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public.go
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public.go
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package cms
import (
"context"
"encoding/json"
"fmt"
"io"
"math"
"net/http"
"net/url"
"path"
"strconv"
"time"
"github.com/samber/lo"
)
type PublicAPIClient[T any] struct {
c *http.Client
base *url.URL
timeout time.Duration
}
func NewPublicAPIClient[T any](c *http.Client, base string) (*PublicAPIClient[T], error) {
if c == nil {
c = http.DefaultClient
}
u, err := url.Parse(base)
if err != nil {
return nil, err
}
return &PublicAPIClient[T]{
c: c,
base: u,
}, nil
}
func (c *PublicAPIClient[T]) WithTimeout(t time.Duration) *PublicAPIClient[T] {
return &PublicAPIClient[T]{
c: c.c,
base: c.base,
timeout: t,
}
}
func (c *PublicAPIClient[T]) Clone() *PublicAPIClient[T] {
return &PublicAPIClient[T]{
c: c.c,
base: c.base,
timeout: c.timeout,
}
}
func (c *PublicAPIClient[T]) GetAllItems(ctx context.Context, project, model string) (res []T, err error) {
perPage := 100
for p := 1; ; p++ {
r, err := c.GetItems(ctx, project, model, p, perPage)
if err != nil {
return nil, err
}
res = append(res, r.Results...)
if !r.HasNext() {
break
}
}
return
}
func (c *PublicAPIClient[T]) GetAllItemsInParallel(ctx context.Context, project, model string, limit int) ([]T, error) {
perPage := 100
r, err := parallel(limit, func(i int) ([]T, int, error) {
r, err := c.GetItems(ctx, project, model, i+1, perPage)
if err != nil {
return nil, 0, err
}
return r.Results, int(math.Ceil(float64(r.TotalCount) / float64(perPage))), nil
})
if len(r) == 0 {
return nil, err
}
return lo.Flatten(r), err
}
func (c *PublicAPIClient[T]) GetItems(ctx context.Context, project, model string, page, perPage int) (_ *PublicAPIListResponse[T], err error) {
u := cloneURL(c.base)
u.Path = path.Join(u.Path, "api", "p", project, model)
q := url.Values{}
if page > 0 {
q.Set("page", strconv.Itoa(page))
}
if perPage > 0 {
q.Set("per_page", strconv.Itoa(perPage))
}
u.RawQuery = q.Encode()
var r PublicAPIListResponse[T]
if err := c.send(ctx, "GET", u.String(), nil, &r); err != nil {
return nil, err
}
r.Page = page
r.PerPage = perPage
return &r, nil
}
func (c *PublicAPIClient[T]) GetItem(ctx context.Context, project, model string, id string) (T, error) {
u := cloneURL(c.base)
u.Path = path.Join(u.Path, "api", "p", project, model, id)
var r T
err := c.send(ctx, "GET", u.String(), nil, &r)
return r, err
}
func (c *PublicAPIClient[T]) GetAsset(ctx context.Context, project, id string) (*PublicAsset, error) {
u := cloneURL(c.base)
u.Path = path.Join(u.Path, "api", "p", project, "assets", id)
var r PublicAsset
if err := c.send(ctx, "GET", u.String(), nil, &r); err != nil {
return nil, err
}
return &r, nil
}
func (c *PublicAPIClient[T]) send(ctx context.Context, method, url string, body io.Reader, resb any) error {
ctx2 := ctx
if c.timeout > 0 {
ctx3, cancel := context.WithTimeout(context.Background(), c.timeout)
ctx2 = ctx3
defer cancel()
}
req, err := http.NewRequestWithContext(ctx2, method, url, body)
if err != nil {
return err
}
res, err := c.c.Do(req)
if err != nil {
return err
}
defer func() {
_ = res.Body.Close()
}()
if res.StatusCode != http.StatusOK {
if res.StatusCode == http.StatusNotFound {
err = ErrNotFound
} else {
err = fmt.Errorf("invalid status code: %d", res.StatusCode)
}
return err
}
if err := json.NewDecoder(res.Body).Decode(&resb); err != nil {
return err
}
return nil
}
func ChangePublicAPIClientType[T, K any](c *PublicAPIClient[T]) *PublicAPIClient[K] {
if c == nil {
return nil
}
return &PublicAPIClient[K]{
c: c.c,
base: c.base,
timeout: c.timeout,
}
}
type PublicAPIListResponse[T any] struct {
Results []T `json:"results"`
PerPage int `json:"perPage"`
Page int `json:"page"`
TotalCount int `json:"totalCount"`
}
func (r PublicAPIListResponse[T]) HasNext() bool {
if r.PerPage == 0 {
return false
}
return r.TotalCount > r.Page*r.PerPage
}
type PublicAsset struct {
Type string `json:"type,omitempty"`
Files []string `json:"files,omitempty"`
Asset
}
func (a PublicAsset) IsExtractionDone() bool {
return a.ArchiveExtractionStatus == "done"
}