81dda274eb
* Remove Compose service related bits out of the DAL service * Minor DB connectivity tweaks and include capabilities * Add values column to the compose_record table * Compose types tweaks
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
package dal
|
|
|
|
type (
|
|
AttributeCodecType string
|
|
|
|
// Codec defines how values for a specific model attribute
|
|
// are retrieved or stored
|
|
//
|
|
// If attribute does not have store strategy set
|
|
// store driver should use attribute name to determinate
|
|
// source/destination of the value (table column, json document property)
|
|
Codec interface {
|
|
Type() AttributeCodecType
|
|
}
|
|
|
|
CodecPlain struct{}
|
|
|
|
// CodecRecordValueSetJSON defines that values are encoded/decoded into
|
|
// a JSON simple document { [_: string]: Array<unknown> }
|
|
//
|
|
// This only solves
|
|
// Attribute{Ident: "foo", Store: StoreCodecRecordValueJSON{ Ident: "bar" }
|
|
// => "bar"->'foo'->0
|
|
CodecRecordValueSetJSON struct {
|
|
Ident string
|
|
}
|
|
|
|
// handling complex JSON documents
|
|
//StoreCodecJSON struct {
|
|
// Ident string
|
|
// Path []any
|
|
//}
|
|
//
|
|
// { "@value": ... "@type": .... }
|
|
// StoreCodecJSONLD struct { Ident string; Path []any }
|
|
|
|
// StoreCodecXML
|
|
//StoreCodecXML struct {}
|
|
|
|
// CodecAlias defines case when value is not stored
|
|
// under the same column (in case of an SQL table)
|
|
//
|
|
// Value of CodecAlias.Ident is used as base
|
|
// and value of Attribute.Ident holding CodecAlias is used
|
|
// as an alias!
|
|
//
|
|
// Attribute{Ident: "foo", Store: CodecAlias{ Ident: "bar" }
|
|
// => "bar" as "foo"
|
|
CodecAlias struct {
|
|
Ident string
|
|
}
|
|
)
|
|
|
|
func (*CodecPlain) Type() AttributeCodecType { return "corteza::dal:attribute-codec:plain" }
|
|
func (*CodecRecordValueSetJSON) Type() AttributeCodecType {
|
|
return "corteza::dal:attribute-codec:record-value-set-json"
|
|
}
|
|
func (*CodecAlias) Type() AttributeCodecType { return "corteza::dal:attribute-codec:alias" }
|