sqlboiler/templates/08_relationship_to_one_setops.tpl
2016-08-29 22:58:55 -07:00

103 lines
3.6 KiB
Smarty

{{- define "relationship_to_one_setops_helper" -}}
{{- $varNameSingular := .ForeignKey.ForeignTable | singular | camelCase}}
// Set{{.Function.Name}} of the {{.ForeignKey.Table | singular}} to the related item.
// Sets {{.Function.Receiver}}.R.{{.Function.Name}} to related.
// Adds {{.Function.Receiver}} to related.R.{{.Function.ForeignName}}.
func ({{.Function.Receiver}} *{{.LocalTable.NameGo}}) Set{{.Function.Name}}(exec boil.Executor, insert bool, related *{{.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 := {{.Function.Receiver}}.{{.LocalTable.ColumnNameGo}}
{{.Function.Receiver}}.{{.Function.LocalAssignment}} = related.{{.Function.ForeignAssignment}}
if err = {{.Function.Receiver}}.Update(exec, "{{.ForeignKey.Column}}"); err != nil {
{{.Function.Receiver}}.{{.LocalTable.ColumnNameGo}} = oldVal
return errors.Wrap(err, "failed to update local table")
}
if {{.Function.Receiver}}.R == nil {
{{.Function.Receiver}}.R = &{{.LocalTable.NameGo}}R{
{{.Function.Name}}: related,
}
} else {
{{.Function.Receiver}}.R.{{.Function.Name}} = related
}
{{if (or .ForeignKey.Unique .Function.OneToOne) -}}
if related.R == nil {
related.R = &{{.ForeignTable.NameGo}}R{
{{.Function.ForeignName}}: {{.Function.Receiver}},
}
} else {
related.R.{{.Function.ForeignName}} = {{.Function.Receiver}}
}
{{else -}}
if related.R == nil {
related.R = &{{.ForeignTable.NameGo}}R{
{{.Function.ForeignName}}: {{.LocalTable.NameGo}}Slice{{"{"}}{{.Function.Receiver}}{{"}"}},
}
} else {
related.R.{{.Function.ForeignName}} = append(related.R.{{.Function.ForeignName}}, {{.Function.Receiver}})
}
{{end -}}
{{if .ForeignKey.Nullable}}
{{.Function.Receiver}}.{{.LocalTable.ColumnNameGo}}.Valid = true
{{end -}}
return nil
}
{{- if .ForeignKey.Nullable}}
// Remove{{.Function.Name}} relationship.
// Sets {{.Function.Receiver}}.R.{{.Function.Name}} to nil.
// Removes {{.Function.Receiver}} from all passed in related items' relationships struct (Optional).
func ({{.Function.Receiver}} *{{.LocalTable.NameGo}}) Remove{{.Function.Name}}(exec boil.Executor, related ...*{{.ForeignTable.NameGo}}) error {
var err error
{{.Function.Receiver}}.{{.LocalTable.ColumnNameGo}}.Valid = false
if err = {{.Function.Receiver}}.Update(exec, "{{.ForeignKey.Column}}"); err != nil {
{{.Function.Receiver}}.{{.LocalTable.ColumnNameGo}}.Valid = true
return errors.Wrap(err, "failed to update local table")
}
for _, rel := range related {
if rel.R == nil {
continue
}
{{if .ForeignKey.Unique -}}
rel.R.{{.Function.ForeignName}} = nil
{{else -}}
for i, ri := range rel.R.{{.Function.ForeignName}} {
if {{.Function.Receiver}}.{{.Function.LocalAssignment}} != ri.{{.Function.LocalAssignment}} {
continue
}
ln := len(rel.R.{{.Function.ForeignName}})
if ln > 1 && i < ln-1 {
rel.R.{{.Function.ForeignName}}[i], rel.R.{{.Function.ForeignName}}[ln-1] =
rel.R.{{.Function.ForeignName}}[ln-1], rel.R.{{.Function.ForeignName}}[i]
}
rel.R.{{.Function.ForeignName}} = rel.R.{{.Function.ForeignName}}[:ln-1]
break
}
{{end -}}
}
{{.Function.Receiver}}.R.{{.Function.Name}} = nil
return nil
}
{{end -}}
{{- end -}}
{{- if .Table.IsJoinTable -}}
{{- else -}}
{{- $dot := . -}}
{{- range .Table.FKeys -}}
{{- $rel := textsFromForeignKey $dot.PkgName $dot.Tables $dot.Table . -}}
{{- template "relationship_to_one_setops_helper" $rel -}}
{{- end -}}
{{- end -}}