Polish 7 (#3381)
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26 changed files with 1631 additions and 212 deletions
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@ -113,109 +113,55 @@ public static class QueryableExtensions
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return condition ? queryable.Where(predicate) : queryable;
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}
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public static IQueryable<T> WhereLike<T>(this IQueryable<T> queryable, bool condition, Expression<Func<T, string>> propertySelector, string searchQuery)
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where T : class
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{
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if (!condition || string.IsNullOrEmpty(searchQuery)) return queryable;
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var method = typeof(DbFunctionsExtensions).GetMethod(nameof(DbFunctionsExtensions.Like), new[] { typeof(DbFunctions), typeof(string), typeof(string) });
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var dbFunctions = typeof(EF).GetMethod(nameof(EF.Functions))?.Invoke(null, null);
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var searchExpression = Expression.Constant($"%{searchQuery}%");
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var likeExpression = Expression.Call(method, Expression.Constant(dbFunctions), propertySelector.Body, searchExpression);
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var lambda = Expression.Lambda<Func<T, bool>>(likeExpression, propertySelector.Parameters[0]);
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return queryable.Where(lambda);
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}
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public static IQueryable<T> WhereGreaterThan<T>(this IQueryable<T> source,
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Expression<Func<T, float>> selector,
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float value,
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float tolerance = DefaultTolerance)
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float value)
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{
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var parameter = selector.Parameters[0];
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var propertyAccess = selector.Body;
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// Absolute difference comparison: (propertyAccess - value) > tolerance
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var difference = Expression.Subtract(propertyAccess, Expression.Constant(value));
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var absoluteDifference = Expression.Condition(
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Expression.LessThan(difference, Expression.Constant(0f)),
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Expression.Negate(difference),
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difference);
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var greaterThanExpression = Expression.GreaterThan(propertyAccess, Expression.Constant(value));
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var toleranceExpression = Expression.GreaterThan(absoluteDifference, Expression.Constant(tolerance));
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var combinedExpression = Expression.AndAlso(greaterThanExpression, toleranceExpression);
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var lambda = Expression.Lambda<Func<T, bool>>(combinedExpression, parameter);
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var lambda = Expression.Lambda<Func<T, bool>>(greaterThanExpression, parameter);
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return source.Where(lambda);
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}
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public static IQueryable<T> WhereGreaterThanOrEqual<T>(this IQueryable<T> source,
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Expression<Func<T, float>> selector,
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float value,
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float tolerance = DefaultTolerance)
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float value)
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{
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var parameter = selector.Parameters[0];
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var propertyAccess = selector.Body;
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var difference = Expression.Subtract(propertyAccess, Expression.Constant(value));
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var absoluteDifference = Expression.Condition(
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Expression.LessThan(difference, Expression.Constant(0f)),
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Expression.Negate(difference),
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difference);
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var greaterThanOrEqualExpression = Expression.GreaterThanOrEqual(propertyAccess, Expression.Constant(value));
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var toleranceExpression = Expression.GreaterThanOrEqual(absoluteDifference, Expression.Constant(tolerance));
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var combinedExpression = Expression.AndAlso(greaterThanOrEqualExpression, toleranceExpression);
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var lambda = Expression.Lambda<Func<T, bool>>(combinedExpression, parameter);
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var greaterThanExpression = Expression.GreaterThanOrEqual(propertyAccess, Expression.Constant(value));
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var lambda = Expression.Lambda<Func<T, bool>>(greaterThanExpression, parameter);
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return source.Where(lambda);
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}
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public static IQueryable<T> WhereLessThan<T>(this IQueryable<T> source,
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Expression<Func<T, float>> selector,
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float value,
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float tolerance = DefaultTolerance)
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float value)
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{
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var parameter = selector.Parameters[0];
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var propertyAccess = selector.Body;
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var difference = Expression.Subtract(propertyAccess, Expression.Constant(value));
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var absoluteDifference = Expression.Condition(
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Expression.LessThan(difference, Expression.Constant(0f)),
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Expression.Negate(difference),
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difference);
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var lessThanExpression = Expression.LessThan(propertyAccess, Expression.Constant(value));
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var toleranceExpression = Expression.LessThan(absoluteDifference, Expression.Constant(tolerance));
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var combinedExpression = Expression.AndAlso(lessThanExpression, toleranceExpression);
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var lambda = Expression.Lambda<Func<T, bool>>(combinedExpression, parameter);
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var lambda = Expression.Lambda<Func<T, bool>>(lessThanExpression, parameter);
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return source.Where(lambda);
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}
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public static IQueryable<T> WhereLessThanOrEqual<T>(this IQueryable<T> source,
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Expression<Func<T, float>> selector,
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float value,
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float tolerance = DefaultTolerance)
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float value)
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{
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var parameter = selector.Parameters[0];
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var propertyAccess = selector.Body;
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var difference = Expression.Subtract(propertyAccess, Expression.Constant(value));
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var absoluteDifference = Expression.Condition(
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Expression.LessThan(difference, Expression.Constant(0f)),
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Expression.Negate(difference),
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difference);
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var lessThanOrEqualExpression = Expression.LessThanOrEqual(propertyAccess, Expression.Constant(value));
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var toleranceExpression = Expression.LessThanOrEqual(absoluteDifference, Expression.Constant(tolerance));
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var combinedExpression = Expression.AndAlso(lessThanOrEqualExpression, toleranceExpression);
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var lambda = Expression.Lambda<Func<T, bool>>(combinedExpression, parameter);
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var lambda = Expression.Lambda<Func<T, bool>>(lessThanOrEqualExpression, parameter);
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return source.Where(lambda);
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}
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