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using Nop.Core;
using Nop.Core.Domain.Polls;
using Nop.Data;
using Nop.Services.Stores;
namespace Nop.Services.Polls;
///
/// Poll service
///
public partial class PollService : IPollService
{
#region Fields
protected readonly IRepository _pollRepository;
protected readonly IRepository _pollAnswerRepository;
protected readonly IRepository _pollVotingRecordRepository;
protected readonly IStoreMappingService _storeMappingService;
#endregion
#region Ctor
public PollService(
IRepository pollRepository,
IRepository pollAnswerRepository,
IRepository pollVotingRecordRepository,
IStoreMappingService storeMappingService)
{
_pollRepository = pollRepository;
_pollAnswerRepository = pollAnswerRepository;
_pollVotingRecordRepository = pollVotingRecordRepository;
_storeMappingService = storeMappingService;
}
#endregion
#region Methods
///
/// Gets a poll
///
/// The poll identifier
///
/// A task that represents the asynchronous operation
/// The task result contains the poll
///
public virtual async Task GetPollByIdAsync(int pollId)
{
return await _pollRepository.GetByIdAsync(pollId, cache => default);
}
///
/// Gets polls
///
/// The store identifier; pass 0 to load all records
/// Language identifier; pass 0 to load all records
/// Whether to show hidden records (not published, not started and expired)
/// Retrieve only shown on home page polls
/// The poll system keyword; pass null to load all records
/// Page index
/// Page size
///
/// A task that represents the asynchronous operation
/// The task result contains the polls
///
public virtual async Task> GetPollsAsync(int storeId, int languageId = 0, bool showHidden = false,
bool loadShownOnHomepageOnly = false, string systemKeyword = null,
int pageIndex = 0, int pageSize = int.MaxValue)
{
var query = _pollRepository.Table;
if (!showHidden || storeId > 0)
{
//apply store mapping constraints
query = await _storeMappingService.ApplyStoreMapping(query, storeId);
}
//whether to load not published, not started and expired polls
if (!showHidden)
{
var utcNow = DateTime.UtcNow;
query = query.Where(poll => poll.Published);
query = query.Where(poll => !poll.StartDateUtc.HasValue || poll.StartDateUtc <= utcNow);
query = query.Where(poll => !poll.EndDateUtc.HasValue || poll.EndDateUtc >= utcNow);
}
//load homepage polls only
if (loadShownOnHomepageOnly)
query = query.Where(poll => poll.ShowOnHomepage);
//filter by language
if (languageId > 0)
query = query.Where(poll => poll.LanguageId == languageId);
//filter by system keyword
if (!string.IsNullOrEmpty(systemKeyword))
query = query.Where(poll => poll.SystemKeyword == systemKeyword);
//order records by display order
query = query.OrderBy(poll => poll.DisplayOrder).ThenBy(poll => poll.Id);
//return paged list of polls
return await query.ToPagedListAsync(pageIndex, pageSize);
}
///
/// Deletes a poll
///
/// The poll
/// A task that represents the asynchronous operation
public virtual async Task DeletePollAsync(Poll poll)
{
await _pollRepository.DeleteAsync(poll);
}
///
/// Inserts a poll
///
/// Poll
/// A task that represents the asynchronous operation
public virtual async Task InsertPollAsync(Poll poll)
{
await _pollRepository.InsertAsync(poll);
}
///
/// Updates the poll
///
/// Poll
/// A task that represents the asynchronous operation
public virtual async Task UpdatePollAsync(Poll poll)
{
await _pollRepository.UpdateAsync(poll);
}
///
/// Gets a poll answer
///
/// Poll answer identifier
///
/// A task that represents the asynchronous operation
/// The task result contains the poll answer
///
public virtual async Task GetPollAnswerByIdAsync(int pollAnswerId)
{
return await _pollAnswerRepository.GetByIdAsync(pollAnswerId, cache => default);
}
///
/// Deletes a poll answer
///
/// Poll answer
/// A task that represents the asynchronous operation
public virtual async Task DeletePollAnswerAsync(PollAnswer pollAnswer)
{
await _pollAnswerRepository.DeleteAsync(pollAnswer);
}
///
/// Gets a poll answers by parent poll
///
/// The poll identifier
/// Poll answer
/// Page index
/// Page size
/// A task that represents the asynchronous operation
public virtual async Task> GetPollAnswerByPollAsync(int pollId, int pageIndex = 0, int pageSize = int.MaxValue)
{
var query = _pollAnswerRepository.Table.Where(pa => pa.PollId == pollId);
//order records by display order
query = query.OrderBy(pa => pa.DisplayOrder).ThenBy(pa => pa.Id);
//return paged list of polls
return await query.ToPagedListAsync(pageIndex, pageSize);
}
///
/// Inserts a poll answer
///
/// Poll answer
/// A task that represents the asynchronous operation
public virtual async Task InsertPollAnswerAsync(PollAnswer pollAnswer)
{
await _pollAnswerRepository.InsertAsync(pollAnswer);
}
///
/// Updates the poll answer
///
/// Poll answer
/// A task that represents the asynchronous operation
public virtual async Task UpdatePollAnswerAsync(PollAnswer pollAnswer)
{
await _pollAnswerRepository.UpdateAsync(pollAnswer);
}
///
/// Gets a value indicating whether customer already voted for this poll
///
/// Poll identifier
/// Customer identifier
///
/// A task that represents the asynchronous operation
/// The task result contains the result
///
public virtual async Task AlreadyVotedAsync(int pollId, int customerId)
{
if (pollId == 0 || customerId == 0)
return false;
var result = await
(from pa in _pollAnswerRepository.Table
join pvr in _pollVotingRecordRepository.Table on pa.Id equals pvr.PollAnswerId
where pa.PollId == pollId && pvr.CustomerId == customerId
select pvr)
.AnyAsync();
return result;
}
///
/// Inserts a poll voting record
///
/// Voting record
/// A task that represents the asynchronous operation
public virtual async Task InsertPollVotingRecordAsync(PollVotingRecord pollVotingRecord)
{
await _pollVotingRecordRepository.InsertAsync(pollVotingRecord);
}
///
/// Gets a poll voting records by parent answer
///
/// Poll answer identifier
/// Poll answer
/// Page index
/// Page size
/// A task that represents the asynchronous operation
public virtual async Task> GetPollVotingRecordsByPollAnswerAsync(int pollAnswerId, int pageIndex = 0, int pageSize = int.MaxValue)
{
var query = _pollVotingRecordRepository.Table.Where(pa => pa.PollAnswerId == pollAnswerId);
//return paged list of poll voting records
return await query.ToPagedListAsync(pageIndex, pageSize);
}
#endregion
}