there is no property "file" https://developers.notion.com/reference/database#database-property. renamed to "files"

Author: aleksei-oecd

Src/Notion.Client/Models/Database/Properties/FileProperty.cs renamed to Src/Notion.Client/Models/Database/Properties/FilesProperty.cs

@@ -2,9 +2,9 @@
 
 namespace Notion.Client
 {
-    public class FileProperty : Property
+    public class FilesProperty : Property
     {
-        public override PropertyType Type => PropertyType.File;
+        public override PropertyType Type => PropertyType.Files;
         public Dictionary<string, object> File { get; set; }
     }
 }

Src/Notion.Client/Models/Database/Properties/Property.cs

@@ -10,7 +10,7 @@ namespace Notion.Client
     [JsonSubtypes.KnownSubType(typeof(CreatedTimeProperty), PropertyType.CreatedTime)]
     [JsonSubtypes.KnownSubType(typeof(DateProperty), PropertyType.Date)]
     [JsonSubtypes.KnownSubType(typeof(EmailProperty), PropertyType.Email)]
-    [JsonSubtypes.KnownSubType(typeof(FileProperty), PropertyType.File)]
+    [JsonSubtypes.KnownSubType(typeof(FilesProperty), PropertyType.Files)]
     [JsonSubtypes.KnownSubType(typeof(FormulaProperty), PropertyType.Formula)]
     [JsonSubtypes.KnownSubType(typeof(LastEditedByProperty), PropertyType.LastEditedBy)]
     [JsonSubtypes.KnownSubType(typeof(LastEditedTimeProperty), PropertyType.LastEditedTime)]

Src/Notion.Client/Models/Database/Properties/PropertyType.cs

@@ -28,8 +28,8 @@ public enum PropertyType
         [EnumMember(Value = "people")]
         People,
 
-        [EnumMember(Value = "file")]
-        File,
+        [EnumMember(Value = "files")]
+        Files,
 
         [EnumMember(Value = "checkbox")]
         Checkbox,

Test/Notion.UnitTests/PropertyTests.cs

@@ -13,7 +13,7 @@ public class PropertyTests
         [InlineData(typeof(CreatedTimeProperty), PropertyType.CreatedTime)]
         [InlineData(typeof(DateProperty), PropertyType.Date)]
         [InlineData(typeof(EmailProperty), PropertyType.Email)]
-        [InlineData(typeof(FileProperty), PropertyType.File)]
+        [InlineData(typeof(FilesProperty), PropertyType.Files)]
         [InlineData(typeof(FormulaProperty), PropertyType.Formula)]
         [InlineData(typeof(LastEditedByProperty), PropertyType.LastEditedBy)]
         [InlineData(typeof(LastEditedTimeProperty), PropertyType.LastEditedTime)]
@@ -41,7 +41,7 @@ public void TestPropertyType(Type type, PropertyType expectedPropertyType)
         [InlineData(typeof(CreatedTimeProperty), "created_time")]
         [InlineData(typeof(DateProperty), "date")]
         [InlineData(typeof(EmailProperty), "email")]
-        [InlineData(typeof(FileProperty), "file")]
+        [InlineData(typeof(FilesProperty), "files")]
         [InlineData(typeof(FormulaProperty), "formula")]
         [InlineData(typeof(LastEditedByProperty), "last_edited_by")]
         [InlineData(typeof(LastEditedTimeProperty), "last_edited_time")]