From 9fcf49888be6e0c6190172a83c2a2514ec47c47b Mon Sep 17 00:00:00 2001
From: anthony4m <amoahanthony41@gmail.com>
Date: Fri, 3 Jan 2025 21:13:09 +0000
Subject: [PATCH] added page dirty flag

---
 kfile/Page.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/kfile/Page.go b/kfile/Page.go
index 1b0e585..90306fd 100644
--- a/kfile/Page.go
+++ b/kfile/Page.go
@@ -14,6 +14,7 @@ type Page struct {
 	pageId       uint64
 	mu           sync.RWMutex
 	IsCompressed bool
+	isDirty      bool
 }
 
 const (
@@ -52,6 +53,7 @@ func (p *Page) SetInt(offset int, val int) error {
 		return fmt.Errorf("%s: setting int", ErrOutOfBounds)
 	}
 	binary.BigEndian.PutUint32(p.data[offset:], uint32(val))
+	p.SetIsDirty(true)
 	return nil
 }
 
@@ -110,6 +112,7 @@ func (p *Page) SetBytes(offset int, val []byte) error {
 		copy(p.data[offset:], val)
 
 		p.data[offset+length] = 0
+		p.SetIsDirty(true)
 	}
 
 	return nil
@@ -154,6 +157,7 @@ func (p *Page) SetString(offset int, val string) error {
 	strBytes := append([]byte(val))
 
 	p.SetBytes(offset, strBytes)
+	p.SetIsDirty(true)
 	return nil
 }
 
@@ -168,6 +172,7 @@ func (p *Page) SetBool(offset int, val bool) error {
 	} else {
 		p.data[offset] = 0
 	}
+	p.SetIsDirty(true)
 	return nil
 }
 
@@ -191,6 +196,7 @@ func (p *Page) SetDate(offset int, val time.Time) error {
 	}
 	convertedVal := uint64(val.Unix())
 	binary.BigEndian.PutUint64(p.data[offset:], convertedVal)
+	p.SetIsDirty(true)
 	return nil
 }
 
@@ -204,6 +210,14 @@ func (p *Page) GetDate(offset int) (time.Time, error) {
 	return time.Unix(int64(timestamp), 0), nil
 }
 
+func (p *Page) SetIsDirty(dirt bool) {
+	p.isDirty = dirt
+}
+
+func (p *Page) GetIsDirty() bool {
+	return p.isDirty
+}
+
 func (p *Page) Contents() []byte {
 	return p.data
 }