private void GenerateTopicsAndItems(out Items items, out Topics topics)
{
topics = new Topics();
items = new Items();
Random rnd = new Random();
var profiles = InitSection.GetTopicsSpecialVariabilityProfiles();
foreach(var profile in profiles)
{
// first is number of topics
for(int i=0; i<profile.First; i++)
{
TopicTemplate topic = new TopicTemplate();
topic.Category = i.ToString();
topic.Name = "Topic "+topic.Category;
topic.Text = "Generated " + topic.Name;
topic.Type = DCF.DataLayer.TopicType.SingleAnswer;
topics.TopicList.Add(topic);
// now create the set of items for the topic
int itemsnum = rnd.Next(profile.Second, profile.Third);
ItemTemplate item = new ItemTemplate();
item.CorrectValues.Add("t_" + i.ToString());
item.TopicName = topic.Name;
for (int j = 0; j < itemsnum; j++)
{
item.IncorrectValues.Add(string.Format("f{0}_{1}", i.ToString(), j.ToString()));
}
items.ItemList.Add(item);
}
}
}
/// <summary>
/// deseriallizes two input files into Topics and Items Templates
/// </summary>
/// <param name="topicsTemplateFile">full file name that contains topics data</param>
/// <param name="itemsTemplateFile">full file name that contains items data</param>
private void LoadTemplatesFromXML(string topicsTemplateFile, string itemsTemplateFile,
out Items items, out Topics topics)
{
items = null;
topics = null;
// TODO: XmlSerializers module is not found
XmlSerializer xmlSerializationTopics = new XmlSerializer(typeof(Topics));
using (StreamReader reader = new StreamReader(topicsTemplateFile))
{
topics = (Topics)xmlSerializationTopics.Deserialize(reader);
}
Logger.DebugWriteLine(string.Format("{1} Topics are sucessfully loaded from {0}", topicsTemplateFile, topics.TopicList.Count));
XmlSerializer xmlSerializationItems = new XmlSerializer(typeof(Items));
using (StreamReader reader = new StreamReader(itemsTemplateFile))
{
items = (Items)xmlSerializationItems.Deserialize(reader);
}
Logger.DebugWriteLine(string.Format("{1} Items are sucessfully loaded from {0}", itemsTemplateFile, items.ItemList.Count));
}
protected void GenerateBasisRecords(
DataTable dtTopics, DataTable dtItems, DataTable dtCorrectFacts,
Items items, Topics topics)
{
Logger.DebugWriteLine("Generating Basic Records...");
// filling up topics
int topicId = 1;
foreach (TopicTemplate topic in topics.TopicList)
{
if (topic.Values == null || topic.Values.Count == 0)
{
dtTopics.Rows.Add(topicId++, topic.Name,
topic.Text, 0, topic.Category, 0.0, String.Empty);
}
else
{
foreach (string tVal in topic.Values)
{
dtTopics.Rows.Add(topicId++, string.Format(topic.Name, tVal),
string.Format(topic.Text, tVal), 0, topic.Category, 0.0, tVal);
}
}
}
// filling up items and correct items
int itemId = 1;
foreach (ItemTemplate item in items.ItemList)
{
foreach (string iVal in item.CorrectValues)
{
// popultate items and correct items at once
dtCorrectFacts.Rows.Add(
dtItems.Rows.Add(itemId++, iVal,
dtTopics.Select(string.Format("TopicName='{0}'", item.TopicName)).First()["TopicId"]).ItemArray
);
}
foreach (string iVal in item.IncorrectValues)
{
dtItems.Rows.Add(itemId++, iVal,
dtTopics.Select(string.Format("TopicName='{0}'", item.TopicName)).First()["TopicId"]);
}
}
Logger.DebugWriteLine("Done!");
}