/// <summary>
/// see if any patches are missing; is there a direct line between FCurrentlyInstalledVersion and FLatestAvailablePatch?
/// </summary>
/// <returns>return a list of all patches that should be applied. empty list if there is a problem</returns>
public SortedList CheckPatchesConsistent(SortedList AOrderedListOfAllPatches)
{
SortedList ResultPatchList = new SortedList();
TFileVersionInfo testPatchVersion;
// get the latest patch that is available
FLatestAvailablePatch = new TFileVersionInfo(FCurrentlyInstalledVersion);
foreach (string patch in AOrderedListOfAllPatches.GetValueList())
{
testPatchVersion = TPatchFileVersionInfo.GetLatestPatchVersionFromDiffZipName(patch);
if (testPatchVersion.Compare(FLatestAvailablePatch) > 0)
{
FLatestAvailablePatch = testPatchVersion;
}
}
// drop unnecessary patch files
// ie. patch files leading to the same version, eg. 2.2.11-1 and 2.2.12-2 to 2.2.12-3
// we only want the biggest step
testPatchVersion = new TFileVersionInfo(FCurrentlyInstalledVersion);
bool patchesAvailable = true;
while (patchesAvailable)
{
StringCollection applyingPatches = new StringCollection();
foreach (string patch in AOrderedListOfAllPatches.GetValueList())
{
if (TPatchFileVersionInfo.PatchApplies(testPatchVersion, patch))
{
applyingPatches.Add(patch);
}
}
patchesAvailable = (applyingPatches.Count > 0);
if (applyingPatches.Count > 0)
{
// see which of the applying patches takes us further
string highestPatch = applyingPatches[0];
TFileVersionInfo highestPatchVersion = TPatchFileVersionInfo.GetLatestPatchVersionFromDiffZipName(highestPatch);
foreach (string patch in applyingPatches)
{
if (TPatchFileVersionInfo.GetLatestPatchVersionFromDiffZipName(patch).Compare(highestPatchVersion) > 0)
{
highestPatch = patch;
highestPatchVersion = TPatchFileVersionInfo.GetLatestPatchVersionFromDiffZipName(highestPatch);
}
}
ResultPatchList.Add(highestPatch, highestPatch);
testPatchVersion = highestPatchVersion;
}
}
if (FLatestAvailablePatch.Compare(testPatchVersion) != 0)
{
// check for a generic patch file, starting from version 0.0.99.99
foreach (string patch in AOrderedListOfAllPatches.GetValueList())
{
if (patch.Contains("0.0.99.99"))
{
testPatchVersion = TPatchFileVersionInfo.GetLatestPatchVersionFromDiffZipName(patch);
ResultPatchList.Clear();
ResultPatchList.Add(patch, patch);
}
}
}
if (FLatestAvailablePatch.Compare(testPatchVersion) != 0)
{
TLogging.Log("missing patchfile from version " + testPatchVersion.ToString() + " to " + FLatestAvailablePatch.ToString());
return(new SortedList());
}
return(ResultPatchList);
}
/// <summary>
/// would this patch file apply to the current installed version
/// </summary>
/// <param name="APatchZipFile"></param>
/// <returns></returns>
public Boolean PatchApplies(String APatchZipFile)
{
return(TPatchFileVersionInfo.PatchApplies(this, APatchZipFile));
}