feat(account): account creation

src/budget/_account.py

@@ -0,0 +1,103 @@
+from PyQt6.QtWidgets import *
+from PyQt6.QtGui import QDoubleValidator
+from ._tab import TabPage
+from ._pg import PostgresTab
+import json
+
+class AccountTab(TabPage):
+    def __init__(self, parent):
+        super().__init__()
+        self.initUI()
+        self.pg = parent.pg
+        self.rows = []
+
+    def initUI(self):
+        # 创建连接信息控件
+        self.accountComboBox = QComboBox()
+        
+        self.accountAddButton = QPushButton('Add New account')
+        self.accountAddButton.clicked.connect(self.onaccountAddClicked)
+
+        # 创建控件布局
+        accountLayout = QHBoxLayout()
+        accountLayout.addWidget(self.accountComboBox)
+        accountLayout.addWidget(self.accountAddButton)
+
+        accountWidget = QWidget()
+        self.setLayout(accountLayout)
+
+    def onaccountAddClicked(self):
+
+        # 创建添加数据对话框
+        addDialog = QDialog(self)
+        addDialog.setWindowTitle('Add New Account')
+        addDialog.resize(400, 300)
+
+        label1 = QLabel("Account Name:")
+        line1 = QLineEdit()
+        label2 = QLabel("Account Balance:")
+        line2 = QLineEdit()
+        line2.setText("0.00")
+        # 只允许输入两位小数
+        line2.setValidator(QDoubleValidator(0.00, 999999999.99, 2))
+        label3 = QLabel("Description:")
+        line3 = QLineEdit()
+
+        button1 = QPushButton("Confirm")
+        button2 = QPushButton("Abort")
+        buttonLayout = QHBoxLayout()
+        buttonLayout.addWidget(button1)
+        buttonLayout.addWidget(button2)
+
+        button1.clicked.connect(addDialog.accept)
+        button2.clicked.connect(addDialog.reject)
+
+        layout = QFormLayout()
+        layout.addRow(label1,line1)
+        layout.addRow(label2,line2)
+        layout.addRow(label3,line3)
+        layout.addRow(buttonLayout)
+
+        addDialog.setLayout(layout)
+
+        # 显示添加数据对话框
+        if addDialog.exec() == QDialog.DialogCode.Accepted:
+            try:
+                # 获取输入数据
+                name = line1.text()
+                balance = float(line2.text())
+
+                description = line3.text()
+                if (name == ''):
+                    raise Exception('Account name cannot be empty')
+
+                # JSONB插入数据
+                data = {"name": line1.text(), "balance": balance, "description": description}
+                data = json.dumps(data)
+                print("insert data:",data)
+                
+                self.pg.execute("INSERT INTO account (meta) VALUES (%s)", (data,))
+
+                # 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 selected(self):
+        # 清空表格
+        self.accountComboBox.clear()
+        # 获取表格列名
+        try:
+            self.pg.execute("SELECT a_id, meta ->> 'name' FROM account ORDER BY a_id")
+            self.rows = self.pg.cur.fetchall()
+            print(self.rows)
+            for row in self.rows:
+                data = row[1]
+                self.accountComboBox.addItem(data)
+        except Exception as e:
+            print(e)
+            QMessageBox.critical(self, 'Error', str(e))