public System.Collections.IList GetEntityData(IDynamicEditForm form, Type entity)
{
var db = GetDbContext(form);
var result = db.Get(entity).ToDynamicList <object>();
return(result);
}
public System.Collections.IList GetEntityData(IDynamicEditForm form, Type entity)
{
using var db = GetDbContext(form);
var data = db.FindSet(entity).ToDynamicList <object>();
return(data);
}
private DbContext GetDbContext(IDynamicEditForm form)
{
var type = form.GetDbContextType();
var context = Activator.CreateInstance(type) as DbContext;
return(context);
}
public object UpdateItem(IDynamicEditForm form, object item)
{
var db = GetDbContext(form);
db.Update(item);
return(item);
}
public void DeleteItem(IDynamicEditForm form, object item)
{
using (var db = GetDbContext(form))
{
db.Remove(item);
db.SaveChanges();
}
}
public void SetParameters(IDynamicEditForm form, FormParameter[] formParameters, Func <Task> dataChanged)
{
FormParameters = formParameters;
int id = (int)formParameters[0].Value;
var serviceParameters = formParameters.Skip(1).Select(p => p.Value).ToArray();
SetParameters(form, id, serviceParameters, dataChanged);
}
// CRUD
public object GetItem(IDynamicEditForm form, int id)
{
// ToDo: check is form overrides GetItem operation
Type entity = form.GetEntityType();
var db = GetDbContext(form);
var item = db.Find(entity, id);
return(item);
}
public object UpdateItem(IDynamicEditForm form, object item)
{
using (var db = GetDbContext(form))
{
db.Update(item);
db.SaveChanges();
return(item);
}
}
public object UpdateItem(IDynamicEditForm form, object item)
{
var type = form.GetDbContextType();
if (type.IsSubclassOf(typeof(DbContext)))
{
return(_entityProvider.UpdateItem(form, item));
}
return(_storeProvider.UpdateItem(form, item));
}
public IEnumerable <DataField> GetFormFields(IDynamicEditForm form)
{
var type = form.GetDbContextType();
if (type.IsSubclassOf(typeof(DbContext)))
{
return(_entityProvider.GetFormFields(form));
}
return(_storeProvider.GetFormFields(form));
}
public IEnumerable <DataField> GetFormFields(IDynamicEditForm form)
{
var fieldSet = form.GetFields();
var db = GetDbContext(form);
var pk = db.FindPrimaryKey(form.GetEntityType()).First();
var pkField = fieldSet.Single(f => f.BindingProperty == pk.Name);
pkField.PrimaryKey = true;
pkField.PrimaryKeyGeneratedType = PrimaryKeyGeneratedTypes.OnAdd;
return(fieldSet);
}
private DataContextBase GetDbContext(IDynamicEditForm form)
{
if (_db != null)
{
return(_db);
}
var type = form.GetDbContextType();
_db = Activator.CreateInstance(type) as DataContextBase;
return(_db);
}
public void DeleteItem(IDynamicEditForm form, object item)
{
var type = form.GetDbContextType();
if (type.IsSubclassOf(typeof(DbContext)))
{
_entityProvider.DeleteItem(form, item);
return;
}
_storeProvider.DeleteItem(form, item);
return;
}
public void SetParameters(IDynamicEditForm form, int id, object[] serviceParameters, Func <Task> dataChanged)
{
_dataChanged = dataChanged;
_form = form;
_id = id;
_serviceParameters = serviceParameters;
_dataProvider.SetParameters(_serviceParameters);
NavigateFormatParameters = _id.GetFormatParameters(_serviceParameters);
Fields = GetFields();
ModelItem = GetItem();
Buttons = _form.GetButtons();
ButtonNavigations = _form.GetButtonNavigations();
}
public IEnumerable <DataField> GetFormFields(IDynamicEditForm form)
{
var fieldSet = form.GetFields();
using (var db = GetDbContext(form))
{
var pk = db.FindSinglePrimaryKeyProperty(form.GetEntityType());
var pkField = fieldSet.Single(f => f.BindingProperty == pk.Name);
pkField.PrimaryKey = true;
pkField.PrimaryKeyGeneratedType = (PrimaryKeyGeneratedTypes)pk.ValueGenerated;
}
return(fieldSet);
}
public object InsertItem(IDynamicEditForm form, object item)
{
var db = GetDbContext(form);
db.Insert(item);
// after save action
var args = new DataOperationArgs {
DataContext = db, OperationEvent = DataOperationEvents.AfterInsert, Parameters = _serviceParameters
};
form.AfterInsert(item, args);
return(item);
}
public IList GetEntityData(IDynamicEditForm form, Type entity)
{
if (entity.IsEnum)
{
var result = Enum.GetValues(entity);
return(result);
}
var type = form.GetDbContextType();
if (type.IsSubclassOf(typeof(DbContext)))
{
return(_entityProvider.GetEntityData(form, entity));
}
return(_storeProvider.GetEntityData(form, entity));
}
public void DeleteItem(IDynamicEditForm form, object item)
{
var db = GetDbContext(form);
db.Delete(item);
}
