public static Tuple <Version, string> GetSuitableVersion(Context ctx, RemotePackageInfo remotePack,
string dependant, VersionRange range)
{
var rangeMap = new Dictionary <VersionRange, HashSet <string> >(); // Value is for blaming packages
rangeMap.Add(range, new HashSet <string>());
rangeMap[range].Add(dependant);
// Collect version requirements of other installed packages
foreach (LocalPackageInfo localPack in ctx.LocalRegistry.ListPackages(ctx))
{
if (localPack.Dependencies.ContainsKey(remotePack.ID))
{
if (!rangeMap.ContainsKey(localPack.Dependencies[remotePack.ID]))
{
rangeMap.Add(localPack.Dependencies[remotePack.ID], new HashSet <string>());
}
rangeMap[localPack.Dependencies[remotePack.ID]].Add(localPack.PlainName);
}
}
Tuple <VersionRange, string[]>[] rangeMapArray = rangeMap
.OrderBy(pair => pair.Value.Count)
.Select(pair => new Tuple <VersionRange, string[]>(pair.Key, pair.Value.ToArray()))
.ToArray();
// Narrower the allowed range, from least common range to most common
var allowedRange = new VersionRange(null, null);
var rangesToBlame = new List <Tuple <VersionRange, string[]> >();
for (int i = 0; i < rangeMapArray.Length; i++)
{
Tuple <VersionRange, string[]> rangeItem = rangeMapArray[i];
var narrowResult = NarrowerRange(allowedRange, rangeItem.Item1);
if (narrowResult.Item2)
{
allowedRange = narrowResult.Item1;
rangesToBlame.Add(rangeItem);
// Minimum greater than Maximum, or there is not a downloadable package sitting between the bounds
if (!narrowResult.Item3 || !GetVersionInRange(remotePack.AvailableVersions, allowedRange).Item2)
{
throw new DependencyException(ctx, remotePack.PlainName, dependant, new RangeNotSatisfiableException(ctx, allowedRange, rangesToBlame));
}
}
}
return(GetVersionInRange(remotePack.AvailableVersions, allowedRange).Item1);
}
async Task fetchPack(Identifier id)
{
var ctx = new Context(localReg, remoteReg, i18n);
RemotePackageInfo pack = await remoteReg.QueryPackage(ctx, id);
if (pack == null || pack.AvailableVersions.Count < 1)
{
SelectedIdentifier = default(Identifier);
btnOK.Enabled = false;
showProgress("TODO: Not Found");
}
else
{
SelectedIdentifier = pack.ID;
btnOK.Enabled = true;
showResult();
}
inflateUI(pack);
}
public async Task <IEnumerable <Tuple <Identifier, Version, string> > > DoFetch(Identifier id, VersionRange range, LogHandler logCallback, ProgressHandler progressCallback)
{
// TODO: Throw exception on circular reference
var resolveQueue = new Queue <Tuple <Identifier, VersionRange, string> >();
var revInstallSequence = new List <Tuple <Identifier, Version, string> >();
resolveQueue.Enqueue(new Tuple <Identifier, VersionRange, string>(id, range, ""));
while (resolveQueue.Count > 0)
{
var elem = resolveQueue.Dequeue();
RemotePackageInfo remotePack = null;
if (!elem.Item1.HasGuid || !elem.Item1.HasName)
{
// Get the full identifier first, so that installed package can be queried better
logCallback(LogLevel.Info, Translation.Translate("bpmcore_context_downloadmetadata", elem.Item1));
remotePack = await CachedQueryRemotePackage(elem.Item1);
if (remotePack == null)
{
if (string.IsNullOrEmpty(elem.Item3))
{
throw new PackageNotFoundException(this, elem.Item1);
}
else
{
throw new DependencyException(this, elem.Item1.ToString(), elem.Item3, new PackageNotFoundException(this, elem.Item1));
}
}
else
{
var newIdentifier = elem.Item1;
if (!newIdentifier.HasGuid && remotePack.ID.HasGuid)
{
newIdentifier.Guid = remotePack.ID.Guid;
newIdentifier.HasGuid = true;
}
if (!newIdentifier.HasName && remotePack.ID.HasName)
{
newIdentifier.Name = remotePack.ID.Name;
newIdentifier.HasName = true;
}
elem = new Tuple <Identifier, VersionRange, string>(newIdentifier, elem.Item2, elem.Item3);
}
}
var installedPackInfo = LocalRegistry.QueryInstalledPackage(this, elem.Item1);
// Skip if the dependency is already installed and the version satisfies the requirement
if (installedPackInfo != null && elem.Item2.ContainsVersion(installedPackInfo.Version))
{
logCallback(LogLevel.Debug, Translation.Translate("bpmcore_context_alreadyinstalled", elem.Item1.ToString(), installedPackInfo.Version));
continue;
}
// Get the remote metadata
if (remotePack == null)
{
logCallback(LogLevel.Info, Translation.Translate("bpmcore_context_downloadmetadata", elem.Item1));
remotePack = await CachedQueryRemotePackage(elem.Item1);
if (remotePack == null)
{
if (string.IsNullOrEmpty(elem.Item3))
{
throw new PackageNotFoundException(this, elem.Item1);
}
else
{
throw new DependencyException(this, elem.Item1.ToString(), elem.Item3, new PackageNotFoundException(this, elem.Item1));
}
}
}
// Check other dependncies for a highest suitable version
var installable = DependencyHelper.GetSuitableVersion(this, remotePack, elem.Item3, elem.Item2);
logCallback(LogLevel.Info, Translation.Translate("bpmcore_context_willinstall", elem.Item1, installable.Item1));
if (installable.Item1 < remotePack.AvailableVersions.Keys.Last())
{
logCallback(LogLevel.Warning, Translation.Translate("bpmcore_context_cannotlatest",
remotePack.AvailableVersions.Keys.Last(), remotePack.ID));
}
// Download the file from internet
logCallback(LogLevel.Info, Translation.Translate("bpmcore_context_downloading", installable.Item2));
var tempFile = await DownloadManager.AcquirePackage(this, elem.Item1, installable.Item1, installable.Item2, progressCallback);
// Push further dependencies into the queue
var packInfo = LocalRegistry.QueryExternalPackage(this, tempFile);
logCallback(LogLevel.Debug, Translation.Translate("bpmcore_context_requires", packInfo.ID, string.Join(",", packInfo.Dependencies.Select(t => t.Key.ToString() + t.Value))));
foreach (var dependency in packInfo.Dependencies)
{
resolveQueue.Enqueue(new Tuple <Identifier, VersionRange, string>(dependency.Key, dependency.Value, packInfo.PlainName));
}
if (revInstallSequence.Any(t => t.Item3 == tempFile))
{
revInstallSequence.Remove(revInstallSequence.Single(t => t.Item3 == tempFile));
}
revInstallSequence.Add(new Tuple <Identifier, Version, string>(remotePack.ID, installable.Item1, tempFile));
}
revInstallSequence.Reverse();
return(revInstallSequence);
}
private void inflateUI(RemotePackageInfo pack)
{
var rangeTuple = DependencyHelper.GetSuitableRange(ctx, pack);
var suitableRange = rangeTuple.Item1;
var packagesToBlame = rangeTuple.Item2;
Font biggerFont = new Font(this.Font.FontFamily, 14, FontStyle.Regular, GraphicsUnit.Pixel);
infoPanel.Controls.Clear();
versionPanel.Controls.Clear();
if (pack == null)
{
return;
}
int rownum = 0;
string[] blacklist = new[] {
"Files",
"AvailableVersions",
"ForcePopup"
};
infoPanel.SuspendLayout();
foreach (var prop in pack.GetType().GetProperties())
{
var value = prop.GetValue(pack);
if (blacklist.Contains(prop.Name))
{
continue;
}
if (value == null)
{
continue;
}
infoPanel.Controls.Add(new Label()
{
Text = prop.Name,
Font = biggerFont,
ForeColor = accentColor,
Margin = new Padding(3)
}, 0, rownum);
infoPanel.Controls.Add(new Label()
{
Text = value.ToString(),
Font = biggerFont,
Margin = new Padding(3)
}, 1, rownum);
rownum++;
}
infoPanel.ResumeLayout();
int vernum = 0;
bool foundLatestAvailableVersion = false;
foreach (var ver in pack.AvailableVersions.Reverse())
{
var text = ver.Key.ToString();
if (vernum == 0)
{
text += " (Latest)";
}
bool versionValid = suitableRange.ContainsVersion(ver.Key);
if (versionValid && !foundLatestAvailableVersion && vernum > 0)
{
text += " (Latest Installable)";
}
versionPanel.Controls.Add(new RadioButton()
{
Size = new Size(300, 30),
Enabled = versionValid,
Checked = versionValid && !foundLatestAvailableVersion,
Font = biggerFont,
Tag = ver.Key,
Text = text
});
foundLatestAvailableVersion |= versionValid;
vernum++;
}
btnOK.Enabled = foundLatestAvailableVersion;
bool hasWarning = !foundLatestAvailableVersion || !suitableRange.ContainsVersion(pack.AvailableVersions.Last().Key);
if (hasWarning)
{
if (!mainTabControl.TabPages.Contains(tabPageWarning))
{
mainTabControl.TabPages.Insert(0, tabPageWarning);
}
mainTabControl.SelectedIndex = 0;
var sb = new System.Text.StringBuilder();
if (foundLatestAvailableVersion)
{
sb.AppendLine(I._("bpmcore_context_cannotlatest",
pack.AvailableVersions.Keys.Last(), pack.ID));
}
else
{
if (!suitableRange.NotEmpty)
{
sb.AppendLine(I._("bpmcore_exception_badrange1"));
}
else
{
sb.AppendLine(I._("bpmcore_exception_badrange2"));
}
}
sb.AppendLine(I._("bpmcore_exception_blame"));
foreach (var item in packagesToBlame)
{
sb.AppendLine(I._("bpmcore_exception_constraint", item.Item1.ToString(),
string.IsNullOrEmpty(item.Item2[0]) ? I._("bpmcore_exception_userconstraint") : item.Item2[0],
item.Item2.Length > 1 ? "...(" + (item.Item2.Length - 1).ToString() + "+)" : ""));
}
textWarn.Font = biggerFont;
textWarn.Text = sb.ToString();
}
else
{
if (mainTabControl.TabPages.Contains(tabPageWarning))
{
mainTabControl.TabPages.Remove(tabPageWarning);
}
}
}