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refactor
c5902451905acdaa478f8476844ccd4a510d9ca9 · Keenan Nemetz · 17d ago · parent ec2aba4b
metadata/collections.go +103
| @@ -0,0 +1,103 @@ | |||
| 1 | package metadata | ||
| 2 | |||
| 3 | import ( | ||
| 4 | "sort" | ||
| 5 | "strings" | ||
| 6 | ) | ||
| 7 | |||
| 8 | // NormalizeLabels accepts what people type: a comma-separated list or the option | ||
| 9 | // repeated. Labels are sorted so the written file does not depend on argument | ||
| 10 | // order. | ||
| 11 | func NormalizeLabels(in []string) []string { | ||
| 12 | var out []string | ||
| 13 | for _, v := range in { | ||
| 14 | for _, part := range strings.Split(v, ",") { | ||
| 15 | if l := strings.TrimSpace(part); l != "" { | ||
| 16 | out = append(out, l) | ||
| 17 | } | ||
| 18 | } | ||
| 19 | } | ||
| 20 | sort.Strings(out) | ||
| 21 | return out | ||
| 22 | } | ||
| 23 | |||
| 24 | // NormalizeAssignees accepts an optional leading @, a comma-separated list, or | ||
| 25 | // the option repeated. Names are returned sorted and unique. | ||
| 26 | func NormalizeAssignees(in []string) []string { | ||
| 27 | seen := map[string]bool{} | ||
| 28 | for _, v := range in { | ||
| 29 | for _, part := range strings.Split(v, ",") { | ||
| 30 | n := strings.ToLower(strings.TrimPrefix(strings.TrimSpace(part), "@")) | ||
| 31 | if n != "" { | ||
| 32 | seen[n] = true | ||
| 33 | } | ||
| 34 | } | ||
| 35 | } | ||
| 36 | return SortedNames(seen) | ||
| 37 | } | ||
| 38 | |||
| 39 | // SortedNames renders a set of names in the order the writer stores them. | ||
| 40 | func SortedNames(set map[string]bool) []string { | ||
| 41 | if len(set) == 0 { | ||
| 42 | return nil | ||
| 43 | } | ||
| 44 | out := make([]string, 0, len(set)) | ||
| 45 | for n := range set { | ||
| 46 | out = append(out, n) | ||
| 47 | } | ||
| 48 | sort.Strings(out) | ||
| 49 | return out | ||
| 50 | } | ||
| 51 | |||
| 52 | // SameNames reports whether have is already exactly set, so a command that | ||
| 53 | // changes nothing commits nothing. | ||
| 54 | func SameNames(have []string, set map[string]bool) bool { | ||
| 55 | if len(have) != len(set) { | ||
| 56 | return false | ||
| 57 | } | ||
| 58 | for _, n := range have { | ||
| 59 | if !set[n] { | ||
| 60 | return false | ||
| 61 | } | ||
| 62 | } | ||
| 63 | return true | ||
| 64 | } | ||
| 65 | |||
| 66 | // IncludesAll reports whether every wanted value is present in have. | ||
| 67 | func IncludesAll(have, want []string) bool { | ||
| 68 | if len(want) == 0 { | ||
| 69 | return true | ||
| 70 | } | ||
| 71 | present := map[string]bool{} | ||
| 72 | for _, v := range have { | ||
| 73 | present[v] = true | ||
| 74 | } | ||
| 75 | for _, v := range want { | ||
| 76 | if !present[v] { | ||
| 77 | return false | ||
| 78 | } | ||
| 79 | } | ||
| 80 | return true | ||
| 81 | } | ||
| 82 | |||
| 83 | // Same reports whether two issues would render to the same file. Slices are | ||
| 84 | // compared position by position because the writer sorts them: a different order | ||
| 85 | // is not a different file. | ||
| 86 | func Same(a, b Issue) bool { | ||
| 87 | if a.Title != b.Title || a.State != b.State || a.Description != b.Description { | ||
| 88 | return false | ||
| 89 | } | ||
| 90 | return sameList(a.Labels, b.Labels) && sameList(a.Assignees, b.Assignees) | ||
| 91 | } | ||
| 92 | |||
| 93 | func sameList(a, b []string) bool { | ||
| 94 | if len(a) != len(b) { | ||
| 95 | return false | ||
| 96 | } | ||
| 97 | for i := range a { | ||
| 98 | if a[i] != b[i] { | ||
| 99 | return false | ||
| 100 | } | ||
| 101 | } | ||
| 102 | return true | ||
| 103 | } | ||