IXapEvaluationService IXapValidationProvider.LoadRules <T>(T obj, string ruleType)
{
IXapDataProvider db = null;
IXapRuleSet ruleSet = null;
IXapRule rule = null;
try {
string dbEnvironment = string.Empty;
string lobName = string.Empty;
string componentName = string.Empty;
string ruleDependents = string.Empty;
GetDbContext <T>(obj, out dbEnvironment, out lobName, out componentName);
db = DbFactory.Instance.Db(dbEnvironment, lobName, "CORE.SelectRules");
XapDataReader dr = db.AddParameter(DbFactory.Instance.DbParameter("RuleType", ruleType))
.AddParameter(DbFactory.Instance.DbParameter("LobName", lobName))
.AddParameter(DbFactory.Instance.DbParameter("ComponentName", componentName))
.AddParameter(DbFactory.Instance.DbParameter("NameSpace", obj.GetType().FullName))
.ExecuteReader();
while (dr.Read())
{
ruleSet = evaluationService.GetRuleSet(dr.GetString("RuleSet"));
evaluationService.AddRuleSet(ruleSet);
rule = ruleSet.GetRule(dr.GetString("RuleName"));
rule.RuleType = dr.GetString("RuleType");
rule.RuleSyntax = dr.GetString("RuleSyntax");
rule.RuleDescription = dr.GetString("RuleDesc");
rule.RuleMessage = dr.GetString("RuleMessage");
IXapRuleVariable ruleVariable = EvaluationFactory.Instance.CreateRuleVariable(dr.GetString("PropertyName"));
rule.AddRuleVariable(ruleVariable);
ruleDependents = dr.GetString("Dependencies");
string[] dependents = ruleDependents.Split(',');
for (int i = 0; i < dependents.Length; i++)
{
IXapRuleVariable variableDependent = EvaluationFactory.Instance.CreateRuleVariable(dependents[i]);
rule.AddRuleVariable(variableDependent);
}
ruleSet.AddRule(rule);
}
return(evaluationService);
}catch (XapException ex) {
throw;
}catch (Exception ex) {
throw new XapException($"Error loading validation rules for {obj.GetType().FullName}", ex);
} finally {
db.CloseConnection();
}
}
internal static string PrepareRuleSyntax(string ruleSyntax, IXapRule rule)
{
try {
foreach (IXapRuleVariable ruleVariable in rule.GetRuleVariables())
{
ruleSyntax = PrepareVariable(ruleSyntax, ruleVariable);
ruleSyntax = PrepareVariableAlias(ruleSyntax, ruleVariable);
ruleSyntax = PrepareGenericVariableValue(ruleSyntax, ruleVariable);
ruleSyntax = PrepareGenericVariableName(ruleSyntax, ruleVariable);
//clear the variable value to make sure it's reset for next run
ruleVariable.VariableValue = string.Empty;
}
return(ruleSyntax);
} catch (Exception ex) {
throw new XapException($"Error preparing rule syntax for Rule:{rule.RuleName} Syntax:{rule.RuleSyntax}", ex);
}
}
