AccountInfo history statistics query

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/AccountHistoryInformationPipelineContextData.cs

@@ -0,0 +1,26 @@
+using System;
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline
+{
+    public class AccountHistoryInformationPipelineContextData: IDatabasePipelineContextData, IStatisticsPipelineData
+    {
+        public AccountHistoryInformationPipelineContextData(DateTime lastBattleSince)
+        {
+            LastBattleSince = lastBattleSince;
+        }
+
+        public DateTime LastBattleSince { get; }
+
+        public AccountInfo DbAccountInfo { get; set; }
+
+        public IStatistics[] History { get; set; }
+        public ShortStatistics OverallStatistics { get; set; }
+        public ShortStatistics PeriodAccountStatistics { get; set; }
+        public StatisticsDifference PeriodDifference { get; set; }
+        public StatisticsDifference[] StatisticsHistory { get; set; }
+
+        public AccountInfoHistoryResponse Response { get; set; }
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/HistoryInformationPipelineContextData.cs

@@ -1,13 +0,0 @@
-using WotBlitzStatisticsPro.Common.Model;
-using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
-
-namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline
-{
-    public class HistoryInformationPipelineContextData: IDatabasePipelineContextData
-    {
-        public AccountInfo DbAccountInfo { get; set; }
-
-
-        public AccountInfoHistoryResponse Response { get; set; }
-    }
-}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/IStatisticsPipelineData.cs

@@ -0,0 +1,18 @@
+using WotBlitzStatisticsPro.Common.Model;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline
+{
+    public interface IStatisticsPipelineData
+    {
+        IStatistics[] History { get; set; }
+
+        ShortStatistics OverallStatistics { get; set; }
+
+        public ShortStatistics PeriodAccountStatistics { get; set; }
+
+        public StatisticsDifference PeriodDifference { get; set; }
+
+        public StatisticsDifference[] StatisticsHistory { get; set; }
+
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/Operations/CheckIfHistoryIsEmptyOperation.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Logging;
+using WotBlitzStatisticsPro.Logic.AccountInformationPipeline.OperationContext;
+using WotBlitzStatisticsPro.Logic.Pipeline;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline.Operations
+{
+    public class CheckIfHistoryIsEmptyOperation : IOperation<IOperationContext>
+    {
+        private readonly ILogger<CheckIfHistoryIsEmptyOperation> _logger;
+
+        public CheckIfHistoryIsEmptyOperation(ILogger<CheckIfHistoryIsEmptyOperation> logger)
+        {
+            _logger = logger;
+        }
+
+
+        public Task Invoke(IOperationContext context, Func<IOperationContext, Task> next)
+        {
+            var contextData = context.Get<IStatisticsPipelineData>();
+
+            if (contextData.History == null ||
+                contextData.History.Length == 0)
+            {
+                _logger.LogInformation(
+                    $"History request doesn't return any data");
+                return Task.CompletedTask;
+            }
+
+            return next.Invoke(context);
+        }
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/Operations/FillAccountInfoHistoryResponse.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Threading.Tasks;
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.Logic.AccountInformationPipeline.OperationContext;
+using WotBlitzStatisticsPro.Logic.Calculations;
+using WotBlitzStatisticsPro.Logic.Pipeline;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline.Operations
+{
+    public class FillAccountInfoHistoryResponse : IOperation<IOperationContext>
+    {
+        public Task Invoke(IOperationContext context, Func<IOperationContext, Task> next)
+        {
+            var contextData = context.Get<AccountHistoryInformationPipelineContextData>();
+
+            contextData.Response = new AccountInfoHistoryResponse
+            {
+                AccountId = context.Request.AccountId,
+                CreatedAt = contextData.DbAccountInfo.CreatedAt.ToDateTime(),
+                Nickname = contextData.DbAccountInfo.Nickname,
+                PeriodDifference = contextData.PeriodDifference,
+                StatisticsHistory = contextData.StatisticsHistory,
+                PeriodAccountStatistics = contextData.PeriodAccountStatistics,
+                OverallAccountStatistics = contextData.OverallStatistics
+            };
+
+            return next.Invoke(context);
+        }
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/Operations/FillOverallStatisticsOperation.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Threading.Tasks;
+using AutoMapper;
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.Logic.AccountInformationPipeline.OperationContext;
+using WotBlitzStatisticsPro.Logic.Pipeline;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline.Operations
+{
+    public class FillOverallStatisticsOperation : IOperation<IOperationContext>
+    {
+        private readonly IMapper _mapper;
+
+        public FillOverallStatisticsOperation(IMapper mapper)
+        {
+            _mapper = mapper;
+        }
+
+
+        public Task Invoke(IOperationContext context, Func<IOperationContext, Task> next)
+        {
+            var contextData = context.Get<IStatisticsPipelineData>();
+
+            contextData.OverallStatistics = _mapper.Map<IStatistics, ShortStatistics>(contextData.History[0]);
+
+            return next.Invoke(context);
+        }
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/Operations/FillPeriodDifferenceOperation.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Threading.Tasks;
+using AutoMapper;
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.Logic.AccountInformationPipeline.OperationContext;
+using WotBlitzStatisticsPro.Logic.Calculations;
+using WotBlitzStatisticsPro.Logic.Pipeline;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline.Operations
+{
+    public class FillPeriodDifferenceOperation : IOperation<IOperationContext>
+    {
+        public Task Invoke(IOperationContext context, Func<IOperationContext, Task> next)
+        {
+            var contextData = context.Get<IStatisticsPipelineData>();
+
+            if (contextData.History.Length > 1)
+            {
+                contextData.PeriodDifference = new StatisticsDifference();
+                var historyLastIndex = contextData.History.Length - 1;
+
+                contextData.PeriodDifference.FillDifference(contextData.History[0], contextData.History[historyLastIndex]);
+            }
+
+            return next.Invoke(context);
+        }
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/Operations/FillPeriodStatisticsOperation.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Threading.Tasks;
+using AutoMapper;
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
+using WotBlitzStatisticsPro.Logic.AccountInformationPipeline.OperationContext;
+using WotBlitzStatisticsPro.Logic.Pipeline;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline.Operations
+{
+    public class FillPeriodStatisticsOperation : IOperation<IOperationContext>
+    {
+        private readonly IMapper _mapper;
+
+        public FillPeriodStatisticsOperation(IMapper mapper)
+        {
+            _mapper = mapper;
+        }
+
+
+        public Task Invoke(IOperationContext context, Func<IOperationContext, Task> next)
+        {
+            var contextData = context.Get<IStatisticsPipelineData>();
+
+            if (contextData.History.Length > 1)
+            {
+                var diff = new AccountInfoHistory(context.Request.AccountId, contextData.History[0].LastBattleTime);
+
+                var historyLastIndex = contextData.History.Length - 1;
+
+                diff.Battles = contextData.History[0].Battles - contextData.History[historyLastIndex].Battles;
+                diff.Wins = contextData.History[0].Wins - contextData.History[historyLastIndex].Wins;
+                diff.DamageDealt = contextData.History[0].DamageDealt - contextData.History[historyLastIndex].DamageDealt;
+                diff.Xp = contextData.History[0].Xp - contextData.History[historyLastIndex].Xp;
+
+                contextData.PeriodAccountStatistics = _mapper.Map<IStatistics, ShortStatistics>(diff);
+            }
+
+            return next.Invoke(context);
+        }
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/Operations/FillStatisticsDifferenceOperation.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.Logic.AccountInformationPipeline.OperationContext;
+using WotBlitzStatisticsPro.Logic.Calculations;
+using WotBlitzStatisticsPro.Logic.Pipeline;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline.Operations
+{
+    public class FillStatisticsDifferenceOperation : IOperation<IOperationContext>
+    {
+        public Task Invoke(IOperationContext context, Func<IOperationContext, Task> next)
+        {
+            var contextData = context.Get<IStatisticsPipelineData>();
+
+            if (contextData.History.Length > 1)
+            {
+                contextData.StatisticsHistory = new StatisticsDifference[contextData.History.Length - 1];
+                for (int i = 1; i < contextData.History.Length; i++)
+                {
+                    contextData.StatisticsHistory[i - 1] = new StatisticsDifference();
+                    contextData.StatisticsHistory[i - 1].FillDifference(contextData.History[i - 1], contextData.History[i]);
+                }
+            }
+
+            return next.Invoke(context);
+        }
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/Operations/ReadAccountInfoHistoryFromDbOperation.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using WotBlitzStatisticsPro.DataAccess;
+using WotBlitzStatisticsPro.Logic.AccountInformationPipeline.OperationContext;
+using WotBlitzStatisticsPro.Logic.Calculations;
+using WotBlitzStatisticsPro.Logic.Pipeline;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline.Operations
+{
+    public class ReadAccountInfoHistoryFromDbOperation : IOperation<IOperationContext>
+    {
+        private readonly IWargamingAccountDataAccessor _accountDataAccessor;
+
+        public ReadAccountInfoHistoryFromDbOperation(IWargamingAccountDataAccessor accountDataAccessor)
+        {
+            _accountDataAccessor = accountDataAccessor;
+        }
+
+        public async Task Invoke(IOperationContext context, Func<IOperationContext, Task> next)
+        {
+            var contextData = context.Get<AccountHistoryInformationPipelineContextData>();
+
+            contextData.History = (await _accountDataAccessor.GetAccountHistory(context.Request.AccountId, contextData.LastBattleSince.ToUnixTimestamp())).ToArray();
+            await next.Invoke(context);
+        }
+    }
+}

WotBlitzStatisticsPro.Logic/Calculations/DateTimeHelper.cs

@@ -12,6 +12,12 @@ namespace WotBlitzStatisticsPro.Logic.Calculations
             return dtDateTime;
         }
 
+		public static int ToUnixTimestamp(this DateTime date)
+        {
+            var diff = date - new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
+            return Convert.ToInt32(diff.TotalSeconds);
+        }
+
 
 	}
 }

WotBlitzStatisticsPro.Logic/Calculations/StatisticsHelper.cs

@@ -0,0 +1,77 @@
+using WotBlitzStatisticsPro.Common.Model;
+
+namespace WotBlitzStatisticsPro.Logic.Calculations
+{
+    public static class StatisticsHelper
+    {
+        public static void FillDifference(
+            this StatisticsDifference difference, 
+            IStatistics firstItem,
+            IStatistics lastItem)
+        {
+            difference.LastBattleTime = firstItem.LastBattleTime.ToDateTime();
+            difference.Battles = new StatisticsDifferenceItem<long>
+            {
+                CurrentValue = firstItem.Battles ?? 0,
+                Difference = firstItem.Battles - lastItem.Battles
+            };
+            difference.AvgTier = new StatisticsDifferenceItem<double>
+            {
+                CurrentValue = firstItem.AvgTier,
+                Difference = firstItem.AvgTier - lastItem.AvgTier
+            };
+            difference.Wn7 = new StatisticsDifferenceItem<double>
+            {
+                CurrentValue = firstItem.Wn7,
+                Difference = firstItem.Wn7 - lastItem.Wn7
+            };
+
+            decimal firstWinRate = lastItem.Battles.HasValue
+                ? 100 * (decimal)(lastItem.Wins ?? 0) /
+                  lastItem.Battles.Value
+                : 0m;
+
+            decimal lastWinRate = firstItem.Battles.HasValue
+                ? 100 * (decimal)(firstItem.Wins ?? 0) /
+                  firstItem.Battles.Value
+                : 0m;
+            difference.WinRate = new StatisticsDifferenceItem<decimal>
+            {
+                CurrentValue = lastWinRate,
+                Difference = lastWinRate - firstWinRate
+            };
+
+
+            decimal firsAvgDmg = lastItem.Battles.HasValue
+                ? (decimal)(lastItem.DamageDealt ?? 0) /
+                  lastItem.Battles.Value
+                : 0m;
+
+            decimal lastAvgDmg = firstItem.Battles.HasValue
+                ? (decimal)(firstItem.DamageDealt ?? 0) /
+                  firstItem.Battles.Value
+                : 0m;
+            difference.AvgDamage = new StatisticsDifferenceItem<decimal>
+            {
+                CurrentValue = lastAvgDmg,
+                Difference = lastAvgDmg - firsAvgDmg
+            };
+
+            decimal firsAvgXp = lastItem.Battles.HasValue
+                ? (decimal)(lastItem.Xp ?? 0) /
+                  lastItem.Battles.Value
+                : 0m;
+
+            decimal lastAvgXp = firstItem.Battles.HasValue
+                ? (decimal)(firstItem.Xp ?? 0) /
+                  firstItem.Battles.Value
+                : 0m;
+            difference.AvgXp = new StatisticsDifferenceItem<decimal>
+            {
+                CurrentValue = lastAvgXp,
+                Difference = lastAvgXp - firsAvgXp
+            };
+
+        }
+    }
+}

WotBlitzStatisticsPro.Logic/Mappers/ShortStatisticsProfile.cs

@@ -0,0 +1,23 @@
+using AutoMapper;
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.Logic.Calculations;
+
+namespace WotBlitzStatisticsPro.Logic.Mappers
+{
+    public class ShortStatisticsProfile: Profile
+    {
+        public ShortStatisticsProfile()
+        {
+            CreateMap<IStatistics, ShortStatistics>()
+                .ForMember(d => d.LastBattleTime, 
+                    o => o.MapFrom(s => s.LastBattleTime.ToDateTime()))
+                .ForMember(d => d.AvgDamage,
+                    o => o.MapFrom(s => s.Battles.HasValue && s.Battles > 0 ? ((decimal)s.DamageDealt / s.Battles) : 0m))
+                .ForMember(d => d.AvgXp,
+                    o => o.MapFrom(s => s.Battles.HasValue && s.Battles > 0 ? ((decimal)s.Xp / s.Battles) : 0m))
+                .ForMember(d => d.WinRate,
+                    o => o.MapFrom(s => s.Battles.HasValue && s.Battles > 0 ? (100 * (decimal)s.Wins / s.Battles) : 0m))
+                ;
+        }
+    }
+}

WotBlitzStatisticsPro.Logic/WargamingAccounts.cs

@@ -62,20 +62,19 @@ namespace WotBlitzStatisticsPro.Logic
 
         public async Task<AccountInfoHistoryResponse> GetAccountInfoHistory(RealmType realm, long accountId, DateTime startDate, RequestLanguage requestLanguage)
         {
-            var contextData = new HistoryInformationPipelineContextData();
+            var contextData = new AccountHistoryInformationPipelineContextData(startDate);
             var context = new OperationContext(new AccountRequest(accountId, realm, requestLanguage));
             context.AddOrReplace(contextData);
             var pipeline = new Pipeline<IOperationContext>(_operationFactory);
 
-            // ToDo:
-            // 1. First read account info from DB operation
             pipeline.AddOperation<ReadAccountInfoFromDbOperation>()
-
-                // 2. Read account history from DB at the startDate !Array SortedByDate! operation
-                // 3. Fill the OverallAccountStatistics
-                // PeriodAccountStatistics
-                // PeriodDifference
-                // StatisticsHistory
+                .AddOperation<ReadAccountInfoHistoryFromDbOperation>()
+                .AddOperation<CheckIfHistoryIsEmptyOperation>()
+                .AddOperation<FillOverallStatisticsOperation>()
+                .AddOperation<FillPeriodStatisticsOperation>()
+                .AddOperation<FillPeriodDifferenceOperation>()
+                .AddOperation<FillStatisticsDifferenceOperation>()
+                .AddOperation<FillAccountInfoHistoryResponse>()
                 ;
 
             await pipeline.Build()

WotBlitzStatisticsPro.Logic/WotBlitzStatisticsLogicInstaller.cs

@@ -66,6 +66,13 @@ namespace WotBlitzStatisticsPro.Logic
             services.AddTransient<CalculateStatisticsOperation>();
             services.AddTransient<BuildAccountInfoResponseOperation>();
             services.AddTransient<SaveAccountAndTanksOperation>();
+            services.AddTransient<ReadAccountInfoHistoryFromDbOperation>();
+            services.AddTransient<CheckIfHistoryIsEmptyOperation>();
+            services.AddTransient<FillOverallStatisticsOperation>();
+            services.AddTransient<FillPeriodStatisticsOperation>();
+            services.AddTransient<FillPeriodDifferenceOperation>();
+            services.AddTransient<FillStatisticsDifferenceOperation>();
+            services.AddTransient<FillAccountInfoHistoryResponse>();
 
             services.AddTransient<IOperationFactory>(serviceProvider =>
                 new ServiceProviderOperationFactory(serviceProvider));