def (#12)

Reviewed-on: #12

definition/generate/view/view.go

@@ -0,0 +1,191 @@
+package view
+
+import (
+	"fmt"
+	"reflect"
+
+	"gitoa.ru/go-4devs/config"
+	"gitoa.ru/go-4devs/config/definition/option"
+	"gitoa.ru/go-4devs/config/param"
+)
+
+type key int
+
+const (
+	viewParamFunctName key = iota + 1
+	viewParamSkipContext
+)
+
+func WithSkipContext(p param.Params) param.Params {
+	return param.With(p, viewParamSkipContext, true)
+}
+
+func WithContext(p param.Params) param.Params {
+	return param.With(p, viewParamSkipContext, false)
+}
+
+func IsSkipContext(p param.Params) bool {
+	data, has := p.Param(viewParamSkipContext)
+
+	if has {
+		skip, ok := data.(bool)
+
+		return ok && skip
+	}
+
+	return false
+}
+
+type Option func(*View)
+
+func WithParent(name string) Option {
+	return func(v *View) {
+		v.parent = name
+	}
+}
+
+func WithKeys(keys ...string) Option {
+	return func(v *View) {
+		v.keys = keys
+	}
+}
+
+func NewViews(name string, get param.Params, option config.Options, opts ...Option) View {
+	view := newView(name, get, option, opts...)
+
+	for _, op := range option.Options() {
+		view.children = append(view.children, NewView(op, get, WithParent(name)))
+	}
+
+	return view
+}
+
+type IOption any
+
+func newView(name string, get param.Params, in any, opts ...Option) View {
+	vi := View{
+		kind:     reflect.TypeOf(in),
+		name:     name,
+		Params:   get,
+		dtype:    param.Type(get),
+		children: nil,
+		keys:     nil,
+		parent:   "",
+	}
+
+	for _, opt := range opts {
+		opt(&vi)
+	}
+
+	return vi
+}
+
+func NewView(opt config.Option, get param.Params, opts ...Option) View {
+	vi := newView(opt.Name(), param.Chain(get, opt), opt, opts...)
+
+	if data, ok := opt.(config.Group); ok {
+		for _, chi := range data.Options() {
+			vi.children = append(vi.children, NewView(
+				chi,
+				param.Chain(vi.Params, chi),
+				WithParent(vi.ParentName()+"_"+opt.Name()),
+				WithKeys(append(vi.keys, opt.Name())...),
+			))
+		}
+	}
+
+	return vi
+}
+
+type View struct {
+	param.Params
+
+	children []View
+	keys     []string
+	kind     reflect.Type
+	name     string
+	parent   string
+	dtype    any
+}
+
+func (v View) Types() []any {
+	types := make([]any, 0)
+	if v.dtype != nil {
+		types = append(types, v.dtype)
+	}
+
+	for _, child := range v.children {
+		types = append(types, child.Types()...)
+	}
+
+	return types
+}
+
+func (v View) Kind() reflect.Type {
+	return v.kind
+}
+
+func (v View) Views() []View {
+	return v.children
+}
+
+func (v View) Param(key any) string {
+	data, ok := v.Params.Param(key)
+	if !ok {
+		return ""
+	}
+
+	if res, ok := data.(string); ok {
+		return res
+	}
+
+	return fmt.Sprintf("%v", data)
+}
+
+func (v View) SkipContext() bool {
+	return IsSkipContext(v.Params)
+}
+
+func (v View) Name() string {
+	return v.name
+}
+
+func (v View) Keys() []string {
+	return v.keys
+}
+
+func (v View) Type() any {
+	return v.dtype
+}
+
+func (v View) FuncName() string {
+	data, ok := v.Params.Param(viewParamFunctName)
+	name, valid := data.(string)
+
+	if !ok || !valid {
+		return v.name
+	}
+
+	return name
+}
+
+func (v View) ParentName() string {
+	return v.parent
+}
+
+func (v View) Description() string {
+	return option.DataDescription(v.Params)
+}
+
+func (v View) Default() any {
+	data, ok := option.DataDefaut(v.Params)
+	if !ok {
+		return nil
+	}
+
+	return data
+}
+
+func (v View) HasDefault() bool {
+	return option.HasDefaut(v.Params)
+}