14 changed files with 313 additions and 32 deletions
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using System; |
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using System.Collections.Generic; |
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using System.Threading.Tasks; |
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using Microsoft.Extensions.DependencyInjection; |
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using Microsoft.Extensions.Options; |
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using Volo.Abp; |
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using Volo.Abp.Data; |
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using Volo.Abp.DependencyInjection; |
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using Volo.Abp.MultiTenancy; |
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namespace Win_in.Sfs.Scp.WebApi; |
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public class AAA:DefaultConnectionStringResolver |
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{ |
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public AAA(IOptionsSnapshot<AbpDbConnectionOptions> options) : base(options) |
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{ |
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} |
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public override Task<string> ResolveAsync(string connectionStringName = null) |
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{ |
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return base.ResolveAsync(connectionStringName); |
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} |
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} |
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[Dependency(ReplaceServices = true)] |
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public class MultiTenantConnectionStringResolver : DefaultConnectionStringResolver |
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{ |
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private readonly ICurrentTenant _currentTenant; |
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private readonly IServiceProvider _serviceProvider; |
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public MultiTenantConnectionStringResolver( |
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IOptionsSnapshot<AbpDbConnectionOptions> options, |
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ICurrentTenant currentTenant, |
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IServiceProvider serviceProvider) |
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: base(options) |
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{ |
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_currentTenant = currentTenant; |
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_serviceProvider = serviceProvider; |
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} |
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public override async Task<string> ResolveAsync(string connectionStringName = null) |
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{ |
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if (_currentTenant.Id == null) |
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{ |
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//No current tenant, fallback to default logic
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return await base.ResolveAsync(connectionStringName); |
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} |
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var tenant = await FindTenantConfigurationAsync(_currentTenant.Id.Value); |
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if (tenant == null || tenant.ConnectionStrings.IsNullOrEmpty()) |
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{ |
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//Tenant has not defined any connection string, fallback to default logic
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return await base.ResolveAsync(connectionStringName); |
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} |
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var tenantDefaultConnectionString = tenant.ConnectionStrings.Default; |
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//Requesting default connection string...
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if (connectionStringName == null || |
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connectionStringName == ConnectionStrings.DefaultConnectionStringName) |
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{ |
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//Return tenant's default or global default
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return !tenantDefaultConnectionString.IsNullOrWhiteSpace() |
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? tenantDefaultConnectionString |
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: Options.ConnectionStrings.Default; |
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} |
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//Requesting specific connection string...
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var connString = tenant.ConnectionStrings.GetOrDefault(connectionStringName); |
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if (!connString.IsNullOrWhiteSpace()) |
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{ |
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//Found for the tenant
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return connString; |
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} |
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//Fallback to the mapped database for the specific connection string
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var database = Options.Databases.GetMappedDatabaseOrNull(connectionStringName); |
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if (database != null && database.IsUsedByTenants) |
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{ |
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connString = tenant.ConnectionStrings.GetOrDefault(database.DatabaseName); |
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if (!connString.IsNullOrWhiteSpace()) |
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{ |
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//Found for the tenant
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return connString; |
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} |
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} |
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//Fallback to tenant's default connection string if available
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if (!tenantDefaultConnectionString.IsNullOrWhiteSpace()) |
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{ |
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return tenantDefaultConnectionString; |
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} |
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return await base.ResolveAsync(connectionStringName); |
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} |
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[Obsolete("Use ResolveAsync method.")] |
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public override string Resolve(string connectionStringName = null) |
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{ |
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if (_currentTenant.Id == null) |
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{ |
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//No current tenant, fallback to default logic
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return base.Resolve(connectionStringName); |
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} |
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var tenant = FindTenantConfiguration(_currentTenant.Id.Value); |
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if (tenant == null || tenant.ConnectionStrings.IsNullOrEmpty()) |
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{ |
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//Tenant has not defined any connection string, fallback to default logic
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return base.Resolve(connectionStringName); |
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} |
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var tenantDefaultConnectionString = tenant.ConnectionStrings.Default; |
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//Requesting default connection string...
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if (connectionStringName == null || |
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connectionStringName == ConnectionStrings.DefaultConnectionStringName) |
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{ |
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//Return tenant's default or global default
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return !tenantDefaultConnectionString.IsNullOrWhiteSpace() |
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? tenantDefaultConnectionString |
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: Options.ConnectionStrings.Default; |
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} |
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//Requesting specific connection string...
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var connString = tenant.ConnectionStrings.GetOrDefault(connectionStringName); |
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if (!connString.IsNullOrWhiteSpace()) |
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{ |
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//Found for the tenant
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return connString; |
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} |
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//Fallback to tenant's default connection string if available
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if (!tenantDefaultConnectionString.IsNullOrWhiteSpace()) |
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{ |
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return tenantDefaultConnectionString; |
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} |
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//Try to find the specific connection string for given name
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var connStringInOptions = Options.ConnectionStrings.GetOrDefault(connectionStringName); |
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if (!connStringInOptions.IsNullOrWhiteSpace()) |
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{ |
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return connStringInOptions; |
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} |
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//Fallback to the global default connection string
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var defaultConnectionString = Options.ConnectionStrings.Default; |
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if (!defaultConnectionString.IsNullOrWhiteSpace()) |
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{ |
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return defaultConnectionString; |
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} |
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throw new AbpException("No connection string defined!"); |
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} |
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protected virtual async Task<TenantConfiguration> FindTenantConfigurationAsync(Guid tenantId) |
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{ |
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using (var serviceScope = _serviceProvider.CreateScope()) |
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{ |
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var tenantStore = serviceScope |
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.ServiceProvider |
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.GetRequiredService<ITenantStore>(); |
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return await tenantStore.FindAsync(tenantId); |
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} |
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} |
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[Obsolete("Use FindTenantConfigurationAsync method.")] |
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protected virtual TenantConfiguration FindTenantConfiguration(Guid tenantId) |
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{ |
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using (var serviceScope = _serviceProvider.CreateScope()) |
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{ |
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var tenantStore = serviceScope |
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.ServiceProvider |
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.GetRequiredService<ITenantStore>(); |
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return tenantStore.Find(tenantId); |
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} |
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} |
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} |
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