/* Update which concept is currently chosen and update texts
* Will be run when value of dropdown is changed */
public void decideCurrConcept()
{
currentChosenOption = dropDown.GetComponent <TMP_Dropdown>().value;
switch (currentChosenOption)
{
case 0:
currConcept = variable;
break;
case 1:
currConcept = condition;
break;
case 2:
currConcept = forloops;
break;
case 3:
currConcept = whileloops;
break;
//case 4:
// currConcept = final;
// break;
}
updateTexts();
}
/// <summary>
/// Mapea un modelo de vista
/// a una entidad
/// </summary>
public concept ViewModelToEntity(ConceptViewModel model)
{
concept result = new concept();
result.ConceptId = model.ConceptId;
result.Nombre = model.Nombre;
result.RegStatus = model.RegStatus;
result.CreatedAt = Convert.ToDateTime(model.CreatedAt);
result.UpdatedAt = Convert.ToDateTime(model.UpdatedAt);
return(result);
}
/// <summary>
/// mapea un objeto entidad
/// a un modelo de vista
/// </summary>
public ConceptViewModel EntityToViewModel(concept entity)
{
var model = new ConceptViewModel();
model.ConceptId = entity.ConceptId;
model.Nombre = entity.Nombre;
model.RegStatus = entity.RegStatus;
model.CreatedAt = entity.CreatedAt.ToString("dd/MM/yyyy");
model.UpdatedAt = entity.UpdatedAt.ToString("dd/MM/yyyy");
return(model);
}
/* Start is called before the first frame update. Define all concepts */
void Start()
{
//Which dropdown option are we looking at?
currentChosenOption = dropDown.GetComponent <TMP_Dropdown>().value;
/* Text for variables */
variable = new concept();
variable.setTitle("Variables");
variable.setDef("A Variable is a quantity that has been assigned a special value by the programmer.\n" +
" It is like a box holding a value, in the sense that you can use the box instead of using the value directly!");
variable.setExample("For Example: x = 10 implies 2 + x = 12 \n" +
"We can substitute 10 by x anywhere necessary. This provides a nice and neat way to modify our programs.");
/*Text for Conditions */
condition = new concept();
condition.setTitle("Conditional Statements");
condition.setDef("Conditional statements control the flow of the program and allow it to behave appropriately under different circumstances.\n" +
"They include 'if statements' which can be followed by 'else if' and 'else' statements which execute appropriate behaviours accordingly.");
condition.setExample("For example \n" +
"'if(x){do y}\n" +
"else{do z}'\n" +
"will execute y given x is true and execute z otherwise.");
/*Text for For Loops*/
forloops = new concept();
forloops.setTitle("For Loops");
forloops.setDef("For Loops help programmers execute chunks of code in multiple interations without having to repeat the code! They are \n" +
"a very powerful tool that helps programmers iterate over data structures like arrays, and execute shared pieces of code among \n" +
"say, the different indices of the array, or even multiple arrays!");
forloops.setExample("For loops have syntax like\n " +
"for (int i = 0; i< value; i++){some code}\n" +
" to signify that the code is meant to iterate value times, with each iteration differing by 1.");
/*Text for While Loops*/
whileloops = new concept();
whileloops.setTitle("While Loops");
whileloops.setDef("While loops help programmers execute chunks of code, guided by a condition. While the condition is true, the code \n" +
"keeps executing. When the condition falsifies, the while loop stops execution.\n");
whileloops.setExample("The syntax for a while loop is the following: \n" +
"while(i < value){some code}.\n" +
"The 'some code' contains ways for iteration.");
/*Text for the final race*/
//final = new concept();
//final.setTitle("The final race!");
//final.setDef("This is the final chapter of this race! This covers all the chapters we have learned so far. Be prepared for the following:");
//final.setExample("VARIABLES, \n IF CONDITIONS, \n WHILE LOOPS, \n FOR LOOPS");
decideCurrConcept();
updateTexts();
}
/// <summary>
/// Actualiza un concepto
/// </summary>
public concept Update(concept concepto)
{
concept conceptEntity = DataBaseEntities.concept.Where(w => w.ConceptId == concepto.ConceptId).FirstOrDefault();
if (conceptEntity != null)
{
conceptEntity.Nombre = concepto.Nombre;
var update = DataBaseEntities.Entry(conceptEntity);
update.State = EntityState.Modified;
DataBaseEntities.SaveChanges();
}
return(conceptEntity);
}
/// <summary>
/// Elimina un concepto
/// </summary>
public concept Delete(int conceptId)
{
concept conceptEntity = DataBaseEntities.concept.Where(w => w.ConceptId == conceptId).FirstOrDefault();
if (conceptEntity != null)
{
conceptEntity.RegStatus = false;
var update = DataBaseEntities.Entry(conceptEntity);
update.State = EntityState.Modified;
DataBaseEntities.SaveChanges();
}
return(conceptEntity);
}
/// <summary>
/// Registra un nuevo concepto
/// </summary>
public concept Register(concept concept)
{
DateTime dateTime = DateTime.Now;
try
{
concept.CreatedAt = dateTime;
concept.RegStatus = true;
DataBaseEntities.concept.Add(concept);
DataBaseEntities.SaveChanges();
DataBaseEntities.Entry(concept).GetDatabaseValues();
return(concept);
}
catch (Exception dbEx)
{
return(null);
}
}
