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package proto
import (
"fmt"
"io"
"strings"
"text/template"
"gitoa.ru/go-4devs/config/definition"
"gitoa.ru/go-4devs/config/definition/generate"
"gitoa.ru/go-4devs/config/definition/option"
)
//nolint:gochecknoinits
func init() {
generate.MustAdd(Kind, handle)
}
func handle(w io.Writer, data generate.Handler, opt definition.Option) error {
proto, ok := opt.(Proto)
if !ok {
return fmt.Errorf("%w:%T", generate.ErrWrongType, opt)
}
if viewOpt, ok := proto.Option.(option.Option); ok {
viewOpt = viewOpt.WithParams(
definition.Param{
Name: option.ViewParamFunctName,
Value: generate.FuncName(proto.Name) + generate.FuncName(viewOpt.Name),
},
definition.Param{
Name: option.ViewParamDescription,
Value: proto.Description + " " + viewOpt.Description,
},
)
return option.Handle(tpl)(w, data, viewOpt)
}
return fmt.Errorf("%w:%T", generate.ErrWrongType, opt)
}
//nolint:gochecknoglobals
var (
tpl = template.Must(template.New("tpls").Funcs(template.FuncMap{"join": strings.Join}).Parse(templateOption))
templateOption = `// read{{.FuncName}} {{.Description}}.
func (i {{.StructName}}) read{{.FuncName}}(ctx context.Context, key string) (v {{.Type}},e error) {
val, err := i.Value(ctx, {{ .ParentKeys }} key, "{{.Name}}")
if err != nil {
{{if .HasDefault}}
{{$default := .Default}}
{{range .DefaultErrors}}
if errors.Is(err,{{.}}){
return {{$default}}
}
{{end}}
{{end}}
return v, fmt.Errorf("read {{.Keys}}:%w",err)
}
{{.Parse "val" "v" .Keys }}
}
// Read{{.FuncName}} {{.Description}}.
func (i {{.StructName}}) Read{{.FuncName}}(ctx context.Context, key string) ({{.Type}}, error) {
return i.read{{.FuncName}}(ctx, key)
}
// {{.FuncName}} {{.Description}}.
func (i {{.StructName}}) {{.FuncName}}({{if .Context}} ctx context.Context, {{end}} key string) {{.Type}} {
{{if not .Context}} ctx := context.Background() {{end}}
val, err := i.read{{.FuncName}}(ctx, key)
if err != nil {
i.log(ctx, "get {{.Keys}}: %v", err)
}
return val
}
`
)