From d7d4f4d0dee0021428dfd0dfb882f7dd3f9aa932 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Thu, 30 Nov 2023 19:48:30 +0800
Subject: [PATCH] :art: Supports multiple views for the database
 https://github.com/siyuan-note/siyuan/issues/9751

---
 kernel/model/transaction.go | 47 +++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/kernel/model/transaction.go b/kernel/model/transaction.go
index cbd6eff5a..f95636035 100644
--- a/kernel/model/transaction.go
+++ b/kernel/model/transaction.go
@@ -242,6 +242,10 @@ func performTx(tx *Transaction) (ret *TxErr) {
 			ret = tx.doReplaceAttrViewBlock(op)
 		case "updateAttrViewColTemplate":
 			ret = tx.doUpdateAttrViewColTemplate(op)
+		case "addAttrViewView":
+			ret = tx.doAddAttrViewView(op)
+		case "removeAttrViewView":
+			ret = tx.doRemoveAttrViewView(op)
 		}
 
 		if nil != ret {
@@ -257,6 +261,49 @@ func performTx(tx *Transaction) (ret *TxErr) {
 	return
 }
 
+func (tx *Transaction) doRemoveAttrViewView(operation *Operation) (ret *TxErr) {
+	var err error
+	avID := operation.AvID
+	attrView, err := av.ParseAttributeView(avID)
+	if nil != err {
+		logging.LogErrorf("parse attribute view [%s] failed: %s", avID, err)
+		return &TxErr{code: TxErrCodeBlockNotFound, id: avID}
+	}
+
+	viewID := operation.ID
+	for i, view := range attrView.Views {
+		if viewID == view.ID {
+			attrView.Views = append(attrView.Views[:i], attrView.Views[i+1:]...)
+			break
+		}
+	}
+
+	if err = av.SaveAttributeView(attrView); nil != err {
+		logging.LogErrorf("save attribute view [%s] failed: %s", avID, err)
+		return &TxErr{code: TxErrCodeWriteTree, msg: err.Error(), id: avID}
+	}
+	return
+}
+
+func (tx *Transaction) doAddAttrViewView(operation *Operation) (ret *TxErr) {
+	var err error
+	avID := operation.AvID
+	attrView, err := av.ParseAttributeView(avID)
+	if nil != err {
+		logging.LogErrorf("parse attribute view [%s] failed: %s", avID, err)
+		return &TxErr{code: TxErrCodeBlockNotFound, id: avID}
+	}
+
+	view := av.NewView()
+	attrView.Views = append(attrView.Views, view)
+	attrView.ViewID = view.ID
+	if err = av.SaveAttributeView(attrView); nil != err {
+		logging.LogErrorf("save attribute view [%s] failed: %s", avID, err)
+		return &TxErr{code: TxErrCodeWriteTree, msg: err.Error(), id: avID}
+	}
+	return
+}
+
 func (tx *Transaction) doMove(operation *Operation) (ret *TxErr) {
 	var err error
 	id := operation.ID