Implemented delivery model and filtering

.idea/.idea.EffetiveTask/.idea/dictionaries/egor.xml

@@ -0,0 +1,3 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="egor" />
+</component>

DeliveryWebApi/DeliveryWebApi.csproj

@@ -9,8 +9,8 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.10"/>
-        <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="9.0.0-rc.2.24474.1" />
-        <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.0-rc.2" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.10" />
+        <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.10" />
         <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2"/>
     </ItemGroup>
 

DeliveryWebApi/Model/BaseEntity.cs

@@ -1,6 +1,8 @@
+using Microsoft.EntityFrameworkCore;
+
 namespace DeliveryWebApi.Model;
 
 public class BaseEntity
 {
-    public Guid Id { get; init; } = Guid.NewGuid();
+    public long Id { get; init; }
 }

DeliveryWebApi/Model/DeliveryContext.cs

@@ -1,18 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-
-namespace DeliveryWebApi.Model;
-
-public class DeliveryContext(DbContextOptions<DeliveryContext> options) : DbContext(options)
-{
-    public DbSet<District> Districts { get; init; }
-    public DbSet<Order> Orders { get; init; }
-
-    protected override void OnModelCreating(ModelBuilder modelBuilder)
-    {
-        modelBuilder.Entity<District>()
-            .HasMany(e => e.Orders)
-            .WithOne(e => e.District)
-            .HasForeignKey(e => e.DistrictId)
-            .IsRequired();
-    }
-}

DeliveryWebApi/Model/DeliveryDbContext.cs

@@ -0,0 +1,46 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+
+namespace DeliveryWebApi.Model;
+
+public class DeliveryDbContext(DbContextOptions<DeliveryDbContext> options) : DbContext(options)
+{
+    public DbSet<District> Districts { get; init; }
+    public DbSet<Order> Orders { get; init; }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<District>()
+            .HasMany(d => d.Orders)
+            .WithOne(o => o.District)
+            .HasForeignKey(o => o.DistrictId)
+            .IsRequired();
+        
+        modelBuilder.Entity<District>()
+            .HasIndex(d => d.Name)
+            .IsUnique();
+        
+        // random districts
+        var districtNames = new List<string>
+        {
+            "Viborgskiy", "Primorskiy", "Kalininskiy", "Petrogradskiy", "Center", "Admiralteyskiy", "Vasileostrovskiy",
+            "Kirovskiy", "Krasnoselskiy", "Moskovskiy", "Frunzenskiy", "Nevskiy", "Krasnogvardeyskiy", "Kolpinskiy",
+            "Pushkinskiy", "Pavlovskiy", "Petrodvortsoviy", "Lomonosovskiy", "Kurortniy", "Kronshtadskiy"
+        };
+        modelBuilder.Entity<District>()
+            .HasData(districtNames.Select((n, i) => new District { Id = i + 1, Name = n }));
+        
+        // random orders
+        var rnd = new Random();
+        var startDate = new DateTime(2020, 1, 1);
+        var range = (DateTime.Today - startDate).Days;
+        modelBuilder.Entity<Order>()
+            .HasData(Enumerable.Range(1, 100).Select(i =>
+            {
+                var districtId = rnd.Next(0, districtNames.Count) + 1;
+                var weight = rnd.NextSingle() * 10 + 0.1f;
+                var date = startDate.AddDays(rnd.Next(range));
+                return new Order { Id = i, DistrictId = districtId, Weight = weight, DeliveryDate = date };
+            }));
+    }
+}

DeliveryWebApi/Model/District.cs

@@ -1,6 +1,6 @@
 namespace DeliveryWebApi.Model;
 
-public class District(string name) : BaseEntity
+public class District : BaseEntity
 {
     public string Name { get; init; }
     public ICollection<Order> Orders { get; init; } = new List<Order>();

DeliveryWebApi/Model/Order.cs

@@ -3,7 +3,7 @@ namespace DeliveryWebApi.Model;
 public class Order : BaseEntity
 {
     public float Weight { get; init; }
-    public Guid DistrictId { get; init; }
+    public long DistrictId { get; init; }
     public District District { get; init; } = null!;
     public DateTime DeliveryDate { get; init; }
 }

DeliveryWebApi/Program.cs

@@ -1,38 +1,86 @@
 using DeliveryWebApi.Model;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Internal;
 
 var builder = WebApplication.CreateBuilder(args);
 
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
-if (builder.Configuration.GetValue<bool>("UseInMemoryDatabase"))
-    builder.Services.AddDbContext<DeliveryContext>(options => options.UseInMemoryDatabase("Delivery"));
-else
+
+// storage setup
+// either use in-memory storage or postgres depending on cfg
+builder.Services.AddDbContext<DeliveryDbContext>(options =>
 {
-    builder.Services.AddDbContext<DeliveryContext>(options =>
+    if (builder.Configuration.GetValue<bool>("UseInMemoryDatabase"))
+        options.UseInMemoryDatabase("Delivery");
+    else
     {
         var connectionString = builder.Configuration.GetConnectionString("DatabaseConnection");
         options.UseNpgsql(connectionString);
-    });
-}
-
+    }
+});
 
 var app = builder.Build();
 
-// swagger setup
 if (app.Environment.IsDevelopment())
 {
+    // swagger setup
     app.UseSwagger();
     app.UseSwaggerUI();
+    
+    // migrate model to seed random test values for developers
+    app.Services.CreateScope().ServiceProvider.GetRequiredService<DeliveryDbContext>().Database.EnsureCreated();
 }
 
 app.UseHttpsRedirection();
 
-app.MapPut("/addOrder", (float weight, long districtId, DateTime deliveryTime) =>
-    {
+app.MapPut("/addDistrict", (DeliveryDbContext context, string name) =>
+{
+    if (context.Districts.Any(d => d.Name == name))
+        return Results.BadRequest(new { Error = "District with the same name already exists" });
+    var district = new District{ Name = name };
+    context.Districts.Add(district);
+    var updated = context.SaveChanges();
+    if (updated <= 0)
+        return Results.Json(new { Error = "Something went wrong while adding a new district" }, statusCode: 500);
+    return Results.Ok(new { district.Id });
+});
 
-    })
-    .WithName("GetWeatherForecast")
-    .WithOpenApi();
+app.MapGet("/getDistrict/{id:long}", (DeliveryDbContext context, long id) =>
+{
+    var district = context.Districts.FirstOrDefault(d => d.Id == id);
+    if (district == null)
+        return Results.NotFound(new { Error = "District with the given id does not exist" });
+    return Results.Ok(new { district.Id, district.Name });
+});
+
+app.MapPut("/addOrder", (DeliveryDbContext context, long districtId, float weight, DateTime deliveryDate) =>
+{
+    var order = new Order{ DistrictId = districtId, Weight = weight, DeliveryDate = deliveryDate };
+    context.Orders.Add(order);
+    var updated = context.SaveChanges();
+    if (updated <= 0)
+        return Results.Json(new { Error = "Something went wrong while adding a new order" }, statusCode: 500);
+    return Results.Ok(new { order.Id });
+});
+
+app.MapGet("/getOrder/{id:long}", (DeliveryDbContext context, long id) =>
+{
+    var order = context.Orders.FirstOrDefault(o => o.Id == id);
+    if (order == null)
+        return Results.NotFound(new { Error = "Order with the given id does not exist" });
+    return Results.Ok(new { order.Id, order.DistrictId, order.Weight, order.DeliveryDate });
+});
+
+app.MapGet("/getOrders", (DeliveryDbContext context, string? districtName, DateTime? firstDeliveryDate) =>
+{
+    var orders = context.Districts
+        .Where(d => districtName == null || d.Name == districtName)
+        .SelectMany(d => d.Orders)
+        .Where(o => firstDeliveryDate == null || o.DeliveryDate >= firstDeliveryDate)
+        .OrderBy(o => o.DeliveryDate)
+        .Select(o => new { o.Id, o.District.Name, o.DeliveryDate, o.Weight });
+    return Results.Ok(orders);
+});
 
 app.Run();

DeliveryWebApi/appsettings.Development.json

@@ -4,5 +4,6 @@
       "Default": "Information",
       "Microsoft.AspNetCore": "Warning"
     }
-  }
+  },
+  "UseInMemoryDatabase": true
 }

DeliveryWebApi/appsettings.json

@@ -5,5 +5,6 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "UseInMemoryDatabase": true
 }

EffetiveTask.sln.DotSettings.user

@@ -1,2 +1,4 @@
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