forked from
tangled.org/core
Forked monorepo for Tangled
1package pages
2
3import (
4 "bytes"
5 "context"
6 "crypto/hmac"
7 "crypto/sha256"
8 "encoding/hex"
9 "errors"
10 "fmt"
11 "html"
12 "html/template"
13 "log"
14 "math"
15 "math/rand"
16 "net/url"
17 "path/filepath"
18 "reflect"
19 "strings"
20 "time"
21
22 "github.com/alecthomas/chroma/v2"
23 chromahtml "github.com/alecthomas/chroma/v2/formatters/html"
24 "github.com/alecthomas/chroma/v2/lexers"
25 "github.com/alecthomas/chroma/v2/styles"
26 "github.com/bluesky-social/indigo/atproto/syntax"
27 "github.com/dustin/go-humanize"
28 "github.com/dustin/go-humanize/english"
29 "github.com/go-enry/go-enry/v2"
30 "github.com/yuin/goldmark"
31 emoji "github.com/yuin/goldmark-emoji"
32 "tangled.org/core/appview/cache"
33 "tangled.org/core/appview/db"
34 "tangled.org/core/appview/models"
35 "tangled.org/core/appview/oauth"
36 "tangled.org/core/appview/pages/markup"
37 "tangled.org/core/appview/pages/markup/sanitizer"
38 "tangled.org/core/appview/pages/repoinfo"
39 "tangled.org/core/crypto"
40 "tangled.org/core/idresolver"
41 "tangled.org/core/orm"
42 "tangled.org/core/types"
43)
44
45type tab map[string]string
46
47func (p *Pages) ownerSlashRepo(repo *models.Repo) string {
48 ownerId, err := p.resolver.ResolveIdent(context.Background(), repo.Did)
49 if err != nil {
50 return repo.RepoIdentifier()
51 }
52 handle := ownerId.Handle
53 if handle != "" && !handle.IsInvalidHandle() {
54 return string(handle) + "/" + repo.Slug()
55 }
56 return repo.RepoIdentifier()
57}
58
59func (p *Pages) funcMap() template.FuncMap {
60 return template.FuncMap{
61 "split": func(s string) []string {
62 return strings.Split(s, "\n")
63 },
64 "capitalize": func(s string) string {
65 if s == "" {
66 return s
67 }
68 return strings.ToUpper(s[:1]) + s[1:]
69 },
70 "trimPrefix": func(s, prefix string) string {
71 return strings.TrimPrefix(s, prefix)
72 },
73 "join": func(elems []string, sep string) string {
74 return strings.Join(elems, sep)
75 },
76 "contains": func(s string, target string) bool {
77 return strings.Contains(s, target)
78 },
79 "stripPort": func(hostname string) string {
80 if strings.Contains(hostname, ":") {
81 return strings.Split(hostname, ":")[0]
82 }
83 return hostname
84 },
85 "mapContains": func(m any, key any) bool {
86 mapValue := reflect.ValueOf(m)
87 if mapValue.Kind() != reflect.Map {
88 return false
89 }
90 keyValue := reflect.ValueOf(key)
91 return mapValue.MapIndex(keyValue).IsValid()
92 },
93 "resolve": func(s string) string {
94 return p.DisplayHandle(context.Background(), s)
95 },
96 "resolver": func() *idresolver.Resolver {
97 return p.resolver
98 },
99 "primaryHandle": func(s string) string {
100 return primaryHandle(p.resolver, s)
101 },
102 "resolvePds": func(s string) string {
103 identity, err := p.resolver.ResolveIdent(context.Background(), s)
104 if err != nil {
105 return ""
106 }
107 return identity.PDSEndpoint()
108 },
109 "ownerSlashRepo": p.ownerSlashRepo,
110 "pipelineCommitPath": func(repoInfo repoinfo.RepoInfo, pipeline types.Pipeline) string {
111 sha := pipeline.Sha()
112 if sourceRepo := pipeline.SourceRepo(); sourceRepo != nil {
113 if repo, err := db.GetRepoByDid(p.db, *sourceRepo); err == nil && repo != nil {
114 return "/" + p.ownerSlashRepo(repo) + "/commit/" + sha
115 }
116 }
117 return "/" + repoInfo.FullName() + "/commit/" + sha
118 },
119 "pipelineSourceLabel": func(pipeline types.Pipeline) string {
120 branch := pipeline.Trigger().PRSourceBranch()
121 if branch == "" {
122 return branch
123 }
124 sourceRepo := pipeline.SourceRepo()
125 if sourceRepo == nil {
126 return branch
127 }
128 repo, err := db.GetRepoByDid(p.db, *sourceRepo)
129 if err != nil || repo == nil {
130 return branch
131 }
132 return p.ownerSlashRepo(repo) + "/" + branch
133 },
134 "pipelinePullPath": func(pipeline types.Pipeline) string {
135 pullAtStr := pipeline.Trigger().PRUri()
136 if pullAtStr == "" {
137 return ""
138 }
139 // GetPull's reverse-mapping already populates pull.Repo
140 pull, err := db.GetPull(p.db, orm.FilterEq("at_uri", pullAtStr))
141 if err != nil || pull == nil || pull.Repo == nil {
142 return ""
143 }
144 return fmt.Sprintf("/%s/pulls/%d", p.ownerSlashRepo(pull.Repo), pull.PullId)
145 },
146 "truncateAt30": func(s string) string {
147 if len(s) <= 30 {
148 return s
149 }
150 return s[:30] + "…"
151 },
152 // short prefix of a commit hash or jj change id, safe on short input
153 "shortId": func(s string) string {
154 if len(s) <= 8 {
155 return s
156 }
157 return s[:8]
158 },
159 "splitOn": func(s, sep string) []string {
160 return strings.Split(s, sep)
161 },
162 "string": func(v any) string {
163 return fmt.Sprint(v)
164 },
165 "int64": func(a int) int64 {
166 return int64(a)
167 },
168 "add": func(a, b int) int {
169 return a + b
170 },
171 "now": func() time.Time {
172 return time.Now()
173 },
174 // the absolute state of go templates
175 "add64": func(a, b int64) int64 {
176 return a + b
177 },
178 "sub": func(a, b int) int {
179 return a - b
180 },
181 "mul": func(a, b int) int {
182 return a * b
183 },
184 "div": func(a, b int) int {
185 return a / b
186 },
187 "mod": func(a, b int) int {
188 return a % b
189 },
190 "randInt": func(bound int) int {
191 return rand.Intn(bound)
192 },
193 "f64": func(a int) float64 {
194 return float64(a)
195 },
196 "addf64": func(a, b float64) float64 {
197 return a + b
198 },
199 "subf64": func(a, b float64) float64 {
200 return a - b
201 },
202 "mulf64": func(a, b float64) float64 {
203 return a * b
204 },
205 "divf64": func(a, b float64) float64 {
206 if b == 0 {
207 return 0
208 }
209 return a / b
210 },
211 "negf64": func(a float64) float64 {
212 return -a
213 },
214 "cond": func(cond any, a, b string) string {
215 if cond == nil {
216 return b
217 }
218
219 if boolean, ok := cond.(bool); boolean && ok {
220 return a
221 }
222
223 return b
224 },
225 "assoc": func(values ...string) ([][]string, error) {
226 if len(values)%2 != 0 {
227 return nil, fmt.Errorf("invalid assoc call, must have an even number of arguments")
228 }
229 pairs := make([][]string, 0)
230 for i := 0; i < len(values); i += 2 {
231 pairs = append(pairs, []string{values[i], values[i+1]})
232 }
233 return pairs, nil
234 },
235 "append": func(s []any, values ...any) []any {
236 s = append(s, values...)
237 return s
238 },
239 // scale numerics over 1000 to 1k
240 "scaleFmt": func(n any) string {
241 var v float64
242 switch x := n.(type) {
243 case int:
244 v = float64(x)
245 case int32:
246 v = float64(x)
247 case int64:
248 v = float64(x)
249 case float64:
250 v = x
251 default:
252 return fmt.Sprintf("%v", n)
253 }
254 if v < 1000 {
255 return fmt.Sprintf("%d", int(v))
256 }
257 k := v / 1000
258 if k < 10 {
259 return fmt.Sprintf("%.1fk", k)
260 }
261 return fmt.Sprintf("%dk", int(k))
262 },
263 "commaFmt": humanize.Comma,
264 "plural": english.Plural,
265 "relTimeFmt": humanize.Time,
266 "shortRelTimeFmt": func(t time.Time) string {
267 if t.Unix() == 0 {
268 return "at the beginning of time"
269 }
270 return humanize.CustomRelTime(t, time.Now(), "", "", []humanize.RelTimeMagnitude{
271 {D: time.Second, Format: "now", DivBy: time.Second},
272 {D: 2 * time.Second, Format: "1s %s", DivBy: 1},
273 {D: time.Minute, Format: "%ds %s", DivBy: time.Second},
274 {D: 2 * time.Minute, Format: "1min %s", DivBy: 1},
275 {D: time.Hour, Format: "%dmin %s", DivBy: time.Minute},
276 {D: 2 * time.Hour, Format: "1hr %s", DivBy: 1},
277 {D: humanize.Day, Format: "%dhrs %s", DivBy: time.Hour},
278 {D: 2 * humanize.Day, Format: "1d %s", DivBy: 1},
279 {D: 20 * humanize.Day, Format: "%dd %s", DivBy: humanize.Day},
280 {D: 8 * humanize.Week, Format: "%dw %s", DivBy: humanize.Week},
281 {D: humanize.Year, Format: "%dmo %s", DivBy: humanize.Month},
282 {D: 18 * humanize.Month, Format: "1y %s", DivBy: 1},
283 {D: 2 * humanize.Year, Format: "2y %s", DivBy: 1},
284 {D: humanize.LongTime, Format: "%dy %s", DivBy: humanize.Year},
285 {D: math.MaxInt64, Format: "a long while %s", DivBy: 1},
286 })
287 },
288 "shortTimeFmt": func(t time.Time) string {
289 return t.Format("Jan 2, 2006")
290 },
291 "longTimeFmt": func(t time.Time) string {
292 return t.Format("Jan 2, 2006, 3:04 PM MST")
293 },
294 "iso8601DateTimeFmt": func(t time.Time) string {
295 return t.Format("2006-01-02T15:04:05-07:00")
296 },
297 "iso8601DurationFmt": func(duration time.Duration) string {
298 days := int64(duration.Hours() / 24)
299 hours := int64(math.Mod(duration.Hours(), 24))
300 minutes := int64(math.Mod(duration.Minutes(), 60))
301 seconds := int64(math.Mod(duration.Seconds(), 60))
302 return fmt.Sprintf("P%dD%dH%dM%dS", days, hours, minutes, seconds)
303 },
304 "durationFmt": func(duration time.Duration) string {
305 return durationFmt(duration, [4]string{"d", "h", "m", "s"})
306 },
307 "longDurationFmt": func(duration time.Duration) string {
308 return durationFmt(duration, [4]string{"days", "hours", "minutes", "seconds"})
309 },
310 "byteFmt": humanize.Bytes,
311 "length": func(slice any) int {
312 v := reflect.ValueOf(slice)
313 if v.Kind() == reflect.Slice || v.Kind() == reflect.Array {
314 return v.Len()
315 }
316 return 0
317 },
318 "splitN": func(s, sep string, n int) []string {
319 return strings.SplitN(s, sep, n)
320 },
321 "escapeHtml": func(s string) template.HTML {
322 if s == "" {
323 return template.HTML("<br>")
324 }
325 return template.HTML(s)
326 },
327 "unescapeHtml": func(s string) string {
328 return html.UnescapeString(s)
329 },
330 "nl2br": func(text string) template.HTML {
331 return template.HTML(strings.ReplaceAll(template.HTMLEscapeString(text), "\n", "<br>"))
332 },
333 "unwrapText": func(text string) string {
334 paragraphs := strings.Split(text, "\n\n")
335
336 for i, p := range paragraphs {
337 lines := strings.Split(p, "\n")
338 paragraphs[i] = strings.Join(lines, " ")
339 }
340
341 return strings.Join(paragraphs, "\n\n")
342 },
343 "sequence": func(n int) []struct{} {
344 return make([]struct{}, n)
345 },
346 // take atmost N items from this slice
347 "take": func(slice any, n int) any {
348 v := reflect.ValueOf(slice)
349 if v.Kind() != reflect.Slice && v.Kind() != reflect.Array {
350 return nil
351 }
352 if v.Len() == 0 {
353 return nil
354 }
355 return v.Slice(0, min(n, v.Len())).Interface()
356 },
357 "markdown": func(text string) template.HTML {
358 rctx := p.rctx.Clone()
359 rctx.RendererType = markup.RendererTypeDefault
360 htmlString := rctx.RenderMarkdown(text)
361 sanitized := sanitizer.SanitizeDefault(htmlString)
362 return template.HTML(sanitized)
363 },
364 "description": func(text string) template.HTML {
365 rctx := p.rctx.Clone()
366 rctx.RendererType = markup.RendererTypeDefault
367 htmlString := rctx.RenderMarkdownWith(text, goldmark.New(
368 goldmark.WithExtensions(
369 emoji.Emoji,
370 ),
371 ))
372 sanitized := sanitizer.SanitizeDescription(htmlString)
373 return template.HTML(sanitized)
374 },
375 "readme": func(text string) template.HTML {
376 rctx := p.rctx.Clone()
377 rctx.RendererType = markup.RendererTypeRepoMarkdown
378 htmlString := rctx.RenderMarkdown(text)
379 sanitized := sanitizer.SanitizeDefault(htmlString)
380 return template.HTML(sanitized)
381 },
382 "code": func(content, path string) string {
383 var style *chroma.Style = styles.Get("catpuccin-latte")
384 formatter := chromahtml.New(
385 chromahtml.InlineCode(false),
386 chromahtml.WithLineNumbers(true),
387 chromahtml.WithLinkableLineNumbers(true, "L"),
388 chromahtml.Standalone(false),
389 chromahtml.WithClasses(true),
390 )
391
392 lexer := lexers.Get(filepath.Base(path))
393 if lexer == nil {
394 if firstLine, _, ok := strings.Cut(content, "\n"); ok && strings.HasPrefix(firstLine, "#!") {
395 // extract interpreter from shebang (handles "#!/usr/bin/env nu", "#!/usr/bin/nu", etc.)
396 fields := strings.Fields(firstLine[2:])
397 if len(fields) > 0 {
398 interp := filepath.Base(fields[len(fields)-1])
399 lexer = lexers.Get(interp)
400 }
401 }
402 }
403 if lexer == nil {
404 lexer = lexers.Analyse(content)
405 }
406 if lexer == nil {
407 lexer = lexers.Fallback
408 }
409
410 iterator, err := lexer.Tokenise(nil, content)
411 if err != nil {
412 p.logger.Error("chroma tokenize", "err", "err")
413 return ""
414 }
415
416 var code bytes.Buffer
417 err = formatter.Format(&code, style, iterator)
418 if err != nil {
419 p.logger.Error("chroma format", "err", "err")
420 return ""
421 }
422
423 return code.String()
424 },
425 "trimUriScheme": func(text string) string {
426 text = strings.TrimPrefix(text, "https://")
427 text = strings.TrimPrefix(text, "http://")
428 return text
429 },
430 "isNil": func(t any) bool {
431 // returns false for other "zero" values
432 return t == nil
433 },
434 "hasPrefix": strings.HasPrefix,
435 "list": func(args ...any) []any {
436 return args
437 },
438 "dict": func(values ...any) (map[string]any, error) {
439 if len(values)%2 != 0 {
440 return nil, errors.New("invalid dict call")
441 }
442 dict := make(map[string]any, len(values)/2)
443 for i := 0; i < len(values); i += 2 {
444 key, ok := values[i].(string)
445 if !ok {
446 return nil, errors.New("dict keys must be strings")
447 }
448 dict[key] = values[i+1]
449 }
450 return dict, nil
451 },
452 "queryParams": func(params ...any) (url.Values, error) {
453 if len(params)%2 != 0 {
454 return nil, errors.New("invalid queryParams call")
455 }
456 vals := make(url.Values, len(params)/2)
457 for i := 0; i < len(params); i += 2 {
458 key, ok := params[i].(string)
459 if !ok {
460 return nil, errors.New("queryParams keys must be strings")
461 }
462 v, ok := params[i+1].(string)
463 if !ok {
464 return nil, errors.New("queryParams values must be strings")
465 }
466 vals.Add(key, v)
467 }
468 return vals, nil
469 },
470 "deref": func(v any) any {
471 val := reflect.ValueOf(v)
472 if val.Kind() == reflect.Pointer && !val.IsNil() {
473 return val.Elem().Interface()
474 }
475 return nil
476 },
477 "i": func(name string, classes ...string) template.HTML {
478 data, err := p.icon(name, classes)
479 if err != nil {
480 log.Printf("icon %s does not exist", name)
481 data, _ = p.icon("airplay", classes)
482 }
483 return template.HTML(data)
484 },
485 "cssContentHash": p.CssContentHash,
486 "pathEscape": func(s string) string {
487 return url.PathEscape(s)
488 },
489 "pathUnescape": func(s string) string {
490 u, _ := url.PathUnescape(s)
491 return u
492 },
493 "safeUrl": func(s string) template.URL {
494 return template.URL(s)
495 },
496 "tinyAvatar": func(handle string) string {
497 return p.AvatarUrl(handle, "tiny")
498 },
499 "fullAvatar": func(handle string) string {
500 return p.AvatarUrl(handle, "")
501 },
502 "placeholderAvatar": func(size string) template.HTML {
503 sizeClass := "size-6"
504 iconSize := "size-4"
505 switch size {
506 case "tiny":
507 sizeClass = "size-6"
508 iconSize = "size-4"
509 case "small":
510 sizeClass = "size-8"
511 iconSize = "size-5"
512 default:
513 sizeClass = "size-12"
514 iconSize = "size-8"
515 }
516 icon, _ := p.icon("user-round", []string{iconSize, "text-gray-400", "dark:text-gray-500"})
517 return template.HTML(fmt.Sprintf(`<div class="%s rounded-full bg-gray-200 dark:bg-gray-700 flex items-center justify-center flex-shrink-0">%s</div>`, sizeClass, icon))
518 },
519 "profileAvatarUrl": func(profile *models.Profile, size string) string {
520 if profile != nil {
521 return p.AvatarUrl(profile.Did, size)
522 }
523 return ""
524 },
525 "langColor": enry.GetColor,
526 "reverse": func(s any) any {
527 if s == nil {
528 return nil
529 }
530
531 v := reflect.ValueOf(s)
532
533 if v.Kind() != reflect.Slice {
534 return s
535 }
536
537 length := v.Len()
538 reversed := reflect.MakeSlice(v.Type(), length, length)
539
540 for i := range length {
541 reversed.Index(i).Set(v.Index(length - 1 - i))
542 }
543
544 return reversed.Interface()
545 },
546 "normalizeForHtmlId": func(s string) string {
547 normalized := strings.ReplaceAll(s, ":", "_")
548 normalized = strings.ReplaceAll(normalized, ".", "_")
549 return normalized
550 },
551 "sshFingerprint": func(pubKey string) string {
552 fp, err := crypto.SSHFingerprint(pubKey)
553 if err != nil {
554 return "error"
555 }
556 return fp
557 },
558 "otherAccounts": func(activeDid string, accounts []oauth.AccountInfo) []oauth.AccountInfo {
559 result := make([]oauth.AccountInfo, 0, len(accounts))
560 for _, acc := range accounts {
561 if acc.Did != activeDid {
562 result = append(result, acc)
563 }
564 }
565 return result
566 },
567 "isGenerated": func(path string) bool {
568 return enry.IsGenerated(path, nil)
569 },
570 // NOTE(boltless): I know... I hate doing this too
571 "asReactionMapMap": func(dict any) map[syntax.ATURI]map[models.ReactionKind]models.ReactionDisplayData {
572 if dict == nil {
573 return make(map[syntax.ATURI]map[models.ReactionKind]models.ReactionDisplayData)
574 }
575 m, _ := dict.(map[syntax.ATURI]map[models.ReactionKind]models.ReactionDisplayData)
576 return m
577 },
578 "asReactionStatusMapMap": func(dict any) map[syntax.ATURI]map[models.ReactionKind]bool {
579 if dict == nil {
580 log.Println("returning empty map")
581 return make(map[syntax.ATURI]map[models.ReactionKind]bool)
582 }
583 m, _ := dict.(map[syntax.ATURI]map[models.ReactionKind]bool)
584 return m
585 },
586 // constant values used to define a template
587 "const": func() map[string]any {
588 return map[string]any{
589 "OrderedReactionKinds": models.OrderedReactionKinds,
590 // would be great to have ordered maps right about now
591 "UserSettingsTabs": []tab{
592 {"Name": "profile", "Label": "Profile", "Icon": "user"},
593 {"Name": "keys", "Label": "Keys", "Icon": "key"},
594 {"Name": "emails", "Label": "Emails", "Icon": "mail"},
595 {"Name": "notifications", "Label": "Notifications", "Icon": "bell"},
596 {"Name": "knots", "Label": "Knots", "Icon": "volleyball"},
597 {"Name": "spindles", "Label": "Spindles", "Icon": "spool"},
598 {"Name": "sites", "Label": "Sites", "Icon": "globe"},
599 },
600 "RepoSettingsTabs": []tab{
601 {"Name": "general", "Label": "General", "Icon": "sliders-horizontal"},
602 {"Name": "access", "Label": "Access", "Icon": "users"},
603 {"Name": "pipelines", "Label": "Pipelines", "Icon": "layers-2"},
604 {"Name": "hooks", "Label": "Hooks", "Icon": "webhook"},
605 {"Name": "sites", "Label": "Sites", "Icon": "globe"},
606 },
607 "PdsUserDomain": p.pdsCfg.UserDomain,
608 }
609 },
610 "did": func(s string) syntax.DID {
611 // cast to DID
612 return syntax.DID(s)
613 },
614 }
615}
616
617func primaryHandle(r *idresolver.Resolver, s string) string {
618 identity, err := r.ResolveIdent(context.Background(), s)
619 if err != nil || identity.Handle.IsInvalidHandle() {
620 return "handle.invalid"
621 }
622 return identity.Handle.String()
623}
624
625func (p *Pages) DisplayHandle(ctx context.Context, did string) string {
626 if p.db != nil {
627 if h := cache.LookupPreferredHandle(ctx, p.rdb, p.db, did); h != "" {
628 return h
629 }
630 }
631 if id, err := p.resolver.ResolveIdent(ctx, did); err == nil && !id.Handle.IsInvalidHandle() {
632 return id.Handle.String()
633 }
634 return did
635}
636
637func (p *Pages) AvatarUrl(actor, size string) string {
638 actor = strings.TrimPrefix(actor, "@")
639
640 identity, err := p.resolver.ResolveIdent(context.Background(), actor)
641 var did string
642 if err != nil {
643 did = actor
644 } else {
645 did = identity.DID.String()
646 }
647
648 secret := p.avatar.SharedSecret
649 if secret == "" {
650 return ""
651 }
652 h := hmac.New(sha256.New, []byte(secret))
653 h.Write([]byte(did))
654 signature := hex.EncodeToString(h.Sum(nil))
655
656 // Get avatar CID for cache busting
657 version := ""
658 if p.db != nil {
659 profile, err := db.GetProfile(p.db, did)
660 if err == nil && profile != nil && profile.Avatar != "" {
661 // Use first 8 chars of avatar CID as version
662 if len(profile.Avatar) > 8 {
663 version = profile.Avatar[:8]
664 } else {
665 version = profile.Avatar
666 }
667 }
668 }
669
670 baseUrl := fmt.Sprintf("%s/%s/%s", p.avatar.Host, signature, did)
671 if size != "" {
672 if version != "" {
673 return fmt.Sprintf("%s?size=%s&v=%s", baseUrl, size, version)
674 }
675 return fmt.Sprintf("%s?size=%s", baseUrl, size)
676 }
677 if version != "" {
678 return fmt.Sprintf("%s?v=%s", baseUrl, version)
679 }
680
681 return baseUrl
682}
683
684func (p *Pages) icon(name string, classes []string) (template.HTML, error) {
685 iconPath := filepath.Join("static", "icons", name)
686
687 if filepath.Ext(name) == "" {
688 iconPath += ".svg"
689 }
690
691 data, err := Files.ReadFile(iconPath)
692 if err != nil {
693 return "", fmt.Errorf("icon %s not found: %w", name, err)
694 }
695
696 // Convert SVG data to string
697 svgStr := string(data)
698
699 svgTagEnd := strings.Index(svgStr, ">")
700 if svgTagEnd == -1 {
701 return "", fmt.Errorf("invalid SVG format for icon %s", name)
702 }
703
704 classTag := ` class="` + strings.Join(classes, " ") + `"`
705
706 modifiedSVG := svgStr[:svgTagEnd] + classTag + svgStr[svgTagEnd:]
707 return template.HTML(modifiedSVG), nil
708}
709
710func durationFmt(duration time.Duration, names [4]string) string {
711 days := int64(duration.Hours() / 24)
712 hours := int64(math.Mod(duration.Hours(), 24))
713 minutes := int64(math.Mod(duration.Minutes(), 60))
714 seconds := int64(math.Mod(duration.Seconds(), 60))
715
716 chunks := []struct {
717 name string
718 amount int64
719 }{
720 {names[0], days},
721 {names[1], hours},
722 {names[2], minutes},
723 {names[3], seconds},
724 }
725
726 parts := []string{}
727
728 for _, chunk := range chunks {
729 if chunk.amount != 0 {
730 parts = append(parts, fmt.Sprintf("%d%s", chunk.amount, chunk.name))
731 }
732 }
733
734 return strings.Join(parts, " ")
735}