[#67] Elwig: Add OrganicService
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using Elwig.Helpers;
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using Elwig.Models.Entities;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Text.Json;
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using System.Text.Json.Nodes;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Web;
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namespace Elwig.Services {
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public static class OrganicService {
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public const string TRACES_API_URL = "https://webgate.ec.europa.eu/tracesnt/directory/publication/organic-operator/for/query";
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public const string TRACES_PDF_URL_PREFIX = "https://webgate.ec.europa.eu/tracesnt/directory/publication/organic-operator/digitally-signed/";
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public enum TracesStatus {
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ISSUED, SUSPENDED, WITHDRAWN, EXPIRED
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}
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public enum TracesActivity {
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PREPARATION, EXPORT, IMPORT, STORING, PRODUCTION, DISTRIBUTION, DISTRIBUTION_PLACING_ON_THE_MARKET
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}
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public enum TracesCategoryOfProduct {
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UNPROCESSED_PLANT_PRODUCTS_INCLUDING_SEEDS, LIVESTOCK_AND_UNPROCESSED_LIVESTOCK_PRODUCTS, ALGAE_AND_UNPROCESSED_AQUACULTURE_PRODUCTS,
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PROCESSED_AGRICULTURAL_PRODUCTS_INCLUDING_AQUACULTURE_FOR_USE_AS_FOOD, FEED, WINE, OTHER_PRODUCTS_NOT_COVERED_BY_PREVIOUS_CATEGORIES
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}
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public record TracesCertificate {
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public required string Id { get; init; }
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public required string AuthorityCode { get; init; }
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public required string OperatorId { get; init; }
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public required string OperatorName { get; init; }
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public required TracesActivity[] Activities { get; init; }
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public required TracesCategoryOfProduct[] CategoriesOfProduct { get; init; }
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public required DateOnly IssuedOn { get; init; }
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public required DateOnly ExpiresOn { get; init; }
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public required DateOnly LastStatusUpdateOn { get; init; }
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public required TracesStatus Status { get; init; }
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public string PdfUrl => TRACES_PDF_URL_PREFIX + Id + ".pdf";
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public bool IsValid => Status == TracesStatus.ISSUED && IssuedOn.ToDateTime(new()) <= DateTime.Today && ExpiresOn.ToDateTime(new()) >= DateTime.Today;
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public bool IsValidForWineProduction => IsValid && Activities.Contains(TracesActivity.PRODUCTION) &&
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(CategoriesOfProduct.Contains(TracesCategoryOfProduct.UNPROCESSED_PLANT_PRODUCTS_INCLUDING_SEEDS) || CategoriesOfProduct.Contains(TracesCategoryOfProduct.WINE));
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}
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private static readonly Dictionary<int, (DateTime Timestamp, TracesCertificate[] Certificates)> _memberCerts = [];
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public async static Task<TracesCertificate[]> GetTracesCertificates(Member m, bool? tryNameAndAddress = null) {
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if (_memberCerts.TryGetValue(m.MgNr, out var entry) && entry.Timestamp >= DateTime.Now.AddDays(-1))
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return entry.Certificates;
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var certs = await FetchTracesCertificates(m, tryNameAndAddress);
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_memberCerts[m.MgNr] = (DateTime.Now, certs);
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return certs;
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}
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private async static Task<JsonArray> TryFetchTracesCertificates(Dictionary<string, string> query) {
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var q = HttpUtility.ParseQueryString("");
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q.Add("sort", "-issuedOn");
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q.Add("countryCode", "AT");
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foreach (var (k, v) in query) {
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q.Add(k, v);
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}
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using var client = Utils.GetHttpClient();
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using var res = await client.GetAsync($"{TRACES_API_URL}?{q}");
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res.EnsureSuccessStatusCode();
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var resJson = JsonNode.Parse(await res.Content.ReadAsStringAsync());
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return resJson?.AsArray() ?? throw new JsonException();
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}
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public static Task<TracesCertificate[]> FetchTracesCertificates(Member m, bool? tryNameAndAddress = null) {
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return FetchTracesCertificates(m.OrganicOperatorId, m.LfbisNr,
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(tryNameAndAddress ?? m.IsOrganic) ? m.BillingAddress is BillingAddr a ?
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(a.FullName, a.Address, $"{a.PostalDest.AtPlz?.Plz}") :
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(m.FullName, m.Address, $"{m.PostalDest.AtPlz?.Plz}") :
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null);
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}
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public async static Task<TracesCertificate[]> FetchTracesCertificates(string? oocId = null, string? lfbisNr = null, (string Name, string Address, string PostalCode)? address = null) {
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bool searchedByName = false;
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JsonArray jsonCerts = [];
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if (jsonCerts.Count == 0 && oocId != null) {
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jsonCerts = await TryFetchTracesCertificates(new Dictionary<string, string> {
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{ "operatorIdentifierType", "ooc_identifier" },
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{ "operatorIdentifierSearchOperator", "STRICT" },
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{ "operatorIdentifier", oocId },
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});
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}
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if (jsonCerts.Count == 0 && lfbisNr != null) {
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jsonCerts = await TryFetchTracesCertificates(new Dictionary<string, string> {
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{ "operatorIdentifierType", "comp_reg" },
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{ "operatorIdentifierSearchOperator", "STRICT" },
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{ "operatorIdentifier", lfbisNr.TrimStart('0') },
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});
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}
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if (jsonCerts.Count == 0 && address != null) {
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var query = $"{Regex.Replace(address.Value.Name, @"\(.*?\)", "")} {address.Value.Address}";
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jsonCerts = await TryFetchTracesCertificates(new Dictionary<string, string> {
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{ "operatorPostalCode", address.Value.PostalCode },
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{ "query", query.Length > 40 ? query[..query.LastIndexOf(' ', 40)] : query },
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});
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searchedByName = true;
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}
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if (jsonCerts.Count == 0)
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return [];
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TracesCertificate[] certs = [.. jsonCerts.Select(j => new TracesCertificate {
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Id = j!["reference"]?.GetValue<string>() ?? throw new Exception(),
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AuthorityCode = j["issuingBody"]?["code"]?.GetValue<string>() ?? throw new Exception(),
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OperatorId = j["operatorIdentifier"]?.GetValue<string>() ?? throw new Exception(),
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OperatorName = j["operator"]?["name"]?.GetValue<string>() ?? throw new Exception(),
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Activities = [.. j["activities"]?.AsArray().Select(a => Enum.Parse<TracesActivity>(a?["id"]?.GetValue<string>().ToUpper().Replace("_IMPORT", "IMPORT") ?? throw new Exception())) ?? []],
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CategoriesOfProduct = [.. j["categoriesOfProduct"]?.AsArray().Select(c => Enum.Parse<TracesCategoryOfProduct>(c?["id"]?.GetValue<string>() ?? throw new Exception())) ?? []],
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IssuedOn = DateOnly.FromDateTime(DateTime.ParseExact(j["issuedOn"]?.GetValue<string>() ?? throw new Exception(), "yyyy-MM-ddTHH:mm:ss.fffK", CultureInfo.InvariantCulture, DateTimeStyles.None)),
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ExpiresOn = DateOnly.ParseExact(j["expiresOn"]?.GetValue<string>() ?? throw new Exception(), "yyyy-MM-dd"),
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LastStatusUpdateOn = DateOnly.FromDateTime(DateTime.ParseExact(j["lastStatusUpdateDateTime"]?.GetValue<string>() ?? throw new Exception(), "yyyy-MM-ddTHH:mm:ss.fffK", CultureInfo.InvariantCulture, DateTimeStyles.None)),
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Status = Enum.Parse<TracesStatus>(j["status"]?["id"]?.GetValue<string>() ?? throw new Exception()),
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})];
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return (!searchedByName || certs.Where(c => c.Status == TracesStatus.ISSUED).Select(c => c.OperatorId).ToHashSet().Count == 1) ? certs : [];
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}
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public static string? GetTracesSearchUrl(Member m, bool? tryNameAndAddress = null) {
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return GetTracesSearchUrl(m.OrganicOperatorId, m.LfbisNr,
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(tryNameAndAddress ?? m.IsOrganic) ? m.BillingAddress is BillingAddr a ?
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(a.FullName, a.Address, $"{a.PostalDest.AtPlz?.Plz}") :
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(m.FullName, m.Address, $"{m.PostalDest.AtPlz?.Plz}") :
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null);
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}
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public static string? GetTracesSearchUrl(string? oocId = null, string? lfbisNr = null, (string Name, string Address, string PostalCode)? address = null) {
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var baseUrl = "https://webgate.ec.europa.eu/tracesnt/directory/publication/organic-operator/index";
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if (oocId != null) {
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return $"{baseUrl}#!?countryCode=AT&operatorIdentifierType=ooc_identifier&operatorIdentifierSearchOperator=STRICT&operatorIdentifier={oocId}&states=ISSUED";
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} else if (lfbisNr != null) {
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return $"{baseUrl}#!?countryCode=AT&operatorIdentifierType=comp_reg&operatorIdentifierSearchOperator=STRICT&operatorIdentifier={lfbisNr.TrimStart('0')}&states=ISSUED";
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} else if (address != null) {
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return $"{baseUrl}#!?countryCode=AT&operatorPostalCode={address?.PostalCode}&query={address?.Name.Replace(' ', '+')}+{address?.Address.Replace(' ', '+')}&states=ISSUED";
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} else {
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return null;
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}
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}
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public static string? GetEasyCertSearchUrl(string lfbisNr) {
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var baseUrl = "https://www.easy-cert.com/htm/suchergebnis.htm";
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return $"{baseUrl}?CountryCode=AT&CustomerNumber={lfbisNr.TrimStart('0')}";
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}
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public static string? GetBiocSearchUrl(string lfbisNr) {
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var baseUrl = "https://www.bioc.info/search/producersearchresult";
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return $"{baseUrl}?producerSearch[country]=a1e51f85-27b5-a1e3-65f7-561569884d38&producerSearch[operatorId]={lfbisNr.TrimStart('0')}";
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}
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}
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}
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