1package bug
 2
 3import (
 4	"github.com/MichaelMure/git-bug/repository"
 5	"github.com/MichaelMure/git-bug/util/lamport"
 6)
 7
 8type Interface interface {
 9	// Id return the Bug identifier
10	Id() string
11
12	// HumanId return the Bug identifier truncated for human consumption
13	HumanId() string
14
15	// IsValid check if the Bug data is valid
16	IsValid() bool
17
18	// Append an operation into the staging area, to be committed later
19	Append(op Operation)
20
21	// Append an operation into the staging area, to be committed later
22	HasPendingOp() bool
23
24	// Commit write the staging area in Git and move the operations to the packs
25	Commit(repo repository.Repo) error
26
27	// Merge a different version of the same bug by rebasing operations of this bug
28	// that are not present in the other on top of the chain of operations of the
29	// other version.
30	Merge(repo repository.Repo, other Interface) (bool, error)
31
32	// Lookup for the very first operation of the bug.
33	// For a valid Bug, this operation should be a CreateOp
34	FirstOp() Operation
35
36	// Lookup for the very last operation of the bug.
37	// For a valid Bug, should never be nil
38	LastOp() Operation
39
40	// Compile a bug in a easily usable snapshot
41	Compile() Snapshot
42
43	// CreateLamportTime return the Lamport time of creation
44	CreateLamportTime() lamport.Time
45
46	// EditLamportTime return the Lamport time of the last edit
47	EditLamportTime() lamport.Time
48}
49
50func bugFromInterface(bug Interface) *Bug {
51	switch bug.(type) {
52	case *Bug:
53		return bug.(*Bug)
54	case *WithSnapshot:
55		return bug.(*WithSnapshot).Bug
56	default:
57		panic("missing type case")
58	}
59}