Add Quality Estimation support

src/SIL.Machine/QualityEstimation/BookScores.cs

@@ -0,0 +1,29 @@
+using System.Collections.Generic;
+
+namespace SIL.Machine.QualityEstimation
+{
+    internal class BookScores
+    {
+        private readonly Dictionary<string, List<double>> _verseUsabilities = new Dictionary<string, List<double>>();
+
+        public readonly Dictionary<string, Score> Scores = new Dictionary<string, Score>();
+
+        public void AddScore(string book, Score score) => Scores[book] = score;
+
+        public Score GetScore(string book) => Scores.TryGetValue(book, out Score score) ? score : null;
+
+        public void AppendVerseUsability(string book, double usability)
+        {
+            if (!_verseUsabilities.TryGetValue(book, out List<double> list))
+            {
+                list = new List<double>();
+                _verseUsabilities[book] = list;
+            }
+
+            list.Add(usability);
+        }
+
+        public List<double> GetVerseUsabilities(string book) =>
+            _verseUsabilities.TryGetValue(book, out List<double> list) ? new List<double>(list) : new List<double>();
+    }
+}

src/SIL.Machine/QualityEstimation/BookUsability.cs

@@ -0,0 +1,13 @@
+namespace SIL.Machine.QualityEstimation
+{
+    public class BookUsability : UsabilityBase
+    {
+        public BookUsability(string book, UsabilityLabel label, double projectedChrF3, double usability)
+            : base(label, projectedChrF3, usability)
+        {
+            Book = book;
+        }
+
+        public string Book { get; }
+    }
+}

src/SIL.Machine/QualityEstimation/ChapterScores.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+
+namespace SIL.Machine.QualityEstimation
+{
+    internal class ChapterScores
+    {
+        private readonly Dictionary<string, Dictionary<int, List<double>>> _verseUsabilities =
+            new Dictionary<string, Dictionary<int, List<double>>>();
+
+        public readonly Dictionary<string, Dictionary<int, Score>> Scores =
+            new Dictionary<string, Dictionary<int, Score>>();
+
+        public void AddScore(string book, int chapter, Score score)
+        {
+            if (!Scores.TryGetValue(book, out Dictionary<int, Score> chapters))
+            {
+                chapters = new Dictionary<int, Score>();
+                Scores[book] = chapters;
+            }
+
+            chapters[chapter] = score;
+        }
+
+        public Score GetScore(string book, int chapter) =>
+            Scores.TryGetValue(book, out Dictionary<int, Score> chapters)
+            && chapters.TryGetValue(chapter, out Score score)
+                ? score
+                : null;
+
+        public void AppendVerseUsability(string book, int chapter, double usability)
+        {
+            if (!_verseUsabilities.TryGetValue(book, out Dictionary<int, List<double>> chapters))
+            {
+                chapters = new Dictionary<int, List<double>>();
+                _verseUsabilities[book] = chapters;
+            }
+
+            if (!chapters.TryGetValue(chapter, out List<double> list))
+            {
+                list = new List<double>();
+                chapters[chapter] = list;
+            }
+
+            list.Add(usability);
+        }
+
+        public List<double> GetVerseUsabilities(string book, int chapter) =>
+            _verseUsabilities.TryGetValue(book, out Dictionary<int, List<double>> chapters)
+            && chapters.TryGetValue(chapter, out List<double> list)
+                ? new List<double>(list)
+                : new List<double>();
+    }
+}

src/SIL.Machine/QualityEstimation/ChapterUsability.cs

@@ -0,0 +1,13 @@
+namespace SIL.Machine.QualityEstimation
+{
+    public class ChapterUsability : BookUsability
+    {
+        public ChapterUsability(string book, int chapter, UsabilityLabel label, double projectedChrF3, double usability)
+            : base(book, label, projectedChrF3, usability)
+        {
+            Chapter = chapter;
+        }
+
+        public int Chapter { get; }
+    }
+}