public string Get(PhaseSets phaseSets, int progress)
{
string result;
if (progress > phaseSets.Immediate.Count() - 1)
{
if (progress > (phaseSets.Immediate.Count() + phaseSets.Delayed.Count()) - 1)
{
result = phaseSets.Followup.ElementAt(progress - phaseSets.Immediate.Count() - phaseSets.Delayed.Count());
}
else
{
result = phaseSets.Delayed.ElementAt(progress - phaseSets.Immediate.Count());
}
}
else
{
result = phaseSets.Immediate.ElementAt(progress);
}
return(result);
}
public string Get(PhaseSets phaseSets, int progress)
{
string result = default;
if (progress >= phaseSets.Immediate.Count())
{
if (progress >= phaseSets.Immediate.Count() + phaseSets.Delayed.Count())
{
if (progress < phaseSets.Immediate.Count() + phaseSets.Delayed.Count() + phaseSets.Followup.Count())
{
result = progress >= phaseSets.Immediate.Count() + phaseSets.Delayed.Count() + phaseSets.Followup.Count() ? null : nameof(phaseSets.Followup);
}
}
else
{
result = nameof(phaseSets.Delayed);
}
}
else
{
result = nameof(phaseSets.Immediate);
}
return(result);
}
public PhaseSets Get(string participantID)
{
// fetch the four phases of images as previously defined and stored for given participantID (line 34)
var encoding = _dbContext.PhaseImages.Where(x => string.Equals(x.ParticipantID, participantID) && string.Equals(x.PhaseName, "Encoding")).ToList();
var immediate = _dbContext.PhaseImages.Where(x => string.Equals(x.ParticipantID, participantID) && string.Equals(x.PhaseName, "Immediate")).ToList();
var delayed = _dbContext.PhaseImages.Where(x => string.Equals(x.ParticipantID, participantID) && string.Equals(x.PhaseName, "Delayed")).ToList();
var followup = _dbContext.PhaseImages.Where(x => string.Equals(x.ParticipantID, participantID) && string.Equals(x.PhaseName, "Followup")).ToList();
if ((!encoding.Any()) || (!immediate.Any()) || (!delayed.Any()) || (!followup.Any())) // if any of the four phases lacks images, then
{ // define and store images for all four phases
var testImageCountPerOldType = _config.TestImageCountPerOldSubset; // production: 12; short: 2: development: 12
var testImageCountPerNewType = _config.TestImageCountPerNewSubset; // production: 36; short: 6: development: 36
var oldImageIndexes = GetTestImageIndexes(testImageCountPerOldType, TestOldImageTypes); // see comment near line 89
var newImageIndexes = GetTestImageIndexes(testImageCountPerNewType, TestNewImageTypes); // see comment near line 89
var imagesAllocatedByType = oldImageIndexes.Keys.Union(newImageIndexes.Keys).ToDictionary(x => x, x => 0); // for each test image type (lines 22 and 23), create as 0 a "how many we've used" count number we'll use later (near line 75)
var imageTypeCounts = new Dictionary <int, Dictionary <string, IEnumerable <string> > > {
{ testImageCountPerOldType, oldImageIndexes } // during each test, X images should be shown per image type stored in Y (X = {testImageCountPerOldType} - see line 43) (Y = {oldImageIndexes} - see line 45)
, { testImageCountPerNewType, newImageIndexes } // during each test, X images should be shown per image type stored in Y (X = {testImageCountPerNewType} - see line 44) (Y = {newImageIndexes} = see line 46)
};
var encodingIndexes = CreateEncodingSet().ToList(); // see comment near line 100
var immediateIndexes = CreateTestSet().ToList(); // see comment near line 82
var delayedIndexes = CreateTestSet().ToList(); // see comment near line 82
var followupIndexes = CreateTestSet().ToList(); // see comment near line 82
encoding = encodingIndexes.Select(x => new PhaseImageModel {
ParticipantID = participantID, PhaseName = "Encoding", Index = x
}).ToList(); // convert image names into storeable data
immediate = immediateIndexes.Select(x => new PhaseImageModel {
ParticipantID = participantID, PhaseName = "Immediate", Index = x
}).ToList(); // convert image names into storeable data
delayed = delayedIndexes.Select(x => new PhaseImageModel {
ParticipantID = participantID, PhaseName = "Delayed", Index = x
}).ToList(); // convert image names into storeable data
followup = followupIndexes.Select(x => new PhaseImageModel {
ParticipantID = participantID, PhaseName = "Followup", Index = x
}).ToList(); // convert image names into storeable data
_dbContext.PhaseImages.RemoveRange(_dbContext.PhaseImages.Where(x => string.Equals(participantID, x.ParticipantID))); // remove any such data for given participantID (should never exist, but just in case...)
_dbContext.PhaseImages.AddRange(encoding); // prepare to store Encoding image names for given participantID
_dbContext.PhaseImages.AddRange(immediate); // prepare to store Immediate image names for given participantID
_dbContext.PhaseImages.AddRange(delayed); // prepare to store Delayed image names for given participantID
_dbContext.PhaseImages.AddRange(followup); // prepare to store Followup image names for given participantID
_dbContext.SaveChanges(); // store image names for given participantID
IEnumerable <string> CreateTestSet() // this method is used near lines 54-56
{
var testSet = new List <string>(); // create an empty list of image names, which we'll gradually fill throughout this method and eventually return to the caller
foreach (var(imageCount, imageIndexes) in imageTypeCounts) // for each of "old" and "new", each loop iteration will know the count of images to show per test phase and the dictionary of image types to list of image names
{
foreach (var(imageType, imageTypeIndexes) in imageIndexes) // for each image type, each loop iteration will know the image type and the randomized list of image names (from line 95)
{
var unallocatedImageTypeIndexes = imageTypeIndexes.Skip(imagesAllocatedByType[imageType]); // in the list of randomized image names, skip how many we've already used, and store the rest in {unallocatedImageTypeIndexes}
imagesAllocatedByType[imageType] = imagesAllocatedByType[imageType] + imageCount; // note that we're allocating {imageCount} more of the randomized image names belonging to the given {imageType} (so we know to skip them later)
var images = unallocatedImageTypeIndexes.Take(imageCount); // take {imageCount} image names from {unallocatedImageTypeIndexes}
testSet.AddRange(images); // and associate them with the set of test phase image names we're building
}
}
testSet = _collectionRandomizer.Randomize(testSet).ToList(); // again randomize the list of image names we've come up with
return(testSet); // return the "test set" - a list of randomized, distinct image names ({imageCount} for each of every of both the "old" and "new" image types)
}
}
var result = new PhaseSets(participantID, encoding.Select(x => x.Index), immediate.Select(x => x.Index), delayed.Select(x => x.Index), followup.Select(x => x.Index));
return(result); // return all four phases of image names to the caller
Dictionary <string, IEnumerable <string> > GetTestImageIndexes(int imageCountPerType, IEnumerable <string> imageTypes) // this method is used twice near line 45
{
var totalNumberOfTestPhases = 3;
// for each imageType, get a randomized set of distinct image names large enough to accomodate all test phases
var testImageIndexes = imageTypes.ToDictionary(x => x, x => {
var imageIndexes = _imageIndexesGetter.Get(new List <ImageIndexesRequest> {
new ImageIndexesRequest(x, imageCountPerType * totalNumberOfTestPhases)
});
return(imageIndexes);
});
return(testImageIndexes); // return all image name sets, one per imagetype
}
IEnumerable <string> CreateEncodingSet() // this method is used near line 53
{
var encodingImageTypes = EncodingImageTypes; // defined near line 24
var encodingImageIndexesRequests = encodingImageTypes.Select(x => new ImageIndexesRequest(x, _config.EncodingImageCountPerSubset));
var encodingSet = _imageIndexesGetter.Get(encodingImageIndexesRequests);
return(encodingSet); // return a single set of image names that contains X of each EncodingImageType (where x is defined in the config as EncodingImageCountPerSubset)
}
}
