// This constructor takes in a JSON string and checks the object against the schema in Criteria-Weights-Schema
// If the JSON is valid then all of the data is extracted from the JSON and is used to create the criteria objects
// To be assessed against the schedules
public Evaluator(string criteriaJsonString, bool test = false)
{
JsonSchema schema;
if (test)
{
schema = JsonSchema.Parse(File.ReadAllText("./../../../ScheduleEvaluator/Criteria-Weights-Schema.json"));
}
else
{
// So this file can not be tested due to the fact that the test dll gets executed from a different
// directory
schema = JsonSchema.Parse(File.ReadAllText("./../../Criteria-Weights-Schema.json"));
}
JObject criteriaJObject = JObject.Parse(criteriaJsonString);
if (!criteriaJObject.IsValid(schema))
{
throw new System.ArgumentException("Invalid JSON Schema");
}
JToken crits = criteriaJObject["Criteria"];
// This for loop gets the number of criteria. It is super inefficent and should be replaced
// with a non iterative approach
int count = 0;
foreach (JToken crit in crits)
{
count++;
}
CritTyp[] criteriaTypes = new CritTyp[count];
double[] weights = new double[count];
int i = 0;
foreach (JToken crit in crits)
{
Debug.WriteLine(crit);
criteriaTypes[i] = CriteriaFactory.FromString(crit["CriteriaName"].ToString());
weights[i] = Convert.ToDouble(crit["Weight"].ToString());
i++;
}
CriteriaFactory fact;
try
{
fact = new CriteriaFactory(criteriaTypes, weights);
}
catch (ArgumentException ag)
{
Console.WriteLine("Error in creating Criterias: {0}", ag);
throw;
}
criterias = fact.Criterias;
client = new HttpClient();
}
// Constructor for the evaluator. Creates all of the criteria objects and stores in criterias.
// For now I dont believe that the criterias should be mutable.
public Evaluator()
{
CritTyp[] criteriaTypes = { CritTyp.CoreCreditsAQuarter, CritTyp.MaxQuarters, CritTyp.TimeOfDay, CritTyp.CoreClassesLastYear, CritTyp.PreRequisiteOrder, CritTyp.MathBreaks, CritTyp.MajorSpecificBreaks, CritTyp.EnglishStart };
double[] weights = { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 };
CriteriaFactory fact;
try
{
fact = new CriteriaFactory(criteriaTypes, weights);
}
catch (ArgumentException ag)
{
Console.WriteLine("Error in creating Criterias: {0}", ag);
throw;
}
client = new HttpClient();
criterias = fact.Criterias;
}