sqlboiler/templates/10_relationship_to_one_setops.tpl
2016-09-21 13:38:14 +10:00

105 lines
3.3 KiB
Smarty

{{- /* Begin execution of template for one-to-one setops */ -}}
{{- if .Table.IsJoinTable -}}
{{- else -}}
{{- $dot := . -}}
{{- range .Table.FKeys -}}
{{- $txt := txtsFromFKey $dot.Tables $dot.Table . -}}
{{- $varNameSingular := .ForeignTable | singular | camelCase -}}
{{- $localNameSingular := .Table | singular | camelCase}}
// Set{{$txt.Function.Name}} of the {{.Table | singular}} to the related item.
// Sets o.R.{{$txt.Function.Name}} to related.
// Adds o to related.R.{{$txt.Function.ForeignName}}.
func (o *{{$txt.LocalTable.NameGo}}) Set{{$txt.Function.Name}}(exec boil.Executor, insert bool, related *{{$txt.ForeignTable.NameGo}}) error {
var err error
if insert {
if err = related.Insert(exec); err != nil {
return errors.Wrap(err, "failed to insert into foreign table")
}
}
oldVal := o.{{$txt.Function.LocalAssignment}}
o.{{$txt.Function.LocalAssignment}} = related.{{$txt.Function.ForeignAssignment}}
{{if .Nullable -}}
o.{{$txt.LocalTable.ColumnNameGo}}.Valid = true
{{- end}}
if err = o.Update(exec, "{{.Column}}"); err != nil {
o.{{$txt.Function.LocalAssignment}} = oldVal
{{if .Nullable -}}
o.{{$txt.LocalTable.ColumnNameGo}}.Valid = false
{{- end}}
return errors.Wrap(err, "failed to update local table")
}
if o.R == nil {
o.R = &{{$localNameSingular}}R{
{{$txt.Function.Name}}: related,
}
} else {
o.R.{{$txt.Function.Name}} = related
}
{{if .Unique -}}
if related.R == nil {
related.R = &{{$varNameSingular}}R{
{{$txt.Function.ForeignName}}: o,
}
} else {
related.R.{{$txt.Function.ForeignName}} = o
}
{{else -}}
if related.R == nil {
related.R = &{{$varNameSingular}}R{
{{$txt.Function.ForeignName}}: {{$txt.LocalTable.NameGo}}Slice{{"{"}}o{{"}"}},
}
} else {
related.R.{{$txt.Function.ForeignName}} = append(related.R.{{$txt.Function.ForeignName}}, o)
}
{{- end}}
return nil
}
{{- if .Nullable}}
// Remove{{$txt.Function.Name}} relationship.
// Sets o.R.{{$txt.Function.Name}} to nil.
// Removes o from all passed in related items' relationships struct (Optional).
func (o *{{$txt.LocalTable.NameGo}}) Remove{{$txt.Function.Name}}(exec boil.Executor, related *{{$txt.ForeignTable.NameGo}}) error {
var err error
o.{{$txt.LocalTable.ColumnNameGo}}.Valid = false
if err = o.Update(exec, "{{.Column}}"); err != nil {
o.{{$txt.LocalTable.ColumnNameGo}}.Valid = true
return errors.Wrap(err, "failed to update local table")
}
o.R.{{$txt.Function.Name}} = nil
if related == nil || related.R == nil {
return nil
}
{{if .Unique -}}
related.R.{{$txt.Function.ForeignName}} = nil
{{else -}}
for i, ri := range related.R.{{$txt.Function.ForeignName}} {
{{if $txt.Function.UsesBytes -}}
if 0 != bytes.Compare(o.{{$txt.Function.LocalAssignment}}, ri.{{$txt.Function.LocalAssignment}}) {
{{else -}}
if o.{{$txt.Function.LocalAssignment}} != ri.{{$txt.Function.LocalAssignment}} {
{{end -}}
continue
}
ln := len(related.R.{{$txt.Function.ForeignName}})
if ln > 1 && i < ln-1 {
related.R.{{$txt.Function.ForeignName}}[i] = related.R.{{$txt.Function.ForeignName}}[ln-1]
}
related.R.{{$txt.Function.ForeignName}} = related.R.{{$txt.Function.ForeignName}}[:ln-1]
break
}
{{end -}}
return nil
}
{{end -}}{{/* if foreignkey nullable */}}
{{- end -}}{{/* range */}}
{{- end -}}{{/* join table */}}