153 lines
3.7 KiB
C#
153 lines
3.7 KiB
C#
using System.Reflection;
|
|
using System.Text;
|
|
using System.Text.Json.Serialization;
|
|
using System.Text.RegularExpressions;
|
|
using Microsoft.AspNetCore.Mvc;
|
|
|
|
namespace WatchIt.Common.Query;
|
|
|
|
public abstract class QueryParameters
|
|
{
|
|
#region PROPERTIES
|
|
|
|
[FromQuery(Name = "order_by")]
|
|
public string? OrderBy { get; set; }
|
|
|
|
[FromQuery(Name = "order")]
|
|
public string? Order { get; set; }
|
|
|
|
[FromQuery(Name = "first")]
|
|
public int? First { get; set; }
|
|
|
|
[FromQuery(Name = "after")]
|
|
public int? After { get; set; }
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
#region PUBLIC METHODS
|
|
|
|
public override string ToString()
|
|
{
|
|
List<string> queries = new List<string>();
|
|
PropertyInfo[] properties = this.GetType().GetProperties();
|
|
foreach (PropertyInfo property in properties)
|
|
{
|
|
object? value = property.GetValue(this);
|
|
FromQueryAttribute? attribute = property.GetCustomAttributes<FromQueryAttribute>(true).FirstOrDefault();
|
|
if (value is not null && attribute is not null)
|
|
{
|
|
string query = $"{attribute.Name}={value}";
|
|
queries.Add(query);
|
|
}
|
|
}
|
|
|
|
return $"?{string.Join('&', queries)}";
|
|
}
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
#region PRIVATE METHODS
|
|
|
|
protected static bool TestBoolean(bool property, bool? query) =>
|
|
(
|
|
query is null
|
|
||
|
|
property == query
|
|
);
|
|
|
|
protected static bool TestString(string? property, string? regexQuery) =>
|
|
(
|
|
string.IsNullOrEmpty(regexQuery)
|
|
||
|
|
(
|
|
!string.IsNullOrEmpty(property)
|
|
&&
|
|
new Regex(regexQuery).IsMatch(property)
|
|
)
|
|
);
|
|
|
|
protected static bool TestComparable(IComparable? property, IComparable? exact, IComparable? from, IComparable? to) =>
|
|
(
|
|
(
|
|
exact is null
|
|
||
|
|
(
|
|
property is not null
|
|
&&
|
|
property.CompareTo(exact) == 0
|
|
)
|
|
)
|
|
&&
|
|
(
|
|
from is null
|
|
||
|
|
(
|
|
property is not null
|
|
&&
|
|
property.CompareTo(from) > 0
|
|
)
|
|
)
|
|
&&
|
|
(
|
|
to is null
|
|
||
|
|
(
|
|
property is not null
|
|
&&
|
|
property.CompareTo(to) < 0
|
|
)
|
|
)
|
|
);
|
|
|
|
#endregion
|
|
}
|
|
|
|
|
|
|
|
public abstract class QueryParameters<T> : QueryParameters where T : class
|
|
{
|
|
#region PUBLIC METHODS
|
|
|
|
public abstract bool IsMeetingConditions(T item);
|
|
|
|
public IEnumerable<T> PrepareData(IEnumerable<T> data)
|
|
{
|
|
data = data.Where(IsMeetingConditions);
|
|
|
|
if (OrderBy is not null)
|
|
{
|
|
PropertyInfo[] properties = typeof(T).GetProperties();
|
|
foreach (PropertyInfo property in properties)
|
|
{
|
|
JsonPropertyNameAttribute? attribute = property.GetCustomAttributes<JsonPropertyNameAttribute>(true).FirstOrDefault();
|
|
if (attribute is not null && attribute.Name == OrderBy)
|
|
{
|
|
if (Order == "asc")
|
|
{
|
|
data = data.OrderBy(property.GetValue);
|
|
}
|
|
else
|
|
{
|
|
data = data.OrderByDescending(property.GetValue);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (After is not null)
|
|
{
|
|
data = data.Skip(After.Value);
|
|
}
|
|
if (First is not null)
|
|
{
|
|
data = data.Take(First.Value);
|
|
}
|
|
return data;
|
|
}
|
|
|
|
#endregion
|
|
} |