121 lines
2.8 KiB
C#
121 lines
2.8 KiB
C#
namespace ASC.Core;
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public class UserGroupRefDictionary : IDictionary<string, UserGroupRef>
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{
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private readonly IDictionary<string, UserGroupRef> _dict = new Dictionary<string, UserGroupRef>();
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private IDictionary<Guid, IEnumerable<UserGroupRef>> _byUsers;
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private IDictionary<Guid, IEnumerable<UserGroupRef>> _byGroups;
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public int Count => _dict.Count;
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public bool IsReadOnly => _dict.IsReadOnly;
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public ICollection<string> Keys => _dict.Keys;
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public ICollection<UserGroupRef> Values => _dict.Values;
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public UserGroupRef this[string key]
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{
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get => _dict[key];
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set
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{
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_dict[key] = value;
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BuildIndexes();
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}
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}
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public UserGroupRefDictionary(IDictionary<string, UserGroupRef> dic)
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{
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foreach (var p in dic)
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{
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_dict.Add(p);
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}
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BuildIndexes();
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}
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public void Add(string key, UserGroupRef value)
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{
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_dict.Add(key, value);
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BuildIndexes();
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}
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public void Add(KeyValuePair<string, UserGroupRef> item)
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{
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_dict.Add(item);
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BuildIndexes();
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}
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public bool Remove(string key)
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{
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var result = _dict.Remove(key);
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BuildIndexes();
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return result;
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}
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public bool Remove(KeyValuePair<string, UserGroupRef> item)
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{
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var result = _dict.Remove(item);
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BuildIndexes();
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return result;
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}
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public void Clear()
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{
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_dict.Clear();
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BuildIndexes();
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}
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public bool TryGetValue(string key, out UserGroupRef value)
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{
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return _dict.TryGetValue(key, out value);
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}
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public bool ContainsKey(string key)
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{
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return _dict.ContainsKey(key);
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}
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public bool Contains(KeyValuePair<string, UserGroupRef> item)
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{
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return _dict.Contains(item);
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}
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public void CopyTo(KeyValuePair<string, UserGroupRef>[] array, int arrayIndex)
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{
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_dict.CopyTo(array, arrayIndex);
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}
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public IEnumerator<KeyValuePair<string, UserGroupRef>> GetEnumerator()
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{
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return _dict.GetEnumerator();
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return ((IEnumerable)_dict).GetEnumerator();
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}
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public IEnumerable<UserGroupRef> GetByUser(Guid userId)
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{
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return _byUsers.ContainsKey(userId) ? _byUsers[userId].ToList() : new List<UserGroupRef>();
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}
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public IEnumerable<UserGroupRef> GetByGroups(Guid groupId)
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{
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return _byGroups.ContainsKey(groupId) ? _byGroups[groupId].ToList() : new List<UserGroupRef>();
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}
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private void BuildIndexes()
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{
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_byUsers = _dict.Values.GroupBy(r => r.UserId).ToDictionary(g => g.Key, g => g.AsEnumerable());
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_byGroups = _dict.Values.GroupBy(r => r.GroupId).ToDictionary(g => g.Key, g => g.AsEnumerable());
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}
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}
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