add search api client ✨

Author: KoditkarVedant

Src/Notion.Client/Api/ApiEndpoints.cs

@@ -20,5 +20,10 @@ public static class BlocksApiUrls
             public static string RetrieveChildren(string blockId) => $"/v1/blocks/{blockId}/children";
             public static string AppendChildren(string blockId) => $"/v1/blocks/{blockId}/children";
         }
+
+        public static class SearchApiUrls
+        {
+            public static string Search() => "/v1/search";
+        }
     }
 }

Src/Notion.Client/Api/Search/ISearchClient.cs

@@ -0,0 +1,9 @@
+using System.Threading.Tasks;
+
+namespace Notion.Client
+{
+    public interface ISearchClient
+    {
+        Task<PaginatedList<IObject>> SearchAsync(SearchParameters parameters);
+    }
+}

Src/Notion.Client/Api/Search/Parameters/ISearchBodyParameters.cs

@@ -0,0 +1,9 @@
+namespace Notion.Client
+{
+    public interface ISearchBodyParameters : IPaginationParameters
+    {
+        string Query { get; set; }
+        SearchSort Sort { get; set; }
+        SearchFilter Filter { get; set; }
+    }
+}

Src/Notion.Client/Api/Search/Parameters/SearchDirection.cs

@@ -0,0 +1,13 @@
+using System.Runtime.Serialization;
+
+namespace Notion.Client
+{
+    public enum SearchDirection
+    {
+        [EnumMember(Value = "ascending")]
+        Ascending,
+
+        [EnumMember(Value = "descending")]
+        Descending
+    }
+}

Src/Notion.Client/Api/Search/Parameters/SearchFilter.cs

@@ -0,0 +1,8 @@
+namespace Notion.Client
+{
+    public class SearchFilter
+    {
+        public SearchObjectType Value { get; set; }
+        public string Property => "object";
+    }
+}

Src/Notion.Client/Api/Search/Parameters/SearchObjectType.cs

@@ -0,0 +1,13 @@
+using System.Runtime.Serialization;
+
+namespace Notion.Client
+{
+    public enum SearchObjectType
+    {
+        [EnumMember(Value = "page")]
+        Page,
+
+        [EnumMember(Value = "database")]
+        Database
+    }
+}

Src/Notion.Client/Api/Search/Parameters/SearchParameters.cs

@@ -0,0 +1,11 @@
+namespace Notion.Client
+{
+    public class SearchParameters : ISearchBodyParameters
+    {
+        public string Query { get; set; }
+        public SearchSort Sort { get; set; }
+        public SearchFilter Filter { get; set; }
+        public string StartCursor { get; set; }
+        public string PageSize { get; set; }
+    }
+}

Src/Notion.Client/Api/Search/Parameters/SearchSort.cs

@@ -0,0 +1,14 @@
+using System;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace Notion.Client
+{
+    public class SearchSort
+    {
+        public SearchDirection Direction { get; set; }
+
+        [JsonConverter(typeof(IsoDateTimeConverter))]
+        public DateTime Timestamp { get; set; }
+    }
+}

Src/Notion.Client/Api/Search/SearchClient.cs

@@ -0,0 +1,24 @@
+using System.Threading.Tasks;
+using static Notion.Client.ApiEndpoints;
+
+namespace Notion.Client
+{
+    public class SearchClient : ISearchClient
+    {
+        private readonly IRestClient client;
+
+        public SearchClient(IRestClient client)
+        {
+            this.client = client;
+        }
+
+        public async Task<PaginatedList<IObject>> SearchAsync(SearchParameters parameters)
+        {
+            var url = SearchApiUrls.Search();
+
+            var body = (ISearchBodyParameters)parameters;
+
+            return await client.PostAsync<PaginatedList<IObject>>(url, body);
+        }
+    }
+}

Src/Notion.Client/Models/PaginatedList.cs

@@ -5,7 +5,10 @@ namespace Notion.Client
 {
     public interface IPaginationParameters
     {
+        [JsonProperty("start_cursor")]
         string StartCursor { get; set; }
+
+        [JsonProperty("page_size")]
         string PageSize { get; set; }
     }