chore: initial git load of code space
This commit is contained in:
Thom Lamb
@@ -0,0 +1,474 @@
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using Strata.SqlTools.SqlBreakdown.Interfaces.Core;
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using System.Collections;
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using System.Globalization;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace Strata.SqlTools.SqlBreakdown.Expressions;
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/// <summary>
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/// Represents a reference to a property from an input data source, typically used for
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/// dynamic data binding in query construction. Used when building queries that reference
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/// external data sources by GUID identifiers.
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/// </summary>
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/// <remarks>
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/// This expression type is used in scenarios where data comes from registered data
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/// sources (like data tables or dimensions) that are identified by GUIDs. The
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/// expression can reference a primary data source and optionally a secondary data source
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/// for hierarchical or relational lookups.
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/// </remarks>
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/// <example>
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/// <code language="csharp">
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/// // Reference a simple property from a data source
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/// var patientName = new InputPropertyExpression(
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/// dataSourceGuid: Guid.Parse("41639c8f-fecf-4449-b6e6-53f796c0c3e4"),
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/// dataKeyLookup: "PatientName"
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/// );
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///
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/// // Reference a property with a secondary data source (dimension lookup)
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/// var patientType = new InputPropertyExpression(
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/// dataSourceGuid: Guid.Parse("41639c8f-fecf-4449-b6e6-53f796c0c3e4"),
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/// secondaryDataSource: Guid.Parse("6ef6b1f7-a50c-4198-8866-140bb82e2dda"),
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/// dataKeyLookup: "PatientTypeRollupName"
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/// );
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/// </code>
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/// </example>
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public class InputPropertyExpression : Expression
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{
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/// <summary>
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/// Gets the GUID identifier of the primary data source.
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/// </summary>
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/// <value>
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/// The data source GUID, typically representing a data table or primary data entity.
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/// </value>
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/// <example>
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/// 41639c8f-fecf-4449-b6e6-53f796c0c3e4 - the data table id of PES
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/// </example>
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public Guid DataSourceGuid { get; }
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/// <summary>
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/// Gets the optional GUID identifier of a secondary data source.
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/// </summary>
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/// <value>
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/// The secondary data source GUID, typically representing a dimension or lookup table.
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/// Null if no secondary source is required.
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/// </value>
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/// <example>
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/// 6ef6b1f7-a50c-4198-8866-140bb82e2dda - the dimension id of the Patient Type
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/// Rollup dimension
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/// </example>
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public Guid? SecondaryDataSource { get; }
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/// <summary>
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/// Gets the key name used to look up the data value.
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/// </summary>
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/// <value>
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/// The property or column name within the data source.
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/// </value>
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/// <example>"PatientTypeRollupName"</example>
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public string DataKeyLookup { get; }
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/// <summary>
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/// Initializes a new instance of the <see cref="InputPropertyExpression"/> class
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/// with a primary data source.
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/// </summary>
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/// <param name="dataSourceGuid">The GUID of the primary data source.</param>
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/// <param name="dataKeyLookup">The key name for data lookup.</param>
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/// <remarks>
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/// Example:
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/// <code language="csharp">
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/// var property = new InputPropertyExpression(
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/// Guid.Parse("41639c8f-fecf-4449-b6e6-53f796c0c3e4"),
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/// "PatientName");
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/// </code>
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/// </remarks>
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public InputPropertyExpression(Guid dataSourceGuid, string dataKeyLookup) : this(dataSourceGuid, null, dataKeyLookup)
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{
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="InputPropertyExpression"/> class
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/// with primary and optional secondary data sources.
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/// </summary>
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/// <param name="dataSourceGuid">The GUID of the primary data source.</param>
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/// <param name="secondaryDataSource">
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/// The optional GUID of the secondary data source.
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/// </param>
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/// <param name="dataKeyLookup">The key name for data lookup.</param>
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/// <remarks>
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/// Example with secondary data source:
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/// <code language="csharp">
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/// var property = new InputPropertyExpression(
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/// Guid.Parse("41639c8f-fecf-4449-b6e6-53f796c0c3e4"),
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/// Guid.Parse("6ef6b1f7-a50c-4198-8866-140bb82e2dda"),
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/// "PatientTypeRollupName");
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/// </code>
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/// </remarks>
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public InputPropertyExpression(Guid dataSourceGuid, Guid? secondaryDataSource, string dataKeyLookup)
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{
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DataSourceGuid = dataSourceGuid;
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SecondaryDataSource = secondaryDataSource;
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DataKeyLookup = dataKeyLookup;
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}
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public override T Accept<T>(IVisitor<T> visitor)
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{
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return visitor.VisitInputPropertyExpression(this);
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}
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}
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public class CollectionInputPropertyExpression : InputPropertyExpression
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{
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public CollectionInputPropertyExpression(Guid dataSourceGuid, Guid secondaryDataSource, string dataKeyLookup)
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: base(dataSourceGuid, secondaryDataSource, dataKeyLookup)
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{
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}
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public InputPropertyExpression? ItemProperty { get; }
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public override T Accept<T>(IVisitor<T> visitor)
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{
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throw new NotImplementedException();
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}
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}
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public interface IFlatData : IDictionary<string, object>
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{
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string RowIdKey { get; }
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long RowId { get; }
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}
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public class MyFlatData : Dictionary<string, object>, IFlatData
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{
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private readonly Lazy<long> _rowId;
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public MyFlatData() : this(new Dictionary<string, object>())
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{
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}
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public MyFlatData(IDictionary<string, object> rawData) : this(rawData, "RowID")
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{
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}
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public MyFlatData(IDictionary<string, object> rawData, string rowIdKey) : base(rawData)
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{
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RowIdKey = rowIdKey;
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_rowId = new Lazy<long>(() => this.GetValue<long>(RowIdKey), false);
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}
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public string RowIdKey { get; }
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public long RowId => _rowId.Value;
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}
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public class FlatData : IFlatData
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{
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private readonly IDictionary<string, object> _data;
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private readonly Lazy<long> _rowId;
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public FlatData() : this(new Dictionary<string, object>(), "RowID")
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{
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}
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public FlatData(IDictionary<string, object> rawData, string rowIdKey)
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{
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_data = rawData;
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RowIdKey = rowIdKey;
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_rowId = new Lazy<long>(() => this.GetValue<long>(RowIdKey), false);
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}
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public string RowIdKey { get; }
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public long RowId => _rowId.Value;
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public IEnumerator<KeyValuePair<string, object>> GetEnumerator()
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{
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return _data.GetEnumerator();
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return ((IEnumerable)_data).GetEnumerator();
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}
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public void Add(KeyValuePair<string, object> item)
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{
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_data.Add(item);
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}
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public void Clear()
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{
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_data.Clear();
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}
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public bool Contains(KeyValuePair<string, object> item)
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{
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return _data.Contains(item);
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}
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public void CopyTo(KeyValuePair<string, object>[] array, int arrayIndex)
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{
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_data.CopyTo(array, arrayIndex);
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}
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public bool Remove(KeyValuePair<string, object> item)
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{
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return _data.Remove(item);
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}
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public int Count => _data.Count;
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public bool IsReadOnly { get; }
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public void Add(string key, object value)
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{
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_data.Add(key, value);
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}
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public bool ContainsKey(string key)
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{
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return _data.ContainsKey(key);
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}
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public bool Remove(string key)
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{
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throw new NotImplementedException();
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}
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public bool TryGetValue(string key, out object value)
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{
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return _data.TryGetValue(key, out value!);
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}
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public IEnumerable<string> Keys => _data.Keys;
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ICollection<object> IDictionary<string, object>.Values => _data.Values;
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ICollection<string> IDictionary<string, object>.Keys => _data.Keys;
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public IEnumerable<object> Values => _data.Values;
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public object this[string key]
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{
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get => _data[key];
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set => _data[key] = value;
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}
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}
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public static class FlatDataUtils
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{
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private static readonly IFormatProvider _culture = new CultureInfo("en-US");
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public static object GetValue(this IFlatData data, string key)
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{
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if (data == null)
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{
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throw new ArgumentNullException(nameof(data));
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}
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if (!data.ContainsKey(key))
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{
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throw new ArgumentException(
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$"The specified key is not available. Requested key: [{key}] Available keys: [{string.Join(", ", data.Keys)}]",
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nameof(key));
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}
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var rawValue = data[key];
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return rawValue;
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}
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public static TValue GetValue<TValue>(this IFlatData data, string key)
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{
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var rawValue = data.GetValue(key);
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var convertedValue = (TValue)Convert.ChangeType(rawValue, typeof(TValue), _culture);
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return convertedValue;
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}
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public static IEnumerable<long> GetRowIds(this IEnumerable<IFlatData> data)
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{
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return data.Select(x => x.RowId);
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}
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}
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public interface IHierarchicalData
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{
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/// <summary>
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/// The DataSource for this level of the Hierarchy
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/// </summary>
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Guid DataSourceGuid { get; }
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/// <summary>
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/// The Data at this level of the Hierarchy
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/// </summary>
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IFlatData Data { get; set; }
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/// <summary>
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/// Returns all Child Data across all DataSources, or an empty collection if there is no Child Data
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/// </summary>
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IEnumerable<IHierarchicalData> AllChildData { get; set; }
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/// <summary>
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/// Checks if this record has Child Data for a particular DataSource
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/// </summary>
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/// <param name="dataSourceGuid">The DataSource to check</param>
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/// <returns>True if any Child Data exists for the DataSource</returns>
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bool HasChildData(Guid dataSourceGuid);
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/// <summary>
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/// Returns the Child Data for the given DataSource
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/// </summary>
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/// <param name="dataSourceGuid">DataSource identifier for the child data</param>
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/// <returns>The Child Data or an empty collection if no child data is set for the DataSource</returns>
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IEnumerable<IHierarchicalData> GetChildData(Guid dataSourceGuid);
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/// <summary>
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/// Attempts to add Child Data. Will check if child data exists before adding.
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/// </summary>
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/// <param name="datasourceGuid">DataSource identifier for the child data</param>
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/// <param name="data">The Child Data to Add to the Record</param>
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/// <returns>False if child data exists and was not overriden</returns>
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bool TryAddChildData(Guid datasourceGuid, IEnumerable<IHierarchicalData> data);
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/// <summary>
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/// Add Child Data, will override any existing Child Data for the DataSource
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/// </summary>
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/// <param name="datasourceGuid">DataSource identifier for the child data</param>
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/// <param name="data">The Child Data to Add to the Record</param>
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void SetChildData(Guid datasourceGuid, IEnumerable<IHierarchicalData> data);
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}
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public class HierarchicalData : IHierarchicalData
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{
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private Dictionary<Guid, List<IHierarchicalData>> _childDataMap;
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[JsonConstructor]
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public HierarchicalData() : this(Guid.Empty, default!, new List<IHierarchicalData>())
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{
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}
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public HierarchicalData(Guid dataSourceGuid, IFlatData rootData) : this(dataSourceGuid, rootData,
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new List<IHierarchicalData>())
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{
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}
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public HierarchicalData(Guid dataSourceGuid, IFlatData rootData, IEnumerable<IHierarchicalData> childData)
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{
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DataSourceGuid = dataSourceGuid;
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Data = rootData;
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_childDataMap = childData.GroupBy(x => x.DataSourceGuid).ToDictionary(x => x.Key, x => x.ToList());
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}
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public Guid DataSourceGuid { get; set; }
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public IFlatData Data { get; set; }
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public IEnumerable<IHierarchicalData> AllChildData
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{
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get => _childDataMap.SelectMany(x => x.Value).ToList();
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set => _childDataMap = value.GroupBy(x => x.DataSourceGuid).ToDictionary(x => x.Key, x => x.ToList());
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}
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public bool HasChildData(Guid dataSourceGuid)
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{
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return _childDataMap.ContainsKey(dataSourceGuid);
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}
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public IEnumerable<IHierarchicalData> GetChildData(Guid dataSourceGuid)
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{
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if (HasChildData(dataSourceGuid))
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{
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return _childDataMap[dataSourceGuid];
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}
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return new List<IHierarchicalData>();
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}
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public bool TryAddChildData(Guid datasourceGuid, IEnumerable<IHierarchicalData> data)
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{
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if (_childDataMap.ContainsKey(datasourceGuid))
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{
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return false;
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}
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_childDataMap[datasourceGuid] = data.ToList();
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return true;
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}
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public void SetChildData(Guid datasourceGuid, IEnumerable<IHierarchicalData> data)
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{
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_childDataMap[datasourceGuid] = data.ToList();
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}
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public override string? ToString()
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{
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if (Data?.ContainsKey("DimPatientEnEncounterID") ?? false)
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{
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return Data["DimPatientEnEncounterID"].ToString();
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}
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return base.ToString();
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}
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}
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#region Json Converters
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public class HierarchicalDataConverter : JsonConverter<IHierarchicalData>
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{
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public override IHierarchicalData? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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return JsonSerializer.Deserialize<HierarchicalData>(ref reader, options);
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}
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public override void Write(Utf8JsonWriter writer, IHierarchicalData value, JsonSerializerOptions options)
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{
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throw new NotImplementedException();
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}
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}
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public class FlatDataConverter : JsonConverter<IFlatData>
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{
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public override IFlatData? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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return JsonSerializer.Deserialize<MyFlatData>(ref reader, options);
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}
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public override void Write(Utf8JsonWriter writer, IFlatData value, JsonSerializerOptions options)
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{
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throw new NotImplementedException();
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}
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}
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public class ObjectToInferredTypesConverter : JsonConverter<object>
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{
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public override object Read(
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ref Utf8JsonReader reader,
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Type typeToConvert,
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JsonSerializerOptions options) => reader.TokenType switch
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{
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JsonTokenType.True => true,
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JsonTokenType.False => false,
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JsonTokenType.Number when reader.TryGetInt64(out long l) => l,
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JsonTokenType.Number => reader.GetDouble(),
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JsonTokenType.String when reader.TryGetDateTime(out DateTime datetime) => datetime,
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JsonTokenType.String => reader.GetString()!,
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_ => JsonDocument.ParseValue(ref reader).RootElement.Clone()
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};
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public override void Write(
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Utf8JsonWriter writer,
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object objectToWrite,
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JsonSerializerOptions options) =>
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JsonSerializer.Serialize(writer, objectToWrite, objectToWrite.GetType(), options);
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}
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#endregion
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