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| 1 | // Package format renders values the way Vole's human-facing surfaces show them. |
| 2 | // |
| 3 | // It is deliberately internal: these are presentation choices for the CLI, the |
| 4 | // web UI and hook messages, not part of the API a developer embeds. |
| 5 | package format |
| 6 | |
| 7 | import ( |
| 8 | "fmt" |
| 9 | "time" |
| 10 | ) |
| 11 | |
| 12 | // Bytes renders a byte count in binary units ("1.4 MiB"). |
| 13 | func Bytes(n int64) string { |
| 14 | const unit = 1024 |
| 15 | if n < unit { |
| 16 | return fmt.Sprintf("%d B", n) |
| 17 | } |
| 18 | div, exp := int64(unit), 0 |
| 19 | for m := n / unit; m >= unit; m /= unit { |
| 20 | div *= unit |
| 21 | exp++ |
| 22 | } |
| 23 | return fmt.Sprintf("%.1f %ciB", float64(n)/float64(div), "KMGTPE"[exp]) |
| 24 | } |
| 25 | |
| 26 | // SHA is the short form of a commit id used in links and log lines. |
| 27 | func SHA(s string) string { |
| 28 | if len(s) > 8 { |
| 29 | return s[:8] |
| 30 | } |
| 31 | return s |
| 32 | } |
| 33 | |
| 34 | // OID is the short form of an object id shown beside an upload. |
| 35 | func OID(s string) string { |
| 36 | if len(s) > 12 { |
| 37 | return s[:12] |
| 38 | } |
| 39 | return s |
| 40 | } |
| 41 | |
| 42 | // ID is the short form of an entity id (issue, request, comment, run). |
| 43 | func ID(s string) string { |
| 44 | if len(s) > 8 { |
| 45 | return s[:8] |
| 46 | } |
| 47 | return s |
| 48 | } |
| 49 | |
| 50 | // Duration renders a non-negative duration in the compact form the web UI uses: |
| 51 | // seconds for short work, minutes and hours once it matters. Sub-second work is |
| 52 | // milliseconds, because a step that finished instantly should not read as "0s". |
| 53 | func Duration(d time.Duration) string { |
| 54 | if d <= 0 { |
| 55 | return "0s" |
| 56 | } |
| 57 | if d < time.Second { |
| 58 | return fmt.Sprintf("%dms", d.Milliseconds()) |
| 59 | } |
| 60 | d = d.Round(time.Second) |
| 61 | h := d / time.Hour |
| 62 | d -= h * time.Hour |
| 63 | m := d / time.Minute |
| 64 | d -= m * time.Minute |
| 65 | s := d / time.Second |
| 66 | switch { |
| 67 | case h > 0 && m == 0 && s == 0: |
| 68 | return fmt.Sprintf("%dh", h) |
| 69 | case h > 0 && s == 0: |
| 70 | return fmt.Sprintf("%dh %dm", h, m) |
| 71 | case h > 0: |
| 72 | return fmt.Sprintf("%dh %dm %ds", h, m, s) |
| 73 | case m > 0 && s == 0: |
| 74 | return fmt.Sprintf("%dm", m) |
| 75 | case m > 0: |
| 76 | return fmt.Sprintf("%dm %ds", m, s) |
| 77 | default: |
| 78 | return fmt.Sprintf("%ds", s) |
| 79 | } |
| 80 | } |
| 81 |