From 8e676e0df83280c1532ee00088ce2a597a30704d Mon Sep 17 00:00:00 2001
From: David Stotijn <dstotijn@gmail.com>
Date: Fri, 17 Dec 2021 13:14:55 +0100
Subject: [PATCH] Add support for `link_preview` block type and rich text
 mentions

---
 block.go     |  2 ++
 rich_text.go | 22 ++++++++++++++--------
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/block.go b/block.go
index 0f3971e..cf2f61c 100644
--- a/block.go
+++ b/block.go
@@ -40,6 +40,7 @@ type Block struct {
 	Breadcrumb       *Breadcrumb      `json:"breadcrumb,omitempty"`
 	ColumnList       *ColumnList      `json:"column_list,omitempty"`
 	Column           *Column          `json:"column,omitempty"`
+	LinkPreview      *LinkPreview     `json:"link_preview,omitempty"`
 }
 
 type RichTextBlock struct {
@@ -149,6 +150,7 @@ const (
 	BlockTypeBreadCrumb       BlockType = "breadcrumb"
 	BlockTypeColumnList       BlockType = "column_list"
 	BlockTypeColumn           BlockType = "column"
+	BlockTypeLinkPreview      BlockType = "link_preview"
 	BlockTypeUnsupported      BlockType = "unsupported"
 )
 
diff --git a/rich_text.go b/rich_text.go
index 634de8c..1422303 100644
--- a/rich_text.go
+++ b/rich_text.go
@@ -27,10 +27,11 @@ type Annotations struct {
 type Mention struct {
 	Type MentionType `json:"type"`
 
-	User     *User `json:"user,omitempty"`
-	Page     *ID   `json:"page,omitempty"`
-	Database *ID   `json:"database,omitempty"`
-	Date     *Date `json:"date,omitempty"`
+	User        *User        `json:"user,omitempty"`
+	Page        *ID          `json:"page,omitempty"`
+	Database    *ID          `json:"database,omitempty"`
+	Date        *Date        `json:"date,omitempty"`
+	LinkPreview *LinkPreview `json:"link_preview,omitempty"`
 }
 
 type Date struct {
@@ -38,6 +39,10 @@ type Date struct {
 	End   *DateTime `json:"end,omitempty"`
 }
 
+type LinkPreview struct {
+	URL string `json:"url"`
+}
+
 type Text struct {
 	Content string `json:"content"`
 	Link    *Link  `json:"link,omitempty"`
@@ -64,10 +69,11 @@ const (
 )
 
 const (
-	MentionTypeUser     MentionType = "user"
-	MentionTypePage     MentionType = "page"
-	MentionTypeDatabase MentionType = "database"
-	MentionTypeDate     MentionType = "date"
+	MentionTypeUser        MentionType = "user"
+	MentionTypePage        MentionType = "page"
+	MentionTypeDatabase    MentionType = "database"
+	MentionTypeDate        MentionType = "date"
+	MentionTypeLinkPreview MentionType = "link_preview"
 )
 
 const (