RequestParameters.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using RestSharp;
 
namespace AnalyzeRe.Rest
{
    public class RequestParameters : List<Parameter>
    {
        public RequestParameters(IEnumerable<Parameter> parameters = null)
        {
            if (parameters != null)
                AddRange(parameters);
        }
 
        [Obsolete("AddQueryParameter is now used to add a query (url) parameter. " +
            "The old behaviour of adding a ParameterType.GetOrPost parameter by default let to " +
            "unexpected behaviour at POST time. If you truly wish to use a GetOrPost parameter, " +
            "you may do so by using one of the explicit AddParameter overloads.")]
        public RequestParameters AddGetParameter(string name, string value) => AddQueryParameter(name, value);
 
        public RequestParameters AddQueryParameter(string name, string value)
        {
            return String.IsNullOrEmpty(value) ? this :
                AddParameter(name, value, ParameterType.QueryString);
        }
 
        public RequestParameters AddHeader(string name, string value = null)
        {
            return AddParameter(name, value, ParameterType.HttpHeader);
        }
 
        public RequestParameters AddParameter(Parameter parameter)
        {
            if (parameter == null)
                throw new NullReferenceException(nameof(parameter));
            Add(parameter);
            return this;
        }
 
        public RequestParameters AddParameter(string name, object value, ParameterType type,
            string contentType = null)
        {
            Add(new Parameter { Name = name, Value = value, Type = type, ContentType = contentType });
            return this;
        }
 
        public RequestParameters AddParameters(IEnumerable<Parameter> collection)
        {
            if (collection != null)
                AddRange(collection);
            return this;
        }
 
        public string GetHashString()
        {
            return String.Join("&", this.OrderBy(p => p.Name)
                .Select(p => $"{p.Name}={p.Value}"));
        }
    }
}