private double ConditionedSymptomsProbability(Disease disease, string symptoms)
{
string[] uniqueSymptoms = symptoms.Split(";");
double symptomsProbability = 1d;
foreach (string symptom in uniqueSymptoms)
{
if (symptom.Equals(""))
{
continue;
}
int symptomID = _context.Symptoms.Where(sym => sym.SymptomName.Equals(symptom)).First().Id;
SymptomDisease symptomDisease = _context.SymptomDiseases.Where(symDis => symDis.DiseaseID.Equals(disease.Id) && symDis.SymptomID.Equals(symptomID)).FirstOrDefault();
if (symptomDisease != null)
{
symptomsProbability *= symptomDisease.OccurenceProbability;
}
else
{
symptomsProbability *= 0.02;
}
}
return(symptomsProbability);
}
public async Task <IActionResult> PostDisease(DiseaseData disease)
{
if (!ModelState.IsValid)
{
return(BadRequest());
}
var check = await _context.Diseases
.Where(d => d.Name == disease.Disease.Name)
.FirstOrDefaultAsync();
var type = await _context.Specialties.FindAsync(disease.Type);
if (check != null || type == null)
{
return(BadRequest());
}
disease.Disease.Specialty = type;
await _context.Diseases.AddAsync(disease.Disease);
foreach (var id in disease.Symptoms)
{
var symptomDiseases = new SymptomDisease
{
DiseaseID = disease.Disease.ID,
SymptomID = id
};
await _context.SymptomDiseases.AddAsync(symptomDiseases);
}
await _context.SaveChangesAsync();
return(Ok(disease));
}
private double ConditionedSymptomsRefusal(Disease disease, string symptoms)
{
string[] uniqueSymptoms = symptoms.Split(";");
double symptomsProbability = 1d;
foreach (string symptom in uniqueSymptoms)
{
if (symptom.Equals(""))
{
continue;
}
Symptom symptomX = _context.Symptoms.Where(sym => sym.SymptomName.Equals(symptom)).First();
SymptomDisease symptomDisease = _context.SymptomDiseases.Where(symDis => symDis.DiseaseID.Equals(disease.Id) && symDis.SymptomID.Equals(symptomX.Id)).FirstOrDefault();
if (symptomDisease != null)
{
symptomsProbability *= (symptomX.OccurenceProbability - symptomDisease.OccurenceProbability * disease.GeneralProbability) / (1d - DiseaseGeneralProbability(disease));
}
else
{
symptomsProbability *= 0.98d;
}
}
return(symptomsProbability);
}
public async Task <IActionResult> PutDisease(int id, DiseaseData item)
{
if (!ModelState.IsValid || id != item.Disease.ID)
{
return(BadRequest());
}
var disease = await _context.Diseases.FindAsync(id);
var type = await _context.Specialties.FindAsync(item.Type);
var check = await _context.Diseases
.Where(d => d.Name == item.Disease.Name)
.FirstOrDefaultAsync();
if (disease == null || type == null || (check != null && check.ID != item.Disease.ID))
{
return(BadRequest());
}
disease.Name = item.Disease.Name;
disease.Details = item.Disease.Details;
disease.Specialty = type;
var symptomDiseases = await _context.SymptomDiseases
.Where(d => d.DiseaseID == disease.ID)
.Include(s => s.Symptom)
.ToListAsync();
_context.SymptomDiseases.RemoveRange(symptomDiseases);
foreach (var ids in item.Symptoms)
{
var symptomDisease = new SymptomDisease
{
DiseaseID = disease.ID,
SymptomID = ids
};
await _context.SymptomDiseases.AddAsync(symptomDisease);
}
_context.Diseases.Update(disease);
await _context.SaveChangesAsync();
return(Ok(disease));
}
