feat: add trans tab

src/budget/_trans.py

@@ -1,6 +1,7 @@
 from PyQt6.QtWidgets import *
 from ._tab import TabPage
 from ._pg import PostgresTab
+from PyQt6.QtGui import QDoubleValidator
 import json
 
 class TransTab(TabPage):
@@ -34,7 +35,118 @@ class TransTab(TabPage):
         self.setLayout(transLayout)
 
     def onTransAddClicked(self):
-        pass
+        # 创建添加数据对话框
+        self.sDialog = QDialog(self)
+        self.sDialog.setWindowTitle('Add New Transaction')
+
+        typeLable = QLabel("Type:")
+        typeLine = QComboBox()
+        typeLine.addItem("Expense")
+        typeLine.addItem("Income")
+        typeLine.currentIndexChanged.connect(self.onDialogTypeChanged)
+
+        categoryLabel = QLabel("Category:")
+        categoryLine = QComboBox()
+
+        accountLabel = QLabel("Account:")
+        accountLine = QComboBox()
+
+        amountLabel = QLabel("Amount:")
+        amountLine = QLineEdit()
+        amountLine.setText("0.00")
+        # 只允许输入两位小数
+        amountLine.setValidator(QDoubleValidator(0.00, 999999999.99, 2))
+
+        descriptionLabel = QLabel("Description:")
+        descriptionLine = QLineEdit()
+
+        button1 = QPushButton("Confirm")
+        button2 = QPushButton("Abort")
+        buttonLayout = QHBoxLayout()
+        buttonLayout.addWidget(button1)
+        buttonLayout.addWidget(button2)
+
+        button1.clicked.connect(self.sDialog.accept)
+        button2.clicked.connect(self.sDialog.reject)
+
+        self.dialogLayout = QFormLayout()
+        self.dialogLayout.addRow(typeLable, typeLine)
+        self.dialogLayout.addRow(categoryLabel, categoryLine)
+        self.dialogLayout.addRow(accountLabel, accountLine)
+        self.dialogLayout.addRow(amountLabel, amountLine)
+        self.dialogLayout.addRow(descriptionLabel, descriptionLine)
+        self.dialogLayout.addRow(buttonLayout)
+        self.dialogLayout.setSpacing(12)
+        self.dialogLayout.setContentsMargins(15, 15, 15, 15)
+        self.sDialog.setMinimumWidth(400)
+        self.sDialog.setLayout(self.dialogLayout)
+
+        # 初始化数据
+        self.onDialogTypeChanged(1)
+
+        # 显示添加数据对话框
+        if self.sDialog.exec() == QDialog.DialogCode.Accepted:
+            try:
+
+                amount = float(amountLine.text())
+
+                # 获取输入数据
+                type = typeLine.currentText()
+                if (type == "Income"):
+                    type = "in"
+                else:
+                    type = "out"
+                    amount = -amount
+
+                category = self.categoryData[categoryLine.currentIndex()][0]
+
+                account = self.accountData[accountLine.currentIndex()][0]
+
+                description = descriptionLine.text()
+
+                # JSONB插入数据
+                data = {"description": description}
+                data = json.dumps(data)
+                print("insert data:", data)
+
+                self.pg.execute(
+                    "INSERT INTO transaction (c_id, a_id, amount, meta) VALUES (%s,%s,%s,%s)", (category, account, amount, data,))
+                self.pg.execute("UPDATE account SET balance = balance + (%s::NUMERIC)::MONEY WHERE a_id = %s", (amount, account,))
+                
+
+                # 刷新表格
+                self.selected()
+
+            except Exception as e:
+                # 处理插入数据错误
+                print(e)
+                QMessageBox.critical(self, 'Error', str(e))
 
     def onTransModifyClicked(self):
-        pass
+        pass
+
+
+
+    def onDialogTypeChanged(self, index):
+        # 获取当前选择的类型
+        type = self.dialogLayout.itemAt(1).widget().currentText()
+        print(type)
+        if(type=="Income"):
+            self.pg.execute(
+            "SELECT c_id, meta->>'name' FROM category WHERE meta->>'type'='in' ORDER BY c_id")
+        else:
+            self.pg.execute(
+            "SELECT c_id, meta->>'name' FROM category WHERE meta->>'type'='out' ORDER BY c_id")
+        self.categoryData = self.pg.fetchall()
+        print(self.categoryData)
+        self.dialogLayout.itemAt(3).widget().clear()
+        for i in range(len(self.categoryData)):
+            self.dialogLayout.itemAt(3).widget().addItem(self.categoryData[i][1])
+
+        # 填充账户
+        self.pg.execute("SELECT a_id, meta ->> 'name' FROM account ORDER BY a_id")
+        self.accountData = self.pg.fetchall()
+        print(self.accountData)
+        self.dialogLayout.itemAt(5).widget().clear()
+        for i in range(len(self.accountData)):
+            self.dialogLayout.itemAt(5).widget().addItem(self.accountData[i][1])