andrey
11 months ago
52 changed files with 1380 additions and 375 deletions
@ -0,0 +1,29 @@ |
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package definition |
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|
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import ( |
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"fmt" |
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) |
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|
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func New() Definition { |
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return Definition{} |
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} |
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|
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type Definition struct { |
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options Options |
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} |
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|
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func (d *Definition) Add(opts ...Option) *Definition { |
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d.options = append(d.options, opts...) |
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return d |
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} |
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|
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func (d *Definition) View(handle func(Option) error) error { |
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for idx, opt := range d.options { |
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if err := handle(opt); err != nil { |
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return fmt.Errorf("%s[%d]:%w", opt.Kind(), idx, err) |
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} |
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} |
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|
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return nil |
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} |
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@ -0,0 +1,70 @@ |
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package generate |
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|
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import ( |
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"fmt" |
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"io" |
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|
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"gitoa.ru/go-4devs/config/definition" |
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) |
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|
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type Generator struct { |
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pkg string |
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ViewOption |
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Imp Imports |
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errs []error |
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defaultErrors []string |
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} |
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|
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func (g Generator) Pkg() string { |
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return g.pkg |
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} |
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|
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func (g Generator) Imports() []Import { |
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return g.Imp.Imports() |
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} |
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|
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func (g Generator) Handle(w io.Writer, data Handler, opt definition.Option) error { |
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handle := get(opt.Kind()) |
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return handle(w, data, opt) |
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} |
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|
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func (g Generator) StructName() string { |
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return FuncName(g.Prefix + "_" + g.Struct + "_" + g.Suffix) |
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} |
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|
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func (g Generator) Options() ViewOption { |
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return g.ViewOption |
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} |
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|
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func (g Generator) Keys() []string { |
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return nil |
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} |
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|
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func (g Generator) DefaultErrors() []string { |
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if len(g.defaultErrors) > 0 { |
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return g.defaultErrors |
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} |
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|
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if len(g.ViewOption.Errors.Default) > 0 { |
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g.Imp.Adds("errors") |
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} |
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|
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g.defaultErrors = make([]string, len(g.ViewOption.Errors.Default)) |
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for idx, name := range g.ViewOption.Errors.Default { |
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short, err := g.AddType(name) |
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if err != nil { |
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g.errs = append(g.errs, fmt.Errorf("add default error[%d]:%w", idx, err)) |
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|
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return nil |
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} |
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|
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g.defaultErrors[idx] = short |
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} |
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|
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return g.defaultErrors |
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} |
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|
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func (g *Generator) AddType(pkg string) (string, error) { |
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return g.Imp.AddType(pkg) |
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} |
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@ -0,0 +1,16 @@ |
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package generate |
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|
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import ( |
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"errors" |
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|
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"github.com/iancoleman/strcase" |
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) |
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|
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var ( |
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ErrNotFound = errors.New("not found") |
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ErrAlreadyExist = errors.New("already exist") |
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) |
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|
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func FuncName(in string) string { |
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return strcase.ToCamel(in) |
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} |
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@ -0,0 +1,87 @@ |
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package generate |
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|
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import ( |
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"fmt" |
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"strconv" |
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"strings" |
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) |
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|
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func NewImports() Imports { |
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return Imports{ |
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data: make(map[string]string), |
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} |
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} |
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|
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type Imports struct { |
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data map[string]string |
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} |
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|
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func (i Imports) Imports() []Import { |
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imports := make([]Import, 0, len(i.data)) |
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for name, alias := range i.data { |
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imports = append(imports, Import{ |
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Package: name, |
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Alias: alias, |
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}) |
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} |
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|
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return imports |
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} |
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|
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func (i *Imports) Short(fullType string) (string, error) { |
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idx := strings.LastIndexByte(fullType, '.') |
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if idx == -1 { |
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return "", fmt.Errorf("unexpected") |
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} |
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if alias, ok := i.data[fullType[:idx]]; ok { |
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return alias + fullType[idx:], nil |
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} |
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return "", fmt.Errorf("%w alias for pkg %v", ErrNotFound, fullType[:idx]) |
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} |
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|
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func (i *Imports) AddType(fullType string) (string, error) { |
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idx := strings.LastIndexByte(fullType, '.') |
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if idx == -1 { |
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return "", fmt.Errorf("unexpected") |
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} |
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|
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imp := i.Add(fullType[:idx]) |
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return imp.Alias + fullType[idx:], nil |
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} |
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func (i *Imports) Adds(pkgs ...string) { |
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for _, pkg := range pkgs { |
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i.Add(pkg) |
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} |
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} |
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|
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func (i *Imports) Add(pkg string) Import { |
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alias := pkg |
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idx := strings.LastIndexByte(pkg, '/') |
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if idx != -1 { |
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alias = pkg[idx+1:] |
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} |
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if al, ok := i.data[pkg]; ok { |
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return Import{Package: pkg, Alias: al} |
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} |
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|
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for _, al := range i.data { |
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if al == alias { |
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alias += strconv.Itoa(len(i.data)) |
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} |
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} |
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i.data[pkg] = alias |
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|
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return Import{ |
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Alias: alias, |
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Package: pkg, |
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} |
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} |
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|
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type Import struct { |
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Alias string |
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Package string |
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} |
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@ -0,0 +1,38 @@ |
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package generate |
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|
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import ( |
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"bytes" |
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"fmt" |
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"io" |
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|
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"gitoa.ru/go-4devs/config/definition" |
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) |
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|
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func Run(w io.Writer, pkgName string, defs definition.Definition, viewOpt ViewOption) error { |
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gen := Generator{ |
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pkg: pkgName, |
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ViewOption: viewOpt, |
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Imp: NewImports(), |
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} |
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gen.Imp.Adds("gitoa.ru/go-4devs/config", "fmt", "context") |
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var view bytes.Buffer |
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err := defs.View(func(o definition.Option) error { |
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return gen.Handle(&view, &gen, o) |
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}) |
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if err != nil { |
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return fmt.Errorf("render options:%w", err) |
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} |
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if err := tpl.Execute(w, gen); err != nil { |
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return fmt.Errorf("render base:%w", err) |
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} |
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_, cerr := io.Copy(w, &view) |
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if cerr != nil { |
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return fmt.Errorf("copy error:%w", cerr) |
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} |
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return nil |
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} |
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@ -0,0 +1,41 @@ |
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package generate |
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import "text/template" |
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var tpl = template.Must(template.New("tpls").Parse(baseTemplate)) |
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var baseTemplate = `// Code generated gitoa.ru/go-4devs/config DO NOT EDIT.
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package {{.Pkg}} |
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|
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import ( |
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{{range .Imports}} |
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{{- .Alias }}"{{ .Package }}" |
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{{end}} |
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) |
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|
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func With{{.StructName}}Log(log func(context.Context, string, ...any)) func(*{{.StructName}}) { |
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return func(ci *{{.StructName}}) { |
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ci.log = log |
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} |
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} |
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|
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func New{{.StructName}}(prov config.Provider, opts ...func(*{{.StructName}})) {{.StructName}} { |
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i := {{.StructName}}{ |
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Provider: prov, |
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log: func(_ context.Context, format string, args ...any) { |
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fmt.Printf(format, args...) |
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}, |
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} |
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|
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for _, opt := range opts { |
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opt(&i) |
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} |
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|
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return i |
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} |
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|
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type {{.StructName}} struct { |
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config.Provider |
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log func(context.Context, string, ...any) |
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} |
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` |
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@ -0,0 +1,60 @@ |
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package generate |
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|
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import ( |
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"fmt" |
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"io" |
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"sync" |
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|
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"gitoa.ru/go-4devs/config/definition" |
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) |
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|
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var handlers = sync.Map{} |
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|
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func Add(kind string, h Handle) error { |
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_, ok := handlers.Load(kind) |
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if ok { |
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return fmt.Errorf("kind %v: %w", kind, ErrAlreadyExist) |
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} |
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|
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handlers.Store(kind, h) |
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return nil |
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} |
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|
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func get(kind string) Handle { |
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h, ok := handlers.Load(kind) |
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if !ok { |
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return func(w io.Writer, h Handler, o definition.Option) error { |
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return fmt.Errorf("handler by %v:%w", kind, ErrNotFound) |
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} |
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} |
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|
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return h.(Handle) |
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} |
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|
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func MustAdd(kind string, h Handle) { |
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if err := Add(kind, h); err != nil { |
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panic(err) |
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} |
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} |
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|
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type Handle func(io.Writer, Handler, definition.Option) error |
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|
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type Handler interface { |
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StructName() string |
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Handle(io.Writer, Handler, definition.Option) error |
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Options() ViewOption |
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Keys() []string |
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AddType(fullName string) (string, error) |
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DefaultErrors() []string |
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} |
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|
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type ViewOption struct { |
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Prefix, Suffix string |
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Context bool |
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Struct string |
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Errors ViewErrors |
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} |
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|
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type ViewErrors struct { |
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Default []string |
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} |
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@ -0,0 +1,27 @@ |
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package group |
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|
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import ( |
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"gitoa.ru/go-4devs/config/definition" |
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) |
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|
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const Kind = "group" |
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|
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var _ definition.Option = Group{} |
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|
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func New(name, desc string, opts ...definition.Option) Group { |
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return Group{ |
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Name: name, |
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Description: desc, |
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Options: opts, |
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} |
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} |
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|
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type Group struct { |
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Options definition.Options |
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Name string |
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Description string |
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} |
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|
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func (o Group) Kind() string { |
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return Kind |
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} |
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@ -0,0 +1,85 @@ |
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package group |
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|
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import ( |
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"fmt" |
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"io" |
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"text/template" |
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|
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"gitoa.ru/go-4devs/config/definition" |
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"gitoa.ru/go-4devs/config/definition/generate" |
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) |
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|
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func init() { |
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generate.MustAdd(Kind, handle) |
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} |
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|
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func handle(w io.Writer, data generate.Handler, option definition.Option) error { |
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group, ok := option.(Group) |
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if !ok { |
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return fmt.Errorf("uexepected type:%T", option) |
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} |
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viewData := View{ |
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Group: group, |
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ParentName: data.StructName(), |
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ViewOption: data.Options(), |
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} |
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|
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err := tpl.Execute(w, viewData) |
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|
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if err != nil { |
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return fmt.Errorf("render group:%w", err) |
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} |
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|
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childData := ChildData{ |
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Handler: data, |
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structName: viewData.StructName(), |
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keys: append(data.Keys(), group.Name), |
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} |
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for idx, child := range group.Options { |
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if cerr := data.Handle(w, childData, child); cerr != nil { |
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return fmt.Errorf("render group child[%d]:%w", idx, cerr) |
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} |
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} |
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|
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return nil |
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} |
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|
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type ChildData struct { |
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generate.Handler |
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structName string |
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keys []string |
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} |
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|
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func (c ChildData) StructName() string { |
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return c.structName |
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} |
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|
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func (v ChildData) Keys() []string { |
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return v.keys |
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} |
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|
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type View struct { |
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Group |
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ParentName string |
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generate.ViewOption |
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} |
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|
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func (v View) FuncName() string { |
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return generate.FuncName(v.Name) |
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} |
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|
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func (v View) StructName() string { |
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return generate.FuncName(v.Prefix + v.Name + v.Suffix) |
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} |
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|
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var tpl = template.Must(template.New("tpls").Parse(tplw)) |
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|
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var tplw = `type {{.StructName}} struct { |
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{{.ParentName}} |
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} |
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|
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// {{.FuncName}} {{.Description}}.
|
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func (i {{.ParentName}}) {{.FuncName}}() {{.StructName}} { |
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return {{.StructName}}{i} |
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} |
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` |
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@ -0,0 +1,27 @@ |
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package definition |
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|
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type Option interface { |
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Kind() string |
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} |
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|
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type Options []Option |
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|
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func (s Options) Len() int { return len(s) } |
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func (s Options) Swap(i, j int) { s[i], s[j] = s[j], s[i] } |
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|
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type Params []Param |
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|
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func (p Params) Get(name string) (any, bool) { |
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for _, param := range p { |
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if param.Name == name { |
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return param.Value, true |
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} |
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} |
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|
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return nil, false |
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} |
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|
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type Param struct { |
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Name string |
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Value any |
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} |
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@ -0,0 +1,100 @@ |
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package option |
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|
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import ( |
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"gitoa.ru/go-4devs/config/definition" |
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) |
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|
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var _ definition.Option = Option{} |
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|
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const ( |
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Kind = "option" |
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) |
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|
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const ( |
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TypeString = "string" |
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TypeInt = "int" |
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TypeInt64 = "int64" |
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TypeUint = "uint" |
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TypeUint64 = "uint64" |
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TypeFloat64 = "float64" |
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TypeBool = "bool" |
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TypeTime = "time.Time" |
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TypeDuration = "time.Duration" |
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) |
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|
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func Default(v any) func(*Option) { |
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return func(o *Option) { |
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o.Default = v |
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} |
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} |
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|
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func New(name, desc string, vtype any, opts ...func(*Option)) Option { |
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option := Option{ |
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Name: name, |
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Description: desc, |
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Type: vtype, |
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} |
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|
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for _, opt := range opts { |
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opt(&option) |
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} |
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|
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return option |
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} |
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|
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type Option struct { |
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Name string |
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Description string |
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Type any |
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Default any |
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Params definition.Params |
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} |
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|
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func (o Option) WithParams(params ...definition.Param) Option { |
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return Option{ |
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Name: o.Name, |
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Description: o.Description, |
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Type: o.Type, |
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Params: append(params, o.Params...), |
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} |
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} |
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|
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func (o Option) Kind() string { |
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return Kind |
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} |
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|
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func Time(name, desc string, opts ...func(*Option)) Option { |
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return New(name, desc, TypeTime, opts...) |
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} |
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|
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func Duration(name, desc string, opts ...func(*Option)) Option { |
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return New(name, desc, TypeDuration, opts...) |
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} |
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|
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func String(name, desc string, opts ...func(*Option)) Option { |
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return New(name, desc, TypeString, opts...) |
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} |
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|
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func Int(name, desc string, opts ...func(*Option)) Option { |
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return New(name, desc, TypeInt, opts...) |
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} |
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|
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func Int64(name, desc string, opts ...func(*Option)) Option { |
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return New(name, desc, TypeInt64, opts...) |
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} |
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|
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func Uint(name, desc string, opts ...func(*Option)) Option { |
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return New(name, desc, TypeUint, opts...) |
|||
} |
|||
|
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func Uint64(name, desc string, opts ...func(*Option)) Option { |
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return New(name, desc, TypeUint64, opts...) |
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} |
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|
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func Float64(name, desc string, opts ...func(*Option)) Option { |
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return New(name, desc, TypeFloat64, opts...) |
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} |
|||
|
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func Bool(name, desc string, opts ...func(*Option)) Option { |
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return New(name, desc, TypeBool, opts...) |
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} |
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@ -0,0 +1,33 @@ |
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// read{{.FuncName}} {{.Description}}. |
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func (i {{.StructName}}) read{{.FuncName}}(ctx context.Context) (v {{.Type}},e error) { |
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val, err := i.Value(ctx, {{ .ParentKeys }}"{{ .Name }}") |
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if err != nil { |
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{{if .HasDefault}} |
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{{$default := .Default}} |
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{{range .DefaultErrors}} |
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if errors.Is(err,{{.}}){ |
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return {{$default}} |
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} |
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{{end}} |
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{{end}} |
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return v, fmt.Errorf("read {{.Keys}}:%w",err) |
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} |
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|
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{{.Parse "val" "v" .Keys }} |
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} |
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|
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// Read{{.FuncName}} {{.Description}}. |
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func (i {{.StructName}}) Read{{.FuncName}}(ctx context.Context) ({{.Type}}, error) { |
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return i.read{{.FuncName}}(ctx) |
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} |
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|
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// {{.FuncName}} {{.Description}}. |
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func (i {{.StructName}}) {{.FuncName}}({{if .Context}} ctx context.Context {{end}}) {{.Type}} { |
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{{if not .Context}} ctx := context.Background() {{end}} |
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val, err := i.read{{.FuncName}}(ctx) |
|||
if err != nil { |
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i.log(ctx, "get {{.Keys}}: %v", err) |
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} |
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|
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return val |
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} |
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@ -0,0 +1,3 @@ |
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{{block "Parse" .}} |
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return {{.ValName}}.Parse{{ .FuncType}}() |
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{{end}} |
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@ -0,0 +1,8 @@ |
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{{block "UnmarshalJSON" . }} |
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pval, perr := {{.ValName}}.ParseString() |
|||
if perr != nil { |
|||
return {{.Value}}, fmt.Errorf("read {{.Keys}}:%w", perr) |
|||
} |
|||
|
|||
return {{.Value}}, {{.Value}}.UnmarshalJSON([]byte(pval)) |
|||
{{end}} |
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@ -0,0 +1,8 @@ |
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{{block "UnmarshalText" . }} |
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pval, perr := {{.ValName}}.ParseString() |
|||
if perr != nil { |
|||
return {{.Value}}, fmt.Errorf("read {{.Keys}}:%w", perr) |
|||
} |
|||
|
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return {{.Value}}, {{.Value}}.UnmarshalText([]byte(pval)) |
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{{end}} |
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@ -0,0 +1,226 @@ |
|||
package option |
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|
|||
import ( |
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"bytes" |
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"embed" |
|||
"encoding" |
|||
"encoding/json" |
|||
"fmt" |
|||
"io" |
|||
"reflect" |
|||
"strings" |
|||
"text/template" |
|||
"time" |
|||
|
|||
"gitoa.ru/go-4devs/config/definition" |
|||
"gitoa.ru/go-4devs/config/definition/generate" |
|||
) |
|||
|
|||
//go:embed tpl/*
|
|||
var tpls embed.FS |
|||
|
|||
var tpl = template.Must(template.New("tpls").ParseFS(tpls, "tpl/*.tmpl")) |
|||
|
|||
func init() { |
|||
generate.MustAdd(Kind, Handle(tpl.Lookup("option.tmpl"))) |
|||
} |
|||
|
|||
func Handle(tpl *template.Template) generate.Handle { |
|||
return func(w io.Writer, h generate.Handler, o definition.Option) error { |
|||
opt, _ := o.(Option) |
|||
if err := tpl.Execute(w, View{Option: opt, Handler: h}); err != nil { |
|||
return fmt.Errorf("option tpl:%w", err) |
|||
} |
|||
|
|||
return nil |
|||
} |
|||
} |
|||
|
|||
type View struct { |
|||
Option |
|||
generate.Handler |
|||
} |
|||
|
|||
func (v View) Context() bool { |
|||
return v.Options().Context |
|||
} |
|||
|
|||
func (v View) FuncName() string { |
|||
if funcName, ok := v.Option.Params.Get(ViewParamFunctName); ok { |
|||
return funcName.(string) |
|||
} |
|||
|
|||
return generate.FuncName(v.Name) |
|||
} |
|||
|
|||
func (v View) Description() string { |
|||
if desc, ok := v.Option.Params.Get(ViewParamDescription); ok { |
|||
return desc.(string) |
|||
} |
|||
|
|||
return v.Option.Description |
|||
} |
|||
|
|||
func (v View) Default() string { |
|||
switch data := v.Option.Default.(type) { |
|||
case time.Time: |
|||
return fmt.Sprintf("time.Parse(%q,time.RFC3339Nano)", data.Format(time.RFC3339Nano)) |
|||
case time.Duration: |
|||
return fmt.Sprintf("time.ParseDuration(%q)", data) |
|||
default: |
|||
return fmt.Sprintf("%#v, nil", data) |
|||
} |
|||
} |
|||
|
|||
func (v View) HasDefault() bool { |
|||
return v.Option.Default != nil |
|||
} |
|||
|
|||
func (v View) ParentKeys() string { |
|||
if len(v.Handler.Keys()) > 0 { |
|||
return `"` + strings.Join(v.Handler.Keys(), `","`) + `",` |
|||
} |
|||
|
|||
return "" |
|||
} |
|||
|
|||
func (v View) Type() string { |
|||
slice := "" |
|||
if vtype, ok := v.Option.Type.(string); ok { |
|||
if strings.Contains(vtype, ".") { |
|||
if name, err := v.AddType(vtype); err == nil { |
|||
return slice + name |
|||
} |
|||
} |
|||
return vtype |
|||
} |
|||
|
|||
rtype := reflect.TypeOf(v.Option.Type) |
|||
|
|||
if rtype.PkgPath() == "" { |
|||
return rtype.String() |
|||
} |
|||
|
|||
if rtype.Kind() == reflect.Slice { |
|||
slice = "[]" |
|||
} |
|||
|
|||
short, err := v.AddType(rtype.PkgPath() + "." + rtype.Name()) |
|||
if err != nil { |
|||
return err.Error() |
|||
} |
|||
|
|||
return slice + short |
|||
} |
|||
|
|||
func (v View) FuncType() string { |
|||
return generate.FuncName(v.Type()) |
|||
} |
|||
|
|||
func (v View) Parse(valName string, value string, keys []string) string { |
|||
|
|||
h := parser(v.Option.Type) |
|||
|
|||
data, err := h(ParseData{ |
|||
Value: value, |
|||
ValName: valName, |
|||
Keys: keys, |
|||
View: v, |
|||
}) |
|||
if err != nil { |
|||
return err.Error() |
|||
} |
|||
|
|||
return data |
|||
} |
|||
|
|||
var parses = map[string]func(data ParseData) (string, error){ |
|||
typesIntreface[0].Name(): func(data ParseData) (string, error) { |
|||
var b bytes.Buffer |
|||
|
|||
err := tpl.ExecuteTemplate(&b, "unmarshal_text.tmpl", data) |
|||
if err != nil { |
|||
return "", err |
|||
} |
|||
|
|||
return b.String(), nil |
|||
}, |
|||
typesIntreface[1].Name(): func(data ParseData) (string, error) { |
|||
var b bytes.Buffer |
|||
|
|||
err := tpl.ExecuteTemplate(&b, "unmarshal_json.tmpl", data) |
|||
if err != nil { |
|||
return "", err |
|||
} |
|||
|
|||
return b.String(), nil |
|||
}, |
|||
TypeInt: internal, |
|||
TypeInt64: internal, |
|||
TypeBool: internal, |
|||
TypeString: internal, |
|||
TypeFloat64: internal, |
|||
TypeUint: internal, |
|||
TypeUint64: internal, |
|||
"time.Duration": func(data ParseData) (string, error) { |
|||
return fmt.Sprintf("return %s.ParseDuration()", data.ValName), nil |
|||
}, |
|||
"time.Time": func(data ParseData) (string, error) { |
|||
return fmt.Sprintf("return %s.ParseTime()", data.ValName), nil |
|||
}, |
|||
"any": func(data ParseData) (string, error) { |
|||
return fmt.Sprintf("return %[2]s, %[1]s.Unmarshal(&%[2]s)", data.ValName, data.Value), nil |
|||
}, |
|||
} |
|||
|
|||
func internal(data ParseData) (string, error) { |
|||
var b bytes.Buffer |
|||
err := tpl.ExecuteTemplate(&b, "parse.tmpl", data) |
|||
if err != nil { |
|||
return "", err |
|||
} |
|||
|
|||
return b.String(), nil |
|||
} |
|||
|
|||
var ( |
|||
typesIntreface = [...]reflect.Type{ |
|||
reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem(), |
|||
reflect.TypeOf((*json.Unmarshaler)(nil)).Elem(), |
|||
} |
|||
) |
|||
|
|||
func parser(data any) func(ParseData) (string, error) { |
|||
vtype := reflect.TypeOf(data) |
|||
name := vtype.Name() |
|||
if v, ok := data.(string); ok { |
|||
name = v |
|||
} |
|||
|
|||
if vtype.Kind() == reflect.Slice { |
|||
return parses["any"] |
|||
} |
|||
|
|||
if h, ok := parses[name]; ok { |
|||
return h |
|||
} |
|||
|
|||
for _, extypes := range typesIntreface { |
|||
if vtype.Implements(extypes) { |
|||
return parses[extypes.Name()] |
|||
} |
|||
|
|||
if vtype.Kind() != reflect.Ptr && reflect.PointerTo(vtype).Implements(extypes) { |
|||
return parses[extypes.Name()] |
|||
} |
|||
} |
|||
|
|||
return parses["any"] |
|||
} |
|||
|
|||
type ParseData struct { |
|||
Value string |
|||
ValName string |
|||
Keys []string |
|||
View |
|||
} |
|||
@ -0,0 +1,6 @@ |
|||
package option |
|||
|
|||
const ( |
|||
ViewParamFunctName = "view.funcName" |
|||
ViewParamDescription = "view.description" |
|||
) |
|||
@ -0,0 +1,27 @@ |
|||
package proto |
|||
|
|||
import ( |
|||
"gitoa.ru/go-4devs/config/definition" |
|||
) |
|||
|
|||
const Kind = "proto" |
|||
|
|||
func New(name, desc string, opt definition.Option, opts ...func(*Proto)) Proto { |
|||
pr := Proto{ |
|||
Name: name, |
|||
Description: desc, |
|||
Option: opt, |
|||
} |
|||
|
|||
return pr |
|||
} |
|||
|
|||
type Proto struct { |
|||
Name string |
|||
Description string |
|||
Option definition.Option |
|||
} |
|||
|
|||
func (p Proto) Kind() string { |
|||
return Kind |
|||
} |
|||
@ -0,0 +1,76 @@ |
|||
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" |
|||
) |
|||
|
|||
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("uexepected type:%T", 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("not support option type") |
|||
} |
|||
|
|||
var tpl = template.Must(template.New("tpls").Funcs(template.FuncMap{"join": strings.Join}).Parse(templateOption)) |
|||
|
|||
var 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 |
|||
} |
|||
` |
|||
Loading…
Reference in new issue