5c9b88db4f
* fix: Fixes issues w/ shared pointers to structs (#378) * feat: Adds even better debugging and linting support (#376) This is a #PATCH release.
274 lines
8.6 KiB
Go
274 lines
8.6 KiB
Go
package app
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import (
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"errors"
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"fmt"
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"net"
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"net/http"
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"os"
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"time"
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"github.com/harrisoncramer/gitlab.nvim/cmd/app/git"
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"github.com/xanzy/go-gitlab"
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)
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/*
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startSever starts the server and runs concurrent goroutines
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to handle potential shutdown requests and incoming HTTP requests.
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*/
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func StartServer(client *Client, projectInfo *ProjectInfo, GitInfo git.GitData) {
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s := shutdownService{
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sigCh: make(chan os.Signal, 1),
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}
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fr := attachmentReader{}
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r := CreateRouter(
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client,
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projectInfo,
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&s,
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func(a *data) error { a.projectInfo = projectInfo; return nil },
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func(a *data) error { a.gitInfo = &GitInfo; return nil },
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func(a *data) error { err := attachEmojis(a, fr); return err },
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)
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l := createListener()
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server := &http.Server{Handler: r}
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/* Starts the Go server */
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go func() {
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err := server.Serve(l)
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if err != nil {
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if !errors.Is(err, http.ErrServerClosed) {
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fmt.Fprintf(os.Stderr, "Server crashed: %s\n", err)
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os.Exit(1)
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}
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}
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}()
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port := l.Addr().(*net.TCPAddr).Port
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err := checkServer(port)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Server did not respond: %s\n", err)
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os.Exit(1)
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}
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/* This print is detected by the Lua code */
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fmt.Println("Server started on port: ", port)
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/* Handles shutdown requests */
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s.WatchForShutdown(server)
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}
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/*
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CreateRouterAndApi wires up the router and attaches all handlers to their respective routes. It also
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iterates over all option functions to configure API fields such as the project information and default
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file reader functionality
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*/
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type data struct {
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projectInfo *ProjectInfo
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gitInfo *git.GitData
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emojiMap EmojiMap
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}
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type optFunc func(a *data) error
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func CreateRouter(gitlabClient *Client, projectInfo *ProjectInfo, s *shutdownService, optFuncs ...optFunc) http.Handler {
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m := http.NewServeMux()
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d := data{
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projectInfo: &ProjectInfo{},
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gitInfo: &git.GitData{},
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}
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/* Mutates the API struct as necessary with configuration functions */
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for _, optFunc := range optFuncs {
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err := optFunc(&d)
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if err != nil {
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if os.Getenv("DEBUG") != "" {
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// TODO: We have some JSON files (emojis.json) we import relative to the binary in production and
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// expect to break during debugging, do not throw when that occurs.
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fmt.Fprintf(os.Stdout, "Issue occured setting up router: %s\n", err)
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} else {
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panic(err)
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}
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}
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}
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m.HandleFunc("/mr/approve", middleware(
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mergeRequestApproverService{d, gitlabClient}, // These functions are called from bottom to top...
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withMr(d, gitlabClient),
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/mr/comment", middleware(
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commentService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{
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http.MethodPost: newPayload[PostCommentRequest],
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http.MethodDelete: newPayload[DeleteCommentRequest],
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http.MethodPatch: newPayload[EditCommentRequest],
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}),
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withMethodCheck(http.MethodPost, http.MethodDelete, http.MethodPatch),
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))
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m.HandleFunc("/mr/merge", middleware(
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mergeRequestAccepterService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{http.MethodPost: newPayload[AcceptMergeRequestRequest]}),
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/mr/discussions/list", middleware(
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discussionsListerService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{http.MethodPost: newPayload[DiscussionsRequest]}),
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/mr/discussions/resolve", middleware(
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discussionsResolutionService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{http.MethodPut: newPayload[DiscussionResolveRequest]}),
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withMethodCheck(http.MethodPut),
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))
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m.HandleFunc("/mr/info", middleware(
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infoService{d, gitlabClient},
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withMr(d, gitlabClient),
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withMethodCheck(http.MethodGet),
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))
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m.HandleFunc("/mr/assignee", middleware(
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assigneesService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{http.MethodPut: newPayload[AssigneeUpdateRequest]}),
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withMethodCheck(http.MethodPut),
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))
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m.HandleFunc("/mr/summary", middleware(
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summaryService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{http.MethodPut: newPayload[SummaryUpdateRequest]}),
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withMethodCheck(http.MethodPut),
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))
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m.HandleFunc("/mr/reviewer", middleware(
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reviewerService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{http.MethodPut: newPayload[ReviewerUpdateRequest]}),
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withMethodCheck(http.MethodPut),
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))
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m.HandleFunc("/mr/revisions", middleware(
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revisionsService{d, gitlabClient},
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withMr(d, gitlabClient),
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withMethodCheck(http.MethodGet),
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))
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m.HandleFunc("/mr/reply", middleware(
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replyService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{http.MethodPost: newPayload[ReplyRequest]}),
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/mr/label", middleware(
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labelService{d, gitlabClient},
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withMr(d, gitlabClient),
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))
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m.HandleFunc("/mr/revoke", middleware(
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mergeRequestRevokerService{d, gitlabClient},
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withMethodCheck(http.MethodPost),
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withMr(d, gitlabClient),
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))
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m.HandleFunc("/mr/awardable/note/", middleware(
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emojiService{d, gitlabClient},
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withMethodCheck(http.MethodPost, http.MethodDelete),
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withMr(d, gitlabClient),
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))
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m.HandleFunc("/mr/draft_notes/", middleware(
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draftNoteService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{
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http.MethodPost: newPayload[PostDraftNoteRequest],
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http.MethodPatch: newPayload[UpdateDraftNoteRequest],
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}),
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withMethodCheck(http.MethodGet, http.MethodPost, http.MethodPatch, http.MethodDelete),
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))
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m.HandleFunc("/mr/draft_notes/publish", middleware(
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draftNotePublisherService{d, gitlabClient},
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withMr(d, gitlabClient),
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withPayloadValidation(methodToPayload{http.MethodPost: newPayload[DraftNotePublishRequest]}),
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/pipeline", middleware(
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pipelineService{d, gitlabClient, git.Git{}},
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withMethodCheck(http.MethodGet),
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))
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m.HandleFunc("/pipeline/trigger/", middleware(
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pipelineService{d, gitlabClient, git.Git{}},
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/users/me", middleware(
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meService{d, gitlabClient},
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withMethodCheck(http.MethodGet),
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))
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m.HandleFunc("/attachment", middleware(
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attachmentService{data: d, client: gitlabClient, fileReader: attachmentReader{}},
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withPayloadValidation(methodToPayload{http.MethodPost: newPayload[AttachmentRequest]}),
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/create_mr", middleware(
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mergeRequestCreatorService{d, gitlabClient},
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withPayloadValidation(methodToPayload{http.MethodPost: newPayload[CreateMrRequest]}),
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/job", middleware(
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traceFileService{d, gitlabClient},
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withPayloadValidation(methodToPayload{http.MethodGet: newPayload[JobTraceRequest]}),
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withMethodCheck(http.MethodGet),
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))
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m.HandleFunc("/project/members", middleware(
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projectMemberService{d, gitlabClient},
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withMethodCheck(http.MethodGet),
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))
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m.HandleFunc("/merge_requests", middleware(
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mergeRequestListerService{d, gitlabClient},
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withPayloadValidation(methodToPayload{http.MethodPost: newPayload[gitlab.ListProjectMergeRequestsOptions]}), // TODO: How to validate external object
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/merge_requests_by_username", middleware(
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mergeRequestListerByUsernameService{d, gitlabClient},
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withPayloadValidation(methodToPayload{http.MethodPost: newPayload[MergeRequestByUsernameRequest]}),
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/shutdown", middleware(
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*s,
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withPayloadValidation(methodToPayload{http.MethodPost: newPayload[ShutdownRequest]}),
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withMethodCheck(http.MethodPost),
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))
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m.HandleFunc("/ping", func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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fmt.Fprintln(w, "pong")
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})
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return LoggingServer{handler: m}
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}
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/* checkServer pings the server repeatedly for 1 full second after startup in order to notify the plugin that the server is ready */
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func checkServer(port int) error {
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for i := 0; i < 10; i++ {
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resp, err := http.Get("http://localhost:" + fmt.Sprintf("%d", port) + "/ping")
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if resp != nil && resp.StatusCode == 200 && err == nil {
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return nil
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}
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time.Sleep(100 * time.Microsecond)
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}
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return errors.New("could not start server")
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}
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/* Creates a TCP listener on the port specified by the user or a random port */
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func createListener() (l net.Listener) {
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addr := fmt.Sprintf("localhost:%d", pluginOptions.Port)
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l, err := net.Listen("tcp", addr)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error starting server: %s\n", err)
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os.Exit(1)
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}
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return l
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}
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