Add packagist webhook (#18224)

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

services/webhook/packagist.go

@@ -0,0 +1,112 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package webhook
+
+import (
+	"errors"
+
+	webhook_model "code.gitea.io/gitea/models/webhook"
+	"code.gitea.io/gitea/modules/json"
+	"code.gitea.io/gitea/modules/log"
+	api "code.gitea.io/gitea/modules/structs"
+)
+
+type (
+	// PackagistPayload represents
+	PackagistPayload struct {
+		PackagistRepository struct {
+			URL string `json:"url"`
+		} `json:"repository"`
+	}
+
+	// PackagistMeta contains the meta data for the webhook
+	PackagistMeta struct {
+		Username   string `json:"username"`
+		APIToken   string `json:"api_token"`
+		PackageURL string `json:"package_url"`
+	}
+)
+
+// GetPackagistHook returns packagist metadata
+func GetPackagistHook(w *webhook_model.Webhook) *PackagistMeta {
+	s := &PackagistMeta{}
+	if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
+		log.Error("webhook.GetPackagistHook(%d): %v", w.ID, err)
+	}
+	return s
+}
+
+// JSONPayload Marshals the PackagistPayload to json
+func (f *PackagistPayload) JSONPayload() ([]byte, error) {
+	data, err := json.MarshalIndent(f, "", "  ")
+	if err != nil {
+		return []byte{}, err
+	}
+	return data, nil
+}
+
+var _ PayloadConvertor = &PackagistPayload{}
+
+// Create implements PayloadConvertor Create method
+func (f *PackagistPayload) Create(p *api.CreatePayload) (api.Payloader, error) {
+	return nil, nil
+}
+
+// Delete implements PayloadConvertor Delete method
+func (f *PackagistPayload) Delete(p *api.DeletePayload) (api.Payloader, error) {
+	return nil, nil
+}
+
+// Fork implements PayloadConvertor Fork method
+func (f *PackagistPayload) Fork(p *api.ForkPayload) (api.Payloader, error) {
+	return nil, nil
+}
+
+// Push implements PayloadConvertor Push method
+func (f *PackagistPayload) Push(p *api.PushPayload) (api.Payloader, error) {
+	return f, nil
+}
+
+// Issue implements PayloadConvertor Issue method
+func (f *PackagistPayload) Issue(p *api.IssuePayload) (api.Payloader, error) {
+	return nil, nil
+}
+
+// IssueComment implements PayloadConvertor IssueComment method
+func (f *PackagistPayload) IssueComment(p *api.IssueCommentPayload) (api.Payloader, error) {
+	return nil, nil
+}
+
+// PullRequest implements PayloadConvertor PullRequest method
+func (f *PackagistPayload) PullRequest(p *api.PullRequestPayload) (api.Payloader, error) {
+	return nil, nil
+}
+
+// Review implements PayloadConvertor Review method
+func (f *PackagistPayload) Review(p *api.PullRequestPayload, event webhook_model.HookEventType) (api.Payloader, error) {
+	return nil, nil
+}
+
+// Repository implements PayloadConvertor Repository method
+func (f *PackagistPayload) Repository(p *api.RepositoryPayload) (api.Payloader, error) {
+	return nil, nil
+}
+
+// Release implements PayloadConvertor Release method
+func (f *PackagistPayload) Release(p *api.ReleasePayload) (api.Payloader, error) {
+	return nil, nil
+}
+
+// GetPackagistPayload converts a packagist webhook into a PackagistPayload
+func GetPackagistPayload(p api.Payloader, event webhook_model.HookEventType, meta string) (api.Payloader, error) {
+	s := new(PackagistPayload)
+
+	packagist := &PackagistMeta{}
+	if err := json.Unmarshal([]byte(meta), &packagist); err != nil {
+		return s, errors.New("GetPackagistPayload meta json:" + err.Error())
+	}
+	s.PackagistRepository.URL = packagist.PackageURL
+	return convertPayloader(s, p, event)
+}