From 362504e2239cc60e21391fe11633b6633b4ab877 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=98=E9=9F=AC=20=E5=BC=A0?= <hongtao_zhang@outlook.com>
Date: Thu, 1 Apr 2021 18:02:27 +0800
Subject: [PATCH] add score bumping with query and do hashcode customized

---
 Flow.Launcher/Storage/UserSelectedRecord.cs | 36 ++++++++++++++++++---
 1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/Flow.Launcher/Storage/UserSelectedRecord.cs b/Flow.Launcher/Storage/UserSelectedRecord.cs
index fd3d87fc4..e75ac7f63 100644
--- a/Flow.Launcher/Storage/UserSelectedRecord.cs
+++ b/Flow.Launcher/Storage/UserSelectedRecord.cs
@@ -1,5 +1,7 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Text.Json.Serialization;
+using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Storage;
 using Flow.Launcher.Plugin;
 
@@ -8,16 +10,42 @@ namespace Flow.Launcher.Storage
     public class UserSelectedRecord
     {
         [JsonInclude]
-        public Dictionary<string, int> records { get; private set; }
+        public Dictionary<int, int> records { get; private set; }
 
         public UserSelectedRecord()
         {
-            records = new Dictionary<string, int>();
+            records = new Dictionary<int, int>();
+        }
+
+        private static int GenerateCustomHashCode(Query query, Result result)
+        {
+            int hashcode = 23;
+
+            unchecked
+            {
+                // skip the empty space
+                foreach (var item in query.ActionKeyword.Concat(query.Search))
+                {
+                    hashcode = hashcode * 31 + item;
+                }
+
+                foreach (var item in result.Title)
+                {
+                    hashcode = hashcode * 31 + item;
+                }
+
+                foreach (var item in result.SubTitle)
+                {
+                    hashcode = hashcode * 31 + item;
+                }
+                return hashcode;
+
+            }
         }
 
         public void Add(Result result)
         {
-            var key = result.ToString();
+            var key = GenerateCustomHashCode(result.OriginQuery, result);
             if (records.ContainsKey(key))
             {
                 records[key]++;
@@ -31,7 +59,7 @@ namespace Flow.Launcher.Storage
 
         public int GetSelectedCount(Result result)
         {
-            if (records.TryGetValue(result.ToString(), out int value))
+            if (records.TryGetValue(GenerateCustomHashCode(result.OriginQuery, result), out int value))
             {
                 return value;
             }