127 lines
3.6 KiB
Go
127 lines
3.6 KiB
Go
package domain
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import (
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"regexp"
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"strings"
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)
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type Color struct {
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Code string `json:"code"`
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Name string `json:"name"`
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Hex string `json:"hex"`
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Location string `json:"location"`
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Available bool `json:"available"`
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}
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type Pattern struct {
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ID string `json:"id"`
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Title string `json:"title"`
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Category string `json:"category"`
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Width int `json:"width"`
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Height int `json:"height"`
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Cells []*string `json:"cells"`
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Colors []Color `json:"colors"`
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BeadCount int `json:"beadCount"`
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OwnerID string `json:"ownerId,omitempty"`
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Visibility string `json:"visibility"`
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CreatedAt string `json:"createdAt"`
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StoreID string `json:"storeId"`
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Demo bool `json:"demo"`
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}
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type User struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Role string `json:"role"`
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StoreID string `json:"storeId"`
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}
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type Store struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Address string `json:"address"`
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Hours string `json:"hours"`
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Notice string `json:"notice"`
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LocalBaseURL string `json:"localBaseUrl"`
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PublicBaseURL string `json:"publicBaseUrl"`
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}
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type Table struct {
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Code string `json:"code"`
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Label string `json:"label"`
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Enabled bool `json:"enabled"`
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}
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type Visit struct {
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ID string `json:"id"`
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StoreID string `json:"storeId"`
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TableCode string `json:"tableCode"`
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Status string `json:"status"`
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}
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type Request struct {
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ID string `json:"id"`
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StoreID string `json:"storeId"`
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UserID string `json:"userId"`
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TableCode string `json:"tableCode"`
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Kind string `json:"kind"`
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Note string `json:"note"`
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Status string `json:"status"`
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PatternID string `json:"patternId,omitempty"`
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CreatedAt string `json:"createdAt"`
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UpdatedAt string `json:"updatedAt"`
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}
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var hexColor = regexp.MustCompile(`^#[0-9a-fA-F]{6}$`)
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func ValidateColors(cs []Color) error {
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seen := map[string]bool{}
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if len(cs) == 0 || len(cs) > 512 {
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return fmt.Errorf("色板需包含 1–512 色")
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}
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for _, c := range cs {
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if strings.TrimSpace(c.Code) == "" || len(c.Code) > 32 || seen[c.Code] || !hexColor.MatchString(c.Hex) {
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return fmt.Errorf("色号重复或颜色格式错误")
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}
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seen[c.Code] = true
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}
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return nil
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}
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func (p *Pattern) Validate() error {
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if strings.TrimSpace(p.Title) == "" || len(p.Title) > 200 || p.Width < 1 || p.Height < 1 || p.Width > 200 || p.Height > 200 || len(p.Cells) != p.Width*p.Height {
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return fmt.Errorf("图纸名称或尺寸无效（最大 200×200）")
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}
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if p.Visibility != "public" && p.Visibility != "private" {
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return fmt.Errorf("可见性无效")
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}
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if err := ValidateColors(p.Colors); err != nil {
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return err
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}
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cs := map[string]bool{}
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for _, c := range p.Colors {
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cs[c.Code] = true
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}
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p.BeadCount = 0
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for _, c := range p.Cells {
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if c != nil {
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if !cs[*c] {
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return fmt.Errorf("网格含未知色号")
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}
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p.BeadCount++
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}
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}
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return nil
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}
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func Transition(role, old, next string, own bool) bool {
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if role == "admin" || role == "staff" {
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return old == "pending" && next == "accepted" || old == "accepted" && next == "completed"
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}
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return own && old == "pending" && next == "cancelled"
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}
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func Fingerprint(kind, note, pattern string) string {
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b, _ := json.Marshal([]string{kind, note, pattern})
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h := sha256.Sum256(b)
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return hex.EncodeToString(h[:])
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}
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func CanRead(p Pattern, u User) bool {
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return p.Visibility == "public" || p.OwnerID == u.ID && u.ID != "" || (u.Role == "admin" || u.Role == "staff") && p.StoreID == u.StoreID
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}
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