public static async Task <CdmDocumentDefinition> LoadDocumentFromPathAsync(CdmFolderDefinition folder, string docName)
{
// This makes sure date values are consistently parsed exactly as they appear.
// Default behavior auto formats date values.
JsonConvert.DefaultSettings = () => new JsonSerializerSettings
{
DateParseHandling = DateParseHandling.None
};
CdmDocumentDefinition docContent = null;
string jsonData = null;
DateTimeOffset? fsModifiedTime = null;
CdmCorpusContext ctx = folder.Ctx;
string docPath = folder.FolderPath + docName;
StorageAdapter adapter = ctx.Corpus.Storage.FetchAdapter(folder.Namespace);
try
{
if (adapter.CanRead())
{
jsonData = await adapter.ReadAsync(docPath);
fsModifiedTime = await adapter.ComputeLastModifiedTimeAsync(docPath);
Logger.Info(nameof(CdmFolderDefinition), ctx, $"read file: {docPath}", "LoadDocumentFromPathAsync");
}
}
catch (Exception e)
{
Logger.Error(nameof(CdmFolderDefinition), (ResolveContext)ctx, $"Could not read '{docPath}' from the '{ctx.Corpus.Namespace}' namespace. Reason '{e.Message}'", "LoadDocumentFromPathAsync");
return(null);
}
try
{
// Check file extensions, which performs a case-insensitive ordinal string comparison
if (docPath.EndsWith(CdmCorpusDefinition.FetchManifestExtension(), StringComparison.OrdinalIgnoreCase) ||
docPath.EndsWith(CdmCorpusDefinition.FetchFolioExtension(), StringComparison.OrdinalIgnoreCase))
{
docContent = ManifestPersistence.FromData(ctx, docName, folder.Namespace, folder.FolderPath, JsonConvert.DeserializeObject <ManifestContent>(jsonData)) as CdmDocumentDefinition;
}
else if (docPath.EndsWith(CdmCorpusDefinition.FetchModelJsonExtension(), StringComparison.OrdinalIgnoreCase))
{
docContent = await ModelJson.ManifestPersistence.FromData(ctx, JsonConvert.DeserializeObject <Model>(jsonData), folder);
}
else
{
docContent = DocumentPersistence.FromData(ctx, docName, folder.Namespace, folder.FolderPath, JsonConvert.DeserializeObject <DocumentContent>(jsonData));
}
}
catch (Exception e)
{
Logger.Error(nameof(CdmFolderDefinition), (ResolveContext)ctx, $"Could not convert '{docPath}'. Reason '{e.Message}'", "LoadDocumentFromPathAsync");
return(null);
}
// Add document to the folder, this sets all the folder/path things, caches name to content association and may trigger indexing on content
if (docContent != null)
{
folder.Documents.Add(docContent, docName);
docContent._fileSystemModifiedTime = fsModifiedTime;
docContent.IsDirty = false;
}
return(docContent);
}
public static async Task <CdmDocumentDefinition> LoadDocumentFromPathAsync(CdmFolderDefinition folder, string docName, CdmDocumentDefinition docContainer)
{
// This makes sure date values are consistently parsed exactly as they appear.
// Default behavior auto formats date values.
JsonConvert.DefaultSettings = () => new JsonSerializerSettings
{
DateParseHandling = DateParseHandling.None
};
CdmDocumentDefinition docContent = null;
string jsonData = null;
DateTimeOffset? fsModifiedTime = null;
CdmCorpusContext ctx = folder.Ctx;
string docPath = folder.FolderPath + docName;
StorageAdapter adapter = ctx.Corpus.Storage.FetchAdapter(folder.Namespace);
try
{
if (adapter.CanRead())
{
jsonData = await adapter.ReadAsync(docPath);
fsModifiedTime = await adapter.ComputeLastModifiedTimeAsync(docPath);
Logger.Info(nameof(CdmFolderDefinition), ctx, $"read file: {docPath}", "LoadDocumentFromPathAsync");
}
}
catch (Exception e)
{
Logger.Error(nameof(CdmFolderDefinition), (ResolveContext)ctx, $"Could not read '{docPath}' from the '{folder.Namespace}' namespace. Reason '{e.Message}'", "LoadDocumentFromPathAsync");
return(null);
}
try
{
// Check file extensions, which performs a case-insensitive ordinal string comparison
if (docPath.EndWithOrdinalIgnoreCase(CdmCorpusDefinition.FetchManifestExtension()) || docPath.EndWithOrdinalIgnoreCase(CdmCorpusDefinition.FetchFolioExtension()))
{
docContent = ManifestPersistence.FromData(ctx, docName, folder.Namespace, folder.FolderPath, JsonConvert.DeserializeObject <ManifestContent>(jsonData)) as CdmDocumentDefinition;
}
else if (docPath.EndWithOrdinalIgnoreCase(CdmCorpusDefinition.FetchModelJsonExtension()))
{
if (!docName.EqualsWithOrdinalIgnoreCase(CdmCorpusDefinition.FetchModelJsonExtension()))
{
Logger.Error(nameof(PersistenceLayer), (ResolveContext)ctx, $"Failed to load '{docName}', as it's not an acceptable file name. It must be model.json.", "LoadDocumentFromPathAsync");
return(null);
}
docContent = await ModelJson.ManifestPersistence.FromData(ctx, JsonConvert.DeserializeObject <Model>(jsonData), folder);
}
else
{
docContent = DocumentPersistence.FromData(ctx, docName, folder.Namespace, folder.FolderPath, JsonConvert.DeserializeObject <DocumentContent>(jsonData));
}
}
catch (Exception e)
{
Logger.Error(nameof(CdmFolderDefinition), (ResolveContext)ctx, $"Could not convert '{docPath}'. Reason '{e.Message}'", "LoadDocumentFromPathAsync");
return(null);
}
// Add document to the folder, this sets all the folder/path things, caches name to content association and may trigger indexing on content
if (docContent != null)
{
if (docContainer != null)
{
// there are situations where a previously loaded document must be re-loaded.
// the end of that chain of work is here where the old version of the document has been removed from
// the corpus and we have created a new document and loaded it from storage and after this call we will probably
// add it to the corpus and index it, etc.
// it would be really rude to just kill that old object and replace it with this replicant, especially because
// the caller has no idea this happened. so... sigh ... instead of returning the new object return the one that
// was just killed off but make it contain everything the new document loaded.
docContent = docContent.Copy(new ResolveOptions(docContainer), docContainer) as CdmDocumentDefinition;
}
folder.Documents.Add(docContent, docName);
docContent._fileSystemModifiedTime = fsModifiedTime;
docContent.IsDirty = false;
}
return(docContent);
}
