chore(服务端): 初始化工程仓库

internal/domain/domain.go

@@ -0,0 +1,126 @@
+package domain
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+type Color struct {
+	Code      string `json:"code"`
+	Name      string `json:"name"`
+	Hex       string `json:"hex"`
+	Location  string `json:"location"`
+	Available bool   `json:"available"`
+}
+type Pattern struct {
+	ID         string    `json:"id"`
+	Title      string    `json:"title"`
+	Category   string    `json:"category"`
+	Width      int       `json:"width"`
+	Height     int       `json:"height"`
+	Cells      []*string `json:"cells"`
+	Colors     []Color   `json:"colors"`
+	BeadCount  int       `json:"beadCount"`
+	OwnerID    string    `json:"ownerId,omitempty"`
+	Visibility string    `json:"visibility"`
+	CreatedAt  string    `json:"createdAt"`
+	StoreID    string    `json:"storeId"`
+	Demo       bool      `json:"demo"`
+}
+type User struct {
+	ID      string `json:"id"`
+	Name    string `json:"name"`
+	Role    string `json:"role"`
+	StoreID string `json:"storeId"`
+}
+type Store struct {
+	ID            string `json:"id"`
+	Name          string `json:"name"`
+	Address       string `json:"address"`
+	Hours         string `json:"hours"`
+	Notice        string `json:"notice"`
+	LocalBaseURL  string `json:"localBaseUrl"`
+	PublicBaseURL string `json:"publicBaseUrl"`
+}
+type Table struct {
+	Code    string `json:"code"`
+	Label   string `json:"label"`
+	Enabled bool   `json:"enabled"`
+}
+type Visit struct {
+	ID        string `json:"id"`
+	StoreID   string `json:"storeId"`
+	TableCode string `json:"tableCode"`
+	Status    string `json:"status"`
+}
+type Request struct {
+	ID        string `json:"id"`
+	StoreID   string `json:"storeId"`
+	UserID    string `json:"userId"`
+	TableCode string `json:"tableCode"`
+	Kind      string `json:"kind"`
+	Note      string `json:"note"`
+	Status    string `json:"status"`
+	PatternID string `json:"patternId,omitempty"`
+	CreatedAt string `json:"createdAt"`
+	UpdatedAt string `json:"updatedAt"`
+}
+
+var hexColor = regexp.MustCompile(`^#[0-9a-fA-F]{6}$`)
+
+func ValidateColors(cs []Color) error {
+	seen := map[string]bool{}
+	if len(cs) == 0 || len(cs) > 512 {
+		return fmt.Errorf("色板需包含 1–512 色")
+	}
+	for _, c := range cs {
+		if strings.TrimSpace(c.Code) == "" || len(c.Code) > 32 || seen[c.Code] || !hexColor.MatchString(c.Hex) {
+			return fmt.Errorf("色号重复或颜色格式错误")
+		}
+		seen[c.Code] = true
+	}
+	return nil
+}
+func (p *Pattern) Validate() error {
+	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 {
+		return fmt.Errorf("图纸名称或尺寸无效（最大 200×200）")
+	}
+	if p.Visibility != "public" && p.Visibility != "private" {
+		return fmt.Errorf("可见性无效")
+	}
+	if err := ValidateColors(p.Colors); err != nil {
+		return err
+	}
+	cs := map[string]bool{}
+	for _, c := range p.Colors {
+		cs[c.Code] = true
+	}
+	p.BeadCount = 0
+	for _, c := range p.Cells {
+		if c != nil {
+			if !cs[*c] {
+				return fmt.Errorf("网格含未知色号")
+			}
+			p.BeadCount++
+		}
+	}
+	return nil
+}
+func Transition(role, old, next string, own bool) bool {
+	if role == "admin" || role == "staff" {
+		return old == "pending" && next == "accepted" || old == "accepted" && next == "completed"
+	}
+	return own && old == "pending" && next == "cancelled"
+}
+func Fingerprint(kind, note, pattern string) string {
+	b, _ := json.Marshal([]string{kind, note, pattern})
+	h := sha256.Sum256(b)
+	return hex.EncodeToString(h[:])
+}
+func CanRead(p Pattern, u User) bool {
+	return p.Visibility == "public" || p.OwnerID == u.ID && u.ID != "" || (u.Role == "admin" || u.Role == "staff") && p.StoreID == u.StoreID
+}