1package cache
 2
 3import (
 4	"encoding/gob"
 5	"fmt"
 6	"strings"
 7
 8	"github.com/MichaelMure/git-bug/entities/identity"
 9	"github.com/MichaelMure/git-bug/entity"
10)
11
12// Package initialisation used to register the type for (de)serialization
13func init() {
14	gob.Register(IdentityExcerpt{})
15}
16
17// IdentityExcerpt hold a subset of the identity values to be able to sort and
18// filter identities efficiently without having to read and compile each raw
19// identity.
20type IdentityExcerpt struct {
21	id entity.Id
22
23	Name              string
24	Login             string
25	ImmutableMetadata map[string]string
26}
27
28func NewIdentityExcerpt(i *identity.Identity) *IdentityExcerpt {
29	return &IdentityExcerpt{
30		id:                i.Id(),
31		Name:              i.Name(),
32		Login:             i.Login(),
33		ImmutableMetadata: i.ImmutableMetadata(),
34	}
35}
36
37func (i *IdentityExcerpt) Id() entity.Id {
38	return i.id
39}
40
41// DisplayName return a non-empty string to display, representing the
42// identity, based on the non-empty values.
43func (i *IdentityExcerpt) DisplayName() string {
44	switch {
45	case i.Name == "" && i.Login != "":
46		return i.Login
47	case i.Name != "" && i.Login == "":
48		return i.Name
49	case i.Name != "" && i.Login != "":
50		return fmt.Sprintf("%s (%s)", i.Name, i.Login)
51	}
52
53	panic("invalid person data")
54}
55
56// Match matches a query with the identity name, login and ID prefixes
57func (i *IdentityExcerpt) Match(query string) bool {
58	return i.id.HasPrefix(query) ||
59		strings.Contains(strings.ToLower(i.Name), query) ||
60		strings.Contains(strings.ToLower(i.Login), query)
61}
62
63/*
64 * Sorting
65 */
66
67type IdentityById []*IdentityExcerpt
68
69func (b IdentityById) Len() int {
70	return len(b)
71}
72
73func (b IdentityById) Less(i, j int) bool {
74	return b[i].id < b[j].id
75}
76
77func (b IdentityById) Swap(i, j int) {
78	b[i], b[j] = b[j], b[i]
79}