NadekoBot Patronage system, Search commands improvements + fixes

src/NadekoBot/Modules/Searches/Search/Google/GoogleCustomSearchResult.cs

@@ -0,0 +1,22 @@
+using NadekoBot.Modules.Searches;
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Services;
+
+public sealed class GoogleCustomSearchResult : ISearchResult
+{
+    ISearchResultInformation ISearchResult.Info
+        => Info;
+
+    public string? Answer
+        => null;
+
+    IReadOnlyCollection<ISearchResultEntry> ISearchResult.Entries
+        => Entries ?? Array.Empty<OfficialGoogleSearchResultEntry>();
+
+    [JsonPropertyName("searchInformation")]
+    public GoogleSearchResultInformation Info { get; init; } = null!;
+
+    [JsonPropertyName("items")]
+    public IReadOnlyCollection<OfficialGoogleSearchResultEntry>? Entries { get; init; }
+}

src/NadekoBot/Modules/Searches/Search/Google/GoogleImageData.cs

@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Services;
+
+public sealed class GoogleImageData
+{
+    [JsonPropertyName("contextLink")]
+    public string ContextLink { get; init; } = null!;
+
+    [JsonPropertyName("thumbnailLink")]
+    public string ThumbnailLink { get; init; } = null!;
+}

src/NadekoBot/Modules/Searches/Search/Google/GoogleImageResult.cs

@@ -0,0 +1,19 @@
+using NadekoBot.Modules.Searches;
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Services;
+
+public sealed class GoogleImageResult : IImageSearchResult
+{
+    ISearchResultInformation IImageSearchResult.Info
+        => Info;
+
+    IReadOnlyCollection<IImageSearchResultEntry> IImageSearchResult.Entries
+        => Entries ?? Array.Empty<GoogleImageResultEntry>();
+
+    [JsonPropertyName("searchInformation")]
+    public GoogleSearchResultInformation Info { get; init; } = null!;
+
+    [JsonPropertyName("items")]
+    public IReadOnlyCollection<GoogleImageResultEntry>? Entries { get; init; }
+}

src/NadekoBot/Modules/Searches/Search/Google/GoogleImageResultEntry.cs

@@ -0,0 +1,13 @@
+using NadekoBot.Modules.Searches;
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Services;
+
+public sealed class GoogleImageResultEntry : IImageSearchResultEntry
+{
+    [JsonPropertyName("link")]
+    public string Link { get; init; } = null!;
+
+    [JsonPropertyName("image")]
+    public GoogleImageData Image { get; init; } = null!;
+}

src/NadekoBot/Modules/Searches/Search/Google/GoogleSearchResultInformation.cs

@@ -0,0 +1,13 @@
+using NadekoBot.Modules.Searches;
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Services;
+
+public sealed class GoogleSearchResultInformation : ISearchResultInformation
+{
+    [JsonPropertyName("formattedTotalResults")]
+    public string TotalResults { get; init; } = null!;
+
+    [JsonPropertyName("formattedSearchTime")]
+    public string SearchTime { get; init; } = null!;
+}

src/NadekoBot/Modules/Searches/Search/Google/GoogleSearchService.cs

@@ -0,0 +1,66 @@
+using MorseCode.ITask;
+
+namespace NadekoBot.Modules.Searches;
+
+public sealed class GoogleSearchService : SearchServiceBase, INService
+{
+    private readonly IBotCredsProvider _creds;
+    private readonly IHttpClientFactory _httpFactory;
+
+    public GoogleSearchService(IBotCredsProvider creds, IHttpClientFactory httpFactory)
+    {
+        _creds = creds;
+        _httpFactory = httpFactory;
+    }
+    
+    public override async ITask<GoogleImageResult?> SearchImagesAsync(string query)
+    {
+        ArgumentNullException.ThrowIfNull(query);
+
+        var creds = _creds.GetCreds();
+        var key = creds.Google.ImageSearchId;
+        var cx = string.IsNullOrWhiteSpace(key)
+            ? "c3f56de3be2034c07"
+            : key;
+        
+        using var http = _httpFactory.CreateClient("google:search");
+        http.DefaultRequestHeaders.Add("Accept-Encoding", "gzip");
+        await using var stream = await http.GetStreamAsync(
+            $"https://customsearch.googleapis.com/customsearch/v1"
+            + $"?cx={cx}"
+            + $"&q={Uri.EscapeDataString(query)}"
+            + $"&fields=items(image(contextLink%2CthumbnailLink)%2Clink)%2CsearchInformation"
+            + $"&key={creds.GoogleApiKey}"
+            + $"&searchType=image"
+            + $"&safe=active");
+        
+        var result = await System.Text.Json.JsonSerializer.DeserializeAsync<GoogleImageResult>(stream);
+
+        return result;
+    }
+
+    public override async ITask<GoogleCustomSearchResult?> SearchAsync(string query)
+    {
+        ArgumentNullException.ThrowIfNull(query);
+
+        var creds = _creds.GetCreds();
+        var key = creds.Google.SearchId;
+        var cx = string.IsNullOrWhiteSpace(key)
+            ? "c7f1dac95987d4571"
+            : key;
+        
+        using var http = _httpFactory.CreateClient("google:search");
+        http.DefaultRequestHeaders.Add("Accept-Encoding", "gzip");
+        await using var stream = await http.GetStreamAsync(
+            $"https://customsearch.googleapis.com/customsearch/v1"
+            + $"?cx={cx}"
+            + $"&q={Uri.EscapeDataString(query)}"
+            + $"&fields=items(title%2Clink%2CdisplayLink%2Csnippet)%2CsearchInformation"
+            + $"&key={creds.GoogleApiKey}"
+            + $"&safe=active");
+        
+        var result = await System.Text.Json.JsonSerializer.DeserializeAsync<GoogleCustomSearchResult>(stream);
+
+        return result;
+    }
+}

src/NadekoBot/Modules/Searches/Search/Google/OfficialGoogleSearchResultEntry.cs

@@ -0,0 +1,19 @@
+using NadekoBot.Modules.Searches;
+using System.Text.Json.Serialization;
+
+namespace NadekoBot.Services;
+
+public sealed class OfficialGoogleSearchResultEntry : ISearchResultEntry
+{
+    [JsonPropertyName("title")]
+    public string Title { get; init; } = null!;
+
+    [JsonPropertyName("link")]
+    public string Url { get; init; } = null!;
+
+    [JsonPropertyName("displayLink")]
+    public string DisplayUrl { get; init; } = null!;
+
+    [JsonPropertyName("snippet")]
+    public string Description { get; init; } = null!;
+}