vault backup: 2025-03-07 22:12:54

Sessions/DDD.md

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-# Domain
-
-> subject area in which we build an application
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-> We have some core domains and some sub domains
-
-
-> Working out all domains is an iterative process 
-
-Bounded Context -> Each subdomain has its own bounded context so that they can each have their own "language"
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-Context Map -> outlines which domains communicate with each other and how 
-
-Anti-Corruption Level 
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-Tactical Design
-
-
-Domain Objects -> 1. Entity Objects 2. Value Objects 
-![[Pasted image 20250306182113.png]]
-![[Pasted image 20250306182209.png]]
-![[Pasted image 20250306182246.png]]
-![[Pasted image 20250306182324.png]]
-
-
-## **Solution Name: MyApp (or your project name)**
-
-📂 **MyApp.sln** (Solution file)
-
-### **1. Presentation Layer** (📂 `MyApp.API`)
-
-- **Purpose:** Exposes the application via a web API.
-
-📂 `MyApp.API`
-- 📂 **Controllers** – Defines API endpoints.
-- 📂 **Middlewares** – Implements custom middleware (logging, exception handling).
-
-
----
-
-### **2. Application Layer** (📂 `MyApp.Application`)
-
-- **Purpose:** Contains the application logic, use cases, and service abstractions.
-
-📂 `MyApp.Application`
-- 📂 **Interfaces** – Defines services like `IUserService`, `IOrderService`, etc.
-- 📂 **Services** – Defines services like `IUserService`, `IOrderService`, etc.
-- 📂 **DTOs** – Data Transfer Objects for input/output models.
-- 📂 **Mappers** – Maps domain models to DTOs (using AutoMapper or manual mapping).
-- 📂 **Validators** – Contains validation rules using FluentValidation.
->- 📂 **Queries** – Handles read operations (CQRS pattern).
->- 📂 **Commands** – Handles write operations (CQRS pattern).
->- 📂 **Exceptions** – Defines application-layer exceptions.
->- 📂 **UseCases** – Implements application logic (e.g., `CreateOrderHandler`).
----
-
-### **3. Core Domain Layer** (📂 `MyApp.Domain`)
-
-- **Purpose:** Represents the core business logic and entities without dependencies on infrastructure or frameworks.
-
-📂 `MyApp.Domain`
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-- 📂 **Aggregates** – Groups related entities following DDD principles.
-- 📂 **Framework** - **Interfaces**  – Contains domain-level abstractions like repository interfaces and entity interface.
-- 📂 **Framework** - **Interfaces**  – **Repositories**
-- 📂 **Framework** - **Base**
-- 📂 **Enums** – Defines domain-specific enumerations.
-- 📂 **Factories** 
->- 📂 **ValueObjects** – Defines immutable objects that don’t have an identity.
->- 📂 **Exceptions** – Custom exceptions related to domain logic.
->- 📂 **Specifications** – Encapsulates domain rules and query logic.
-
----
-
-### **4. Infrastructure Layer** (📂 `MyApp.Infrastructure`)
-
-- **Purpose:** Implements external dependencies such as databases, logging, APIs, and caching.
-
-📂 `MyApp.Infrastructure`
-
-- 📂 **Framework** - **Base** – Implements `IRepository<TEntity>` for data access.
-- 📂 **Configurations** – Stores EF Core entity configurations.
-- 📂 **Services** - Repositories 
-- 📂 **Migrations** - Auto Created 
--  **DB-Context**
->- 📂 **Persistence** – Implements repositories and EF Core DbContext.
->- 📂 **Logging** – Implements logging strategies (e.g., Serilog, NLog).
->- 📂 **Identity** – Manages authentication and authorization.
->- 📂 **Caching** – Implements caching strategies (Redis, MemoryCache).
->- 📂 **Email** – Handles email services (SMTP, SendGrid).
->- 📂 **ExternalServices** – Integrations with third-party APIs.
----
-
-### **Additional Projects (Optional)**
-
-- 📂 `MyApp.Tests` – Unit and integration tests.
-- 📂 `MyApp.Shared` – Shared utilities (cross-cutting concerns like constants, helpers).

Sessions/Project Notes.md

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-# Name: alibaba.ir
-
-## Stack
-> .NET 8 (LTS) - Domain Driven Design (DDD)
-> Database: MS SQL Server - Code First - EF Core
-> Front: React with TS
-
-## Entities
-
-### Person
-id
-firstname
-lastname
-...
-### Role
-Id
-Title (User, Admin, Emp)
-### Account
-PersonId
-RoleId
-password
-
-### Company
-id
-title
-
-### Transportation
-id
-srcId
-destId
-startTime
-endTime
-capacity
-remainingPlaces
-vehicleId
-price
-companyId
-
-### City
-id
-title
-
-### Location
-id
-location
-type
-cityId
-
-### Vehicle
-id
-typeId
-
-
-### LocationType
-id
-typeId
-
-### Ticket
-tranportationId
-seatId
-buyerId
-travellerId
-cancelled
-
-### Seat
-vehicleId
-row
-column
-vipFlag
-
-### Transaction
-buyerId
-amount?
-ticketId
-couponId
-serialNo
-
-
-Not Mapped
-### Search
-### 
-### 
-
-
-## Phases
-
-
-
-## Questions
-### Authentication and Authorization
-### Roles in database, how to handle multiple roles
-### DB Management of person sub classes
-### Should we complete the whole db 
-### How to handle tickets 
-
-## Tasks
-
-- [x] Review ERD
-- [ ] Create a Project 
-- [ ] Name + Structure
-- [x] Talk about the privacy
-- [x] Should we all fork the structure?
-- [x] We should keep the site and keep it running
-- [x] Picking the react course
-- [ ] A quick talk about the plans and timing. 
-
-
-[https://www.youtube.com/watch?v=SqcY0GlETPk](https://www.youtube.com/watch?v=SqcY0GlETPk)
-
-[https://www.youtube.com/watch?v=g3is3wQK70Q](https://www.youtube.com/watch?v=g3is3wQK70Q)
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