public static Task <string> ResolveAsync(this IConnectionStringResolver resolver, Type type)
{
var attribute = type.GetTypeInfo().GetCustomAttribute <ConnectionStringNameAttribute>();
if (attribute != null)
{
return(resolver.ResolveAsync(attribute.Name));
}
return(resolver.ResolveAsync(type.FullName));
}
private async Task <string> ResolveConnectionStringAsync(string connectionStringName)
{
// Multi-tenancy unaware contexts should always use the host connection string
if (typeof(TDbContext).IsDefined(typeof(IgnoreMultiTenancyAttribute), false))
{
using (_currentTenant.Change(null))
{
return(await _connectionStringResolver.ResolveAsync(connectionStringName));
}
}
return(await _connectionStringResolver.ResolveAsync(connectionStringName));
}
public async Task <TDbContext> GetDbContextAsync()
{
var unitOfWork = _unitOfWorkManager.Current;
if (unitOfWork == null)
{
throw new AbpException("A DbContext can only be created inside a unit of work!");
}
var connectionStringName = ConnectionStringNameAttribute.GetConnStringName <TDbContext>();
var connectionString = await _connectionStringResolver.ResolveAsync(connectionStringName);
var dbContextKey = $"{typeof(TDbContext).FullName}_{connectionString}";
var databaseApi = unitOfWork.FindDatabaseApi(dbContextKey);
if (databaseApi == null)
{
databaseApi = new EfCoreDatabaseApi <TDbContext>(
await CreateDbContextAsync(unitOfWork, connectionStringName, connectionString)
);
unitOfWork.AddDatabaseApi(dbContextKey, databaseApi);
}
return(((EfCoreDatabaseApi <TDbContext>)databaseApi).DbContext);
}
public async Task <IMemoryDatabase> GetDatabaseAsync()
{
var unitOfWork = _unitOfWorkManager.Current;
if (unitOfWork == null)
{
throw new AbpException($"A {nameof(IMemoryDatabase)} instance can only be created inside a unit of work!");
}
var connectionString = await _connectionStringResolver.ResolveAsync <TMemoryDbContext>();
var dbContextKey = $"{typeof(TMemoryDbContext).FullName}_{connectionString}";
var databaseApi = unitOfWork.GetOrAddDatabaseApi(
dbContextKey,
() => new MemoryDbDatabaseApi(
_memoryDatabaseManager.Get(connectionString)
));
return(((MemoryDbDatabaseApi)databaseApi).Database);
}
public async Task <TMongoDbContext> GetDbContextAsync(CancellationToken cancellationToken = default)
{
var unitOfWork = _unitOfWorkManager.Current;
if (unitOfWork == null)
{
throw new AbpException(
$"A {nameof(IMongoDatabase)} instance can only be created inside a unit of work!");
}
var connectionString = await _connectionStringResolver.ResolveAsync <TMongoDbContext>();
var dbContextKey = $"{typeof(TMongoDbContext).FullName}_{connectionString}";
var mongoUrl = new MongoUrl(connectionString);
var databaseName = mongoUrl.DatabaseName;
if (databaseName.IsNullOrWhiteSpace())
{
databaseName = ConnectionStringNameAttribute.GetConnStringName <TMongoDbContext>();
}
//TODO: Create only single MongoDbClient per connection string in an application (extract MongoClientCache for example).
var databaseApi = unitOfWork.FindDatabaseApi(dbContextKey);
if (databaseApi == null)
{
databaseApi = new MongoDbDatabaseApi <TMongoDbContext>(
await CreateDbContextAsync(
unitOfWork,
mongoUrl,
databaseName,
cancellationToken
)
);
unitOfWork.AddDatabaseApi(dbContextKey, databaseApi);
}
return(((MongoDbDatabaseApi <TMongoDbContext>)databaseApi).DbContext);
}
public async Task All_Tests()
{
//No tenant in current context
(await _connectionResolver.ResolveAsync()).ShouldBe("default-value");
(await _connectionResolver.ResolveAsync("db1")).ShouldBe("db1-default-value");
//Overriden connection strings for tenant1
using (_currentTenant.Change(_tenant1Id))
{
(await _connectionResolver.ResolveAsync()).ShouldBe("tenant1-default-value");
(await _connectionResolver.ResolveAsync("db1")).ShouldBe("tenant1-db1-value");
}
//No tenant in current context
(await _connectionResolver.ResolveAsync()).ShouldBe("default-value");
(await _connectionResolver.ResolveAsync("db1")).ShouldBe("db1-default-value");
//Undefined connection strings for tenant2
using (_currentTenant.Change(_tenant2Id))
{
(await _connectionResolver.ResolveAsync()).ShouldBe("default-value");
(await _connectionResolver.ResolveAsync("db1")).ShouldBe("db1-default-value");
}
}
public static Task <string> ResolveAsync <T>(this IConnectionStringResolver resolver)
{
var type = typeof(T);
return(resolver.ResolveAsync(type));
}
public static Task <string> ResolveAsync <T>(this IConnectionStringResolver resolver)
{
return(resolver.ResolveAsync(ConnectionStringNameAttribute.GetConnStringName <T>()));
}
public static Task <string> ResolveAsync(this IConnectionStringResolver resolver, Type type)
{
return(resolver.ResolveAsync(ConnectionStringNameAttribute.GetConnStringName(type)));
}
