FichaBackend/FichaBackend/Services/IAdminService.cs

using AutoMapper;
using FichaBackend.Models;
using FichaBackend.Models.DTO;
using Microsoft.EntityFrameworkCore;

namespace FichaBackend.Services;

public interface IAdminService
{
    public Task AddMuseum(MuseumDto museumDto);
    public Task<string> AddGuidePerson(GuideDto guideDto);
    public Task<string> AddHotel(HotelDto hotelDto);
    public Task<string> AddAttraction(AttractionDto attractionDto);
}

public class AdminService : IAdminService
{
    private readonly DatabaseContext _databaseContext;
    private readonly IMapper _mapper;

    public AdminService(DatabaseContext databaseContext, IMapper mapper)
    {
        _databaseContext = databaseContext;
        _mapper = mapper;
    }

    public async Task AddMuseum(MuseumDto museumDto)
    {
        City c = await _databaseContext.Cities.FirstOrDefaultAsync(x => x.Name.ToLower() == museumDto.City.ToLower());
        if (c==null)
            return;
        
        Museum m = new();
        m.Name = museumDto.Name;
        m.City = c;
        m.Price = museumDto.Price;
        m.Latitude = museumDto.Latitude;
        m.Longtitude = museumDto.Longtitude;
        m.Address = museumDto.Address;
        await _databaseContext.Museums.AddAsync(m);
        await _databaseContext.SaveChangesAsync();
    }

    public async Task<string> AddGuidePerson(GuideDto guideDto)
    {
        Guide g = new();
        g.City = new List<City>();
        foreach (var city in guideDto.City)
        {
            var c = await _databaseContext.Cities.FirstOrDefaultAsync(x => x.Name.ToLower() == city.ToLower());
            if (c==null)
                return $"City {city} not exist";
            g.City.Append(c);
        }
        g.Rating = guideDto.Rating;
        g.PhoneNumber = guideDto.PhoneNumber;
        g.ContactUrl = guideDto.ContactUrl;
        g.FullName = guideDto.FullName;
        
        await _databaseContext.Guides.AddAsync(g);
        await _databaseContext.SaveChangesAsync();
        return "OK";
    }

    public async Task<string> AddHotel(HotelDto hotelDto)
    {
        var c = await _databaseContext.Cities.FirstOrDefaultAsync(x => x.Name.ToLower() == hotelDto.City.ToLower());
        if (c==null)
            return $"City {c} not exist";
        
        Hotel h = new();
        h.Name = hotelDto.Name;
        h.City = hotelDto.City;
        h.Price = hotelDto.Price;
        h.Address = hotelDto.Address;
        h.ImageURL = hotelDto.ImageURL;
        await _databaseContext.Hotels.AddAsync(h);
        await _databaseContext.SaveChangesAsync();
        return "OK";
    }

    public async Task<string> AddAttraction(AttractionDto attractionDto)
    {
        var c = await _databaseContext.Cities.FirstOrDefaultAsync(x => x.Name.ToLower() == attractionDto.City.ToLower());
        if (c==null)
            return $"City {c} not exist";
        
        Attraction h = new();
        h.Name = attractionDto.Name;
        h.City = attractionDto.City;
        h.Address = attractionDto.Address;
        h.ImageURL = attractionDto.ImageURL;
        await _databaseContext.Attractions.AddAsync(h);
        await _databaseContext.SaveChangesAsync();
        return "OK";
    }
}