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Joe Milazzo 2024-11-20 07:17:36 -06:00 committed by GitHub
parent cb810a2d8f
commit 3e3b6ba92b
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26 changed files with 1631 additions and 212 deletions

View file

@ -14,6 +14,7 @@ namespace API.Extensions.QueryExtensions.Filtering;
public static class SeriesFilter
{
private const float FloatingPointTolerance = 0.001f;
public static IQueryable<Series> HasLanguage(this IQueryable<Series> queryable, bool condition,
FilterComparison comparison, IList<string> languages)
{
@ -255,7 +256,8 @@ public static class SeriesFilter
.Where(s => s.Progress != null)
.Select(s => new
{
Series = s,
SeriesId = s.Id,
SeriesName = s.Name,
Percentage = s.Progress
.Where(p => p != null && p.AppUserId == userId)
.Sum(p => p != null ? (p.PagesRead * 1.0f / s.Pages) : 0f) * 100f
@ -298,7 +300,7 @@ public static class SeriesFilter
throw new ArgumentOutOfRangeException(nameof(comparison), comparison, null);
}
var ids = subQuery.Select(s => s.Series.Id).ToList();
var ids = subQuery.Select(s => s.SeriesId);
return queryable.Where(s => ids.Contains(s.Id));
}
@ -312,7 +314,8 @@ public static class SeriesFilter
.Include(s => s.ExternalSeriesMetadata)
.Select(s => new
{
Series = s,
SeriesId = s.Id,
SeriesName = s.Name,
AverageRating = s.ExternalSeriesMetadata.AverageExternalRating
})
.AsSplitQuery()
@ -354,7 +357,7 @@ public static class SeriesFilter
throw new ArgumentOutOfRangeException(nameof(comparison), comparison, null);
}
var ids = subQuery.Select(s => s.Series.Id).ToList();
var ids = subQuery.Select(s => s.SeriesId);
return queryable.Where(s => ids.Contains(s.Id));
}
@ -372,7 +375,8 @@ public static class SeriesFilter
.Where(s => s.Progress != null)
.Select(s => new
{
Series = s,
SeriesId = s.Id,
SeriesName = s.Name,
MaxDate = s.Progress.Where(p => p != null && p.AppUserId == userId)
.Select(p => (DateTime?) p.LastModified)
.DefaultIfEmpty()
@ -420,7 +424,7 @@ public static class SeriesFilter
throw new ArgumentOutOfRangeException(nameof(comparison), comparison, null);
}
var ids = subQuery.Select(s => s.Series.Id).ToList();
var ids = subQuery.Select(s => s.SeriesId);
return queryable.Where(s => ids.Contains(s.Id));
}
@ -434,7 +438,8 @@ public static class SeriesFilter
.Where(s => s.Progress != null)
.Select(s => new
{
Series = s,
SeriesId = s.Id,
SeriesName = s.Name,
MaxDate = s.Progress.Where(p => p != null && p.AppUserId == userId)
.Select(p => (DateTime?) p.LastModified)
.DefaultIfEmpty()
@ -480,7 +485,7 @@ public static class SeriesFilter
throw new ArgumentOutOfRangeException(nameof(comparison), comparison, null);
}
var ids = subQuery.Select(s => s.Series.Id).ToList();
var ids = subQuery.Select(s => s.SeriesId);
return queryable.Where(s => ids.Contains(s.Id));
}

View file

@ -113,109 +113,55 @@ public static class QueryableExtensions
return condition ? queryable.Where(predicate) : queryable;
}
public static IQueryable<T> WhereLike<T>(this IQueryable<T> queryable, bool condition, Expression<Func<T, string>> propertySelector, string searchQuery)
where T : class
{
if (!condition || string.IsNullOrEmpty(searchQuery)) return queryable;
var method = typeof(DbFunctionsExtensions).GetMethod(nameof(DbFunctionsExtensions.Like), new[] { typeof(DbFunctions), typeof(string), typeof(string) });
var dbFunctions = typeof(EF).GetMethod(nameof(EF.Functions))?.Invoke(null, null);
var searchExpression = Expression.Constant($"%{searchQuery}%");
var likeExpression = Expression.Call(method, Expression.Constant(dbFunctions), propertySelector.Body, searchExpression);
var lambda = Expression.Lambda<Func<T, bool>>(likeExpression, propertySelector.Parameters[0]);
return queryable.Where(lambda);
}
public static IQueryable<T> WhereGreaterThan<T>(this IQueryable<T> source,
Expression<Func<T, float>> selector,
float value,
float tolerance = DefaultTolerance)
float value)
{
var parameter = selector.Parameters[0];
var propertyAccess = selector.Body;
// Absolute difference comparison: (propertyAccess - value) > tolerance
var difference = Expression.Subtract(propertyAccess, Expression.Constant(value));
var absoluteDifference = Expression.Condition(
Expression.LessThan(difference, Expression.Constant(0f)),
Expression.Negate(difference),
difference);
var greaterThanExpression = Expression.GreaterThan(propertyAccess, Expression.Constant(value));
var toleranceExpression = Expression.GreaterThan(absoluteDifference, Expression.Constant(tolerance));
var combinedExpression = Expression.AndAlso(greaterThanExpression, toleranceExpression);
var lambda = Expression.Lambda<Func<T, bool>>(combinedExpression, parameter);
var lambda = Expression.Lambda<Func<T, bool>>(greaterThanExpression, parameter);
return source.Where(lambda);
}
public static IQueryable<T> WhereGreaterThanOrEqual<T>(this IQueryable<T> source,
Expression<Func<T, float>> selector,
float value,
float tolerance = DefaultTolerance)
float value)
{
var parameter = selector.Parameters[0];
var propertyAccess = selector.Body;
var difference = Expression.Subtract(propertyAccess, Expression.Constant(value));
var absoluteDifference = Expression.Condition(
Expression.LessThan(difference, Expression.Constant(0f)),
Expression.Negate(difference),
difference);
var greaterThanOrEqualExpression = Expression.GreaterThanOrEqual(propertyAccess, Expression.Constant(value));
var toleranceExpression = Expression.GreaterThanOrEqual(absoluteDifference, Expression.Constant(tolerance));
var combinedExpression = Expression.AndAlso(greaterThanOrEqualExpression, toleranceExpression);
var lambda = Expression.Lambda<Func<T, bool>>(combinedExpression, parameter);
var greaterThanExpression = Expression.GreaterThanOrEqual(propertyAccess, Expression.Constant(value));
var lambda = Expression.Lambda<Func<T, bool>>(greaterThanExpression, parameter);
return source.Where(lambda);
}
public static IQueryable<T> WhereLessThan<T>(this IQueryable<T> source,
Expression<Func<T, float>> selector,
float value,
float tolerance = DefaultTolerance)
float value)
{
var parameter = selector.Parameters[0];
var propertyAccess = selector.Body;
var difference = Expression.Subtract(propertyAccess, Expression.Constant(value));
var absoluteDifference = Expression.Condition(
Expression.LessThan(difference, Expression.Constant(0f)),
Expression.Negate(difference),
difference);
var lessThanExpression = Expression.LessThan(propertyAccess, Expression.Constant(value));
var toleranceExpression = Expression.LessThan(absoluteDifference, Expression.Constant(tolerance));
var combinedExpression = Expression.AndAlso(lessThanExpression, toleranceExpression);
var lambda = Expression.Lambda<Func<T, bool>>(combinedExpression, parameter);
var lambda = Expression.Lambda<Func<T, bool>>(lessThanExpression, parameter);
return source.Where(lambda);
}
public static IQueryable<T> WhereLessThanOrEqual<T>(this IQueryable<T> source,
Expression<Func<T, float>> selector,
float value,
float tolerance = DefaultTolerance)
float value)
{
var parameter = selector.Parameters[0];
var propertyAccess = selector.Body;
var difference = Expression.Subtract(propertyAccess, Expression.Constant(value));
var absoluteDifference = Expression.Condition(
Expression.LessThan(difference, Expression.Constant(0f)),
Expression.Negate(difference),
difference);
var lessThanOrEqualExpression = Expression.LessThanOrEqual(propertyAccess, Expression.Constant(value));
var toleranceExpression = Expression.LessThanOrEqual(absoluteDifference, Expression.Constant(tolerance));
var combinedExpression = Expression.AndAlso(lessThanOrEqualExpression, toleranceExpression);
var lambda = Expression.Lambda<Func<T, bool>>(combinedExpression, parameter);
var lambda = Expression.Lambda<Func<T, bool>>(lessThanOrEqualExpression, parameter);
return source.Where(lambda);
}