From 466f358efb99a36eb510c8c53857e3410eb1a981 Mon Sep 17 00:00:00 2001
From: Bogdan <mynameisbogdan@users.noreply.github.com>
Date: Sun, 18 Jun 2023 15:48:28 +0300
Subject: [PATCH] New: (Cardigann) Add multi-select type for settings

---
 .../Definitions/Cardigann/CardigannBase.cs    | 17 ++++++++++
 .../Indexers/IndexerResource.cs               | 31 +++++++++++++++++--
 2 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs
index d61f413d707..46ffe68b4fe 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs
@@ -336,6 +336,23 @@ protected string HandleJsonSelector(SelectorBlock selector, JToken parentObj, Di
 
                         variables[name] = selected.Key;
                         break;
+                    case "multi-select":
+                        if (indexerLogging)
+                        {
+                            _logger.Trace($"Setting options: {setting.Options.ToJson()}");
+                        }
+
+                        var sortedMulti = setting.Options.OrderBy(x => x.Key).ToList();
+                        var values = (long[])value;
+                        var selectedMulti = sortedMulti.Where((x, i) => values.Contains(i)).ToArray();
+
+                        if (indexerLogging)
+                        {
+                            _logger.Debug($"Selected option: {selectedMulti.ToJson()}");
+                        }
+
+                        variables[name] = selectedMulti.Select(x => x.Key).ToArray();
+                        break;
                     case "info":
                         variables[name] = value;
                         break;
diff --git a/src/Prowlarr.Api.V1/Indexers/IndexerResource.cs b/src/Prowlarr.Api.V1/Indexers/IndexerResource.cs
index 832d7f21919..e39a562b717 100644
--- a/src/Prowlarr.Api.V1/Indexers/IndexerResource.cs
+++ b/src/Prowlarr.Api.V1/Indexers/IndexerResource.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text.Json;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Annotations;
 using NzbDrone.Core.Indexers;
@@ -155,6 +156,14 @@ private object MapValue(SettingsField setting, object value)
             return setting.Type switch
             {
                 "select" => value.ToString().ParseInt64() ?? 0,
+                "multi-select" => value switch
+                {
+                    JsonElement { ValueKind: JsonValueKind.Array } values
+                        => values.EnumerateArray().Select(e => e.ToString().ParseInt64() ?? 0).ToArray(),
+                    JsonElement { ValueKind: JsonValueKind.Number or JsonValueKind.String } singleValue
+                        => new[] { singleValue.ToString().ParseInt64() ?? 0 },
+                    _ => Array.Empty<long>()
+                },
                 "checkbox" => bool.TryParse(value.ToString(), out var result) && result,
                 _ => value?.ToString() ?? string.Empty
             };
@@ -167,7 +176,12 @@ private Field MapField(SettingsField setting, int order)
                 Name = setting.Name,
                 Label = setting.Label,
                 Order = order,
-                Type = setting.Type == "text" ? "textbox" : setting.Type
+                Type = setting.Type switch
+                {
+                    "text" => "textbox",
+                    "multi-select" => "tagSelect",
+                    _ => setting.Type
+                }
             };
 
             if (setting.Type == "select")
@@ -176,11 +190,24 @@ private Field MapField(SettingsField setting, int order)
                 field.SelectOptions = sorted.Select((x, i) => new SelectOption
                 {
                     Value = i,
-                    Name = x.Value
+                    Name = x.Value,
+                    Order = i
                 }).ToList();
 
                 field.Value = sorted.Select(x => x.Key).ToList().IndexOf(setting.Default);
             }
+            else if (setting.Type == "multi-select")
+            {
+                var sorted = setting.Options.OrderBy(x => x.Key).ToList();
+                field.SelectOptions = sorted.Select((x, i) => new SelectOption
+                {
+                    Value = i,
+                    Name = x.Value,
+                    Order = i
+                }).ToList();
+
+                field.Value = setting.Defaults.Select(d => sorted.Select(x => x.Key).ToList().IndexOf(d)).ToArray();
+            }
             else if (setting.Type == "checkbox")
             {
                 field.Value = bool.TryParse(setting.Default, out var value) && value;