vole
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c5902451
Keenan Nemetz
16d ago
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1 | package metadata |
| 2 | ||
| 3 | import ( | |
| 4 | "fmt" | |
| 5 | "strings" | |
| 6 | ||
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d37d301f
Keenan Nemetz
16h ago
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7 | "rodent.software/vole/core/git" |
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c5902451
Keenan Nemetz
16d ago
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8 | ) |
| 9 | ||
| 10 | // Find returns one request by id. A unique prefix is accepted, because the list | |
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e05f1c48
Keenan Nemetz
13d ago
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11 | // command prints full ids but people type the part they read. A bare number is |
| 12 | // the alias `#42` names, shared with issues, so the kind is checked rather than | |
| 13 | // assumed: asking for a change request by an issue's number is a mistake worth | |
| 14 | // naming. | |
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c5902451
Keenan Nemetz
16d ago
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15 | func FindRequest(g *git.Repo, id string) (*Request, error) { |
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e05f1c48
Keenan Nemetz
13d ago
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16 | id = TrimReference(id) |
| 17 | if num, ok := ParseNumber(id); ok { | |
| 18 | nums, err := LoadNumbers(g, Ref) | |
| 19 | if err != nil { | |
| 20 | return nil, err | |
| 21 | } | |
| 22 | found, kind, ok := nums.At(num) | |
| 23 | if !ok { | |
| 24 | return nil, fmt.Errorf("no change request or issue is #%d", num) | |
| 25 | } | |
| 26 | if kind != KindRequest { | |
| 27 | return nil, fmt.Errorf("#%d is an issue, not a change request: %s", num, found) | |
| 28 | } | |
| 29 | id = found | |
| 30 | } | |
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c5902451
Keenan Nemetz
16d ago
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31 | list, err := LoadRequests(g, Ref) |
| 32 | if err != nil { | |
| 33 | return nil, err | |
| 34 | } | |
| 35 | for _, r := range list { | |
| 36 | if r.ID == id || (len(id) >= 4 && strings.HasPrefix(r.ID, strings.ToUpper(id))) { | |
| 37 | return r, nil | |
| 38 | } | |
| 39 | } | |
| 40 | return nil, fmt.Errorf("no change request matches %q", id) | |
| 41 | } | |
| 42 | ||
| 43 | // CurrentApprovals counts the approvals that still name the request's current | |
| 44 | // head and base. An approval of an older head is history, not a vote. | |
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e5478085
Keenan Nemetz
11d ago
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45 | func (r *Request) CurrentApprovals() int { return r.CurrentApprovalsBy(nil) } |
| 46 | ||
| 47 | // CurrentApprovalsBy is CurrentApprovals with the eligibility rule the gate and the | |
| 48 | // page use: an approval counts only while its author is still an active account | |
| 49 | // that maintains the repository. | |
| 50 | func (r *Request) CurrentApprovalsBy(eligible func(string) bool) int { | |
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c5902451
Keenan Nemetz
16d ago
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51 | n := 0 |
| 52 | for _, a := range r.Approvals { | |
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e5478085
Keenan Nemetz
11d ago
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53 | if a.Head == r.Head && a.Base == r.Base && (eligible == nil || eligible(a.Principal)) { |
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c5902451
Keenan Nemetz
16d ago
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54 | n++ |
| 55 | } | |
| 56 | } | |
| 57 | return n | |
| 58 | } |