fix video search result

Author: behroozbc

src/DuckDuckGoDotNet/DuckDuckGoSearch.cs

@@ -160,7 +160,7 @@ private async Task<string> GetVqd(string keywords)
             stream.Read(content, 0, content.Length);
             return Utils.ExtractVqd(content, keywords);
         }
-        
+
         /// <summary>
         /// DuckDuckGo text search. Query params: https://duckduckgo.com/params.
         /// </summary>
@@ -416,7 +416,7 @@ public async Task<IEnumerable<ImageSearchItem>> ImagesAsync(
         /// <param name="licenseVideos">creativeCommon, youtube. Defaults to null.</param>
         /// <param name="maxResults">Max number of results. If null, returns results only from the first response. Defaults to null.</param>
         /// <returns>List of video search results.</returns>
-        public async Task<List<Dictionary<string, string>>> VideosAsync(
+        public async Task<List<VideoSearchItem>> VideosAsync(
             string keywords,
             string region = "wt-wt",
             string safesearch = "moderate",
@@ -443,25 +443,15 @@ public async Task<List<Dictionary<string, string>>> VideosAsync(
             };
 
             var cache = new HashSet<string>();
-            var results = new List<Dictionary<string, string>>();
+            var results = new List<VideoSearchItem>();
 
             for (int i = 0; i < 8; i++)
             {
                 using var resp = await GetUrl("GET", "https://duckduckgo.com/v.js", paramsDict: payload);
                 var jsonStr = await resp.Content.ReadAsStringAsync();
                 var respJson = JsonSerializer.Deserialize<Dictionary<string, object>>(jsonStr);
-                var pageData = JsonSerializer.Deserialize<List<Dictionary<string, string>>>(respJson["results"].ToString());
-
-                foreach (var row in pageData)
-                {
-                    if (!cache.Contains(row["content"]))
-                    {
-                        cache.Add(row["content"]);
-                        results.Add(row);
-                        if (maxResults.HasValue && results.Count >= maxResults.Value) return results;
-                    }
-                }
-
+                var pageData = JsonSerializer.Deserialize<List<VideoSearchItem>>(respJson["results"].ToString());
+                results.AddRange(pageData);
                 string next = respJson.ContainsKey("next") ? respJson["next"].ToString() : null;
                 if (string.IsNullOrEmpty(next) || !maxResults.HasValue) return results;
                 payload["s"] = next.Split("s=")[1].Split("&")[0];

src/DuckDuckGoDotNet/Search/SearchItem.cs

@@ -36,4 +36,49 @@ public class NewsSearchItem : BaseMediaSearchItem
     public DateTimeOffset Date { get; init; }
     [JsonPropertyName("body")]
     public string Body { get; init; }
+}
+public class VideoSearchItem : BaseSearchItem
+{
+    [JsonPropertyName("content")]
+    public string Content { get; set; }
+    [JsonPropertyName("description")]
+    public string Description { get; set; }
+    [JsonPropertyName("duration")]
+    public string Duration { get; set; }
+    [JsonPropertyName("embed_html")]
+    public string EmbedHtml { get; set; }
+    [JsonPropertyName("embed_url")]
+    public string EmbedUrl { get; set; }
+    [JsonPropertyName("image_token")]
+    public string ImageToken { get; set; }
+    [JsonPropertyName("provider")]
+    public string Provider { get; set; }
+    [JsonPropertyName("published")]
+    public DateTime Published { get; set; }
+    [JsonPropertyName("publisher")]
+    public string Publisher { get; set; }
+    [JsonPropertyName("statistics")]
+    public Statistics Statistics { get; set; }
+    [JsonPropertyName("uploader")]
+    public string Uploader { get; set; }
+    [JsonPropertyName("images")]
+    public Images Images { get; set; }
+}
+
+public class Images
+{
+    [JsonPropertyName("large")]
+    public Uri Large { get; set; }
+    [JsonPropertyName("medium")]
+    public Uri Medium { get; set; }
+    [JsonPropertyName("motion")]
+    public Uri Motion { get; set; }
+    [JsonPropertyName("small")]
+    public Uri Small { get; set; }
+}
+
+public class Statistics
+{
+    [JsonPropertyName("viewCount")]
+    public int? ViewCount { get; set; }
 }