Conditions - Finished list support

This commit is contained in:
Robert committed 2020-09-21 20:22:11 +02:00
1 parent 0537adc27a
commit 693ea29600
11 files changed
+192 -197

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@@ -84,6 +84,5 @@ namespace Artemis.Core
}
#endregion
}
}
@@ -43,6 +43,16 @@ namespace Artemis.Core
/// </summary>
public ListOperator ListOperator { get; set; }
/// <summary>
/// Gets the type of the content of the list this predicate is evaluated on
/// </summary>
public Type ListType { get; set; }
/// <summary>
/// Gets whether the list contains primitives
/// </summary>
public bool IsPrimitiveList { get; set; }
/// <summary>
/// Gets the currently used instance of the list data model
/// </summary>
@@ -87,19 +97,21 @@ namespace Artemis.Core
if (dataModel != null)
{
if (!dataModel.ContainsPath(path))
throw new ArtemisCoreException($"Data model of type {dataModel.GetType().Name} does not contain a property at path '{path}'");
if (dataModel.GetListTypeAtPath(path) == null)
throw new ArtemisCoreException($"The path '{path}' does not contain a list");
var listType = dataModel.GetListTypeAtPath(path);
if (listType == null)
throw new ArtemisCoreException($"Data model of type {dataModel.GetType().Name} does not contain a list at path '{path}'");
ListType = listType;
IsPrimitiveList = listType.IsPrimitive || listType.IsEnum || listType == typeof(string);
ListDataModel = dataModel;
ListPropertyPath = path;
}
// Remove the old root group that was tied to the old data model
while (Children.Any())
RemoveChild(Children[0]);
ListDataModel = dataModel;
ListPropertyPath = path;
if (dataModel == null)
return;
@@ -178,16 +190,25 @@ namespace Artemis.Core
if (Entity.ListDataModelGuid == null)
return;
// Get the data model and ensure the path is valid
// Get the data model ...
var dataModel = DataModelStore.Get(Entity.ListDataModelGuid.Value)?.DataModel;
if (dataModel == null || !dataModel.ContainsPath(Entity.ListPropertyPath))
if (dataModel == null)
return;
// ... and ensure the path is valid
var listType = dataModel.GetListTypeAtPath(Entity.ListPropertyPath);
if (listType == null)
return;
// Populate properties and create the accessor expression
ListType = listType;
IsPrimitiveList = listType.IsPrimitive || listType.IsEnum || listType == typeof(string);
ListDataModel = dataModel;
ListPropertyPath = Entity.ListPropertyPath;
CreateExpression();
if (ListDataModel == null)
return;
// There should only be one child and it should be a group
if (Entity.Children.SingleOrDefault() is DataModelConditionGroupEntity rootGroup)
AddChild(new DataModelConditionGroup(this, rootGroup));
@@ -51,24 +51,9 @@ namespace Artemis.Core
public ConditionOperator Operator { get; private set; }
/// <summary>
/// Gets the type of the content of the list this predicate is evaluated on
/// Gets the data model condition list this predicate belongs to
/// </summary>
public Type ListType { get; private set; }
/// <summary>
/// Gets whether the list contains primitives
/// </summary>
public bool IsPrimitiveList { get; private set; }
/// <summary>
/// Gets the currently used instance of the list data model
/// </summary>
public DataModel ListDataModel { get; private set; }
/// <summary>
/// Gets the path of the list property in the <see cref="ListDataModel" />
/// </summary>
public string ListPropertyPath { get; private set; }
public DataModelConditionList DataModelConditionList { get; private set; }
/// <summary>
/// Gets the path of the left property in the <see cref="ListType" />
@@ -108,10 +93,10 @@ namespace Artemis.Core
/// <param name="path">The path pointing to the left side value inside the list</param>
public void UpdateLeftSide(string path)
{
if (IsPrimitiveList)
if (DataModelConditionList.IsPrimitiveList)
throw new ArtemisCoreException("Cannot apply a left side to a predicate inside a primitive list");
if (!ListContainsInnerPath(path))
throw new ArtemisCoreException($"List type {ListType.Name} does not contain path {path}");
throw new ArtemisCoreException($"List type {DataModelConditionList.ListType.Name} does not contain path {path}");
LeftPropertyPath = path;
@@ -128,9 +113,9 @@ namespace Artemis.Core
public void UpdateRightSideDynamic(string path)
{
if (!ListContainsInnerPath(path))
throw new ArtemisCoreException($"List type {ListType.Name} does not contain path {path}");
throw new ArtemisCoreException($"List type {DataModelConditionList.ListType.Name} does not contain path {path}");
PredicateType = ListRightSideType.Dynamic;
PredicateType = ListRightSideType.DynamicList;
RightPropertyPath = path;
CreateExpression();
@@ -155,7 +140,7 @@ namespace Artemis.Core
throw new ArtemisCoreException($"Data model of type {dataModel.GetType().Name} does not contain a property at path '{path}'");
}
PredicateType = ListRightSideType.DynamicExternal;
PredicateType = ListRightSideType.Dynamic;
RightDataModel = dataModel;
RightPropertyPath = path;
@@ -214,11 +199,11 @@ namespace Artemis.Core
/// <param name="path">The path to evaluate</param>
public bool ListContainsInnerPath(string path)
{
if (ListType == null)
if (DataModelConditionList.ListType == null)
return false;
var parts = path.Split('.');
var current = ListType;
var current = DataModelConditionList.ListType;
foreach (var part in parts)
{
var property = current.GetProperty(part);
@@ -236,8 +221,6 @@ namespace Artemis.Core
/// <inheritdoc />
protected override void Dispose(bool disposing)
{
DataModelStore.DataModelAdded -= DataModelStoreOnDataModelAdded;
DataModelStore.DataModelRemoved -= DataModelStoreOnDataModelRemoved;
ConditionOperatorStore.ConditionOperatorAdded -= ConditionOperatorStoreOnConditionOperatorAdded;
ConditionOperatorStore.ConditionOperatorRemoved -= ConditionOperatorStoreOnConditionOperatorRemoved;
@@ -246,70 +229,13 @@ namespace Artemis.Core
#endregion
internal void ApplyParentList()
{
var current = Parent;
while (current != null)
{
if (current is DataModelConditionList parentList)
{
UpdateList(parentList.ListDataModel, parentList.ListPropertyPath);
return;
}
current = current.Parent;
}
}
internal void UpdateList(DataModel dataModel, string path)
{
if (dataModel != null && path == null)
throw new ArtemisCoreException("If a data model is provided, a path is also required");
if (dataModel == null && path != null)
throw new ArtemisCoreException("If path is provided, a data model is also required");
if (dataModel != null)
{
var listType = dataModel.GetListTypeAtPath(path);
if (listType == null)
throw new ArtemisCoreException($"Data model of type {dataModel.GetType().Name} does not contain a list at path '{path}'");
ListType = listType;
IsPrimitiveList = listType.IsPrimitive || listType.IsEnum || listType == typeof(string);
}
else
{
ListType = null;
IsPrimitiveList = true;
}
ListDataModel = dataModel;
ListPropertyPath = path;
if (LeftPropertyPath != null && !ListContainsInnerPath(LeftPropertyPath))
LeftPropertyPath = null;
if (RightPropertyPath != null && !ListContainsInnerPath(RightPropertyPath))
RightPropertyPath = null;
CreateExpression();
}
/// <summary>
/// Evaluates the condition part on the given target
/// </summary>
/// <param name="target">
/// An instance of the list described in <see cref="ListDataModel" /> and
/// <see cref="ListPropertyPath" />
/// </param>
internal override bool EvaluateObject(object target)
{
if (PredicateType == ListRightSideType.Static && CompiledListPredicate != null)
return CompiledListPredicate(target);
if (PredicateType == ListRightSideType.Dynamic && CompiledListPredicate != null)
if (PredicateType == ListRightSideType.DynamicList && CompiledListPredicate != null)
return CompiledListPredicate(target);
if (PredicateType == ListRightSideType.DynamicExternal && CompiledExternalListPredicate != null)
if (PredicateType == ListRightSideType.Dynamic && CompiledExternalListPredicate != null)
return CompiledExternalListPredicate(target, RightDataModel);
return false;
@@ -321,7 +247,7 @@ namespace Artemis.Core
return null;
var parts = path.Split('.');
var current = ListType;
var current = DataModelConditionList.ListType;
Type result = null;
foreach (var part in parts)
@@ -337,12 +263,6 @@ namespace Artemis.Core
internal override void Save()
{
Entity.PredicateType = (int) PredicateType;
if (ListDataModel != null)
{
Entity.ListDataModelGuid = ListDataModel.PluginInfo.Guid;
Entity.ListPropertyPath = ListPropertyPath;
}
Entity.LeftPropertyPath = LeftPropertyPath;
Entity.RightDataModelGuid = RightDataModel?.PluginInfo?.Guid;
@@ -361,10 +281,33 @@ namespace Artemis.Core
return Entity;
}
private void ApplyParentList()
{
var current = Parent;
while (current != null)
{
if (current is DataModelConditionList parentList)
{
DataModelConditionList = parentList;
if (LeftPropertyPath != null && !ListContainsInnerPath(LeftPropertyPath))
LeftPropertyPath = null;
if (RightPropertyPath != null && !ListContainsInnerPath(RightPropertyPath))
RightPropertyPath = null;
return;
}
current = current.Parent;
}
if (DataModelConditionList == null)
throw new ArtemisCoreException("This data model condition list predicate does not belong to a data model condition list");
}
private void Initialize()
{
DataModelStore.DataModelAdded += DataModelStoreOnDataModelAdded;
DataModelStore.DataModelRemoved += DataModelStoreOnDataModelRemoved;
ConditionOperatorStore.ConditionOperatorAdded += ConditionOperatorStoreOnConditionOperatorAdded;
ConditionOperatorStore.ConditionOperatorRemoved += ConditionOperatorStoreOnConditionOperatorRemoved;
@@ -381,18 +324,18 @@ namespace Artemis.Core
}
// Right side dynamic
if (PredicateType == ListRightSideType.Dynamic && Entity.RightPropertyPath != null)
{
if (ListContainsInnerPath(Entity.RightPropertyPath))
UpdateRightSideDynamic(Entity.RightPropertyPath);
}
// Right side dynamic using an external data model
else if (PredicateType == ListRightSideType.Dynamic && Entity.RightDataModelGuid != null && Entity.RightPropertyPath != null)
if (PredicateType == ListRightSideType.Dynamic && Entity.RightDataModelGuid != null && Entity.RightPropertyPath != null)
{
var dataModel = DataModelStore.Get(Entity.RightDataModelGuid.Value)?.DataModel;
if (dataModel != null && dataModel.ContainsPath(Entity.RightPropertyPath))
UpdateRightSideDynamic(dataModel, Entity.RightPropertyPath);
}
// Right side dynamic inside the list
else if (PredicateType == ListRightSideType.DynamicList && Entity.RightPropertyPath != null)
{
if (ListContainsInnerPath(Entity.RightPropertyPath))
UpdateRightSideDynamic(Entity.RightPropertyPath);
}
// Right side static
else if (PredicateType == ListRightSideType.Static && Entity.RightStaticValue != null)
{
@@ -438,10 +381,10 @@ namespace Artemis.Core
return;
// If the operator does not support a right side, create a static expression because the right side will simply be null
if (PredicateType == ListRightSideType.Dynamic && Operator.SupportsRightSide)
if (PredicateType == ListRightSideType.DynamicList && Operator.SupportsRightSide)
CreateDynamicListExpression();
else if (PredicateType == ListRightSideType.Dynamic && Operator.SupportsRightSide)
CreateDynamicExpression();
else if (PredicateType == ListRightSideType.DynamicExternal && Operator.SupportsRightSide)
CreateDynamicExternalExpression();
else
CreateStaticExpression();
}
@@ -460,15 +403,6 @@ namespace Artemis.Core
{
var leftSideType = GetTypeAtInnerPath(LeftPropertyPath);
if (PredicateType == ListRightSideType.Dynamic)
{
if (RightPropertyPath == null)
return;
var rightSideType = GetTypeAtInnerPath(RightPropertyPath);
if (!leftSideType.IsCastableFrom(rightSideType))
UpdateRightSideDynamic(null);
}
else if (PredicateType == ListRightSideType.DynamicExternal)
{
if (RightDataModel == null)
return;
@@ -477,6 +411,15 @@ namespace Artemis.Core
if (!leftSideType.IsCastableFrom(rightSideType))
UpdateRightSideDynamic(null, null);
}
else if (PredicateType == ListRightSideType.DynamicList)
{
if (RightPropertyPath == null)
return;
var rightSideType = GetTypeAtInnerPath(RightPropertyPath);
if (!leftSideType.IsCastableFrom(rightSideType))
UpdateRightSideDynamic(null);
}
else
{
if (RightStaticValue != null && leftSideType.IsCastableFrom(RightStaticValue.GetType()))
@@ -509,7 +452,7 @@ namespace Artemis.Core
RightStaticValue = null;
}
private void CreateDynamicExpression()
private void CreateDynamicListExpression()
{
if (LeftPropertyPath == null || RightPropertyPath == null || Operator == null)
return;
@@ -529,7 +472,7 @@ namespace Artemis.Core
CompiledListPredicate = lambda.Compile();
}
private void CreateDynamicExternalExpression()
private void CreateDynamicExpression()
{
if (LeftPropertyPath == null || RightPropertyPath == null || RightDataModel == null || Operator == null)
return;
@@ -551,12 +494,14 @@ namespace Artemis.Core
private void CreateStaticExpression()
{
if (!IsPrimitiveList && LeftPropertyPath == null || Operator == null)
if (!DataModelConditionList.IsPrimitiveList && LeftPropertyPath == null || Operator == null)
return;
// List accessors share the same parameter because a list always contains one item per entry
var leftSideParameter = Expression.Parameter(typeof(object), "listItem");
var leftSideAccessor = IsPrimitiveList ? Expression.Convert(leftSideParameter, ListType) : CreateListAccessor(LeftPropertyPath, leftSideParameter);
var leftSideAccessor = DataModelConditionList.IsPrimitiveList
? Expression.Convert(leftSideParameter, DataModelConditionList.ListType)
: CreateListAccessor(LeftPropertyPath, leftSideParameter);
// If the left side is a value type but the input is empty, this isn't a valid expression
if (leftSideAccessor.Type.IsValueType && RightStaticValue == null)
@@ -575,7 +520,7 @@ namespace Artemis.Core
private Expression CreateListAccessor(string path, ParameterExpression listParameter)
{
return path.Split('.').Aggregate<string, Expression>(
Expression.Convert(listParameter, ListType), // Cast to the appropriate type
Expression.Convert(listParameter, DataModelConditionList.ListType), // Cast to the appropriate type
Expression.Property
);
}
@@ -595,31 +540,6 @@ namespace Artemis.Core
#region Event handlers
private void DataModelStoreOnDataModelAdded(object sender, DataModelStoreEvent e)
{
var dataModel = e.Registration.DataModel;
if (dataModel.PluginInfo.Guid == Entity.ListDataModelGuid && dataModel.ContainsPath(Entity.ListPropertyPath))
UpdateList(dataModel, Entity.LeftPropertyPath);
if (dataModel.PluginInfo.Guid == Entity.RightDataModelGuid && dataModel.ContainsPath(Entity.RightPropertyPath))
UpdateRightSideDynamic(dataModel, Entity.RightPropertyPath);
}
private void DataModelStoreOnDataModelRemoved(object sender, DataModelStoreEvent e)
{
if (ListDataModel == e.Registration.DataModel)
{
CompiledListPredicate = null;
CompiledExternalListPredicate = null;
ListDataModel = null;
}
if (RightDataModel == e.Registration.DataModel)
{
CompiledExternalListPredicate = null;
RightDataModel = null;
}
}
private void ConditionOperatorStoreOnConditionOperatorAdded(object sender, ConditionOperatorStoreEvent e)
{
var conditionOperator = e.Registration.ConditionOperator;
@@ -649,13 +569,13 @@ namespace Artemis.Core
Static,
/// <summary>
/// A dynamic right side value based on a path in the list
/// A dynamic right side value based on a path in a data model
/// </summary>
Dynamic,
/// <summary>
/// A dynamic right side value based on a path in a data model
/// A dynamic right side value based on a path in the list
/// </summary>
DynamicExternal
DynamicList
}
}
@@ -29,7 +29,6 @@ namespace Artemis.Core
_logger.Warning(
exception,
"Failed to deserialize display condition list predicate {list} => {left} {operator} {right}",
dataModelConditionPredicate.Entity.ListPropertyPath,
dataModelConditionPredicate.Entity.LeftPropertyPath,
dataModelConditionPredicate.Entity.OperatorType,
dataModelConditionPredicate.Entity.RightPropertyPath