public static DataMemberAttribute GetWeakDataMember(this FieldInfo pi)
{
var attr = pi.AllAttributes().FirstOrDefault(x => x.GetType().Name == ReflectionExtensions.DataMember);
if (attr != null)
{
var attrType = attr.GetType();
var accessor = TypeProperties.Get(attr.GetType());
var newAttr = new DataMemberAttribute
{
Name = (string)accessor.GetPublicGetter("Name")(attr),
EmitDefaultValue = (bool)accessor.GetPublicGetter("EmitDefaultValue")(attr),
IsRequired = (bool)accessor.GetPublicGetter("IsRequired")(attr),
};
var order = (int)accessor.GetPublicGetter("Order")(attr);
if (order >= 0)
{
newAttr.Order = order; //Throws Exception if set to -1
}
return(newAttr);
}
return(null);
}
public static TResponse CreateErrorResponse <TResponse>(IResponse res, Exception ex)
{
if (res.StatusCode < 300)
{
res.StatusCode = ex.ToStatusCode();
}
var status = (ex is IHttpError httpError
? httpError.GetResponseStatus()
: null)
?? ex.ToResponseStatus();
var instance = typeof(TResponse).CreateInstance <TResponse>();
if (instance is IHasResponseStatus hasStatus)
{
hasStatus.ResponseStatus = status;
}
else
{
var pi = TypeProperties <TResponse> .GetAccessor(nameof(IHasResponseStatus.ResponseStatus));
if (pi != null)
{
pi.PublicSetter(instance, status);
}
else
{
throw ex; // can't inject ResponseStatus treat as generic unstructured handler error
}
}
return(instance);
}
public static object GetResult(this Task task)
{
try
{
if (!task.IsCompleted)
{
task.Wait();
}
if (task is Task <object> taskObj)
{
return(taskObj.Result);
}
var taskType = task.GetType();
if (!taskType.IsGenericType || taskType.FullName.Contains("VoidTaskResult"))
{
return(null);
}
var props = TypeProperties.Get(taskType);
var fn = props.GetPublicGetter("Result");
return(fn?.Invoke(task));
}
catch (TypeAccessException)
{
return(null); //return null for void Task's
}
catch (Exception ex)
{
throw ex.UnwrapIfSingleException();
}
}
private async Task <object> ExecAndReturnResponseAsync <Table>(object dto, IDbConnection db, Func <ExecContext, Task <ExecValue> > fn)
{
var responseType = HostContext.Metadata.GetOperation(dto.GetType())?.ResponseType;
var responseProps = responseType == null ? null : TypeProperties.Get(responseType);
var idProp = responseProps?.GetAccessor(Keywords.Id);
var countProp = responseProps?.GetAccessor(Keywords.Count);
var resultProp = responseProps?.GetAccessor(Keywords.Result);
var rowVersionProp = responseProps?.GetAccessor(Keywords.RowVersion);
var execValue = await fn(new ExecContext(idProp, resultProp, countProp, rowVersionProp));
if (responseType == null)
{
return(null);
}
object idValue = null;
var response = responseType.CreateInstance();
if (idProp != null && execValue.Id != null)
{
idValue = execValue.Id.ConvertTo(idProp.PropertyInfo.PropertyType);
idProp.PublicSetter(response, idValue);
}
if (countProp != null && execValue.RowsUpdated != null)
{
countProp.PublicSetter(response, execValue.RowsUpdated.ConvertTo(countProp.PropertyInfo.PropertyType));
}
if (resultProp != null && execValue.Id != null)
{
var result = await db.SingleByIdAsync <Table>(execValue.Id);
resultProp.PublicSetter(response, result.ConvertTo(resultProp.PropertyInfo.PropertyType));
}
if (rowVersionProp != null)
{
if (AutoMappingUtils.IsDefaultValue(idValue))
{
var modelDef = typeof(Table).GetModelMetadata();
var dtoIdGetter = TypeProperties.Get(dto.GetType()).GetPublicGetter(modelDef.PrimaryKey.Name);
if (dtoIdGetter != null)
{
idValue = dtoIdGetter(dto);
}
}
if (AutoMappingUtils.IsDefaultValue(idValue))
{
throw new NotSupportedException($"Could not resolve Primary Key from '{dto.GetType().Name}' to be able to resolve RowVersion");
}
var rowVersion = await db.GetRowVersionAsync <Table>(idValue);
rowVersionProp.PublicSetter(response, rowVersion.ConvertTo(rowVersionProp.PropertyInfo.PropertyType));
}
return(response);
}
public override void Execute(IRequest req, IResponse res, object requestDto)
{
var errorViewGetter = TypeProperties.Get(requestDto.GetType()).GetPublicGetter(FieldName);
if (errorViewGetter?.Invoke(requestDto) is string errorView)
{
req.SetErrorView(errorView);
}
}
/// <summary>
/// Shortcut to get the ResponseStatus whether it's bare or inside a IHttpResult
/// </summary>
/// <param name="response"></param>
/// <returns></returns>
public static ResponseStatus GetResponseStatus(this object response)
{
if (response == null)
return null;
if (response is ResponseStatus status)
return status;
if (response is IHasResponseStatus hasResponseStatus)
return hasResponseStatus.ResponseStatus;
var statusGetter = TypeProperties.Get(response.GetType()).GetPublicGetter(nameof(ResponseStatus));
return statusGetter?.Invoke(response) as ResponseStatus;
}
public static DataContractAttribute GetWeakDataContract(this Type type)
{
var attr = type.AllAttributes().FirstOrDefault(x => x.GetType().Name == DataContract);
if (attr != null)
{
var attrType = attr.GetType();
var accessor = TypeProperties.Get(attr.GetType());
return(new DataContractAttribute
{
Name = (string)accessor.GetPublicGetter("Name")(attr),
Namespace = (string)accessor.GetPublicGetter("Namespace")(attr),
});
}
return(null);
}
internal static CrudContext Create <Table>(IRequest request, IDbConnection db, object dto, string operation)
{
var appHost = HostContext.AppHost;
var requestType = dto?.GetType() ?? throw new ArgumentNullException(nameof(dto));
var responseType = appHost.Metadata.GetOperation(requestType)?.ResponseType;
var responseProps = responseType == null ? null : TypeProperties.Get(responseType);
return(new CrudContext {
Operation = operation,
Request = request ?? throw new ArgumentNullException(nameof(request)),
Db = db ?? throw new ArgumentNullException(nameof(db)),
Events = appHost.TryResolve <ICrudEvents>(),
Dto = dto,
ModelType = typeof(Table),
RequestType = requestType,
ModelDef = typeof(Table).GetModelMetadata(),
ResponseType = responseType,
IdProp = responseProps?.GetAccessor(Keywords.Id),
CountProp = responseProps?.GetAccessor(Keywords.Count),
ResultProp = responseProps?.GetAccessor(Keywords.Result),
RowVersionProp = responseProps?.GetAccessor(Keywords.RowVersion),
});
public static object GetResult(this Task task)
{
try
{
task.Wait();
var taskType = task.GetType();
if (!taskType.IsGenericType || taskType.FullName.Contains("VoidTaskResult"))
return null;
var fn = TypeProperties.Get(taskType).GetPublicGetter("Result");
return fn?.Invoke(task);
}
catch (TypeAccessException)
{
return null; //return null for void Task's
}
catch (Exception ex)
{
throw ex.UnwrapIfSingleException();
}
}
public void PopulateRequestFromHeaders(object request, global::Grpc.Core.Metadata headers)
{
if (headers.Count == 0)
{
return;
}
var props = TypeProperties.Get(request.GetType());
var to = new Dictionary <string, object>();
foreach (var entry in headers)
{
var key = entry.Key.IndexOf('.') >= 0 && (
entry.Key.StartsWith("query.") ||
entry.Key.StartsWith("form.") ||
entry.Key.StartsWith("cookie.") ||
entry.Key.StartsWith("header."))
? entry.Key.RightPart('.')
: entry.Key;
if (!props.PropertyMap.TryGetValue(key, out var accessor))
{
continue;
}
var propName = accessor.PropertyInfo.Name;
to[propName] = !entry.Key.EndsWith("-bin")
? (object)entry.Value
: entry.ValueBytes;
}
if (to.Count > 0)
{
to.PopulateInstance(request);
}
}
internal GetMemberDelegate RequestIdGetter() => TypeProperties.Get(RequestType).GetPublicGetter(ModelDef.PrimaryKey.Name);
public static Dictionary <string, object> ToObjectDictionary(
this object obj,
Func <string, object, object> mapper)
{
if (obj == null)
{
return(null);
}
if (obj is Dictionary <string, object> alreadyDict)
{
if (mapper != null)
{
return(mapper.MapToDictionary(alreadyDict));
}
return(alreadyDict);
}
if (obj is IDictionary <string, object> interfaceDict)
{
if (mapper != null)
{
return(mapper.MapToDictionary(interfaceDict));
}
return(new Dictionary <string, object>(interfaceDict));
}
var to = new Dictionary <string, object>();
if (obj is Dictionary <string, string> stringDict)
{
return(ConvertToDictionary(stringDict, mapper));
}
if (obj is IDictionary d)
{
foreach (var key in d.Keys)
{
string k = key.ToString();
object v = d[key];
v = mapper?.Invoke(k, v) ?? v;
to[k] = v;
}
return(to);
}
if (obj is NameValueCollection nvc)
{
for (var i = 0; i < nvc.Count; i++)
{
string k = nvc.GetKey(i);
object v = nvc.Get(i);
v = mapper?.Invoke(k, v) ?? v;
to[k] = v;
}
return(to);
}
if (obj is IEnumerable <KeyValuePair <string, object> > objKvps)
{
return(ConvertToDictionary(objKvps, mapper));
}
if (obj is IEnumerable <KeyValuePair <string, string> > strKvps)
{
return(ConvertToDictionary(strKvps, mapper));
}
var type = obj.GetType();
if (type.GetKeyValuePairsTypes(out var keyType, out var valueType, out var kvpType) && obj is IEnumerable e)
{
var keyGetter = TypeProperties.Get(kvpType).GetPublicGetter("Key");
var valueGetter = TypeProperties.Get(kvpType).GetPublicGetter("Value");
foreach (var entry in e)
{
var key = keyGetter(entry);
var value = valueGetter(entry);
string k = key.ConvertTo <string>();
value = mapper?.Invoke(k, value) ?? value;
to[k] = value;
}
return(to);
}
if (obj is KeyValuePair <string, object> objKvp)
{
string kk = nameof(objKvp.Key);
object kv = objKvp.Key;
kv = mapper?.Invoke(kk, kv) ?? kv;
string vk = nameof(objKvp.Value);
object vv = objKvp.Value;
vv = mapper?.Invoke(vk, vv) ?? vv;
return(new Dictionary <string, object>
{
[kk] = kv,
[vk] = vv
});
}
if (obj is KeyValuePair <string, string> strKvp)
{
string kk = nameof(objKvp.Key);
object kv = strKvp.Key;
kv = mapper?.Invoke(kk, kv) ?? kv;
string vk = nameof(strKvp.Value);
object vv = strKvp.Value;
vv = mapper?.Invoke(vk, vv) ?? vv;
return(new Dictionary <string, object>
{
[kk] = kv,
[vk] = vv
});
}
if (type.GetKeyValuePairTypes(out _, out var _))
{
string kk = "Key";
object kv = TypeProperties.Get(type).GetPublicGetter("Key")(obj).ConvertTo <string>();
kv = mapper?.Invoke(kk, kv) ?? kv;
string vk = "Value";
object vv = TypeProperties.Get(type).GetPublicGetter("Value")(obj);
vv = mapper?.Invoke(vk, vv) ?? vv;
return(new Dictionary <string, object>
{
[kk] = kv,
[vk] = vv
});
}
if (!toObjectMapCache.TryGetValue(type, out var def))
{
toObjectMapCache[type] = def = CreateObjectDictionaryDefinition(type);
}
foreach (var fieldDef in def.Fields)
{
string k = fieldDef.Name;
object v = fieldDef.GetValueFn(obj);
v = mapper?.Invoke(k, v) ?? v;
to[k] = v;
}
return(to);
}
public static Dictionary <string, object> ToObjectDictionary(this object obj)
{
if (obj == null)
{
return(null);
}
if (obj is Dictionary <string, object> alreadyDict)
{
return(alreadyDict);
}
if (obj is IDictionary <string, object> interfaceDict)
{
return(new Dictionary <string, object>(interfaceDict));
}
var to = new Dictionary <string, object>();
if (obj is Dictionary <string, string> stringDict)
{
foreach (var entry in stringDict)
{
to[entry.Key] = entry.Value;
}
return(to);
}
if (obj is IDictionary d)
{
foreach (var key in d.Keys)
{
to[key.ToString()] = d[key];
}
return(to);
}
if (obj is NameValueCollection nvc)
{
for (var i = 0; i < nvc.Count; i++)
{
to[nvc.GetKey(i)] = nvc.Get(i);
}
return(to);
}
if (obj is IEnumerable <KeyValuePair <string, object> > objKvps)
{
foreach (var kvp in objKvps)
{
to[kvp.Key] = kvp.Value;
}
return(to);
}
if (obj is IEnumerable <KeyValuePair <string, string> > strKvps)
{
foreach (var kvp in strKvps)
{
to[kvp.Key] = kvp.Value;
}
return(to);
}
var type = obj.GetType();
if (type.GetKeyValuePairsTypes(out var keyType, out var valueType, out var kvpType) && obj is IEnumerable e)
{
var keyGetter = TypeProperties.Get(kvpType).GetPublicGetter("Key");
var valueGetter = TypeProperties.Get(kvpType).GetPublicGetter("Value");
foreach (var entry in e)
{
var key = keyGetter(entry);
var value = valueGetter(entry);
to[key.ConvertTo <string>()] = value;
}
return(to);
}
if (obj is KeyValuePair <string, object> objKvp)
{
return new Dictionary <string, object> {
{ nameof(objKvp.Key), objKvp.Key }, { nameof(objKvp.Value), objKvp.Value }
}
}
;
if (obj is KeyValuePair <string, string> strKvp)
{
return new Dictionary <string, object> {
{ nameof(strKvp.Key), strKvp.Key }, { nameof(strKvp.Value), strKvp.Value }
}
}
;
if (type.GetKeyValuePairTypes(out _, out var _))
{
return(new Dictionary <string, object> {
{ "Key", TypeProperties.Get(type).GetPublicGetter("Key")(obj).ConvertTo <string>() },
{ "Value", TypeProperties.Get(type).GetPublicGetter("Value")(obj) },
});
}
if (!toObjectMapCache.TryGetValue(type, out var def))
{
toObjectMapCache[type] = def = CreateObjectDictionaryDefinition(type);
}
foreach (var fieldDef in def.Fields)
{
to[fieldDef.Name] = fieldDef.GetValueFn(obj);
}
return(to);
}
internal static AutoCrudMetadata Create(Type dtoType)
{
if (cache.TryGetValue(dtoType, out var to))
{
return(to);
}
to = new AutoCrudMetadata {
DtoType = dtoType,
ModelType = GetModelType(dtoType),
DtoProps = TypeProperties.Get(dtoType),
};
if (to.ModelType != null)
{
to.ModelDef = to.ModelType.GetModelMetadata();
}
to.RowVersionGetter = to.DtoProps.GetPublicGetter(Keywords.RowVersion);
var dtoAttrs = dtoType.AllAttributes();
foreach (var dtoAttr in dtoAttrs)
{
if (dtoAttr is AutoPopulateAttribute populateAttr)
{
to.PopulateAttrs ??= new List <AutoPopulateAttribute>();
to.PopulateAttrs.Add(populateAttr);
}
else if (dtoAttr is AutoFilterAttribute filterAttr)
{
to.AutoFilters ??= new List <AutoFilterAttribute>();
to.AutoFiltersDbFields ??= new List <QueryDbFieldAttribute>();
to.AutoFilters.Add(filterAttr);
to.AutoFiltersDbFields.Add(ExprResult.ToDbFieldAttribute(filterAttr));
}
}
foreach (var pi in to.DtoProps.PublicPropertyInfos)
{
var allAttrs = pi.AllAttributes();
var propName = pi.Name;
if (allAttrs.FirstOrDefault(x => x is AutoMapAttribute) is AutoMapAttribute mapAttr)
{
to.MapAttrs ??= new Dictionary <string, AutoMapAttribute>();
to.MapAttrs[propName] = mapAttr;
propName = mapAttr.To;
}
if (allAttrs.FirstOrDefault(x => x is AutoUpdateAttribute) is AutoUpdateAttribute updateAttr)
{
to.UpdateAttrs ??= new Dictionary <string, AutoUpdateAttribute>();
to.UpdateAttrs[propName] = updateAttr;
}
if (allAttrs.FirstOrDefault(x => x is AutoDefaultAttribute) is AutoDefaultAttribute defaultAttr)
{
to.DefaultAttrs ??= new Dictionary <string, AutoDefaultAttribute>();
to.DefaultAttrs[propName] = defaultAttr;
}
if (pi.PropertyType.IsNullableType())
{
to.NullableProps ??= new HashSet <string>();
to.NullableProps.Add(propName);
}
}
return(cache[dtoType] = to);
}
