verify whether required items is valid before submitting new transaction

src/locales/en.json

@@ -1400,6 +1400,10 @@
     "Please refresh the page and try again. If the error persists, ensure that the server's map settings are correctly configured.": "Please refresh the page and try again. If the error persists, ensure that the server's map settings are correctly configured.",
     "Tags": "Tags",
     "Your transaction description (optional)": "Your transaction description (optional)",
+    "Transaction category cannot be blank": "Transaction category cannot be blank",
+    "Transaction account cannot be blank": "Transaction account cannot be blank",
+    "Source account cannot be blank": "Source account cannot be blank",
+    "Destination account cannot be blank": "Destination account cannot be blank",
     "Are you sure you want to save this transaction with a zero amount?": "Are you sure you want to save this transaction with a zero amount?",
     "Unable to retrieve transaction": "Unable to retrieve transaction",
     "Unable to add transaction": "Unable to add transaction",

src/locales/zh_Hans.json

@@ -1400,6 +1400,10 @@
     "Please refresh the page and try again. If the error persists, ensure that the server's map settings are correctly configured.": "请刷新页面并重试。如果仍然显示错误，请确保正确设置了服务器地图设置。",
     "Tags": "标签",
     "Your transaction description (optional)": "你的交易描述 (可选)",
+    "Transaction category cannot be blank": "交易分类不能为空",
+    "Transaction account cannot be blank": "交易账户不能为空",
+    "Source account cannot be blank": "来源账户不能为空",
+    "Destination account cannot be blank": "目标账户不能为空",
     "Are you sure you want to save this transaction with a zero amount?": "您确定要保存这个金额为0的交易？",
     "Unable to retrieve transaction": "无法获取交易",
     "Unable to add transaction": "无法添加交易",

src/views/desktop/transactions/list/dialogs/EditDialog.vue

@@ -598,6 +598,36 @@ export default {
             return !!this.inputEmptyProblemMessage;
         },
         inputEmptyProblemMessage() {
+            if (this.transaction.type === this.allTransactionTypes.Expense) {
+                if (!this.transaction.expenseCategory || this.transaction.expenseCategory === '') {
+                    return 'Transaction category cannot be blank';
+                }
+
+                if (!this.transaction.sourceAccountId || this.transaction.sourceAccountId === '') {
+                    return 'Transaction account cannot be blank';
+                }
+            } else if (this.transaction.type === this.allTransactionTypes.Income) {
+                if (!this.transaction.incomeCategory || this.transaction.incomeCategory === '') {
+                    return 'Transaction category cannot be blank';
+                }
+
+                if (!this.transaction.sourceAccountId || this.transaction.sourceAccountId === '') {
+                    return 'Transaction account cannot be blank';
+                }
+            } else if (this.transaction.type === this.allTransactionTypes.Transfer) {
+                if (!this.transaction.transferCategory || this.transaction.transferCategory === '') {
+                    return 'Transaction category cannot be blank';
+                }
+
+                if (!this.transaction.sourceAccountId || this.transaction.sourceAccountId === '') {
+                    return 'Source account cannot be blank';
+                }
+
+                if (!this.transaction.destinationAccountId || this.transaction.destinationAccountId === '') {
+                    return 'Destination account cannot be blank';
+                }
+            }
+
             if (this.type === 'template') {
                 if (!this.transaction.name) {
                     return 'Template name cannot be blank';

src/views/mobile/transactions/EditPage.vue

@@ -636,6 +636,36 @@ export default {
             return !!this.inputEmptyProblemMessage;
         },
         inputEmptyProblemMessage() {
+            if (this.transaction.type === this.allTransactionTypes.Expense) {
+                if (!this.transaction.expenseCategory || this.transaction.expenseCategory === '') {
+                    return 'Transaction category cannot be blank';
+                }
+
+                if (!this.transaction.sourceAccountId || this.transaction.sourceAccountId === '') {
+                    return 'Transaction account cannot be blank';
+                }
+            } else if (this.transaction.type === this.allTransactionTypes.Income) {
+                if (!this.transaction.incomeCategory || this.transaction.incomeCategory === '') {
+                    return 'Transaction category cannot be blank';
+                }
+
+                if (!this.transaction.sourceAccountId || this.transaction.sourceAccountId === '') {
+                    return 'Transaction account cannot be blank';
+                }
+            } else if (this.transaction.type === this.allTransactionTypes.Transfer) {
+                if (!this.transaction.transferCategory || this.transaction.transferCategory === '') {
+                    return 'Transaction category cannot be blank';
+                }
+
+                if (!this.transaction.sourceAccountId || this.transaction.sourceAccountId === '') {
+                    return 'Source account cannot be blank';
+                }
+
+                if (!this.transaction.destinationAccountId || this.transaction.destinationAccountId === '') {
+                    return 'Destination account cannot be blank';
+                }
+            }
+
             if (this.type === 'template') {
                 if (!this.transaction.name) {
                     return 'Template name cannot be blank';