public DocumentDbRepository(string slot, IOptionsMonitor <DocumentDbOptions> options,
ISafeLogger <DocumentDbRepository <T> > logger)
{
_reads = ReadAccessor.Create(typeof(T));
_writes = WriteAccessor.Create(typeof(T));
_slot = slot;
_options = options;
_logger = logger;
var defaultSettings = new JsonSerializerSettings();
var documentDbOptions = options.Get(_slot);
_client = new DocumentClient(EndpointUri, documentDbOptions.AccountKey, defaultSettings);
_client2 = new CosmosClient(EndpointUri.ToString(), documentDbOptions.AccountKey,
new CosmosClientOptions
{
AllowBulkExecution = true,
ConnectionMode = ConnectionMode.Gateway,
MaxRetryAttemptsOnRateLimitedRequests = 100
});
CreateDatabaseIfNotExistsAsync().Wait();
CreateCollectionIfNotExistsAsync().Wait();
}
public JsonNextLinkConverter()
{
var collectionType = typeof(T);
_reader = ReadAccessor.Create(collectionType, AccessorMemberTypes.Properties, AccessorMemberScope.Public, out _members);
_writer = WriteAccessor.Create(collectionType, AccessorMemberTypes.Properties, AccessorMemberScope.Public);
}
public JsonMergePatch(Type type)
{
_reads = ReadAccessor.Create(type, AccessorMemberTypes.Properties, AccessorMemberScope.Public, out _members);
_writes = WriteAccessor.Create(type);
_data = Activator.CreateInstance <T>();
_changed = new HashSet <string>();
}
/// <summary>
/// Provides an <see cref="IdentityResult" /> in a failed state, with errors.
/// This prevents an allocation by forcing the error collection to an array.
/// </summary>
/// <param name="errors"></param>
/// <returns></returns>
public static IdentityResult Failed(ICollection <IdentityError> errors)
{
var read = ReadAccessor.Create(typeof(IdentityResult));
var write = WriteAccessor.Create(typeof(IdentityResult));
var result = new IdentityResult();
var list = read[result, "_errors"] as List <IdentityError>;
list?.AddRange(errors);
write[result, "Succeeded"] = false;
return(result);
}
public void Fill <T>(T instance)
{
var writer = WriteAccessor.Create(instance, AccessorMemberScope.Public, out var members);
foreach (var member in members)
{
if (!IsNumber(member))
{
continue;
}
var value = _random.Next(int.MaxValue);
writer.TrySetValue(instance, member.Name, value);
}
}
public bool TryUpdate(T previous, T next, out bool error, CancellationToken cancellationToken)
{
var accessor = WriteAccessor.Create(next, AccessorMemberTypes.Properties, AccessorMemberScope.Public, out var members);
if (members == null || !members.TryGetValue(nameof(IResource.Id), out var idMember) || idMember.Type != typeof(Guid))
{
throw new NotSupportedException(_localizer.GetString("Currently, the data store only accepts entries that have a Guid 'Id' property"));
}
if (!accessor.TrySetValue(next, nameof(IResource.Id), previous.Id))
{
throw new NotSupportedException(_localizer.GetString("Could not set the resource's Guid 'Id' property"));
}
return(TryAdd(next, out error, cancellationToken));
}
public static object ToAnonymousObject(IDictionary <string, object> hash)
{
var anonymousType = TypeFactory.BuildAnonymousType(hash);
var instance = Instancing.CreateInstance(anonymousType);
var accessor = WriteAccessor.Create(anonymousType, AccessorMemberTypes.Properties,
AccessorMemberScope.Public, out var members);
foreach (var member in members)
{
if (!member.CanWrite)
{
continue; // should be accessible by design
}
if (!hash.TryGetValue(member.Name, out var value))
{
continue; // should be mapped one-to-one
}
accessor.TrySetValue(instance, member.Name, value);
}
return(instance);
}
public IActionResult Create([FromBody] T model, CancellationToken cancellationToken)
{
if (!TryValidateModel(model))
{
return(BadRequest(ModelState));
}
var uninitialized = model.Id.Equals(Guid.Empty);
if (uninitialized)
{
if (_options.Value.Resources.RequireExplicitIds)
{
return(BadRequestWithDetails("The resource's ID was uninitialized."));
}
else
{
var accessor = WriteAccessor.Create(model, AccessorMemberTypes.Properties, AccessorMemberScope.Public);
if (!accessor.TrySetValue(model, nameof(IResource.Id), Guid.NewGuid()))
{
return(BadRequestWithDetails("The resource's ID was uninitialized, and the resource does not permit setting it."));
}
}
}
// Save a database call if the server set the ID
if (!uninitialized && _service.TryGetById(model.Id, out var other, out _, null, false, cancellationToken))
{
if (other != null)
{
// FIXME: replace with a ValueHash
var equivalent = true;
var reads = ReadAccessor.Create(typeof(T), AccessorMemberTypes.Properties, AccessorMemberScope.Public, out var members);
foreach (var member in members)
{
if (!member.CanRead)
{
continue;
}
if (!reads.TryGetValue(model, member.Name, out var left) ||
!reads.TryGetValue(other, member.Name, out var right) || !left.Equals(right))
{
equivalent = false;
break;
}
}
if (equivalent)
{
// See: https://tools.ietf.org/html/rfc7231#section-4.3.3
//
// If the result of processing a POST would be equivalent to a
// representation of an existing resource, an origin server MAY redirect
// the user agent to that resource by sending a 303 (See Other) response
// with the existing resource's identifier in the Location field. This
// has the benefits of providing the user agent a resource identifier
// and transferring the representation via a method more amenable to
// shared caching, though at the cost of an extra request if the user
// agent does not already have the representation cached.
//
Response.Headers.TryAdd(HeaderNames.Location, $"{Request.Path}/{model.Id}");
return(SeeOtherWithDetails("This resource already exists. Did you mean to update it?"));
}
}
Response.Headers.TryAdd(HeaderNames.Location, $"{Request.Path}/{model.Id}");
return(BadRequestWithDetails("This resource already exists. Did you mean to update it?"));
}
if (!BeforeSave(model, out var error))
{
return(error ?? InternalServerErrorWithDetails("Internal error on BeforeSave"));
}
//
// FIXME: The corner-case where we're creating but also have a pre-condition which should block this create operation.
// It is unlikely to occur in real life, but technically we should know what the ETag is before we attempt this,
// but the LastModifiedDate would always be 'now' since we're not expecting anything to exist.
if (!_service.TryAdd(model, out _, cancellationToken))
{
Logger.LogError(ErrorEvents.ErrorSavingResource, _localizer.GetString("Adding resource {Model} failed to save to the underlying data store."), model);
return(InternalServerErrorWithDetails("An unexpected error occurred saving this resource. An error was logged. Please try again later."));
}
_resourceEvents.Created(model);
return(Created($"{Request.Path}/{model.Id}", model));
}
protected SimpleDataDescriptor(Type type)
{
Types = new[] { type };
ResolveTableInfo(this, type);
All = new List <PropertyToColumn>();
Keys = new List <PropertyToColumn>();
Inserted = new List <PropertyToColumn>();
Updated = new List <PropertyToColumn>();
Computed = new List <PropertyToColumn>();
var reads = ReadAccessor.Create(type);
var writes = WriteAccessor.Create(type);
var descriptors = TypeDescriptor.GetProperties(type).Cast <PropertyDescriptor>();
var accessors = descriptors
.Select(property => new PropertyAccessor(reads, writes, property.Name))
.ToList();
foreach (var property in accessors)
{
if (Exists(property) || property.HasAttribute <NotMappedAttribute>())
{
continue;
}
var column = new PropertyToColumn(property);
All.Add(column);
if (property.HasAttribute <KeyAttribute>())
{
column.IsKey = true;
Keys.Add(column);
}
if (property.HasAttribute <OneToManyAttribute>())
{
column.IsComputed = true;
Computed.Add(column);
}
if (property.GetAttribute <DatabaseGeneratedAttribute>() is DatabaseGeneratedAttribute generated)
{
switch (generated.DatabaseGeneratedOption)
{
case DatabaseGeneratedOption.Computed:
{
column.IsComputed = true;
Computed.Add(column);
break;
}
case DatabaseGeneratedOption.Identity:
{
column.IsComputed = true;
column.IsIdentity = true;
Computed.Add(column);
break;
}
case DatabaseGeneratedOption.None:
{
Inserted.Add(column);
Updated.Add(column);
break;
}
default:
throw new ArgumentOutOfRangeException();
}
}
else
{
Inserted.Add(column);
Updated.Add(column);
}
}
if (Keys.Count == 0)
{
// try to add an exact match key
var defaultKey = All.FirstOrDefault(x => x.ColumnName.Equals("Id", StringComparison.OrdinalIgnoreCase));
if (defaultKey != null)
{
Keys.Add(defaultKey);
}
}
}
public JsonDeltaConverter()
{
_reader = ReadAccessor.Create(typeof(T), AccessorMemberTypes.Properties, AccessorMemberScope.Public, out _members);
_writer = WriteAccessor.Create(typeof(T), AccessorMemberTypes.Properties, AccessorMemberScope.Public);
}
public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
var writer = WriteAccessor.Create(typeToConvert, AccessorMemberTypes.Properties, AccessorMemberScope.Public, out var members);
if (reader.TokenType != JsonTokenType.StartObject)
{
throw new JsonException();
}
var data = Activator.CreateInstance <T>();
while (reader.Read())
{
if (reader.TokenType == JsonTokenType.EndObject)
{
return(data); // success: end of object
}
if (reader.TokenType != JsonTokenType.PropertyName)
{
throw new JsonException(); // fail: did not pass through previous property value
}
var key = reader.GetString();
if (string.IsNullOrWhiteSpace(key))
{
continue;
}
var propertyName = options.PropertyNamingPolicy?.ConvertName(key);
if (string.IsNullOrWhiteSpace(propertyName) || !members.TryGetValue(propertyName, out var member) ||
!member.CanWrite)
{
reader.Skip();
continue;
}
if (member.TryGetAttribute <ProtectedByPolicyAttribute>(out var attribute))
{
var user = _http.ResolveCurrentPrincipal();
if (!user.Claims.Any())
{
reader.Skip();
continue;
}
// resource is set to null here, because we don't want to deserialize the protected property unless we need to
var result = _authorization.AuthorizeAsync(user, null, attribute.PolicyName).ConfigureAwait(false).GetAwaiter().GetResult();
if (!result.Succeeded)
{
reader.Skip();
continue;
}
}
var value = JsonSerializer.Deserialize(ref reader, member.Type, options);
if (!writer.TrySetValue(data, member.Name, value !))
{
throw new JsonException();
}
}
// fail: passed through JsonTokenType.EndObject
throw new JsonException();
}
public void ReadEntity(IDictionary <string, EntityProperty> properties, OperationContext operationContext)
{
var accessor = WriteAccessor.Create(_entity, AccessorMemberTypes.Properties, AccessorMemberScope.Public,
out var members);
foreach (var member in members)
{
if (ShouldSkipProperty(member, operationContext))
{
continue;
}
if (!properties.ContainsKey(member.Name))
{
_logger.LogInformation(FormatLine(operationContext,
"Omitting property '{0}' from de-serialization because there is no corresponding entry in the dictionary provided.",
member.Name));
continue;
}
var property = properties[member.Name];
if (property.PropertyAsObject == default)
{
accessor[_entity, member.Name] = default;
}
else
{
switch (property.PropertyType)
{
case EdmType.String:
if (member.Type == typeof(double) || member.Type == typeof(double?))
{
accessor[_entity, member.Name] = property.DoubleValue;
}
else if (member.Type != typeof(string))
{
continue;
}
accessor[_entity, member.Name] = property.StringValue;
continue;
case EdmType.Binary:
if (member.Type == typeof(byte[]))
{
accessor[_entity, member.Name] = property.BinaryValue;
}
continue;
case EdmType.Boolean:
if (member.Type == typeof(bool) || member.Type == typeof(bool?))
{
accessor[_entity, member.Name] = property.BooleanValue;
}
continue;
case EdmType.DateTime:
if (member.Type == typeof(DateTime))
{
accessor[_entity, member.Name] =
property.DateTimeOffsetValue.GetValueOrDefault().UtcDateTime;
continue;
}
if (member.Type == typeof(DateTime?))
{
accessor[_entity, member.Name] = property.DateTimeOffsetValue?.UtcDateTime;
continue;
}
if (member.Type == typeof(DateTimeOffset))
{
accessor[_entity, member.Name] = property.DateTimeOffsetValue.GetValueOrDefault();
continue;
}
if (member.Type == typeof(DateTimeOffset?))
{
accessor[_entity, member.Name] = property.DateTimeOffsetValue;
}
continue;
case EdmType.Double:
if (member.Type == typeof(double) || member.Type == typeof(double?))
{
accessor[_entity, member.Name] = property.DoubleValue;
}
continue;
case EdmType.Guid:
if (member.Type == typeof(Guid) || member.Type == typeof(Guid?))
{
accessor[_entity, member.Name] = property.GuidValue;
}
continue;
case EdmType.Int32:
if (member.Type == typeof(int) || member.Type == typeof(int?))
{
accessor[_entity, member.Name] = property.Int32Value;
}
continue;
case EdmType.Int64:
if (member.Type == typeof(long) || member.Type == typeof(long?))
{
accessor[_entity, member.Name] = property.Int64Value;
}
continue;
default:
continue;
}
}
}
}
private static void BindNonScalar(this IConfiguration configuration, ref object instance, BinderOptions options,
IEnumerable <ICustomConfigurationBinder> customBinders)
{
if (instance == null)
{
return;
}
var scope = AccessorMemberScope.Public;
if (options.BindNonPublicProperties)
{
scope |= AccessorMemberScope.Private;
}
var type = instance.GetType();
var read = ReadAccessor.Create(type, AccessorMemberTypes.Properties, scope, out var members);
var write = WriteAccessor.Create(type, AccessorMemberTypes.Properties, scope);
if (IsTypeDiscriminated(type, out _))
{
// Set base properties so the converter has the right values to work with
SetMembers(configuration, instance, options, members, read, write, customBinders);
// Give a custom converter a chance to change what is bound
var converter = TypeDescriptor.GetConverter(type);
if (converter.CanConvertFrom(type))
{
instance = converter.ConvertFrom(instance);
if (instance != null)
{
type = instance.GetType();
read = ReadAccessor.Create(type, AccessorMemberTypes.Properties, scope, out members);
write = WriteAccessor.Create(type, AccessorMemberTypes.Properties, scope);
}
}
else
{
foreach (var binder in customBinders ?? Enumerable.Empty <ICustomConfigurationBinder>())
{
if (!binder.CanConvertFrom(type))
{
continue;
}
var subType = binder.GetTypeFor(instance);
if (subType == null)
{
continue;
}
type = subType;
instance = Instancing.CreateInstance(type);
read = ReadAccessor.Create(type, AccessorMemberTypes.Properties, scope, out members);
write = WriteAccessor.Create(type, AccessorMemberTypes.Properties, scope);
goto setMembers;
}
}
}
setMembers:
SetMembers(configuration, instance, options, members, read, write, customBinders);
}