Mineplex2018-withcommit/Website/packages/T4Scaffolding.1.0.6/tools/EFRepository/Repository.vb.t4
Jonathan Williams 3fb52c5c71 Initial Commit
2013-08-27 08:14:08 -07:00

95 lines
4.6 KiB
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<#@ template language="C#" HostSpecific="True" inherits="DynamicTransform" #>
<#@ assembly name="System.Data.Entity" #>
<#@ import namespace="System.Linq" #>
<#@ import namespace="EnvDTE" #>
<#@ Output Extension="vb" #>
Imports System.Data.Entity
Imports System.Linq.Expressions
<# foreach(var ns in new[] { Model.ModelTypeNamespace, Model.DbContextNamespace }.Where(x => !string.IsNullOrEmpty(x) && (x != Model.RepositoryNamespace)).Distinct()) { #>
Imports <#= ns #>
<# } #>
<#= T4Scaffolding.Namespaces.BeginVb(Model.RepositoryNamespace, Model.DefaultNamespace) #>
<#
var modelType = (CodeType)Model.ModelType;
var modelName = modelType.Name;
var modelNamePlural = Model.ModelTypePluralized;
var contextName = ((CodeType)Model.DbContextType).Name;
var primaryKeyProperty = modelType.VisibleMembers().OfType<CodeProperty>().Single(x => x.Name == Model.PrimaryKey);
var isObjectContext = ((CodeType)Model.DbContextType).IsAssignableTo<System.Data.Objects.ObjectContext>();
#>
Public Class <#= modelName #>Repository : Implements I<#= modelName #>Repository
Private context As <#= contextName #> = New <#= contextName #>()
Public ReadOnly Property All As IQueryable(Of <#= modelName #>) Implements I<#= modelName #>Repository.All
Get
Return context.<#= modelNamePlural #>
End Get
End Property
Public Function AllIncluding(ByVal ParamArray includeProperties() As Expression(Of Func(Of <#= modelName #>, Object))) As IQueryable(Of <#= modelName #>) Implements I<#= modelName #>Repository.AllIncluding
Dim query As IQueryable(Of <#= modelName #>) = context.<#= modelNamePlural #>
For Each includeProperty In includeProperties
query = query.Include(includeProperty)
Next
Return query
End Function
Public Function Find(id As <#= primaryKeyProperty.Type.AsString #>) As <#= modelName #> Implements I<#= modelName #>Repository.Find
<# if(isObjectContext) { #>
Return context.<#= modelNamePlural #>.Single(Function(x) x.<#= Model.PrimaryKey #> = id)
<# } else { #>
Return context.<#= modelNamePlural #>.Find(id)
<# } #>
End Function
Public Sub InsertOrUpdate(<#= modelName.ToLower() #> As <#= modelName #>) Implements I<#= modelName #>Repository.InsertOrUpdate
If <#= modelName.ToLower() #>.<#= Model.PrimaryKey #> = Nothing Then
' New entity
<# if(primaryKeyProperty.Type.AsString == "System.Guid") { #>
<#= modelName.ToLower() #>.<#= primaryKeyProperty.Name #> = Guid.NewGuid()
<# } #>
<# if(isObjectContext) { #>
context.<#= modelNamePlural #>.AddObject(<#= modelName.ToLower() #>)
<# } else { #>
context.<#= modelNamePlural #>.Add(<#= modelName.ToLower() #>)
<# } #>
Else
' Existing entity
<# if(isObjectContext) { #>
context.<#= modelNamePlural #>.Attach(<#= modelName.ToLower() #>)
context.ObjectStateManager.ChangeObjectState(<#= modelName.ToLower() #>, EntityState.Modified)
<# } else { #>
context.Entry(<#= modelName.ToLower() #>).State = EntityState.Modified
<# } #>
End If
End Sub
Public Sub Delete(id As <#= primaryKeyProperty.Type.AsString #>) Implements I<#= modelName #>Repository.Delete
<# if(isObjectContext) { #>
Dim <#= modelName.ToLower() #> = context.<#= modelNamePlural #>.Single(Function(x) x.<#= Model.PrimaryKey #> = id)
context.<#= modelNamePlural #>.DeleteObject(<#= modelName.ToLower() #>)
<# } else { #>
Dim <#= modelName.ToLower() #> = context.<#= modelNamePlural #>.Find(id)
context.<#= modelNamePlural #>.Remove(<#= modelName.ToLower() #>)
<# } #>
End Sub
Public Sub Save() Implements I<#= modelName #>Repository.Save
context.SaveChanges()
End Sub
Public Sub Dispose() Implements IDisposable.Dispose
context.Dispose()
End Sub
End Class
Public Interface I<#= modelName #>Repository : Inherits IDisposable
ReadOnly Property All As IQueryable(Of <#= modelName #>)
Function AllIncluding(ByVal ParamArray includeProperties() As Expression(Of Func(Of <#= modelName #>, Object))) As IQueryable(Of <#= modelName #>)
Function Find(id As <#= primaryKeyProperty.Type.AsString #>) As <#= modelName #>
Sub InsertOrUpdate(<#= modelName.ToLower() #> As <#= modelName #>)
Sub Delete(id As <#= primaryKeyProperty.Type.AsString #>)
Sub Save()
End Interface
<#= T4Scaffolding.Namespaces.EndVb(Model.RepositoryNamespace, Model.DefaultNamespace) #>