mirror of https://github.com/grafana/grafana.git
57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
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package codegen
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import (
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"fmt"
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"path/filepath"
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"github.com/grafana/codejen"
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)
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// LatestJenny returns a jenny that runs another jenny for only the latest
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// schema in a DeclForGen, and prefixes the resulting file with the provided
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// parentdir (e.g. "pkg/kinds/") and with a directory based on the kind's
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// machine name (e.g. "dashboard/").
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func LatestJenny(parentdir string, inner codejen.OneToOne[SchemaForGen]) OneToOne {
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if inner == nil {
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panic("inner jenny must not be nil")
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}
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return &latestj{
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parentdir: parentdir,
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inner: inner,
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}
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}
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type latestj struct {
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parentdir string
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inner codejen.OneToOne[SchemaForGen]
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}
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func (j *latestj) JennyName() string {
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return "LatestJenny"
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}
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func (j *latestj) Generate(decl *DeclForGen) (*codejen.File, error) {
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if decl.IsRaw() {
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return nil, nil
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}
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comm := decl.Meta.Common()
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sfg := SchemaForGen{
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Name: comm.Name,
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Schema: decl.Lineage().Latest(),
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IsGroup: comm.LineageIsGroup,
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}
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f, err := j.inner.Generate(sfg)
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if err != nil {
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return nil, fmt.Errorf("%s jenny failed on %s schema for %s: %w", j.inner.JennyName(), sfg.Schema.Version(), decl.Meta.Common().Name, err)
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}
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if f == nil || !f.Exists() {
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return nil, nil
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}
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f.RelativePath = filepath.Join(j.parentdir, comm.MachineName, f.RelativePath)
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f.From = append(f.From, j)
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return f, nil
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}
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