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Initializing BasePagingViewModels from cookie

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This commit is contained in:
rockstardev
2020-07-30 09:10:10 -05:00
parent 19ffd031ec
commit 77f5d0be35
5 changed files with 48 additions and 56 deletions
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44
BTCPayServer/Extensions/ControllerBaseExtensions.cs
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@@ -1,33 +1,37 @@
using System;
using System.Reflection;
using BTCPayServer.Models;
using BTCPayServer.Models.InvoicingModels;
using BTCPayServer.Models.PaymentRequestViewModels;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
namespace BTCPayServer
{
public static class ControllerBaseExtensions
{
public static void InvoicesQuery(this ControllerBase ctrl, ref string searchTerm, ref int? timezoneOffset)
{
ListCookiePreference.Parse(ctrl, "InvoicesQuery", ref searchTerm, ref timezoneOffset);
}
public static void PaymentRequestsQuery(this ControllerBase ctrl, ref string searchTerm, ref int? timezoneOffset)
{
ListCookiePreference.Parse(ctrl, "PaymentRequestsQuery", ref searchTerm, ref timezoneOffset);
}
}
// Classes here remember users preferences on certain pages and store them in unified blob cookie "UserPreferCookie"
class ListCookiePreference
public static class ControllerBaseExtension
{
internal static void Parse(ControllerBase ctrl, string propName,
ref string searchTerm, ref int? timezoneOffset)
public static T ParseListQuery<T>(this ControllerBase ctrl, T model) where T : BasePagingViewModel
{
PropertyInfo prop;
if (model is InvoicesModel)
prop = typeof(UserPrefsCookie).GetProperty(nameof(UserPrefsCookie.InvoicesQuery));
else if (model is ListPaymentRequestsViewModel)
prop = typeof(UserPrefsCookie).GetProperty(nameof(UserPrefsCookie.PaymentRequestsQuery));
else
throw new Exception("Unsupported BasePagingViewModel for cookie user preferences saving");
return ProcessParse(ctrl, model, prop);
}
private static T ProcessParse<T>(ControllerBase ctrl, T model, PropertyInfo prop) where T : BasePagingViewModel
{
var prop = typeof(UserPrefsCookie).GetProperty(propName);
var prefCookie = parsePrefCookie(ctrl);
// If the user enter an empty searchTerm, then the variable will be null and not empty string
// but we want searchTerm to be null only if the user is browsing the page via some link
// NOT if the user entered some empty search
var searchTerm = model.SearchTerm;
searchTerm = searchTerm is string ? searchTerm :
ctrl.Request.Query.ContainsKey(nameof(searchTerm)) ? string.Empty :
null;
@@ -36,15 +40,17 @@ namespace BTCPayServer
var section = prop.GetValue(prefCookie) as ListQueryDataHolder;
if (section != null && !String.IsNullOrEmpty(section.SearchTerm))
{
searchTerm = section.SearchTerm;
timezoneOffset = section.TimezoneOffset ?? 0;
model.SearchTerm = section.SearchTerm;
model.TimezoneOffset = section.TimezoneOffset ?? 0;
}
}
else
{
prop.SetValue(prefCookie, new ListQueryDataHolder(searchTerm, timezoneOffset));
prop.SetValue(prefCookie, new ListQueryDataHolder(model.SearchTerm, model.TimezoneOffset));
ctrl.Response.Cookies.Append(nameof(UserPrefsCookie), JsonConvert.SerializeObject(prefCookie));
}
return model;
}
private static UserPrefsCookie parsePrefCookie(ControllerBase ctrl)