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SettingProvider.cs
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SettingProvider.cs
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using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Volo.Abp.DependencyInjection;
namespace Volo.Abp.Settings;
public class SettingProvider : ISettingProvider, ITransientDependency
{
protected ISettingDefinitionManager SettingDefinitionManager { get; }
protected ISettingEncryptionService SettingEncryptionService { get; }
protected ISettingValueProviderManager SettingValueProviderManager { get; }
public SettingProvider(
ISettingDefinitionManager settingDefinitionManager,
ISettingEncryptionService settingEncryptionService,
ISettingValueProviderManager settingValueProviderManager)
{
SettingDefinitionManager = settingDefinitionManager;
SettingEncryptionService = settingEncryptionService;
SettingValueProviderManager = settingValueProviderManager;
}
public virtual async Task<string?> GetOrNullAsync(string name)
{
var setting = await SettingDefinitionManager.GetAsync(name);
var providers = Enumerable
.Reverse(SettingValueProviderManager.Providers);
if (setting.Providers.Any())
{
providers = providers.Where(p => setting.Providers.Contains(p.Name));
}
//TODO: How to implement setting.IsInherited?
var value = await GetOrNullValueFromProvidersAsync(providers, setting);
if (value != null && setting.IsEncrypted)
{
value = SettingEncryptionService.Decrypt(setting, value);
}
return value;
}
public virtual async Task<List<SettingValue>> GetAllAsync(string[] names)
{
var result = new Dictionary<string, SettingValue>();
var settingDefinitions = (await SettingDefinitionManager.GetAllAsync()).Where(x => names.Contains(x.Name)).ToList();
foreach (var definition in settingDefinitions)
{
result.Add(definition.Name, new SettingValue(definition.Name, null));
}
foreach (var provider in Enumerable.Reverse(SettingValueProviderManager.Providers))
{
var settingValues = await provider.GetAllAsync(settingDefinitions.Where(x => !x.Providers.Any() || x.Providers.Contains(provider.Name)).ToArray());
var notNullValues = settingValues.Where(x => x.Value != null).ToList();
foreach (var settingValue in notNullValues)
{
var settingDefinition = settingDefinitions.First(x => x.Name == settingValue.Name);
if (settingDefinition.IsEncrypted)
{
settingValue.Value = SettingEncryptionService.Decrypt(settingDefinition, settingValue.Value);
}
if (result.ContainsKey(settingValue.Name) && result[settingValue.Name].Value == null)
{
result[settingValue.Name].Value = settingValue.Value;
}
}
settingDefinitions.RemoveAll(x => notNullValues.Any(v => v.Name == x.Name));
if (!settingDefinitions.Any())
{
break;
}
}
return result.Values.ToList();
}
public virtual async Task<List<SettingValue>> GetAllAsync()
{
var settingValues = new List<SettingValue>();
var settingDefinitions = await SettingDefinitionManager.GetAllAsync();
foreach (var setting in settingDefinitions)
{
settingValues.Add(new SettingValue(setting.Name, await GetOrNullAsync(setting.Name)));
}
return settingValues;
}
protected virtual async Task<string?> GetOrNullValueFromProvidersAsync(
IEnumerable<ISettingValueProvider> providers,
SettingDefinition setting)
{
foreach (var provider in providers)
{
var value = await provider.GetOrNullAsync(setting);
if (value != null)
{
return value;
}
}
return null;
}
}