feat: TabTools_InfoLookup play rating calculate

ui/designer/tabs/tabTools/tabTools_InfoLookup.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>665</width>
-    <height>570</height>
+    <height>574</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -689,6 +689,66 @@
      </layout>
     </widget>
    </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_6">
+     <property name="title">
+      <string>playRatingCalculate</string>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout_5">
+      <item>
+       <widget class="QLineEdit" name="playRatingCalculateScoreLineEdit">
+        <property name="minimumSize">
+         <size>
+          <width>100</width>
+          <height>0</height>
+         </size>
+        </property>
+        <property name="maximumSize">
+         <size>
+          <width>150</width>
+          <height>16777215</height>
+         </size>
+        </property>
+        <property name="inputMask">
+         <string notr="true">B9'999'999;_</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string notr="true">&gt;</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="playRatingCalculateResultLabel">
+        <property name="font">
+         <font>
+          <bold>true</bold>
+         </font>
+        </property>
+        <property name="text">
+         <string notr="true">...</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <spacer name="horizontalSpacer">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>40</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+     </layout>
+    </widget>
+   </item>
   </layout>
  </widget>
  <customwidgets>

ui/implements/tabs/tabTools/tabTools_InfoLookup.py

@@ -1,5 +1,6 @@
 import re
 
+from arcaea_offline.calculate import calculate_play_rating
 from arcaea_offline.database import Database
 from PySide6.QtCore import QDateTime
 from PySide6.QtWidgets import QVBoxLayout, QWidget
@@ -26,6 +27,16 @@ class TabTools_InfoLookup(Ui_TabTools_InfoLookup, QWidget):
         self.ratingClassSelector.valueChanged.connect(self.updateDifficultyLabels)
         self.ratingClassSelector.valueChanged.connect(self.updateChartInfoLabels)
 
+        self.songIdSelector.valueChanged.connect(
+            self.updatePlayRatingCalculateResultLabel
+        )
+        self.ratingClassSelector.valueChanged.connect(
+            self.updatePlayRatingCalculateResultLabel
+        )
+        self.playRatingCalculateScoreLineEdit.textChanged.connect(
+            self.updatePlayRatingCalculateResultLabel
+        )
+
         self.langSelectComboBox.addItem("En - English [en]", "en")
         self.langSelectComboBox.addItem("あ - Japanese [ja]", "ja")
         self.langSelectComboBox.addItem("한 - Korean [ko]", "ko")
@@ -193,7 +204,38 @@ class TabTools_InfoLookup(Ui_TabTools_InfoLookup, QWidget):
 
         chartInfo = self.db.get_chart_info(songId, ratingClass)
 
+        if not chartInfo:
+            self.resetChartInfoLabels()
+            return
+
         self.chartConstantLabel.setText(str(chartInfo.constant / 10))
         self.chartNotesLabel.setText(
             str(chartInfo.notes) if chartInfo.notes is not None else "-"
         )
+
+    def resetPlayRatingCalculateResultLabel(self):
+        self.playRatingCalculateResultLabel.setText("...")
+
+    def updatePlayRatingCalculateResultLabel(self):
+        songId = self.songIdSelector.songId()
+        ratingClass = self.ratingClassSelector.value()
+
+        if not songId or ratingClass is None:
+            self.resetPlayRatingCalculateResultLabel()
+            return
+
+        chartInfo = self.db.get_chart_info(songId, ratingClass)
+
+        if not chartInfo or not chartInfo.constant:
+            self.resetPlayRatingCalculateResultLabel()
+            return
+
+        if scoreText := self.playRatingCalculateScoreLineEdit.text().replace("'", ""):
+            score = int(scoreText)
+
+            self.playRatingCalculateResultLabel.setText(
+                f"{calculate_play_rating(chartInfo.constant / 10, score):.3f}"
+            )
+        else:
+            self.resetPlayRatingCalculateResultLabel()
+            return

ui/resources/lang/en_US.ts

@@ -1040,7 +1040,7 @@ validation</translation>
     <message>
         <location filename="../../designer/tabs/tabTools/tabTools_InfoLookup.ui" line="695"/>
         <source>playRatingCalculate</source>
-        <translation type="unfinished"></translation>
+        <translation>Calculate Play Rating</translation>
     </message>
 </context>
 <context>

ui/resources/lang/zh_CN.ts

@@ -1039,7 +1039,7 @@
     <message>
         <location filename="../../designer/tabs/tabTools/tabTools_InfoLookup.ui" line="695"/>
         <source>playRatingCalculate</source>
-        <translation type="unfinished"></translation>
+        <translation>计算单曲 PTT</translation>
     </message>
 </context>
 <context>