/
ContentDefinitionManager.cs
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/
ContentDefinitionManager.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;
using Orchard.Caching;
using Orchard.ContentManagement.MetaData;
using Orchard.ContentManagement.MetaData.Models;
using Orchard.ContentManagement.MetaData.Services;
using Orchard.Core.Settings.Metadata.Records;
using Orchard.Data;
using Orchard.Logging;
using Orchard.Exceptions;
namespace Orchard.Core.Settings.Metadata {
public class ContentDefinitionManager : Component, IContentDefinitionManager {
private const string ContentDefinitionSignal = "ContentDefinitionManager";
private readonly ICacheManager _cacheManager;
private readonly ISignals _signals;
private readonly IRepository<ContentTypeDefinitionRecord> _typeDefinitionRepository;
private readonly IRepository<ContentPartDefinitionRecord> _partDefinitionRepository;
private readonly IRepository<ContentFieldDefinitionRecord> _fieldDefinitionRepository;
private readonly ISettingsFormatter _settingsFormatter;
public ContentDefinitionManager(
ICacheManager cacheManager,
ISignals signals,
IRepository<ContentTypeDefinitionRecord> typeDefinitionRepository,
IRepository<ContentPartDefinitionRecord> partDefinitionRepository,
IRepository<ContentFieldDefinitionRecord> fieldDefinitionRepository,
ISettingsFormatter settingsFormatter) {
_cacheManager = cacheManager;
_signals = signals;
_typeDefinitionRepository = typeDefinitionRepository;
_partDefinitionRepository = partDefinitionRepository;
_fieldDefinitionRepository = fieldDefinitionRepository;
_settingsFormatter = settingsFormatter;
}
public ContentTypeDefinition GetTypeDefinition(string name) {
if (String.IsNullOrWhiteSpace(name)) {
return null;
}
var contentTypeDefinitions = AcquireContentTypeDefinitions();
if (contentTypeDefinitions.ContainsKey(name)) {
return contentTypeDefinitions[name];
}
return null;
}
public void DeleteTypeDefinition(string name) {
var record = _typeDefinitionRepository.Table.SingleOrDefault(x => x.Name == name);
// deletes the content type record associated
if (record != null) {
_typeDefinitionRepository.Delete(record);
}
// invalidates the cache
TriggerContentDefinitionSignal();
}
public void DeletePartDefinition(string name) {
// remove parts from current types
var typesWithPart = ListTypeDefinitions().Where(typeDefinition => typeDefinition.Parts.Any(part => part.PartDefinition.Name == name));
foreach (var typeDefinition in typesWithPart) {
this.AlterTypeDefinition(typeDefinition.Name, builder => builder.RemovePart(name));
}
// delete part
var record = _partDefinitionRepository.Table.SingleOrDefault(x => x.Name == name);
if (record != null) {
_partDefinitionRepository.Delete(record);
}
// invalidates the cache
TriggerContentDefinitionSignal();
}
public ContentPartDefinition GetPartDefinition(string name) {
if (String.IsNullOrWhiteSpace(name)) {
return null;
}
var contentPartDefinitions = AcquireContentPartDefinitions();
if (contentPartDefinitions.ContainsKey(name)) {
return contentPartDefinitions[name];
}
return null;
}
public IEnumerable<ContentTypeDefinition> ListTypeDefinitions() {
return AcquireContentTypeDefinitions().Values;
}
public IEnumerable<ContentPartDefinition> ListPartDefinitions() {
return AcquireContentPartDefinitions().Values;
}
public IEnumerable<ContentFieldDefinition> ListFieldDefinitions() {
return AcquireContentFieldDefinitions().Values;
}
public void StoreTypeDefinition(ContentTypeDefinition contentTypeDefinition) {
Apply(contentTypeDefinition, Acquire(contentTypeDefinition));
TriggerContentDefinitionSignal();
}
public void StorePartDefinition(ContentPartDefinition contentPartDefinition) {
Apply(contentPartDefinition, Acquire(contentPartDefinition));
TriggerContentDefinitionSignal();
}
private void MonitorContentDefinitionSignal(AcquireContext<string> ctx) {
ctx.Monitor(_signals.When(ContentDefinitionSignal));
}
private void TriggerContentDefinitionSignal() {
_signals.Trigger(ContentDefinitionSignal);
}
private IDictionary<string, ContentTypeDefinition> AcquireContentTypeDefinitions() {
return _cacheManager.Get("ContentTypeDefinitions", true, ctx => {
MonitorContentDefinitionSignal(ctx);
AcquireContentPartDefinitions();
var contentTypeDefinitionRecords = _typeDefinitionRepository.Table
.FetchMany(x => x.ContentTypePartDefinitionRecords)
.ThenFetch(x => x.ContentPartDefinitionRecord)
.Select(Build);
return contentTypeDefinitionRecords.ToDictionary(x => x.Name, y => y, StringComparer.OrdinalIgnoreCase);
});
}
private IDictionary<string, ContentPartDefinition> AcquireContentPartDefinitions() {
return _cacheManager.Get("ContentPartDefinitions", true, ctx => {
MonitorContentDefinitionSignal(ctx);
var contentPartDefinitionRecords = _partDefinitionRepository.Table
.FetchMany(x => x.ContentPartFieldDefinitionRecords)
.ThenFetch(x => x.ContentFieldDefinitionRecord)
.Select(Build);
return contentPartDefinitionRecords.ToDictionary(x => x.Name, y => y, StringComparer.OrdinalIgnoreCase);
});
}
private IDictionary<string, ContentFieldDefinition> AcquireContentFieldDefinitions() {
return _cacheManager.Get("ContentFieldDefinitions", true, ctx => {
MonitorContentDefinitionSignal(ctx);
return _fieldDefinitionRepository.Table.Select(Build).ToDictionary(x => x.Name, y => y);
});
}
private ContentTypeDefinitionRecord Acquire(ContentTypeDefinition contentTypeDefinition) {
var result = _typeDefinitionRepository.Table.SingleOrDefault(x => x.Name == contentTypeDefinition.Name);
if (result == null) {
result = new ContentTypeDefinitionRecord { Name = contentTypeDefinition.Name, DisplayName = contentTypeDefinition.DisplayName };
_typeDefinitionRepository.Create(result);
}
return result;
}
private ContentPartDefinitionRecord Acquire(ContentPartDefinition contentPartDefinition) {
var result = _partDefinitionRepository.Table.SingleOrDefault(x => x.Name == contentPartDefinition.Name);
if (result == null) {
result = new ContentPartDefinitionRecord { Name = contentPartDefinition.Name };
_partDefinitionRepository.Create(result);
}
return result;
}
private ContentFieldDefinitionRecord Acquire(ContentFieldDefinition contentFieldDefinition) {
var result = _fieldDefinitionRepository.Table.SingleOrDefault(x => x.Name == contentFieldDefinition.Name);
if (result == null) {
result = new ContentFieldDefinitionRecord { Name = contentFieldDefinition.Name };
_fieldDefinitionRepository.Create(result);
}
return result;
}
private void Apply(ContentTypeDefinition model, ContentTypeDefinitionRecord record) {
record.DisplayName = model.DisplayName;
record.Settings = _settingsFormatter.Map(model.Settings).ToString();
var toRemove = record.ContentTypePartDefinitionRecords
.Where(partDefinitionRecord => model.Parts.All(part => partDefinitionRecord.ContentPartDefinitionRecord.Name != part.PartDefinition.Name))
.ToList();
foreach (var remove in toRemove) {
record.ContentTypePartDefinitionRecords.Remove(remove);
}
foreach (var part in model.Parts) {
var partName = part.PartDefinition.Name;
var typePartRecord = record.ContentTypePartDefinitionRecords.SingleOrDefault(r => r.ContentPartDefinitionRecord.Name == partName);
if (typePartRecord == null) {
typePartRecord = new ContentTypePartDefinitionRecord { ContentPartDefinitionRecord = Acquire(part.PartDefinition) };
record.ContentTypePartDefinitionRecords.Add(typePartRecord);
}
Apply(part, typePartRecord);
}
}
private void Apply(ContentTypePartDefinition model, ContentTypePartDefinitionRecord record) {
record.Settings = Compose(_settingsFormatter.Map(model.Settings));
}
private void Apply(ContentPartDefinition model, ContentPartDefinitionRecord record) {
record.Settings = _settingsFormatter.Map(model.Settings).ToString();
var toRemove = record.ContentPartFieldDefinitionRecords
.Where(partFieldDefinitionRecord => model.Fields.All(partField => partFieldDefinitionRecord.Name != partField.Name))
.ToList();
foreach (var remove in toRemove) {
record.ContentPartFieldDefinitionRecords.Remove(remove);
}
foreach (var field in model.Fields) {
var fieldName = field.Name;
var partFieldRecord = record.ContentPartFieldDefinitionRecords.SingleOrDefault(r => r.Name == fieldName);
if (partFieldRecord == null) {
partFieldRecord = new ContentPartFieldDefinitionRecord {
ContentFieldDefinitionRecord = Acquire(field.FieldDefinition),
Name = field.Name
};
record.ContentPartFieldDefinitionRecords.Add(partFieldRecord);
}
Apply(field, partFieldRecord);
}
}
private void Apply(ContentPartFieldDefinition model, ContentPartFieldDefinitionRecord record) {
record.Settings = Compose(_settingsFormatter.Map(model.Settings));
}
ContentTypeDefinition Build(ContentTypeDefinitionRecord source) {
return new ContentTypeDefinition(
source.Name,
source.DisplayName,
source.ContentTypePartDefinitionRecords.Select(Build),
_settingsFormatter.Map(Parse(source.Settings)));
}
ContentTypePartDefinition Build(ContentTypePartDefinitionRecord source) {
return new ContentTypePartDefinition(
Build(source.ContentPartDefinitionRecord),
_settingsFormatter.Map(Parse(source.Settings)));
}
ContentPartDefinition Build(ContentPartDefinitionRecord source) {
return new ContentPartDefinition(
source.Name,
source.ContentPartFieldDefinitionRecords.Select(Build),
_settingsFormatter.Map(Parse(source.Settings)));
}
ContentPartFieldDefinition Build(ContentPartFieldDefinitionRecord source) {
return new ContentPartFieldDefinition(
Build(source.ContentFieldDefinitionRecord),
source.Name,
_settingsFormatter.Map(Parse(source.Settings)));
}
ContentFieldDefinition Build(ContentFieldDefinitionRecord source) {
return new ContentFieldDefinition(source.Name);
}
XElement Parse(string settings) {
if (string.IsNullOrEmpty(settings))
return null;
try {
return XElement.Parse(settings);
}
catch (Exception ex) {
if (ex.IsFatal()) {
throw;
}
Logger.Error(ex, "Unable to parse settings xml");
return null;
}
}
static string Compose(XElement map) {
if (map == null)
return null;
return map.ToString();
}
}
}