/// <summary>
/// Get Previous and Next posts, if they exist, for the specified query options
/// </summary>
/// <param name="db">IWpDb</param>
/// <param name="w">IUnitOfWork</param>
/// <param name="currentId">Current Post ID</param>
/// <param name="opt">Function to return query options</param>
internal static Task <Maybe <(WpPostId?prev, WpPostId?next)> > GetPreviousAndNextAsync(
IWpDb db,
IUnitOfWork w,
WpPostId currentId,
GetPostsOptions opt
) =>
/// <inheritdoc/>
public async Task <Maybe <string> > AttachmentFilePathAsync(WpPostId fileId)
{
using var w = Db.UnitOfWork;
return(await QueryAttachmentsF.GetFilePathAsync(Db, w, fileId).ConfigureAwait(false));
}
/// <inheritdoc/>
public async Task <Maybe <(WpPostId?prev, WpPostId?next)> > PreviousAndNextPostsAsync(WpPostId id, Query.GetPostsOptions opt)
{
using var w = Db.UnitOfWork;
return(await QueryPostsF.GetPreviousAndNextAsync(Db, w, id, opt).ConfigureAwait(false));
}
/// <summary>
/// Get the filesystem path to the specified Attachment
/// </summary>
/// <param name="db">IWpDb</param>
/// <param name="w">IUnitOfWork</param>
/// <param name="fileId">File (Post) ID</param>
internal static Task <Maybe <string> > GetFilePathAsync(IWpDb db, IUnitOfWork w, WpPostId fileId) =>
ExecuteAsync <Attachment>(
db, w, opt => opt with {