Initial commit of Descrybe v2 without local scratch artifacts.

Drop one-shot tmp/axe scripts and agent i18n scratch so the Gitea tree is deployable.
This commit is contained in:
2026-08-09 22:47:43 +02:00
commit 8580c996c3
1285 changed files with 325780 additions and 0 deletions
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package shopify
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
"sync/atomic"
"time"
"github.com/descrybe/descrybe-v2/apps/api/internal/security"
)
const (
defaultAPIVersion = "2024-10"
defaultTimeout = 30 * time.Second
maxBodyBytes = 8 << 20
dryRunToken = "dry-run"
maxRateLimitRetries = 5
maxSKULookupChunk = 50
)
var apiVersionRe = regexp.MustCompile(`^\d{4}-\d{2}$`)
// normalizeAPIVersion accepts Shopify Admin API versions like "2024-10".
// Anything else falls back to the default to prevent path injection.
func normalizeAPIVersion(v string) string {
v = strings.TrimSpace(v)
if apiVersionRe.MatchString(v) {
return v
}
return defaultAPIVersion
}
// shopifySKUSearchQuery builds a GraphQL productVariants search string.
// Quoting prevents SKU characters from acting as Shopify search operators.
func shopifySKUSearchQuery(sku string) string {
escaped := strings.ReplaceAll(sku, `\`, `\\`)
escaped = strings.ReplaceAll(escaped, `"`, `\"`)
return `sku:"` + escaped + `"`
}
// shopifySKUSearchQueryOR joins multiple sku:"…" clauses for one GraphQL lookup.
func shopifySKUSearchQueryOR(skus []string) string {
parts := make([]string, 0, len(skus))
for _, sku := range skus {
sku = strings.TrimSpace(sku)
if sku == "" {
continue
}
parts = append(parts, shopifySKUSearchQuery(sku))
}
return strings.Join(parts, " OR ")
}
func uniqueTrimmedSKUs(skus []string) []string {
seen := make(map[string]struct{}, len(skus))
out := make([]string, 0, len(skus))
for _, sku := range skus {
sku = strings.TrimSpace(sku)
if sku == "" {
continue
}
if _, ok := seen[sku]; ok {
continue
}
seen[sku] = struct{}{}
out = append(out, sku)
}
return out
}
func retryAfterWait(h http.Header, attempt int) time.Duration {
if ra := strings.TrimSpace(h.Get("Retry-After")); ra != "" {
if secs, err := strconv.Atoi(ra); err == nil && secs >= 0 {
return time.Duration(secs) * time.Second
}
}
// 1s, 2s, 4s, 8s, 16s (capped)
shift := attempt
if shift > 4 {
shift = 4
}
return time.Duration(1<<shift) * time.Second
}
type Client struct {
ShopDomain string
AccessToken string
APIVersion string
HTTP *http.Client
DryRun bool
dryProductSeq atomic.Int64
dryOrderSeq atomic.Int64
}
type ShopInfo struct {
ID int64 `json:"id"`
Name string `json:"name"`
Domain string `json:"domain"`
Email string `json:"email"`
Currency string `json:"currency"`
}
type ProductImage struct {
Src string `json:"src,omitempty"`
}
type ProductVariant struct {
ID int64 `json:"id,omitempty"`
SKU string `json:"sku,omitempty"`
Price string `json:"price,omitempty"`
Barcode string `json:"barcode,omitempty"`
}
type Metafield struct {
Namespace string `json:"namespace"`
Key string `json:"key"`
Value string `json:"value"`
Type string `json:"type"`
}
type ProductPayload struct {
ID int64 `json:"id,omitempty"`
Title string `json:"title,omitempty"`
BodyHTML string `json:"body_html,omitempty"`
Vendor string `json:"vendor,omitempty"`
ProductType string `json:"product_type,omitempty"`
Status string `json:"status,omitempty"`
Tags string `json:"tags,omitempty"`
Variants []ProductVariant `json:"variants,omitempty"`
Images []ProductImage `json:"images,omitempty"`
Metafields []Metafield `json:"metafields,omitempty"`
}
type Product struct {
ID int64 `json:"id"`
Title string `json:"title"`
Variants []ProductVariant `json:"variants"`
}
type OrderCustomer struct {
ID int64 `json:"id"`
Email string `json:"email"`
FirstName string `json:"first_name"`
LastName string `json:"last_name"`
}
type OrderLineItem struct {
ID int64 `json:"id"`
ProductID int64 `json:"product_id"`
VariantID int64 `json:"variant_id"`
SKU string `json:"sku"`
Title string `json:"title"`
Name string `json:"name"`
Quantity int `json:"quantity"`
Price string `json:"price"`
Raw json.RawMessage `json:"-"`
}
type Order struct {
ID int64 `json:"id"`
Name string `json:"name"`
FinancialStatus string `json:"financial_status"`
FulfillmentStatus string `json:"fulfillment_status"`
Currency string `json:"currency"`
TotalPrice string `json:"total_price"`
CreatedAt string `json:"created_at"`
Customer *OrderCustomer `json:"customer"`
Email string `json:"email"`
LineItems []OrderLineItem `json:"line_items"`
Raw json.RawMessage `json:"-"`
}
func NewClient(shopDomain, token, apiVersion string, httpClient *http.Client) *Client {
if httpClient == nil {
httpClient = security.SafeHTTPClient(defaultTimeout, false)
}
apiVersion = normalizeAPIVersion(apiVersion)
token = strings.TrimSpace(token)
dry := strings.EqualFold(token, dryRunToken)
return &Client{
ShopDomain: strings.TrimSpace(strings.ToLower(shopDomain)),
AccessToken: token,
APIVersion: apiVersion,
HTTP: httpClient,
DryRun: dry,
}
}
func (c *Client) TestConnection(ctx context.Context) (*ShopInfo, error) {
if c.DryRun {
return &ShopInfo{ID: 1, Name: "Dry Run Shop", Domain: c.ShopDomain, Currency: "USD"}, nil
}
raw, err := c.do(ctx, http.MethodGet, "/shop.json", nil, nil)
if err != nil {
return nil, err
}
var wrap struct {
Shop ShopInfo `json:"shop"`
}
if err := json.Unmarshal(raw, &wrap); err != nil {
return nil, err
}
return &wrap.Shop, nil
}
func (c *Client) FindProductBySKU(ctx context.Context, sku string) (*Product, error) {
found, err := c.FindProductsBySKUs(ctx, []string{sku})
if err != nil {
return nil, err
}
sku = strings.TrimSpace(sku)
if p, ok := found[sku]; ok && p.ID > 0 {
cp := p
return &cp, nil
}
return nil, nil
}
// FindProductsBySKUs resolves many SKUs in chunked GraphQL lookups (not one HTTP call per SKU).
// Keys in the returned map are the exact requested SKUs that matched.
func (c *Client) FindProductsBySKUs(ctx context.Context, skus []string) (map[string]Product, error) {
skus = uniqueTrimmedSKUs(skus)
out := make(map[string]Product, len(skus))
if len(skus) == 0 {
return out, nil
}
if c.DryRun {
return out, nil
}
type gqlResp struct {
Data struct {
ProductVariants struct {
Edges []struct {
Node struct {
SKU string `json:"sku"`
Product struct {
ID string `json:"id"`
Title string `json:"title"`
} `json:"product"`
} `json:"node"`
} `json:"edges"`
} `json:"productVariants"`
} `json:"data"`
Errors []struct {
Message string `json:"message"`
} `json:"errors"`
}
chunkSize := maxSKULookupChunk
for i := 0; i < len(skus); i += chunkSize {
end := i + chunkSize
if end > len(skus) {
end = len(skus)
}
chunk := skus[i:end]
want := make(map[string]struct{}, len(chunk))
for _, sku := range chunk {
want[sku] = struct{}{}
}
body := map[string]any{
"query": `query($q: String!, $n: Int!) {
productVariants(first: $n, query: $q) {
edges { node { sku product { id title } } }
}
}`,
"variables": map[string]any{
"q": shopifySKUSearchQueryOR(chunk),
"n": len(chunk),
},
}
raw, err := c.doGraphQL(ctx, body)
if err != nil {
return nil, err
}
var resp gqlResp
if err := json.Unmarshal(raw, &resp); err != nil {
return nil, err
}
if len(resp.Errors) > 0 {
return nil, fmt.Errorf("shopify graphql: %s", resp.Errors[0].Message)
}
for _, edge := range resp.Data.ProductVariants.Edges {
node := edge.Node
sku := strings.TrimSpace(node.SKU)
if _, ok := want[sku]; !ok {
continue
}
if _, exists := out[sku]; exists {
continue
}
id, err := parseShopifyGID(node.Product.ID)
if err != nil || id <= 0 {
continue
}
out[sku] = Product{
ID: id,
Title: node.Product.Title,
Variants: []ProductVariant{{SKU: sku}},
}
}
}
return out, nil
}
func parseShopifyGID(gid string) (int64, error) {
// gid://shopify/Product/1234567890
parts := strings.Split(strings.TrimSpace(gid), "/")
if len(parts) == 0 {
return 0, fmt.Errorf("empty gid")
}
return strconv.ParseInt(parts[len(parts)-1], 10, 64)
}
func (c *Client) doGraphQL(ctx context.Context, body any) ([]byte, error) {
base := AdminBaseURL(c.ShopDomain)
apiPath := fmt.Sprintf("/admin/api/%s/graphql.json", c.APIVersion)
u, err := url.Parse(base + apiPath)
if err != nil {
return nil, err
}
if err := GuardAdminURL(u.String(), c.ShopDomain); err != nil {
return nil, err
}
b, err := json.Marshal(body)
if err != nil {
return nil, err
}
var lastErr error
for attempt := 0; attempt <= maxRateLimitRetries; attempt++ {
req, err := http.NewRequestWithContext(ctx, http.MethodPost, u.String(), bytes.NewReader(b))
if err != nil {
return nil, err
}
req.Header.Set("Accept", "application/json")
req.Header.Set("Content-Type", "application/json")
req.Header.Set("User-Agent", "Descrybe-Shopify/2.0")
req.Header.Set("X-Shopify-Access-Token", c.AccessToken)
res, err := c.HTTP.Do(req)
if err != nil {
return nil, err
}
limited := io.LimitReader(res.Body, maxBodyBytes+1)
raw, err := io.ReadAll(limited)
res.Body.Close()
if err != nil {
return nil, err
}
if len(raw) > maxBodyBytes {
return nil, fmt.Errorf("shopify response too large")
}
if res.StatusCode == http.StatusTooManyRequests || res.StatusCode == http.StatusServiceUnavailable {
lastErr = fmt.Errorf("shopify graphql %d: rate limited", res.StatusCode)
if attempt == maxRateLimitRetries {
break
}
wait := retryAfterWait(res.Header, attempt)
select {
case <-ctx.Done():
return nil, ctx.Err()
case <-time.After(wait):
}
continue
}
if res.StatusCode < 200 || res.StatusCode >= 300 {
msg := strings.TrimSpace(string(raw))
if len(msg) > 400 {
msg = msg[:400] + "…"
}
return nil, fmt.Errorf("shopify graphql %d: %s", res.StatusCode, msg)
}
return raw, nil
}
return nil, lastErr
}
func (c *Client) CreateProduct(ctx context.Context, product ProductPayload) (*Product, error) {
if c.DryRun {
id := c.dryProductSeq.Add(1) + 1000
return &Product{ID: id, Title: product.Title, Variants: product.Variants}, nil
}
raw, err := c.do(ctx, http.MethodPost, "/products.json", nil, map[string]any{"product": product})
if err != nil {
return nil, err
}
var wrap struct {
Product Product `json:"product"`
}
if err := json.Unmarshal(raw, &wrap); err != nil {
return nil, err
}
return &wrap.Product, nil
}
func (c *Client) UpdateProduct(ctx context.Context, productID int64, product ProductPayload) (*Product, error) {
product.ID = productID
if c.DryRun {
return &Product{ID: productID, Title: product.Title, Variants: product.Variants}, nil
}
path := fmt.Sprintf("/products/%d.json", productID)
raw, err := c.do(ctx, http.MethodPut, path, nil, map[string]any{"product": product})
if err != nil {
return nil, err
}
var wrap struct {
Product Product `json:"product"`
}
if err := json.Unmarshal(raw, &wrap); err != nil {
return nil, err
}
return &wrap.Product, nil
}
func (c *Client) ListOrdersPage(ctx context.Context, pageInfo string, limit int) ([]Order, string, error) {
if limit <= 0 || limit > 250 {
limit = 50
}
if c.DryRun {
if pageInfo != "" {
return nil, "", nil
}
id := c.dryOrderSeq.Add(1) + 5000
return []Order{{
ID: id,
Name: fmt.Sprintf("#D%d", id),
FinancialStatus: "paid",
Currency: "USD",
TotalPrice: "19.99",
CreatedAt: time.Now().UTC().Format(time.RFC3339),
Email: "dry-run@example.com",
Customer: &OrderCustomer{ID: 1, Email: "dry-run@example.com", FirstName: "Dry", LastName: "Run"},
LineItems: []OrderLineItem{{
ID: 1, ProductID: 1001, VariantID: 2001, SKU: "DRY-SKU", Title: "Dry product", Name: "Dry product", Quantity: 1, Price: "19.99",
}},
}}, "", nil
}
q := map[string]string{
"limit": strconv.Itoa(limit),
"status": "any",
"order": "created_at desc",
}
if pageInfo != "" {
q["page_info"] = pageInfo
}
raw, linkHeader, err := c.doWithHeaders(ctx, http.MethodGet, "/orders.json", q, nil)
if err != nil {
return nil, "", err
}
var wrap struct {
Orders []Order `json:"orders"`
}
if err := json.Unmarshal(raw, &wrap); err != nil {
return nil, "", err
}
var rawItems []json.RawMessage
_ = json.Unmarshal(extractArray(raw, "orders"), &rawItems)
for i := range wrap.Orders {
if i < len(rawItems) {
wrap.Orders[i].Raw = rawItems[i]
}
}
return wrap.Orders, nextPageInfo(linkHeader), nil
}
func extractArray(raw []byte, key string) []byte {
var m map[string]json.RawMessage
if json.Unmarshal(raw, &m) != nil {
return nil
}
return m[key]
}
func nextPageInfo(linkHeader string) string {
// Rel="next" URL page_info=...
parts := strings.Split(linkHeader, ",")
for _, part := range parts {
if !strings.Contains(part, `rel="next"`) {
continue
}
start := strings.Index(part, "<")
end := strings.Index(part, ">")
if start < 0 || end <= start {
continue
}
u, err := url.Parse(part[start+1 : end])
if err != nil {
continue
}
return u.Query().Get("page_info")
}
return ""
}
func (c *Client) do(ctx context.Context, method, path string, query map[string]string, body any) ([]byte, error) {
raw, _, err := c.doWithHeaders(ctx, method, path, query, body)
return raw, err
}
func (c *Client) doWithHeaders(ctx context.Context, method, path string, query map[string]string, body any) ([]byte, string, error) {
base := AdminBaseURL(c.ShopDomain)
apiPath := fmt.Sprintf("/admin/api/%s%s", c.APIVersion, path)
u, err := url.Parse(base + apiPath)
if err != nil {
return nil, "", err
}
if err := GuardAdminURL(u.String(), c.ShopDomain); err != nil {
return nil, "", err
}
q := u.Query()
for k, v := range query {
if v != "" {
q.Set(k, v)
}
}
u.RawQuery = q.Encode()
if err := GuardAdminURL(u.String(), c.ShopDomain); err != nil {
return nil, "", err
}
var bodyBytes []byte
if body != nil {
bodyBytes, err = json.Marshal(body)
if err != nil {
return nil, "", err
}
}
var lastErr error
for attempt := 0; attempt <= maxRateLimitRetries; attempt++ {
var rdr io.Reader
if bodyBytes != nil {
rdr = bytes.NewReader(bodyBytes)
}
req, err := http.NewRequestWithContext(ctx, method, u.String(), rdr)
if err != nil {
return nil, "", err
}
req.Header.Set("Accept", "application/json")
req.Header.Set("User-Agent", "Descrybe-Shopify/2.0")
req.Header.Set("X-Shopify-Access-Token", c.AccessToken)
if bodyBytes != nil {
req.Header.Set("Content-Type", "application/json")
}
res, err := c.HTTP.Do(req)
if err != nil {
return nil, "", err
}
limited := io.LimitReader(res.Body, maxBodyBytes+1)
raw, err := io.ReadAll(limited)
link := res.Header.Get("Link")
res.Body.Close()
if err != nil {
return nil, "", err
}
if len(raw) > maxBodyBytes {
return nil, "", fmt.Errorf("shopify response too large")
}
if res.StatusCode == http.StatusTooManyRequests || res.StatusCode == http.StatusServiceUnavailable {
lastErr = fmt.Errorf("shopify api %d: rate limited", res.StatusCode)
if attempt == maxRateLimitRetries {
break
}
wait := retryAfterWait(res.Header, attempt)
select {
case <-ctx.Done():
return nil, "", ctx.Err()
case <-time.After(wait):
}
continue
}
if res.StatusCode < 200 || res.StatusCode >= 300 {
msg := strings.TrimSpace(string(raw))
if len(msg) > 400 {
msg = msg[:400] + "…"
}
return nil, "", fmt.Errorf("shopify api %d: %s", res.StatusCode, msg)
}
return raw, link, nil
}
return nil, "", lastErr
}