+                column: "CreatedById");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Invoices_ProjectId",
+                table: "Invoices",
+                column: "ProjectId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Invoices_TenantId",
+                table: "Invoices",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Invoices_UpdatedById",
+                table: "Invoices",
+                column: "UpdatedById");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ReceivedInvoicePayments_CreatedById",
+                table: "ReceivedInvoicePayments",
+                column: "CreatedById");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ReceivedInvoicePayments_InvoiceId",
+                table: "ReceivedInvoicePayments",
+                column: "InvoiceId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ReceivedInvoicePayments_TenantId",
+                table: "ReceivedInvoicePayments",
+                column: "TenantId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "InvoiceAttachments");
+
+            migrationBuilder.DropTable(
+                name: "InvoiceComments");
+
+            migrationBuilder.DropTable(
+                name: "ReceivedInvoicePayments");
+
+            migrationBuilder.DropTable(
+                name: "Invoices");
+        }
+    }
+}

Marco.Pms.DataAccess/Migrations/ApplicationDbContextModelSnapshot.cs

@@ -369,6 +369,171 @@ namespace Marco.Pms.DataAccess.Migrations
                     b.ToTable("RefreshTokens");
                 });
 
+            modelBuilder.Entity("Marco.Pms.Model.Collection.Invoice", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("char(36)");
+
+                    b.Property<double>("Amount")
+                        .HasColumnType("double");
+
+                    b.Property<DateTime>("ClientSubmitedDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<Guid>("CreatedById")
+                        .HasColumnType("char(36)");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<DateTime>("ExceptedPaymentDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime>("InvoiceDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("InvoiceNumber")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<Guid>("ProjectId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("TenantId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<Guid?>("UpdatedById")
+                        .HasColumnType("char(36)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedById");
+
+                    b.HasIndex("ProjectId");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("UpdatedById");
+
+                    b.ToTable("Invoices");
+                });
+
+            modelBuilder.Entity("Marco.Pms.Model.Collection.InvoiceAttachment", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("DocumentId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("InvoiceId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("TenantId")
+                        .HasColumnType("char(36)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DocumentId");
+
+                    b.HasIndex("InvoiceId");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("InvoiceAttachments");
+                });
+
+            modelBuilder.Entity("Marco.Pms.Model.Collection.InvoiceComment", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("char(36)");
+
+                    b.Property<string>("Comment")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<Guid>("CreatedById")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("InvoiceId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("TenantId")
+                        .HasColumnType("char(36)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedById");
+
+                    b.HasIndex("InvoiceId");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("InvoiceComments");
+                });
+
+            modelBuilder.Entity("Marco.Pms.Model.Collection.ReceivedInvoicePayment", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("char(36)");
+
+                    b.Property<double>("Amount")
+                        .HasColumnType("double");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<Guid>("CreatedById")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("InvoiceId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<DateTime>("PaymentReceivedDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<Guid>("TenantId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<string>("TransactionId")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedById");
+
+                    b.HasIndex("InvoiceId");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("ReceivedInvoicePayments");
+                });
+
             modelBuilder.Entity("Marco.Pms.Model.Directory.Bucket", b =>
                 {
                     b.Property<Guid>("Id")
@@ -4794,6 +4959,120 @@ namespace Marco.Pms.DataAccess.Migrations
                     b.Navigation("User");
                 });
 
+            modelBuilder.Entity("Marco.Pms.Model.Collection.Invoice", b =>
+                {
+                    b.HasOne("Marco.Pms.Model.Employees.Employee", "CreatedBy")
+                        .WithMany()
+                        .HasForeignKey("CreatedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Marco.Pms.Model.Projects.Project", "Project")
+                        .WithMany()
+                        .HasForeignKey("ProjectId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Marco.Pms.Model.TenantModels.Tenant", "Tenant")
+                        .WithMany()
+                        .HasForeignKey("TenantId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Marco.Pms.Model.Employees.Employee", "UpdatedBy")
+                        .WithMany()
+                        .HasForeignKey("UpdatedById");
+
+                    b.Navigation("CreatedBy");
+
+                    b.Navigation("Project");
+
+                    b.Navigation("Tenant");
+
+                    b.Navigation("UpdatedBy");
+                });
+
+            modelBuilder.Entity("Marco.Pms.Model.Collection.InvoiceAttachment", b =>
+                {
+                    b.HasOne("Marco.Pms.Model.DocumentManager.Document", "Document")
+                        .WithMany()
+                        .HasForeignKey("DocumentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Marco.Pms.Model.Collection.Invoice", "Invoice")
+                        .WithMany()
+                        .HasForeignKey("InvoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Marco.Pms.Model.TenantModels.Tenant", "Tenant")
+                        .WithMany()
+                        .HasForeignKey("TenantId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Document");
+
+                    b.Navigation("Invoice");
+
+                    b.Navigation("Tenant");
+                });
+
+            modelBuilder.Entity("Marco.Pms.Model.Collection.InvoiceComment", b =>
+                {
+                    b.HasOne("Marco.Pms.Model.Employees.Employee", "CreatedBy")
+                        .WithMany()
+                        .HasForeignKey("CreatedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Marco.Pms.Model.Collection.Invoice", "Invoice")
+                        .WithMany()
+                        .HasForeignKey("InvoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Marco.Pms.Model.TenantModels.Tenant", "Tenant")
+                        .WithMany()
+                        .HasForeignKey("TenantId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("CreatedBy");
+
+                    b.Navigation("Invoice");
+
+                    b.Navigation("Tenant");
+                });
+
+            modelBuilder.Entity("Marco.Pms.Model.Collection.ReceivedInvoicePayment", b =>
+                {
+                    b.HasOne("Marco.Pms.Model.Employees.Employee", "CreatedBy")
+                        .WithMany()
+                        .HasForeignKey("CreatedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Marco.Pms.Model.Collection.Invoice", "Invoice")
+                        .WithMany()
+                        .HasForeignKey("InvoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Marco.Pms.Model.TenantModels.Tenant", "Tenant")
+                        .WithMany()
+                        .HasForeignKey("TenantId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("CreatedBy");
+
+                    b.Navigation("Invoice");
+
+                    b.Navigation("Tenant");
+                });
+
             modelBuilder.Entity("Marco.Pms.Model.Directory.Bucket", b =>
                 {
                     b.HasOne("Marco.Pms.Model.Employees.Employee", "CreatedBy")

Marco.Pms.Model/Collection/Invoice.cs

@@ -0,0 +1,38 @@
+using Marco.Pms.Model.Employees;
+using Marco.Pms.Model.Projects;
+using Marco.Pms.Model.Utilities;
+using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Marco.Pms.Model.Collection
+{
+    public class Invoice : TenantRelation
+    {
+        public Guid Id { get; set; }
+        public string Title { get; set; } = default!;
+        public string Description { get; set; } = default!;
+        public string InvoiceNumber { get; set; } = default!;
+        public Guid ProjectId { get; set; }
+
+        [ValidateNever]
+        [ForeignKey("ProjectId")]
+        public Project? Project { get; set; }
+        public DateTime InvoiceDate { get; set; }
+        public DateTime ClientSubmitedDate { get; set; }
+        public DateTime ExceptedPaymentDate { get; set; }
+        public double Amount { get; set; }
+        public bool IsActive { get; set; } = true;
+        public DateTime CreatedAt { get; set; }
+        public Guid CreatedById { get; set; }
+
+        [ValidateNever]
+        [ForeignKey("CreatedById")]
+        public Employee? CreatedBy { get; set; }
+        public DateTime? UpdatedAt { get; set; }
+        public Guid? UpdatedById { get; set; }
+
+        [ValidateNever]
+        [ForeignKey("UpdatedById")]
+        public Employee? UpdatedBy { get; set; }
+    }
+}

Marco.Pms.Model/Collection/InvoiceAttachment.cs

@@ -0,0 +1,22 @@
+using Marco.Pms.Model.DocumentManager;
+using Marco.Pms.Model.Utilities;
+using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Marco.Pms.Model.Collection
+{
+    public class InvoiceAttachment : TenantRelation
+    {
+        public Guid Id { get; set; }
+        public Guid InvoiceId { get; set; }
+
+        [ValidateNever]
+        [ForeignKey("InvoiceId")]
+        public Invoice? Invoice { get; set; }
+        public Guid DocumentId { get; set; }
+
+        [ValidateNever]
+        [ForeignKey("DocumentId")]
+        public Document? Document { get; set; }
+    }
+}

Marco.Pms.Model/Collection/InvoiceComment.cs

@@ -0,0 +1,24 @@
+using Marco.Pms.Model.Employees;
+using Marco.Pms.Model.Utilities;
+using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Marco.Pms.Model.Collection
+{
+    public class InvoiceComment : TenantRelation
+    {
+        public Guid Id { get; set; }
+        public string Comment { get; set; } = default!;
+        public DateTime CreatedAt { get; set; }
+        public Guid CreatedById { get; set; }
+
+        [ValidateNever]
+        [ForeignKey("CreatedById")]
+        public Employee? CreatedBy { get; set; }
+        public Guid InvoiceId { get; set; }
+
+        [ValidateNever]
+        [ForeignKey("InvoiceId")]
+        public Invoice? Invoice { get; set; }
+    }
+}

Marco.Pms.Model/Collection/ReceivedInvoicePayment.cs

@@ -0,0 +1,27 @@
+using Marco.Pms.Model.Employees;
+using Marco.Pms.Model.Utilities;
+using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Marco.Pms.Model.Collection
+{
+    public class ReceivedInvoicePayment : TenantRelation
+    {
+        public Guid Id { get; set; }
+        public Guid InvoiceId { get; set; }
+
+        [ValidateNever]
+        [ForeignKey("InvoiceId")]
+        public Invoice? Invoice { get; set; }
+        public DateTime PaymentReceivedDate { get; set; }
+        public string TransactionId { get; set; } = default!;
+        public double Amount { get; set; }
+        public bool IsActive { get; set; } = true;
+        public DateTime CreatedAt { get; set; }
+        public Guid CreatedById { get; set; }
+
+        [ValidateNever]
+        [ForeignKey("CreatedById")]
+        public Employee? CreatedBy { get; set; }
+    }
+}

Marco.Pms.Model/Dtos/Collection/InvoiceDto.cs

@@ -0,0 +1,18 @@
+using Marco.Pms.Model.Utilities;
+
+namespace Marco.Pms.Model.Dtos.Collection
+{
+    public class InvoiceDto
+    {
+        public Guid? Id { get; set; }
+        public required string Title { get; set; }
+        public string? Description { get; set; }
+        public required string InvoiceNumber { get; set; }
+        public required Guid ProjectId { get; set; }
+        public required DateTime InvoiceDate { get; set; }
+        public required DateTime ClientSubmitedDate { get; set; }
+        public required DateTime ExceptedPaymentDate { get; set; }
+        public required double Amount { get; set; }
+        public List<FileUploadModel>? Attachments { get; set; }
+    }
+}

Marco.Pms.Model/ViewModels/Collection/InvoiceListVM.cs

@@ -0,0 +1,23 @@
+using Marco.Pms.Model.ViewModels.Activities;
+using Marco.Pms.Model.ViewModels.Projects;
+
+namespace Marco.Pms.Model.ViewModels.Collection
+{
+    public class InvoiceListVM
+    {
+        public Guid Id { get; set; }
+        public string Title { get; set; } = default!;
+        public string Description { get; set; } = default!;
+        public string InvoiceNumber { get; set; } = default!;
+        public BasicProjectVM? Project { get; set; }
+        public DateTime InvoiceDate { get; set; }
+        public DateTime ClientSubmitedDate { get; set; }
+        public DateTime ExceptedPaymentDate { get; set; }
+        public double Amount { get; set; }
+        public bool IsActive { get; set; } = true;
+        public DateTime CreatedAt { get; set; }
+        public BasicEmployeeVM? CreatedBy { get; set; }
+        public DateTime? UpdatedAt { get; set; }
+        public BasicEmployeeVM? UpdatedBy { get; set; }
+    }
+}

Marco.Pms.Services/Controllers/CollectionController.cs

@@ -0,0 +1,175 @@
+using AutoMapper;
+using Marco.Pms.DataAccess.Data;
+using Marco.Pms.Model.Collection;
+using Marco.Pms.Model.DocumentManager;
+using Marco.Pms.Model.Dtos.Collection;
+using Marco.Pms.Model.Utilities;
+using Marco.Pms.Model.ViewModels.Activities;
+using Marco.Pms.Model.ViewModels.Collection;
+using Marco.Pms.Model.ViewModels.Projects;
+using Marco.Pms.Services.Service;
+using MarcoBMS.Services.Helpers;
+using MarcoBMS.Services.Service;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace Marco.Pms.Services.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    [Authorize]
+    public class CollectionController : ControllerBase
+    {
+        private readonly IDbContextFactory<ApplicationDbContext> _dbContextFactory;
+        private readonly IServiceScopeFactory _serviceScopeFactory;
+        private readonly UserHelper _userHelper;
+        private readonly S3UploadService _s3Service;
+        private readonly IMapper _mapper;
+        private readonly ILoggingService _logger;
+        private readonly Guid tenantId;
+        public CollectionController(IDbContextFactory<ApplicationDbContext> dbContextFactory,
+            IServiceScopeFactory serviceScopeFactory,
+            S3UploadService s3Service,
+            UserHelper userhelper,
+            ILoggingService logger,
+            IMapper mapper)
+        {
+            _dbContextFactory = dbContextFactory;
+            _serviceScopeFactory = serviceScopeFactory;
+            _userHelper = userhelper;
+            _s3Service = s3Service;
+            _mapper = mapper;
+            _logger = logger;
+            tenantId = userhelper.GetTenantId();
+        }
+
+        [HttpPost("invoice/create")]
+        public async Task<IActionResult> CreateInvoiceAsync(InvoiceDto model)
+        {
+            await using var context = await _dbContextFactory.CreateDbContextAsync();
+            using var scope = _serviceScopeFactory.CreateScope();
+            var permissionService = scope.ServiceProvider.GetRequiredService<PermissionServices>();
+            var loggedInEmployee = await _userHelper.GetCurrentEmployeeAsync();
+
+            _logger.LogInfo("Starting invoice creation for ProjectId: {ProjectId} by EmployeeId: {EmployeeId}",
+                model.ProjectId, loggedInEmployee.Id);
+
+            // Validate date sequence
+            if (model.InvoiceDate.Date > model.ClientSubmitedDate.Date)
+            {
+                _logger.LogWarning("Invoice date {InvoiceDate} is later than client submitted date {ClientSubmitedDate}",
+                    model.InvoiceDate, model.ClientSubmitedDate);
+                return BadRequest(ApiResponse<object>.ErrorResponse(
+                    "Invoice date is later than client submitted date",
+                    "Invoice date is later than client submitted date", 400));
+            }
+            if (model.ClientSubmitedDate.Date > model.ExceptedPaymentDate.Date)
+            {
+                _logger.LogWarning("Client submitted date {ClientSubmitedDate} is later than expected payment date {ExpectedPaymentDate}",
+                    model.ClientSubmitedDate, model.ExceptedPaymentDate);
+                return BadRequest(ApiResponse<object>.ErrorResponse(
+                    "Client submitted date is later than expected payment date",
+                    "Client submitted date is later than expected payment date", 400));
+            }
+
+            // Fetch project
+            var project = await context.Projects
+                .FirstOrDefaultAsync(p => p.Id == model.ProjectId && p.TenantId == tenantId);
+            if (project == null)
+            {
+                _logger.LogWarning("Project not found: ProjectId {ProjectId}, TenantId {TenantId}",
+                    model.ProjectId, tenantId);
+                return NotFound(ApiResponse<object>.ErrorResponse("Project not found", "Project not found", 404));
+            }
+
+            // Begin transaction scope with async flow support
+            await using var transaction = await context.Database.BeginTransactionAsync();
+            var invoice = new Invoice();
+            try
+            {
+                // Map and create invoice
+                invoice = _mapper.Map<Invoice>(model);
+                invoice.IsActive = true;
+                invoice.CreatedAt = DateTime.UtcNow;
+                invoice.CreatedById = loggedInEmployee.Id;
+                invoice.TenantId = tenantId;
+
+                context.Invoices.Add(invoice);
+                await context.SaveChangesAsync(); // Save to generate invoice.Id
+
+                // Handle attachments
+                var documents = new List<Document>();
+                var invoiceAttachments = new List<InvoiceAttachment>();
+                if (model.Attachments?.Any() == true)
+                {
+                    var batchId = Guid.NewGuid();
+
+                    foreach (var attachment in model.Attachments)
+                    {
+                        string base64 = attachment.Base64Data?.Split(',').LastOrDefault() ?? "";
+                        if (string.IsNullOrWhiteSpace(base64))
+                        {
+                            _logger.LogWarning("Base64 data is missing for attachment {FileName}", attachment.FileName ?? "");
+                            return BadRequest(ApiResponse<object>.ErrorResponse("Base64 data is missing", "Image data missing", 400));
+                        }
+
+                        var fileType = _s3Service.GetContentTypeFromBase64(base64);
+                        var fileName = _s3Service.GenerateFileName(fileType, tenantId, "invoice");
+                        var objectKey = $"tenant-{tenantId}/Project/{model.ProjectId}/Invoice/{fileName}";
+
+                        await _s3Service.UploadFileAsync(base64, fileType, objectKey);
+
+                        var document = new Document
+                        {
+                            Id = Guid.NewGuid(),
+                            BatchId = batchId,
+                            UploadedById = loggedInEmployee.Id,
+                            FileName = attachment.FileName ?? fileName,
+                            ContentType = attachment.ContentType,
+                            S3Key = objectKey,
+                            FileSize = attachment.FileSize,
+                            UploadedAt = DateTime.UtcNow,
+                            TenantId = tenantId
+                        };
+                        documents.Add(document);
+
+                        var invoiceAttachment = new InvoiceAttachment
+                        {
+                            InvoiceId = invoice.Id,
+                            DocumentId = document.Id,
+                            TenantId = tenantId
+                        };
+                        invoiceAttachments.Add(invoiceAttachment);
+                    }
+
+                    context.Documents.AddRange(documents);
+                    context.InvoiceAttachments.AddRange(invoiceAttachments);
+                    await context.SaveChangesAsync(); // Save attachments and mappings
+                }
+
+                // Commit transaction
+                await transaction.CommitAsync();
+                _logger.LogInfo("Invoice {InvoiceId} created successfully with {AttachmentCount} attachments.",
+                    invoice.Id, documents.Count);
+            }
+            catch (Exception ex)
+            {
+                await transaction.RollbackAsync();
+                _logger.LogError(ex, "Transaction rolled back during invoice creation for ProjectId {ProjectId}", model.ProjectId);
+                return StatusCode(500, ApiResponse<object>.ErrorResponse(
+                    "Transaction failed: " + ex.Message,
+                    "An error occurred while creating the invoice", 500));
+            }
+
+            // Build response
+            var response = _mapper.Map<InvoiceListVM>(invoice);
+            response.Project = _mapper.Map<BasicProjectVM>(project);
+            response.CreatedBy = _mapper.Map<BasicEmployeeVM>(loggedInEmployee);
+
+            return Ok(ApiResponse<object>.SuccessResponse(response, "Invoice Created Successfully", 201));
+        }
+
+
+    }
+}

Marco.Pms.Services/MappingProfiles/MappingProfile.cs

@@ -1,9 +1,11 @@
 using AutoMapper;
 using Marco.Pms.Model.AppMenu;
+using Marco.Pms.Model.Collection;
 using Marco.Pms.Model.Directory;
 using Marco.Pms.Model.DocumentManager;
 using Marco.Pms.Model.Dtos.Activities;
 using Marco.Pms.Model.Dtos.AppMenu;
+using Marco.Pms.Model.Dtos.Collection;
 using Marco.Pms.Model.Dtos.Directory;
 using Marco.Pms.Model.Dtos.DocumentManager;
 using Marco.Pms.Model.Dtos.Employees;
@@ -26,6 +28,7 @@ using Marco.Pms.Model.Projects;
 using Marco.Pms.Model.TenantModels;
 using Marco.Pms.Model.TenantModels.MongoDBModel;
 using Marco.Pms.Model.ViewModels.Activities;
+using Marco.Pms.Model.ViewModels.Collection;
 using Marco.Pms.Model.ViewModels.Directory;
 using Marco.Pms.Model.ViewModels.DocumentManager;
 using Marco.Pms.Model.ViewModels.Employee;
@@ -255,6 +258,11 @@ namespace Marco.Pms.Services.MappingProfiles
 
             #endregion
 
+            #region ======================================================= Collection =======================================================
+            CreateMap<InvoiceDto, Invoice>();
+            CreateMap<Invoice, InvoiceListVM>();
+            #endregion
+
             #region ======================================================= Master =======================================================
 
             CreateMap<FeaturePermission, FeaturePermissionVM>();