DICAS DE VIAGEM

GLAMOUR E REQUINTE NO L’AVENUE, EM PARIS

Laine Furtado
6 Comments
April 26, 2014
1 Min read
742 Views
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Nos últimos anos o L`avenue tornou-se o lugar de encontro de personalidades em Paris. O restaurante atrai um público seleto que prefere de pagar um pouco mais para estar num ambiente agradável em Paris. É o lugar perfeito para relaxar durante os passeios turísticos, principalmente quando você está de compras em Paris.

Aproveitei a Semana de Moda para conhecer o restaurante. Em termos de gastromia, o menu oferece comida francesa, cocktails gourmet e sobremesas deliciosas. O cardápio é muito variado.
O valor do prato está entre 18 e 50 euros.

Veja alguns exemplos: omelete €18, risoto de lagostas €36 , salmão no vapor €29, tartare de carne de vaca €28 e como sobremesa, éclair gigante de chocolate €12. A minha opção foi o macaroni aux morilles, no valor de €24.

O restaurante ficou famoso por ser o point de alguns de celebridades como Jessica Alba, Kate Moss, Kris Jenner, Kendall Jenner, Kim Kardashian, Rihanna, Lana del Rey, Denzel Washington e Kanye West.

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    —

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    —

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    | Stage | What You Need | Why It Matters |
    |——-|—————|—————-|
    | **Kick‑off (Day 1)** | • Project charter
    • High‑level timeline
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    |
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    |
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    —

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    |
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    |

    —

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    | Phase | Activities | Deliverables | Timeframe |
    |——-|————|————–|———–|
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    |——|————-|——–|
    | Project Charter | Scope, objectives, stakeholders, timeline | PDF |
    | Sprint Backlog | User stories with acceptance criteria
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    | Incremental Builds | Functional code with automated
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    | Documentation | API docs, user guides, architecture
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    | Demo Videos | Live or recorded demonstration of each
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    —

    ## Example Implementation (Python Flask)

    “`python
    from flask import Flask, request, jsonify
    import uuid

    app = Flask(__name__)

    # In-memory store for demonstration
    orders_db = {}

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    def create_order():
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    return jsonify(‘error’:’Missing fields’), 400

    order_id = str(uuid.uuid4())
    orders_dborder_id =
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    if __name__ == “__main__”:
    app.run(debug=True, port=5000)

    “`

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    —END REPLY—

    Now we need to produce a response: the user wants us to give a
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    When we talk about *creating a service* we mean **building an API that exposes data
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    —

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    “`
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    > *Why this structure?*
    > – **Portability** – The core logic is isolated from EF or
    ASP.NET Core.
    > – **Testability** – You can mock the
    repository interfaces in unit tests.
    > – **Extensibility** – Add a new persistence provider (e.g., Dapper, Mongo) without
    touching the domain.

    —

    ## 4️⃣ Step‑by‑Step: Implementing an `IRepository` Layer

    Below is a minimal but fully functional example that shows how to:

    1. Define a generic repository interface (`IRepository`).

    2. Provide an EF implementation.
    3. Use it in a service or controller.

    ### 4.1 📦 Domain Model & Entity Configuration

    “`csharp
    // Product.cs (Domain)
    public class Product

    public int Id get; private set; // PK, generated by DB
    public string Name get; private set;
    public decimal Price get; private set;

    public Product(string name, decimal price)

    if (string.IsNullOrWhiteSpace(name))
    throw new ArgumentException(“Name required”, nameof(name));

    Name = name;
    Price = price;

    // EF Core requires a parameterless ctor for materialization
    protected Product() { }

    “`

    “`csharp
    // ApplicationDbContext.cs
    public class ApplicationDbContext : DbContext

    public DbSet Products => Set();

    public ApplicationDbContext(DbContextOptions options)
    : base(options) { }

    protected override void OnModelCreating(ModelBuilder modelBuilder)

    // optional: configure table names, constraints, etc.

    modelBuilder.Entity(b =>

    b.ToTable(“Products”);
    b.HasKey(p => p.Id);
    );

    “`

    ### 2.3 Register EF Core and the DB Context

    In `Program.cs` (or `Startup.cs`) add:

    “`csharp
    builder.Services.AddDbContext(options =>

    options.UseSqlServer(builder.Configuration.GetConnectionString(“DefaultConnection”));
    );
    “`

    > **Tip:**
    > If you need to run migrations on startup, consider adding a scoped service that applies pending migrations.

    ### 2.4 Create the `ApplicationDbContext` Class

    “`csharp
    public class ApplicationDbContext : DbContext

    public ApplicationDbContext(DbContextOptions options)
    : base(options) { }

    // Example DbSet for a generic entity:
    public DbSet GenericEntities get; set;

    “`

    **What this does:**
    – Inherits from `DbContext`, enabling EF Core to track changes and perform CRUD operations.

    – Provides an API surface (`DbSets`) that your application can use to query or persist data.

    —

    ## 3. Persisting Your Data

    ### 1️⃣ Add a Migration

    “`bash
    dotnet ef migrations add InitialCreate
    “`

    > **Why?**
    > EF Core stores the database schema changes in migration files,
    which act like version control for your database.

    ### 2️⃣ Update the Database

    “`bash
    dotnet ef database update
    “`

    This command will:

    – Read the latest migration (`InitialCreate`).
    – Apply it to the database specified by `DefaultConnection`.

    > **Tip:** If you use a local instance of SQL Server, ensure it’s running and accessible via the connection string.

    —

    ## 🎯 Key Takeaways

    1. **Use EF Core for data persistence** – simplifies CRUD operations.

    2. **Configure services in Program.cs** – register DbContext and identity.

    3. **Add migrations & update database** – maintain schema changes safely.

    4. **Leverage ASP.NET Identity** – handle authentication out-of-the-box.

    —

    ### 🚀 Next Steps

    – Add a controller to use the DbContext for CRUD operations.

    – Create views or API endpoints to interact with your data.

    – Test locally, then deploy to Azure if needed!

    Happy coding! 🚀

    References:

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