Valters Melnalksnis
82 lines
2.8 KiB
C#
82 lines
2.8 KiB
C#
// Copyright 2022 Valters Melnalksnis
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// Licensed under the Apache License 2.0.
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// See LICENSE file in the project root for full license information.
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using System.Net.Http;
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using System.Net.Http.Json;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using System.Threading;
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using System.Threading.Tasks;
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using NodaTime;
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using NodaTime.Serialization.SystemTextJson;
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using VMelnalksnis.NordigenDotNet.Tokens;
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namespace VMelnalksnis.NordigenDotNet;
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/// <summary><see cref="HttpClient"/> wrapper that uses the correct serialization settings for all requests.</summary>
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public sealed class NordigenHttpClient
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{
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private readonly HttpClient _httpClient;
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private readonly NordigenOptions _nordigenOptions;
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private readonly JsonSerializerOptions _serializerOptions;
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private readonly TokenClient _tokenClient;
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/// <summary>Initializes a new instance of the <see cref="NordigenHttpClient"/> class.</summary>
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/// <param name="httpClient">Http client configured for making requests to the Nordigen API.</param>
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/// <param name="nordigenOptions">Options for connection to the Nordigen API.</param>
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/// <param name="dateTimeZoneProvider">Time zone provider for date and time serialization.</param>
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public NordigenHttpClient(
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HttpClient httpClient,
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NordigenOptions nordigenOptions,
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IDateTimeZoneProvider dateTimeZoneProvider)
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{
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_httpClient = httpClient;
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_nordigenOptions = nordigenOptions;
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_serializerOptions = new JsonSerializerOptions(JsonSerializerDefaults.Web)
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{
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Converters = { new JsonStringEnumConverter() },
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}.ConfigureForNodaTime(dateTimeZoneProvider);
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_tokenClient = new(httpClient);
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}
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internal async Task<TResult?> GetAsJson<TResult>(string requestUri, CancellationToken cancellationToken)
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{
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var client = await GetClient().ConfigureAwait(false);
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return await client.GetFromJsonAsync<TResult>(requestUri, _serializerOptions, cancellationToken)
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.ConfigureAwait(false);
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}
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internal async Task<TResult?> PostAsJson<TRequest, TResult>(string requestUri, TRequest request)
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{
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var client = await GetClient().ConfigureAwait(false);
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var response = await client.PostAsJsonAsync(requestUri, request, _serializerOptions).ConfigureAwait(false);
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return await response.Content.ReadFromJsonAsync<TResult>(_serializerOptions).ConfigureAwait(false);
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}
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internal async Task Delete(string requestUri)
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{
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var client = await GetClient().ConfigureAwait(false);
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await client.DeleteAsync(requestUri).ConfigureAwait(false);
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}
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private async Task<HttpClient> GetClient()
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{
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if (_httpClient.DefaultRequestHeaders.Authorization is not null)
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{
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return _httpClient;
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}
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var token = await _tokenClient
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.New(new(_nordigenOptions.SecretId, _nordigenOptions.SecretKey))
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.ConfigureAwait(false);
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_httpClient.DefaultRequestHeaders.Authorization = new("Bearer", token.Access);
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return _httpClient;
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}
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}
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