public override int SaveChanges()
{
DoBusinessRules();
ObjectContext ctx = ((IObjectContextAdapter)this).ObjectContext;
List <ObjectStateEntry> objectStateEntryList =
ctx.ObjectStateManager.GetObjectStateEntries(EntityState.Added
| EntityState.Modified
| EntityState.Deleted)
.ToList();
EntityState state = new EntityState();
ObjectStateEntry objectStateEntry = null;
if (objectStateEntryList.Count > 0)
{
objectStateEntry = objectStateEntryList.Where(p => p.Entity is BusinessRule).ToList()[0];
state = objectStateEntry.State;
}
SetDisplayValue(objectStateEntryList, state);
if (objectStateEntry != null && state == EntityState.Modified)
{
var id = objectStateEntry.EntityKey.EntityKeyValues[0].Value.ToString();
MakeUpdateJournalEntry(id, objectStateEntry.State.ToString(), objectStateEntryList.Where(p => p.Entity is BusinessRule).ToList()[0]);
}
if (objectStateEntry != null && state == EntityState.Deleted)
{
var id = objectStateEntry.EntityKey.EntityKeyValues[0].Value.ToString();
ConditionContext brconditions = new ConditionContext();
long? longid = Convert.ToInt64(id);
var condlist = brconditions.Conditions.Where(p => p.RuleConditionsID.Value == longid);
foreach (var cond in condlist)
{
brconditions.Conditions.Remove(cond);
}
brconditions.SaveChanges();
RuleActionContext brActions = new RuleActionContext();
ActionArgsContext brArgs = new ActionArgsContext();
var actionlist = brActions.RuleActions.Where(p => p.RuleActionID.Value == longid);
foreach (var action in actionlist)
{
brActions.RuleActions.Remove(action);
var argslist = brArgs.ActionArgss.Where(p => p.ActionArgumentsID == action.Id);
foreach (var args in argslist)
{
brArgs.ActionArgss.Remove(args);
}
brArgs.SaveChanges();
}
brActions.SaveChanges();
}
var result = base.SaveChanges();
if (objectStateEntryList.Count > 0)
{
if (objectStateEntry != null && state == EntityState.Added)
{
var id = objectStateEntry.EntityKey.EntityKeyValues[0].Value.ToString();
MakeAddJournalEntry(id, state.ToString(), objectStateEntryList.Where(p => p.Entity is BusinessRule).ToList()[0]);
}
}
return(result);
}
public static bool CheckRule <T>(this T obj1, BusinessRule br, string EntityName)
{
if (EntityName != br.EntityName)
{
return(false);
}
var EntityInfo = ModelReflector.Entities.FirstOrDefault(p => p.Name == EntityName);
bool result = true;
var ruleconditionsdb = new ConditionContext().Conditions.Where(p => p.RuleConditionsID == br.Id);
bool containsCondition = false;
var ruleactionsdb = new RuleActionContext();
var ruleactions = ruleactionsdb.RuleActions.Where(p => p.RuleActionID == br.Id && p.AssociatedActionTypeID == 1);
string lstConditions = "";
foreach (var condition in ruleconditionsdb)
{
containsCondition = true;
var PropName = condition.PropertyName;
var ConditionOperator = condition.Operator;
var ConditionValue = condition.Value;
object oldPropValue = null;
bool isPropertyValueChanged = true;
if (br.AssociatedBusinessRuleTypeID == 4)
{
isPropertyValueChanged = IsPropertyValueChanged(obj1, EntityName, PropName);
}
if (PropName == "Id" && ConditionOperator == ">" && ConditionValue == "0")
{
result = true && isPropertyValueChanged;
}
else
{
string propDataType = "String";
var PropInfo = EntityInfo.Properties.FirstOrDefault(p => p.Name == PropName);
if (PropInfo != null)
{
propDataType = PropInfo.DataType;
}
var AssociationInfo = EntityInfo.Associations.FirstOrDefault(p => p.AssociationProperty == PropName);
if (PropName.StartsWith("[") && PropName.EndsWith("]"))
{
PropName = PropName.TrimStart("[".ToArray()).TrimEnd("]".ToArray());
if (PropName.Contains("."))
{
var targetProperties = PropName.Split(".".ToCharArray());
if (targetProperties.Length > 1)
{
AssociationInfo = EntityInfo.Associations.FirstOrDefault(p => p.AssociationProperty == targetProperties[0]);
if (AssociationInfo != null)
{
var targetEntityInfo = ModelReflector.Entities.FirstOrDefault(p => p.Name == AssociationInfo.Target);
PropInfo = targetEntityInfo.Properties.FirstOrDefault(p => p.Name == targetProperties[1]);
propDataType = PropInfo.DataType;
var assocInfo = targetEntityInfo.Associations.FirstOrDefault(p => p.AssociationProperty == PropInfo.Name);
if (assocInfo != null)
{
propDataType = "String";
}
PropName = targetProperties[0];
}
}
}
}
string targetValue = GetTargetConditionValue(obj1, ConditionValue, EntityName);
if (!string.IsNullOrEmpty(targetValue))
{
ConditionValue = targetValue;
}
string DataType = propDataType;
PropertyInfo[] properties = (obj1.GetType()).GetProperties().Where(p => p.PropertyType.FullName.StartsWith("System")).ToArray();
var Property = properties.FirstOrDefault(p => p.Name == PropName);
object PropValue = Property.GetValue(obj1, null);
oldPropValue = GetOldValueOfEntity(obj1, EntityName, PropName);
if (AssociationInfo != null)
{
if (PropValue != null)
{
PropValue = GetValueForAssociationProperty(AssociationInfo.Target, Convert.ToString(PropValue), PropInfo.Name);
}
//PropValue = GetDisplayValueForAssociation(AssociationInfo.Target, Convert.ToString(PropValue));
if (ConditionValue != null)
{
ConditionValue = GetValueForAssociationProperty(AssociationInfo.Target, Convert.ToString(ConditionValue), PropInfo.Name);
}
if (ruleactions != null && ruleactions.Count() > 0)
{
oldPropValue = GetDisplayValueForAssociation(AssociationInfo.Target, Convert.ToString(oldPropValue));
}
DataType = "Association";
}
if (ruleactions != null && ruleactions.Count() > 0)
{
bool isRuleValid = ValidateValueAgainstRule(oldPropValue, DataType, ConditionOperator, ConditionValue, Property, propDataType);
result = isRuleValid && isPropertyValueChanged;
}
else
{
bool isRuleValid = ValidateValueAgainstRule(PropValue, DataType, ConditionOperator, ConditionValue, Property, propDataType);
result = isRuleValid && isPropertyValueChanged;
}
if (br.AssociatedBusinessRuleTypeID == 4 && ConditionOperator == "Changes to anything")
{
result = isPropertyValueChanged;
}
}
lstConditions += Convert.ToString(result) + " " + condition.LogicalConnector + " ";
}
result = CheckRuleWithLogicalConnectors(lstConditions);
if (!containsCondition)
{
return(false);
}
return(result);
}
public IQueryable <T> FilterDropdown <T>(IUser User, IQueryable <T> list, string EntityName, string caller)
{
IQueryable <T> rejectedList = list;
bool flag = false;
bool flagIsElseAction = false;
var br = User.businessrules.Where(p => p.EntityName == EntityName);
if (br != null && br.Count() > 0)
{
var ruleactiondb = new RuleActionContext();
foreach (var _rule in br)
{
foreach (var act in ruleactiondb.RuleActions.Where(p => p.RuleActionID == _rule.Id && p.AssociatedActionTypeID == 5))
{
ActionArgsContext actionargs = new ActionArgsContext();
var ruleconditionsdb = new ConditionContext();
var arg = actionargs.ActionArgss.FirstOrDefault(p => p.ActionArgumentsID == act.Id && (p.ParameterName == caller || p.ParameterName == "All"));
if (arg != null)
{
foreach (var condition in ruleconditionsdb.Conditions.Where(p => p.RuleConditionsID == _rule.Id))
{
var PropName = condition.PropertyName;
var EntityInfo = ModelReflector.Entities.FirstOrDefault(p => p.Name == EntityName);
var PropInfo = EntityInfo.Properties.FirstOrDefault(p => p.Name == PropName);
var AssociationInfo = EntityInfo.Associations.FirstOrDefault(p => p.AssociationProperty == PropName);
if (PropName.StartsWith("[") && PropName.EndsWith("]"))
{
PropName = PropName.TrimStart("[".ToArray()).TrimEnd("]".ToArray());
if (PropName.Contains("."))
{
var targetProperties = PropName.Split(".".ToCharArray());
if (targetProperties.Length > 1)
{
AssociationInfo = EntityInfo.Associations.FirstOrDefault(p => p.AssociationProperty == targetProperties[0]);
if (AssociationInfo != null)
{
EntityInfo = ModelReflector.Entities.FirstOrDefault(p => p.Name == AssociationInfo.Target);
PropInfo = EntityInfo.Properties.FirstOrDefault(p => p.Name == targetProperties[1]);
PropName = targetProperties[0];
}
}
}
}
string DataType = PropInfo.DataType;
PropertyInfo[] properties = (typeof(T)).GetProperties().Where(p => p.PropertyType.FullName.StartsWith("System")).ToArray();
var Property = properties.FirstOrDefault(p => p.Name == PropName);
if (AssociationInfo != null)
{
Type controller = Type.GetType("GeneratorBase.MVC.Controllers." + AssociationInfo.Target + "Controller");
object objController = Activator.CreateInstance(controller, null);
System.Reflection.MethodInfo mc = controller.GetMethod("GetIdFromPropertyValue");
object[] MethodParams = new object[] { PropInfo.Name, condition.Value };
var obj = mc.Invoke(objController, MethodParams);
object PropValue = obj;
IQueryable query = list;
Type[] exprArgTypes = { query.ElementType };
string propToWhere = condition.PropertyName;// filterCriteria.DropdownProperty;
ParameterExpression p1 = Expression.Parameter(typeof(T), "p");
MemberExpression member = Expression.PropertyOrField(p1, PropName);
Type targetType = typeof(System.Int64?);
dynamic PropertyValue = PropValue;//Convert.ChangeType(PropValue, targetType);
dynamic expr1 = Expression.Equal(member, Expression.Convert(Expression.Constant(PropertyValue), targetType));
LambdaExpression lambda = Expression.Lambda <Func <T, bool> >(expr1, p1);
MethodCallExpression methodCall = Expression.Call(typeof(Queryable), "Where", exprArgTypes, query.Expression, lambda);
IQueryable q = query.Provider.CreateQuery(methodCall);
//finalList = ((IQueryable<T>)q);
rejectedList = rejectedList.Except((IQueryable <T>)q);
flag = true;
}
else
{
object PropValue = condition.Value;// filterCriteria.PropertyValue;
IQueryable query = list;
Type[] exprArgTypes = { query.ElementType };
string propToWhere = condition.PropertyName;// filterCriteria.DropdownProperty;
ParameterExpression p1 = Expression.Parameter(typeof(T), "p");
MemberExpression member = Expression.PropertyOrField(p1, propToWhere);
Type targetType = Property.PropertyType;
dynamic PropertyValue = null;
if (targetType.GetGenericArguments().Count() > 0)
{
if (targetType.GetGenericArguments()[0].Name == "DateTime" && condition.Value.ToLower().Contains("today"))
{
PropValue = ApplyRule.EvaluateDateTime("", condition.Value);
}
}
if (targetType.IsGenericType && targetType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
if (String.IsNullOrEmpty(Convert.ToString(PropValue)))
{
PropertyValue = null;
}
else
{
PropertyValue = Convert.ChangeType(PropValue, targetType.GetGenericArguments()[0]);
}
}
else
{
PropertyValue = Convert.ChangeType(PropValue, targetType);
}
LambdaExpression lambda = Expression.Lambda <Func <T, bool> >(Expression.Equal(member, Expression.Convert(Expression.Constant(PropertyValue), targetType)), p1);
if (condition.Operator == ">")
{
lambda = Expression.Lambda <Func <T, bool> >(Expression.GreaterThan(member, Expression.Convert(Expression.Constant(PropertyValue), targetType)), p1);
}
if (condition.Operator == "<")
{
lambda = Expression.Lambda <Func <T, bool> >(Expression.LessThan(member, Expression.Convert(Expression.Constant(PropertyValue), targetType)), p1);
}
if (condition.Operator == "<=")
{
lambda = Expression.Lambda <Func <T, bool> >(Expression.LessThanOrEqual(member, Expression.Convert(Expression.Constant(PropertyValue), targetType)), p1);
}
if (condition.Operator == ">=")
{
lambda = Expression.Lambda <Func <T, bool> >(Expression.GreaterThanOrEqual(member, Expression.Convert(Expression.Constant(PropertyValue), targetType)), p1);
}
if (condition.Operator == "!=")
{
lambda = Expression.Lambda <Func <T, bool> >(Expression.NotEqual(member, Expression.Convert(Expression.Constant(PropertyValue), targetType)), p1);
}
MethodCallExpression methodCall = Expression.Call(typeof(Queryable), "Where", exprArgTypes, query.Expression, lambda);
IQueryable q = query.Provider.CreateQuery(methodCall);
//finalList = ((IQueryable<T>)q);
rejectedList = rejectedList.Except((IQueryable <T>)q);
flag = true;
}
}
}
if (act.IsElseAction)
{
flagIsElseAction = true;
}
}
}
}
if (flag)
{
if (flagIsElseAction)
{
return(rejectedList);
}
return(list.Except(rejectedList));
}
else
{
return(list);
}
}
