Preparing for the History query

.gitattributes

@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain

WotBlitzStatisticsPro.Common/Model/AccountInfoHistoryResponse.cs

@@ -0,0 +1,45 @@
+using System;
+
+namespace WotBlitzStatisticsPro.Common.Model
+{
+    /// <summary>
+    /// Information about player statistics history
+    /// </summary>
+    public class AccountInfoHistoryResponse
+    {
+        ///<summary>
+        /// Player account identifier
+        ///</summary>
+        public long AccountId { get; set; }
+
+        ///<summary>
+        /// Account creation date
+        ///</summary>
+        public DateTime CreatedAt { get; set; }
+
+        ///<summary>
+        /// Player's nick
+        ///</summary>
+        public string Nickname { get; set; }
+
+        /// <summary>
+        /// Overall statistics since account creation
+        /// </summary>
+        public ShortStatistics OverallAccountStatistics { get; set; }
+
+        /// <summary>
+        /// Statistics for period
+        /// </summary>
+        public ShortStatistics PeriodAccountStatistics { get; set; }
+
+        /// <summary>
+        /// Difference between start and end of the period
+        /// </summary>
+        public StatisticsDifference PeriodDifference { get; set; }
+
+        /// <summary>
+        /// The detailed history
+        /// </summary>
+        public StatisticsDifference[] StatisticsHistory { get; set; }
+    }
+}

WotBlitzStatisticsPro.Common/Model/ShortStatistics.cs

@@ -0,0 +1,46 @@
+using System;
+
+namespace WotBlitzStatisticsPro.Common.Model
+{
+    /// <summary>
+    /// Short statistics info
+    /// </summary>
+    public class ShortStatistics
+    {
+        ///<summary>
+        /// Last battle time
+        ///</summary>
+        public DateTime LastBattleTime { get; set; }
+
+        ///<summary>
+        /// Battles count
+        ///</summary>
+        public long Battles { get; set; }
+
+        /// <summary>
+        /// Average tier
+        /// </summary>
+        public double AvgTier { get; set; }
+
+        /// <summary>
+        /// Wn7 coefficient
+        /// </summary>
+        public double Wn7 { get; set; }
+
+        /// <summary>
+        /// Player's win rate
+        /// </summary>
+        public decimal WinRate { get; set; }
+
+        /// <summary>
+        /// Player's average damage
+        /// </summary>
+        public decimal AvgDamage { get; set; }
+
+        /// <summary>
+        /// Player's average XP
+        /// </summary>
+        public decimal AvgXp { get; set; }
+
+    }
+}

WotBlitzStatisticsPro.Common/Model/StatisticsDifference.cs

@@ -0,0 +1,46 @@
+using System;
+
+namespace WotBlitzStatisticsPro.Common.Model
+{
+    /// <summary>
+    /// The difference between current statistics state and previous
+    /// </summary>
+    public class StatisticsDifference
+    {
+        ///<summary>
+        /// Last battle time
+        ///</summary>
+        public DateTime LastBattleTime { get; set; }
+
+        ///<summary>
+        /// Difference in Battles count
+        ///</summary>
+        public StatisticsDifferenceItem<long> Battles { get; set; }
+
+        /// <summary>
+        /// Difference in Average tier
+        /// </summary>
+        public StatisticsDifferenceItem<double> AvgTier { get; set; }
+
+        /// <summary>
+        /// Difference in Wn7 coefficient
+        /// </summary>
+        public StatisticsDifferenceItem<double> Wn7 { get; set; }
+
+        /// <summary>
+        /// Difference in Player's win rate
+        /// </summary>
+        public StatisticsDifferenceItem<decimal> WinRate { get; set; }
+
+        /// <summary>
+        /// Difference in Player's average damage
+        /// </summary>
+        public StatisticsDifferenceItem<decimal> AvgDamage { get; set; }
+
+        /// <summary>
+        /// Difference in Player's average XP
+        /// </summary>
+        public StatisticsDifferenceItem<decimal> AvgXp { get; set; }
+
+    }
+}

WotBlitzStatisticsPro.Common/Model/StatisticsDifferenceItem.cs

@@ -0,0 +1,18 @@
+namespace WotBlitzStatisticsPro.Common.Model
+{
+    /// <summary>
+    /// Represents the difference of one statistics parameter
+    /// </summary>
+    public class StatisticsDifferenceItem<T> where T: struct
+    {
+        /// <summary>
+        /// The current value of statistics item
+        /// </summary>
+        public T CurrentValue { get; set; }
+
+        /// <summary>
+        /// The difference between current and previous value
+        /// </summary>
+        public T? Difference { get; set; }
+    }
+}

WotBlitzStatisticsPro.DataAccess/IWargamingAccountDataAccessor.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System.Collections.Generic;
+using System.Threading.Tasks;
 using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
 
 namespace WotBlitzStatisticsPro.DataAccess
@@ -16,5 +17,9 @@ namespace WotBlitzStatisticsPro.DataAccess
         Task AddOrUpdateTankInfo(TankInfo tankInfo);
 
         Task AddTankInfoHistory(TankInfoHistory tankInfoHistory);
+
+        Task<IEnumerable<AccountInfoHistory>> GetAccountHistory(long accountId, int lastBattleSince);
+
+        Task<IEnumerable<TankInfoHistory>> GetTankHistory(long accountId, long tankId, int lastBattleSince);
     }
 }

WotBlitzStatisticsPro.DataAccess/WargamingAccountDataAccessor.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System.Collections.Generic;
+using System.Threading.Tasks;
 using MongoDB.Driver;
 using WotBlitzStatisticsPro.Common;
 using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
@@ -109,5 +110,15 @@ namespace WotBlitzStatisticsPro.DataAccess
             return _database.GetCollection<TankInfoHistory>(TankInfoHistoryCollectionName)
                 .InsertOneAsync(tankInfoHistory);
         }
+
+        public Task<IEnumerable<AccountInfoHistory>> GetAccountHistory(long accountId, int lastBattleSince)
+        {
+            throw new System.NotImplementedException();
+        }
+
+        public Task<IEnumerable<TankInfoHistory>> GetTankHistory(long accountId, long tankId, int lastBattleSince)
+        {
+            throw new System.NotImplementedException();
+        }
     }
 }

WotBlitzStatisticsPro.GraphQl/Query/WotBlitzStatisticsQuery.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using WotBlitzStatisticsPro.Common.Model;
 using WotBlitzStatisticsPro.Logic;
 
@@ -68,5 +69,23 @@ namespace WotBlitzStatisticsPro.GraphQl.Query
         {
             return _wargamingAccounts.GatherAccountInformation(realmType ?? RealmType.Ru, accountId, requestLanguage ?? RequestLanguage.En);
         }
+
+        /// <summary>
+        /// Account statistics history for period since "startDate"
+        /// </summary>
+        /// <param name="accountId">AccountId</param>
+        /// <param name="startDate">Date from history started</param>
+        /// <param name="realmType">Account region</param>
+        /// <param name="requestLanguage">Request language</param>
+        /// <returns></returns>
+        public Task<AccountInfoHistoryResponse> AccountInfoHistory(
+            long accountId,
+            DateTime startDate,
+            RealmType? realmType,
+            RequestLanguage? requestLanguage)
+        {
+            return _wargamingAccounts.GetAccountInfoHistory(realmType ?? RealmType.Ru, accountId, startDate,
+                requestLanguage ?? RequestLanguage.En);
+        }
     }
 }

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/AccountInformationPipelineContext.cs

@@ -4,7 +4,7 @@ using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
 
 namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline
 {
-    public class AccountInformationPipelineContext
+    public class AccountInformationPipelineContext: IDatabasePipelineContext
     {
         public AccountInformationPipelineContext(
             long accountId,

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/HistoryInformationPipelineContext.cs

@@ -0,0 +1,28 @@
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline
+{
+    public class HistoryInformationPipelineContext: IDatabasePipelineContext
+    {
+        public HistoryInformationPipelineContext(
+            long accountId,
+            RealmType realmType,
+            RequestLanguage requestLanguage)
+        {
+            AccountId = accountId;
+            RealmType = realmType;
+            RequestLanguage = requestLanguage;
+        }
+
+
+        public long AccountId { get; }
+        public RealmType RealmType { get; }
+        public RequestLanguage RequestLanguage { get; }
+
+        public AccountInfo DbAccountInfo { get; set; }
+
+
+        public AccountInfoHistoryResponse Response { get; set; }
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/IAccountPipelineContext.cs

@@ -0,0 +1,11 @@
+using WotBlitzStatisticsPro.Common.Model;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline
+{
+    public interface IAccountPipelineContext
+    {
+        long AccountId { get; }
+        RealmType RealmType { get; }
+        RequestLanguage RequestLanguage { get; }
+    }
+}

WotBlitzStatisticsPro.Logic/AccountInformationPipeline/IDatabasePipelineContext.cs

@@ -0,0 +1,9 @@
+using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
+
+namespace WotBlitzStatisticsPro.Logic.AccountInformationPipeline
+{
+    public interface IDatabasePipelineContext: IAccountPipelineContext
+    {
+        AccountInfo DbAccountInfo { get; set; }
+    }
+}

WotBlitzStatisticsPro.Logic/IWargamingAccounts.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using WotBlitzStatisticsPro.Common.Model;
 
 namespace WotBlitzStatisticsPro.Logic
@@ -8,5 +9,8 @@ namespace WotBlitzStatisticsPro.Logic
         Task<AccountInfoResponse> GatherAccountInformation(RealmType realm, long accountId, RequestLanguage requestLanguage);
 
         Task<AccountInfoResponse> GatherAndSaveAccountInformation(RealmType realm, long accountId, RequestLanguage requestLanguage);
+
+        Task<AccountInfoHistoryResponse> GetAccountInfoHistory(RealmType realm, long accountId, DateTime startDate,
+            RequestLanguage requestLanguage);
     }
 }

WotBlitzStatisticsPro.Logic/WargamingAccounts.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using WotBlitzStatisticsPro.Common.Model;
 using WotBlitzStatisticsPro.Logic.AccountInformationPipeline;
 using WotBlitzStatisticsPro.Logic.AccountInformationPipeline.Operations;
@@ -53,5 +54,27 @@ namespace WotBlitzStatisticsPro.Logic
 
             return context.Response;
         }
+
+        public async Task<AccountInfoHistoryResponse> GetAccountInfoHistory(RealmType realm, long accountId, DateTime startDate, RequestLanguage requestLanguage)
+        {
+            var context = new HistoryInformationPipelineContext(accountId, realm, requestLanguage);
+            var pipeline = new Pipeline<HistoryInformationPipelineContext>(_operationFactory);
+
+            //pipeline.AddOperation<ReadAccountInfoFromDbOperation>()
+
+            // ToDo:
+            // 1. First read account info from DB operation
+            // 2. Read account history from DB at the startDate !Array SortedByDate! operation
+            // 3. Fill the OverallAccountStatistics
+            // PeriodAccountStatistics
+            // PeriodDifference
+            // StatisticsHistory
+
+            await pipeline.Build()
+                .Invoke(context, null)
+                .ConfigureAwait(false);
+
+            return context.Response;
+        }
     }
 }