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package main
import (
"time"
)
type OfferPrice struct {
Currency string
MinQty uint32
Price float32
}
type Offer struct {
Distributor, Sku, Url, Comment string
Prices []OfferPrice
}
type LineItem struct {
Mfg, Mpn, Description, Comment, Tag string
Elements []string // TODO: add "circuit element" type
Offers []Offer
}
func (li *LineItem) Id() string {
return li.Mfg + "::" + li.Mpn
}
// The main anchor of a BOM as a cohesive whole, with a name and permissions.
// Multiple BOMs are associated with a single BomStub; the currently active one
// is the 'head'.
type BomStub struct {
Name string
Owner string
Description string
HeadVersion string
Homepage *Url
IsPublicView, IsPublicEdit bool
}
// An actual list of parts/elements. Intended to be immutable once persisted.
type Bom struct {
Version string
Created time.Time // TODO: unix timestamp?
Progeny string // where did this BOM come from?
LineItems []LineItem
}
func NewBom(version string) *Bom {
return &Bom{Version: version, Created: time.Now()}
}
func (b *Bom) GetLineItem(mfg, mpn string) *LineItem {
for _, li := range b.LineItems {
if li.Mfg == mfg && li.Mpn == mpn {
return &li
}
}
return nil
}
func (b *Bom) AddLineItem(li *LineItem) error {
if eli := b.GetLineItem(li.Mfg, li.Mpn); eli != nil {
return Error("This BOM already had an identical LineItem")
}
b.LineItems = append(b.LineItems, *li)
return nil
}
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