LivreLand/JsonReader/BookJsonReader.cs

102 lines
4.3 KiB

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