public static StimulusDigest ToStimulusDigest(
ItemMetadata itemMetadata,
ItemContents itemContents)
{
if (itemMetadata == null)
{
throw new ArgumentNullException(nameof(itemMetadata));
}
if (itemMetadata.Metadata == null)
{
throw new ArgumentNullException(nameof(itemMetadata.Metadata));
}
if (itemContents == null)
{
throw new ArgumentNullException(nameof(itemContents));
}
if (itemContents.Passage == null)
{
throw new ArgumentNullException(nameof(itemContents.Passage));
}
StimulusDigest digest = new StimulusDigest()
{
ItemKey = itemContents.Passage.ItemKey,
BankKey = itemContents.Passage.ItemBank,
Contents = itemContents.Passage.Contents,
};
return(digest);
}
/// <summary>
/// Digests a collection of ItemMetadata objects and a collection of ItemContents objects into a collection of ItemDigest objects.
/// Matches the ItemMetadata and ItemContents objects based on their ItemKey fields.
/// </summary>
public static IReadOnlyCollection <ItemDigest> ToItemDigests(
IReadOnlyCollection <ItemMetadata> itemMetadata,
IReadOnlyCollection <ItemContents> itemContents,
AppSettings settings)
{
BlockingCollection <ItemDigest> digests = new BlockingCollection <ItemDigest>();
Parallel.ForEach(itemMetadata, metadata =>
{
if (metadata.Metadata?.InteractionType == "Stimulus")
{
return;
}
var matchingItems = itemContents.Where(c => c.Item?.ItemKey == metadata.Metadata?.ItemKey);
var itemsCount = matchingItems.Count();
var stimContents = itemContents.FirstOrDefault(c => metadata.Metadata?.AssociatedStimulus == c.Passage?.ItemKey);
var stimMeta = itemMetadata.FirstOrDefault(c => metadata.Metadata?.AssociatedStimulus == c.Metadata?.ItemKey);
StimulusDigest stimDigest = null;
if (stimContents != null && stimMeta != null)
{
stimDigest = ToStimulusDigest(stimMeta, stimContents);
}
if (itemsCount == 1)
{
ItemDigest itemDigest = ToItemDigest(metadata, matchingItems.First(), settings, stimDigest);
digests.Add(itemDigest);
}
else if (itemsCount > 1)
{
throw new SampleItemsContextException("Multiple ItemContents with ItemKey: " + metadata.Metadata.ItemKey + " found.");
}
});
return(digests);
}
/// <summary>
/// Translates metadata, itemcontents and lookups to item digest
/// </summary>
public static ItemDigest ToItemDigest(
ItemMetadata itemMetadata,
ItemContents itemContents,
AppSettings settings,
StimulusDigest stimulusDigest = null)
{
if (itemMetadata == null)
{
throw new ArgumentNullException(nameof(itemMetadata));
}
if (itemMetadata.Metadata == null)
{
throw new ArgumentNullException(nameof(itemMetadata.Metadata));
}
if (itemContents == null)
{
throw new ArgumentNullException(nameof(itemContents));
}
if (itemContents.Item == null)
{
throw new ArgumentNullException(nameof(itemContents.Item));
}
if (itemContents.Item.ItemKey != itemMetadata.Metadata.ItemKey)
{
throw new SampleItemsContextException("Cannot digest items with different ItemKey values.\n"
+ $"Content Item Key: {itemContents.Item.ItemKey} Metadata Item Key:{itemMetadata.Metadata.ItemKey}");
}
string itemType = itemContents.Item.ItemType ?? string.Empty;
string interactionCode = itemMetadata.Metadata.InteractionType ?? string.Empty;
var oldToNewInteraction = settings?.SettingsConfig?.OldToNewInteractionType;
if (oldToNewInteraction != null && oldToNewInteraction.ContainsKey(itemType))
{
settings.SettingsConfig.OldToNewInteractionType.TryGetValue(itemType, out itemType);
}
if (oldToNewInteraction != null && oldToNewInteraction.ContainsKey(interactionCode))
{
settings.SettingsConfig.OldToNewInteractionType.TryGetValue(interactionCode, out interactionCode);
}
ItemDigest digest = new ItemDigest()
{
ItemType = itemType,
ItemKey = itemContents.Item.ItemKey,
BankKey = itemContents.Item.ItemBank,
TargetAssessmentType = itemMetadata.Metadata.TargetAssessmentType,
SufficentEvidenceOfClaim = itemMetadata.Metadata.SufficientEvidenceOfClaim,
AssociatedStimulus = itemMetadata.Metadata.AssociatedStimulus,
AslSupported = itemMetadata.Metadata.AccessibilityTagsASLLanguage.AslSupportedStringToBool(),
AllowCalculator = itemMetadata.Metadata.AllowCalculator == "Y",
DepthOfKnowledge = itemMetadata.Metadata.DepthOfKnowledge,
Contents = itemContents.Item.Contents,
InteractionTypeCode = interactionCode,
AssociatedPassage = itemContents.Item.AssociatedPassage,
GradeCode = itemMetadata.Metadata.GradeCode,
MaximumNumberOfPoints = itemMetadata.Metadata.MaximumNumberOfPoints,
StandardPublications = itemMetadata.Metadata.StandardPublications,
SubjectCode = itemMetadata.Metadata.SubjectCode,
ItemMetadataAttributes = itemContents.Item.ItemMetadataAttributes,
StimulusDigest = stimulusDigest,
SmarterAppItemDescriptor = itemMetadata.Metadata.SmarterAppItemDescriptor
};
return(digest);
}