import.go

  1package launchpad
  2
  3import (
  4	"fmt"
  5	"time"
  6
  7	"github.com/pkg/errors"
  8
  9	"github.com/MichaelMure/git-bug/bridge/core"
 10	"github.com/MichaelMure/git-bug/bug"
 11	"github.com/MichaelMure/git-bug/cache"
 12	"github.com/MichaelMure/git-bug/entity"
 13)
 14
 15type launchpadImporter struct {
 16	conf core.Configuration
 17}
 18
 19func (li *launchpadImporter) Init(conf core.Configuration) error {
 20	li.conf = conf
 21	return nil
 22}
 23
 24const keyLaunchpadID = "launchpad-id"
 25const keyLaunchpadLogin = "launchpad-login"
 26
 27func (li *launchpadImporter) ensurePerson(repo *cache.RepoCache, owner LPPerson) (*cache.IdentityCache, error) {
 28	// Look first in the cache
 29	i, err := repo.ResolveIdentityImmutableMetadata(keyLaunchpadLogin, owner.Login)
 30	if err == nil {
 31		return i, nil
 32	}
 33	if _, ok := err.(entity.ErrMultipleMatch); ok {
 34		return nil, err
 35	}
 36
 37	return repo.NewIdentityRaw(
 38		owner.Name,
 39		"",
 40		owner.Login,
 41		"",
 42		map[string]string{
 43			keyLaunchpadLogin: owner.Login,
 44		},
 45	)
 46}
 47
 48func (li *launchpadImporter) ImportAll(repo *cache.RepoCache, since time.Time) error {
 49	lpAPI := new(launchpadAPI)
 50
 51	err := lpAPI.Init()
 52	if err != nil {
 53		return err
 54	}
 55
 56	lpBugs, err := lpAPI.SearchTasks(li.conf["project"])
 57	if err != nil {
 58		return err
 59	}
 60
 61	for _, lpBug := range lpBugs {
 62		var b *cache.BugCache
 63		var err error
 64
 65		lpBugID := fmt.Sprintf("%d", lpBug.ID)
 66		b, err = repo.ResolveBugCreateMetadata(keyLaunchpadID, lpBugID)
 67		if err != nil && err != bug.ErrBugNotExist {
 68			return err
 69		}
 70
 71		owner, err := li.ensurePerson(repo, lpBug.Owner)
 72		if err != nil {
 73			return err
 74		}
 75
 76		if err == bug.ErrBugNotExist {
 77			createdAt, _ := time.Parse(time.RFC3339, lpBug.CreatedAt)
 78			b, _, err = repo.NewBugRaw(
 79				owner,
 80				createdAt.Unix(),
 81				lpBug.Title,
 82				lpBug.Description,
 83				nil,
 84				map[string]string{
 85					keyLaunchpadID: lpBugID,
 86				},
 87			)
 88			if err != nil {
 89				return errors.Wrapf(err, "failed to add bug id #%s", lpBugID)
 90			}
 91		} else {
 92			/* TODO: Update bug */
 93			fmt.Println("TODO: Update bug")
 94		}
 95
 96		/* Handle messages */
 97		if len(lpBug.Messages) == 0 {
 98			return errors.Wrapf(err, "failed to fetch comments for bug #%s", lpBugID)
 99		}
100
101		// The Launchpad API returns the bug description as the first
102		// comment, so skip it.
103		for _, lpMessage := range lpBug.Messages[1:] {
104			_, err := b.ResolveOperationWithMetadata(keyLaunchpadID, lpMessage.ID)
105			if err != nil && err != cache.ErrNoMatchingOp {
106				return errors.Wrapf(err, "failed to fetch comments for bug #%s", lpBugID)
107			}
108
109			// If this comment already exists, we are probably
110			// updating an existing bug. We do not want to duplicate
111			// the comments, so let us just skip this one.
112			// TODO: Can Launchpad comments be edited?
113			if err == nil {
114				continue
115			}
116
117			owner, err := li.ensurePerson(repo, lpMessage.Owner)
118			if err != nil {
119				return err
120			}
121
122			// This is a new comment, we can add it.
123			createdAt, _ := time.Parse(time.RFC3339, lpMessage.CreatedAt)
124			_, err = b.AddCommentRaw(
125				owner,
126				createdAt.Unix(),
127				lpMessage.Content,
128				nil,
129				map[string]string{
130					keyLaunchpadID: lpMessage.ID,
131				})
132			if err != nil {
133				return errors.Wrapf(err, "failed to add comment to bug #%s", lpBugID)
134			}
135		}
136		err = b.CommitAsNeeded()
137		if err != nil {
138			return err
139		}
140	}
141	return nil
142}