/// <summary>
/// Save a pending ReadMe if changes are detected.
/// </summary>
/// <param name="package">Package entity associated with the ReadMe.</param>
/// <param name="edit">Package version edit readme request.</param>
/// <param name="encoding">The encoding used when reading the existing readme.</param>
/// <param name="commitChanges">Whether or not to commit the pending changes to the database.</param>
/// <returns>True if the package readme changed, otherwise false.</returns>
public async Task <bool> SaveReadMeMdIfChanged(
Package package,
EditPackageVersionReadMeRequest edit,
Encoding encoding,
bool commitChanges)
{
var activeReadMe = package.HasReadMe ?
NormalizeNewLines(await GetReadMeMdAsync(package)) :
null;
var newReadMe = HasReadMeSource(edit?.ReadMe) ?
NormalizeNewLines(await GetReadMeMdAsync(edit.ReadMe, encoding)) :
null;
var hasReadMe = !string.IsNullOrWhiteSpace(newReadMe);
if (hasReadMe && !newReadMe.Equals(activeReadMe))
{
await _packageFileService.SaveReadMeMdFileAsync(package, newReadMe);
edit.ReadMeState = PackageEditReadMeState.Changed;
// Save entity to db.
package.HasReadMe = true;
if (commitChanges)
{
await _entitiesContext.SaveChangesAsync();
}
}
else if (!hasReadMe && !string.IsNullOrEmpty(activeReadMe))
{
await _packageFileService.DeleteReadMeMdFileAsync(package);
edit.ReadMeState = PackageEditReadMeState.Deleted;
// Save entity to db.
package.HasReadMe = false;
if (commitChanges)
{
await _entitiesContext.SaveChangesAsync();
}
}
else
{
edit.ReadMeState = PackageEditReadMeState.Unchanged;
}
return(edit.ReadMeState != PackageEditReadMeState.Unchanged);
}