mirror of https://github.com/Jackett/Jackett
215 lines
8.2 KiB
C#
215 lines
8.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Jackett.Common.Models
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{
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public class TorznabCapabilitiesCategories
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{
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private readonly List<CategoryMapping> _categoryMapping = new List<CategoryMapping>();
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private readonly List<TorznabCategory> _torznabCategoryTree = new List<TorznabCategory>();
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public List<string> GetTrackerCategories() => _categoryMapping.Select(x => x.TrackerCategory).ToList();
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public List<TorznabCategory> GetTorznabCategoryTree(bool sorted = false)
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{
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if (!sorted)
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return _torznabCategoryTree;
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// we build a new tree, original is unsorted
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// first torznab categories ordered by id and then custom cats ordered by name
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var sortedTree = _torznabCategoryTree
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.Select(c =>
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{
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var sortedSubCats = c.SubCategories.OrderBy(x => x.ID);
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var newCat = new TorznabCategory(c.ID, c.Name);
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newCat.SubCategories.AddRange(sortedSubCats);
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return newCat;
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}).OrderBy(x => x.ID > 100000 ? "zzz" + x.Name : x.ID.ToString()).ToList();
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return sortedTree;
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}
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public List<TorznabCategory> GetTorznabCategoryList(bool sorted = false)
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{
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var tree = GetTorznabCategoryTree(sorted);
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// create a flat list (without subcategories)
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var newFlatList = new List<TorznabCategory>();
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foreach (var cat in tree)
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{
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newFlatList.Add(cat.CopyWithoutSubCategories());
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newFlatList.AddRange(cat.SubCategories);
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}
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return newFlatList;
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}
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public void AddCategoryMapping(string trackerCategory, TorznabCategory torznabCategory, string trackerCategoryDesc = null)
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{
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// add torznab cat
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_categoryMapping.Add(new CategoryMapping(trackerCategory, trackerCategoryDesc, torznabCategory.ID));
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AddTorznabCategoryTree(torznabCategory);
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// TODO: fix this. it's only working for integer "trackerCategory"
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// create custom cats (1:1 categories)
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if (trackerCategoryDesc != null && trackerCategory != null)
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{
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//TODO convert to int.TryParse() to avoid using throw as flow control
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try
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{
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var trackerCategoryInt = int.Parse(trackerCategory);
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var customCat = new TorznabCategory(trackerCategoryInt + 100000, trackerCategoryDesc);
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AddTorznabCategoryTree(customCat);
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}
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catch (FormatException)
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{
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// trackerCategory is not an integer, continue
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}
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}
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}
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public List<string> MapTorznabCapsToTrackers(TorznabQuery query, bool mapChildrenCatsToParent = false)
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{
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var result = new List<string>();
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foreach (var cat in query.Categories)
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{
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// use 1:1 mapping to tracker categories for newznab categories >= 100000
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if (cat >= 100000)
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{
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result.Add((cat - 100000).ToString());
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continue;
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}
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var queryCats = new List<int> { cat };
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var newznabCat = TorznabCatType.AllCats.FirstOrDefault(c => c.ID == cat);
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if (newznabCat != null)
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{
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queryCats.AddRange(newznabCat.SubCategories.Select(c => c.ID));
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}
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if (mapChildrenCatsToParent)
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{
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var parentNewznabCat = TorznabCatType.AllCats.FirstOrDefault(c => c.SubCategories.Contains(newznabCat));
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if (parentNewznabCat != null)
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{
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queryCats.Add(parentNewznabCat.ID);
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}
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}
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foreach (var mapping in _categoryMapping.Where(c => queryCats.Contains(c.NewzNabCategory)))
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{
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result.Add(mapping.TrackerCategory);
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}
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}
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return result.Distinct().ToList();
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}
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public ICollection<int> MapTrackerCatToNewznab(string input)
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{
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if (input == null)
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return new List<int>();
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var cats = _categoryMapping
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.Where(m => m.TrackerCategory != null && m.TrackerCategory.ToLowerInvariant() == input.ToLowerInvariant())
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.Select(c => c.NewzNabCategory).ToList();
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// 1:1 category mapping
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try
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{
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var trackerCategoryInt = int.Parse(input);
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cats.Add(trackerCategoryInt + 100000);
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}
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catch (FormatException)
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{
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// input is not an integer, continue
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}
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return cats;
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}
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public ICollection<int> MapTrackerCatDescToNewznab(string input)
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{
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var cats = new List<int>();
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if (null != input)
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{
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var mapping = _categoryMapping
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.FirstOrDefault(m => m.TrackerCategoryDesc != null && m.TrackerCategoryDesc.ToLowerInvariant() == input.ToLowerInvariant());
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if (mapping != null)
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{
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cats.Add(mapping.NewzNabCategory);
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if (mapping.TrackerCategory != null)
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{
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// 1:1 category mapping
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try
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{
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var trackerCategoryInt = int.Parse(mapping.TrackerCategory);
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cats.Add(trackerCategoryInt + 100000);
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}
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catch (FormatException)
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{
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// mapping.TrackerCategory is not an integer, continue
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}
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}
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}
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}
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return cats;
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}
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public bool SupportsCategories(int[] categories)
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{
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if (categories == null)
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return false;
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var subCategories = _torznabCategoryTree.SelectMany(c => c.SubCategories);
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var allCategories = _torznabCategoryTree.Concat(subCategories);
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var supportsCategory = allCategories.Any(i => categories.Any(c => c == i.ID));
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return supportsCategory;
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}
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public void Concat(TorznabCapabilitiesCategories rhs)
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{
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// exclude indexer specific categories (>= 100000)
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// we don't concat _categoryMapping because it makes no sense for the aggregate indexer
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rhs.GetTorznabCategoryList().Where(x => x.ID < 100000).ToList().ForEach(AddTorznabCategoryTree);
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}
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private void AddTorznabCategoryTree(TorznabCategory torznabCategory)
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{
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// build the category tree
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if (TorznabCatType.ParentCats.Contains(torznabCategory))
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{
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// parent cat
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if (!_torznabCategoryTree.Contains(torznabCategory))
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_torznabCategoryTree.Add(torznabCategory.CopyWithoutSubCategories());
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}
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else
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{
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// child or custom cat
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var parentCat = TorznabCatType.ParentCats.FirstOrDefault(c => c.Contains(torznabCategory));
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if (parentCat != null)
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{
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// child cat
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var nodeCat = _torznabCategoryTree.FirstOrDefault(c => c.Equals(parentCat));
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if (nodeCat != null)
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{
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// parent cat already exists
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if (!nodeCat.Contains(torznabCategory))
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nodeCat.SubCategories.Add(torznabCategory);
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}
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else
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{
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// create parent cat and add child
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nodeCat = parentCat.CopyWithoutSubCategories();
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nodeCat.SubCategories.Add(torznabCategory);
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_torznabCategoryTree.Add(nodeCat);
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}
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}
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else
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// custom cat
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_torznabCategoryTree.Add(torznabCategory);
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}
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}
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}
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}
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