102 lines
4.3 KiB
102 lines
4.3 KiB
using LibraryDTO;
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using Newtonsoft.Json.Linq;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace JsonReader
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{
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public static class BookJsonReader
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{
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static Dictionary<string, Languages> languages = new Dictionary<string, Languages>()
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{
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[@"/languages/fre"] = Languages.French,
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[@"/languages/eng"] = Languages.English,
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["fre"] = Languages.French,
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["eng"] = Languages.English,
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[""] = Languages.Unknown
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};
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public static BookDTO ReadBook(string json)
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{
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JObject o = JObject.Parse(json);
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var l = o["languages"]?.FirstOrDefault("");
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Languages lang = l != null ? languages[(string)l["key"]] : Languages.Unknown;
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//List<Tuple<string, CultureInfo>> pubDateFormat =new List<Tuple<string, CultureInfo>>()
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//{
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// Tuple.Create("d MMMM yyyy", CultureInfo.GetCultureInfo("fr-FR")),
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// Tuple.Create("MMM dd, yyyy", CultureInfo.InvariantCulture)
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//};
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//DateTime? publishDate = null;
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//foreach(var format in pubDateFormat)
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//{
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// if(DateTime.TryParseExact((string)o["publish_date"], format.Item1, format.Item2, DateTimeStyles.None, out DateTime readDate))
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// {
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// publishDate = readDate;
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// break;
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// }
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//}
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//if(!publishDate.HasValue)
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//{
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// publishDate = new DateTime((int)o["publish_date"], 12, 31);
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//}
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DateTime? publishDate = AuthorJsonReader.ReadDate((string)o["publish_date"]);
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BookDTO book = new BookDTO
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{
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Id = (string)o["key"],
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Title = (string)o["title"],
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Publishers = o["publishers"].Select(p => (string)p).ToList(),
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PublishDate = publishDate.GetValueOrDefault(DateTime.Now),
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ISBN13 = (string)o["isbn_13"][0],
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NbPages = o["number_of_pages"] != null ? (int)o["number_of_pages"] : -1,
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Language = lang,
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Format = o.TryGetValue("physical_format", out JToken? f) ? (string)f : null,
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Works = o["works"].Select(w => new WorkDTO { Id = (string)w["key"] }).ToList(),
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Contributors = o.TryGetValue("contributors", out JToken? contr) ? contr.Select(c => new ContributorDTO { Name = (string)c["name"], Role = (string)c["role"] }).ToList() : new List<ContributorDTO>(),
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Authors = o["authors"]?.Select(a => new AuthorDTO { Id = (string)a["key"] }).ToList()
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};
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if (book.Authors == null)
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{
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book.Authors = new List<AuthorDTO>();
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}
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return book;
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}
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public static Tuple<long, IEnumerable<BookDTO>> GetBooksByAuthor(string json)
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{
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JObject o = JObject.Parse(json);
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long numFound = (long)o["numFound"];
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var books = o["docs"].Select(doc => new BookDTO
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{
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Id = (string)(doc["seed"].First()),
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Title = (string)doc["title"],
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ISBN13 = (string)(doc["isbn"].First()),
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Authors = doc["seed"].Where(s => ((string)s).StartsWith("/authors/"))
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.Select(s => new AuthorDTO { Id = (string)s }).ToList(),
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Language = languages.GetValueOrDefault((string)(doc["language"].First()))
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});
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return Tuple.Create(numFound, books);
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}
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public static Tuple<long, IEnumerable<BookDTO>> GetBooksByTitle(string json)
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{
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JObject o = JObject.Parse(json);
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long numFound = (long)o["numFound"];
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var books = o["docs"].Select(doc => new BookDTO
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{
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Id = (string)(doc["seed"].First()),
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Title = (string)doc["title"],
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ISBN13 = (string)(doc["isbn"].First()),
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Authors = doc["seed"].Where(s => ((string)s).StartsWith("/authors/"))
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.Select(s => new AuthorDTO { Id = (string)s }).ToList(),
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Language = languages.GetValueOrDefault((string)(doc["language"].First()))
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});
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return Tuple.Create(numFound, books);
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}
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}
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}
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