Exchange rate

BusinessLogicLayer.Abstraction/BusinessLogicLayer.Abstraction.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp2.2</TargetFramework>
+        <RootNamespace>Abstraction</RootNamespace>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\DataAccessLayer.Models\DataAccessLayer.Models.csproj"/>
+    </ItemGroup>
+
+</Project>

BusinessLogicLayer.Abstraction/Interfaces/ICurrencyProvider.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using DataAccessLayer.Models.Entities;
+
+namespace Abstraction.Interfaces
+{
+    public interface ICurrencyProvider
+    {
+        Task<IEnumerable<CurrencyExchangeRate>> GetExchangeRateAsync();
+    }
+}

BusinessLogicLayer.Abstraction/Interfaces/IOfficialSource.cs

@@ -0,0 +1,6 @@
+namespace Abstraction.Interfaces
+{
+    public interface IOfficialSource : ICurrencyProvider
+    {
+    }
+}

BusinessLogicLayer.Abstraction/Interfaces/IResponseClient.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+using DataAccessLayer.Models.Entities;
+
+namespace Abstraction.Interfaces
+{
+    public interface IResponseClient
+    {
+        Task<string> SendResponse(Updates updates);
+    }
+}

BusinessLogicLayer.Abstraction/Interfaces/IUnofficialSource.cs

@@ -0,0 +1,6 @@
+namespace Abstraction.Interfaces
+{
+    public interface IUnofficialSource : ICurrencyProvider
+    {
+    }
+}

BusinessLogicLayer.Implementation/BusinessLogicLayer.Implementation.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp2.2</TargetFramework>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Flurl.Http" Version="2.4.2"/>
+        <PackageReference Include="Newtonsoft.Json" Version="12.0.2"/>
+        <PackageReference Include="VkNet" Version="1.44.0"/>
+        <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="2.2.0.0"/>
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\BusinessLogicLayer.Abstraction\BusinessLogicLayer.Abstraction.csproj"/>
+        <ProjectReference Include="..\BusinessLogicLayer.Objects\BusinessLogicLayer.Objects.csproj"/>
+    </ItemGroup>
+
+
+</Project>

BusinessLogicLayer.Implementation/Services/CbrExchangeRateProvider.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Abstraction.Interfaces;
+using AutoMapper;
+using BusinessLogicLayer.Objects.Dtos;
+using BusinessLogicLayer.Objects.Dtos.Cbr;
+using DataAccessLayer.Models.Entities;
+using Flurl.Http;
+using Microsoft.Extensions.Configuration;
+
+namespace BusinessLogicLayer.Implementation.Services
+{
+    public class CbrExchangeRateProvider : IOfficialSource
+    {
+        private readonly IMapper _mapper;
+
+        private readonly IConfiguration _configuration;
+
+        public CbrExchangeRateProvider(IMapper mapper, IConfiguration configuration)
+        {
+            _mapper = mapper;
+
+            _configuration = configuration;
+        }
+
+
+        public async Task<IEnumerable<CurrencyExchangeRate>> GetExchangeRateAsync()
+        {
+            CbrResponse cbrResponse = await _configuration["Config:LinqCbr"]
+                .GetJsonAsync<CbrResponse>();
+
+            Currency[] currencies =
+            {
+                cbrResponse.Currencies.EUR,
+                cbrResponse.Currencies.UAH,
+                cbrResponse.Currencies.USD
+            };
+//
+//            return currencies.Select(currency => new CurrencyDataResponse
+//                {
+//                    DataSource = SourceType.Official,
+//                    Date = cbrResponse.Date,
+//                    Code = currency.CharCode,
+//                    Name = currency.Name,
+//                    Value = currency.Value / currency.Nominal
+//                })
+//                .ToList();
+
+            return _mapper.Map<IEnumerable<CurrencyExchangeRate>>(currencies,
+                options => options.Items[CbrConstants.Date] = cbrResponse.Date);
+        }
+    }
+}

BusinessLogicLayer.Implementation/Services/CurrateCurrencyProviderService.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Abstraction.Interfaces;
+using BusinessLogicLayer.Objects.Dtos.Currate;
+using DataAccessLayer.Models.Entities;
+using DataAccessLayer.Models.Enums;
+using Flurl.Http;
+using Microsoft.Extensions.Configuration;
+
+namespace BusinessLogicLayer.Implementation.Services
+{
+    public class CurrateCurrencyProviderService : IUnofficialSource
+    {
+        private readonly IConfiguration _configuration;
+
+        public CurrateCurrencyProviderService(IConfiguration configuration)
+        {
+            _configuration = configuration;
+        }
+
+        public async Task<IEnumerable<CurrencyExchangeRate>> GetExchangeRateAsync()
+        {
+            CurrateResponse currateResponse =
+                await _configuration["Config:LinqCurrate"]
+                    .GetJsonAsync<CurrateResponse>();
+
+            return new[]
+            {
+                new CurrencyExchangeRate
+                {
+                    DataSource = SourceType.Exchange,
+
+                    Code = "EUR",
+
+                    Date = DateTime.UtcNow,
+
+                    Name = "Евро",
+
+                    Value = currateResponse.Data.EURRUB
+                },
+
+                new CurrencyExchangeRate
+                {
+                    DataSource = SourceType.Exchange,
+
+                    Code = "USD",
+
+                    Date = DateTime.UtcNow,
+
+                    Name = "Доллар США",
+
+                    Value = currateResponse.Data.USDRUB
+                }
+            };
+        }
+    }
+}

BusinessLogicLayer.Implementation/Services/VkResponseClientService.cs

@@ -0,0 +1,78 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Abstraction.Interfaces;
+using BusinessLogicLayer.Objects.Dtos;
+using DataAccessLayer.Models.Entities;
+using Microsoft.Extensions.Configuration;
+using VkNet.Abstractions;
+using VkNet.Model;
+using VkNet.Model.RequestParams;
+using VkNet.Utils;
+
+namespace BusinessLogicLayer.Implementation.Services
+{
+    public class VkResponseClientService : IResponseClient
+    {
+        private readonly IConfiguration _configuration;
+
+        private readonly IVkApi _vkApi;
+
+        private readonly ICurrencyProvider _currencyProviderService;
+
+        public VkResponseClientService(IVkApi vkApi, IConfiguration configuration,
+            ICurrencyProvider currencyProviderService)
+        {
+            _vkApi = vkApi;
+            _configuration = configuration;
+            _currencyProviderService = currencyProviderService;
+        }
+
+        public async Task<string> SendResponse(Updates updates)
+        {
+            if (updates == null)
+            {
+                return string.Empty;
+            }
+            // Проверяем, что находится в поле "type" 
+
+            switch (updates.Type)
+            {
+                // Если это уведомление для подтверждения адреса
+                case VkMessagesTypes.Confirmation:
+                    // Отправляем строку для подтверждения 
+                    return _configuration["Config:Confirmation"];
+
+                case VkMessagesTypes.MessageNew:
+                {
+                    // Десериализация
+                    var vkMessage = Message.FromJson(new VkResponse(updates.Object));
+
+                    // Отправим в ответ полученный от пользователя текст
+                    IEnumerable<CurrencyExchangeRate> currencies = await _currencyProviderService
+                        .GetExchangeRateAsync();
+
+                    string responseMessage = currencies.Aggregate(string.Empty,
+                        (previous, current) => previous + $"{current.Name}: {current.Value} ₽\n");
+
+                    if (vkMessage.PeerId != null)
+                    {
+                        _vkApi.Messages.Send(new MessagesSendParams
+                        {
+                            RandomId = new DateTime().Millisecond,
+
+                            PeerId = vkMessage.PeerId.Value,
+
+                            Message = responseMessage
+                        });
+                    }
+
+                    return responseMessage;
+                }
+            }
+
+            return string.Empty;
+        }
+    }
+}

BusinessLogicLayer.Objects/BusinessLogicLayer.Objects.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp2.2</TargetFramework>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Newtonsoft.Json" Version="12.0.2"/>
+    </ItemGroup>
+
+</Project>

BusinessLogicLayer.Objects/Constants/CbrConstants.cs

@@ -0,0 +1,7 @@
+namespace BusinessLogicLayer.Objects.Dtos
+{
+    public class CbrConstants
+    {
+        public const string Date = "Date";
+    }
+}

BusinessLogicLayer.Objects/Constants/VkMessagesTypes.cs

@@ -0,0 +1,9 @@
+namespace BusinessLogicLayer.Objects.Dtos
+{
+    public class VkMessagesTypes
+    {
+        public const string Confirmation = "confirmation";
+
+        public const string MessageNew = "message_new";
+    }
+}

ConsoleAppCourseValut/Valute.cs → BusinessLogicLayer.Objects/Dtos/Cbr/CbrCurrencies.cs

@@ -1,15 +1,11 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace ConsoleAppCourseCurrency
+namespace BusinessLogicLayer.Objects.Dtos.Cbr
 {
-    public class Valute
+    public class CbrCurrencies
     {
         public Currency USD { get; set; }
 
         public Currency UAH { get; set; }
 
         public Currency EUR { get; set; }
     }
-}
+}

BusinessLogicLayer.Objects/Dtos/Cbr/CbrResponse.cs

@@ -0,0 +1,18 @@
+using System;
+using Newtonsoft.Json;
+
+namespace BusinessLogicLayer.Objects.Dtos.Cbr
+{
+    public class CbrResponse
+    {
+        public DateTime Date { get; set; }
+
+        public DateTime PreviousDate { get; set; }
+
+        /// <summary>
+        /// Валюты
+        /// </summary>
+        [JsonProperty("Valute")]
+        public CbrCurrencies Currencies { get; set; }
+    }
+}

ConsoleAppCourseValut/Currency.cs → BusinessLogicLayer.Objects/Dtos/Cbr/Currency.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace ConsoleAppCourseCurrency
+namespace BusinessLogicLayer.Objects.Dtos.Cbr
 {
     public class Currency
     {
@@ -19,8 +15,5 @@ public class Currency
         public double Value { get; set; }
 
         public double Previous { get; set; }
-
-        public override string ToString() => $"Курс {Name}: {Value / Nominal} ₽";
     }
-
-}
+}

BusinessLogicLayer.Objects/Dtos/Currate/CurrateResponse.cs

@@ -0,0 +1,15 @@
+namespace BusinessLogicLayer.Objects.Dtos.Currate
+{
+    public class CurrateResponse
+    {
+        public Currencies Data { get; set; }
+//        {
+//            "status": "200",
+//            "message": "rates",
+//            "data": {
+//                "EURRUB": "71.3846",
+//                "USDRUB": "58.059"
+//            }
+//        }
+    }
+}

BusinessLogicLayer.Objects/Dtos/Currate/Currencies.cs

@@ -0,0 +1,9 @@
+namespace BusinessLogicLayer.Objects.Dtos.Currate
+{
+    public class Currencies
+    {
+        public double EURRUB { get; set; }
+
+        public double USDRUB { get; set; }
+    }
+}