private void loadAssemblies(List <Class> classes, Template template)
{
if (classes.Count == 0)
{
return;
}
var skipped = new List <Class>();
foreach (var def in classes)
{
_tableDictionary[def.Name] = new List <dynamic>();
string classString = template.Render(Hash.FromAnonymousObject(new
{ data = def, presentationProperty = def.PresentationProperty }));
dynamic c = DynamicClassLoader.createDynamicInstance(classString, "GeneratedClass." + def.Name);
if (c == null)
{
skipped.Add(def);
continue;
}
Console.Out.WriteLine("Loaded class {0}", c.GetType());
}
loadAssemblies(skipped, template);
}
public void load()
{
Template.RegisterSafeType(typeof(Class),
new[] { "Name", "DisplayName", "Properties", "OverviewTemplate", "PresentationProperty" });
Template.RegisterSafeType(typeof(Property), new[] { "Name", "DisplayName", "Type" });
string baseDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string templatePath = Path.Combine(baseDir, "Template/ClassTemplate.liquid");
Template template = Template.Parse(File.ReadAllText(templatePath));
var classes = _dbContext.Classes.Include(e => e.Properties).ToList();
loadAssemblies(classes, template);
templatePath = Path.Combine(baseDir, "Template/DbContextTemplate.liquid");
template = Template.Parse(File.ReadAllText(templatePath));
string dbContextClassString = template.Render(Hash.FromAnonymousObject(new { data = classes }));
_storageDbContext = DynamicClassLoader.createDynamicInstance(dbContextClassString,
"GeneratedClass.GeneratedDbContext");
Console.Out.WriteLine("Loaded class {0}", _storageDbContext.GetType());
_storageDbContext.Database.EnsureCreated();
try
{
foreach (var table in _storageDbContext.GetAllTables())
{
foreach (var a in table.AsQueryable())
{
string type = a.GetType().ToString();
_tableDictionary[type.Split(".")[1]].Add(a);
Console.Out.WriteLine("Loaded Object {0}", a.GetType());
}
}
}
catch (Exception e)
{
Console.WriteLine("Model has changed - recreating DB" + e.Message);
_storageDbContext.DetachAllEntries();
_storageDbContext.Database.EnsureDeleted();
_storageDbContext = DynamicClassLoader.createDynamicInstance(dbContextClassString,
"GeneratedClass.GeneratedDbContext");
_storageDbContext.Database.EnsureCreated();
loadFromBackup();
}
}
public bool addElement(string type, Dictionary <string, string> data)
{
dynamic c = DynamicClassLoader.createCachedInstance("GeneratedClass." + type);
var cl = getClasses().Find(e => e.Name == type);
foreach (var kvp in data)
{
if (kvp.Key == "Id")
{
c.Id = Guid.Parse(kvp.Value);
continue;
}
var prop = cl.Properties.First(e => e.Name == kvp.Key);
Type t = c.GetType().GetProperty(kvp.Key).PropertyType;
bool isPrimitiveType = t.IsPrimitive || t.IsValueType || (t == typeof(string));
if (!isPrimitiveType)
{
var id = Guid.Parse(kvp.Value);
dynamic d = _tableDictionary[prop.Type].Find(p => p.Id.Equals(id));
if (d == null)
{
Console.Out.WriteLine(" missing id = {0} of type {1}", id, prop.Type);
return(false);
}
c.GetType().GetProperty(kvp.Key)
.SetValue(c, Convert.ChangeType(d, c.GetType().GetProperty(kvp.Key).PropertyType),
null);
Console.Out.WriteLine("kvp = {0}", id);
}
else
{
dynamic val;
try
{
val = Convert.ChangeType(kvp.Value, c.GetType().GetProperty(kvp.Key).PropertyType);
}
catch (Exception ex)
{
return(false);
}
c.GetType().GetProperty(kvp.Key)
.SetValue(c, val,
null);
var constraint = cl.Properties.Single(p => p.Name == kvp.Key).Constraint;
if (constraint != null && (val < constraint.MinValue || val > constraint.MaxValue))
{
return(false);
}
Console.Out.WriteLine("kvp = {0}", kvp.Value);
}
}
Console.Out.WriteLine("c = {0}", c.Id);
dynamic dbset = _storageDbContext.GetType().GetProperty(type).GetValue(_storageDbContext, null);
dbset.GetType().GetMethod("Add").Invoke(dbset, new[] { c });
_storageDbContext.SaveChanges();
_tableDictionary[type].Add(c);
return(true);
}
