Evstigneev Denis
76bf0520c0
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move to v4 micro Co-authored-by: Vasiliy Tolstov <v.tolstov@unistack.org> Reviewed-on: #199 Co-authored-by: Evstigneev Denis <danteevstigneev@yandex.ru> Co-committed-by: Evstigneev Denis <danteevstigneev@yandex.ru>
78 lines
1.4 KiB
Go
78 lines
1.4 KiB
Go
//go:build ignore
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package graphql_handler
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import (
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"context"
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"fmt"
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"github.com/99designs/gqlgen/graphql"
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"go.unistack.org/micro/v4/logger"
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"go.unistack.org/micro/v4/store"
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)
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var _ graphql.Cache = (*cacheWrapper)(nil)
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type Handler struct {
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opts Options
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}
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type Option func(*Options)
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type Options struct {
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cache *cacheWrapper
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Path string
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}
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type cacheWrapper struct {
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s store.Store
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l logger.Logger
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}
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func (c *cacheWrapper) Get(ctx context.Context, key string) (interface{}, bool) {
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var val interface{}
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if err := c.s.Read(ctx, key, val); err != nil && err != store.ErrNotFound {
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c.l.Error(ctx, fmt.Sprintf("cache.Get %s failed", key), err)
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return nil, false
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}
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return val, true
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}
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func (c *cacheWrapper) Add(ctx context.Context, key string, val interface{}) {
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if err := c.s.Write(ctx, key, val); err != nil {
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c.l.Error(ctx, fmt.Sprintf("cache.Add %s failed", key), err)
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}
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}
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func Store(s store.Store) Option {
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return func(o *Options) {
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if o.cache == nil {
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o.cache = &cacheWrapper{}
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}
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o.cache.s = s
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}
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}
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func Logger(l logger.Logger) Option {
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return func(o *Options) {
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if o.cache == nil {
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o.cache = &cacheWrapper{}
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}
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o.cache.l = l
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}
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}
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func Path(path string) Option {
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return func(o *Options) {
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o.Path = path
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}
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}
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func NewHandler(opts ...Option) *Handler {
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options := Options{}
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for _, o := range opts {
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o(&options)
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}
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return &Handler{opts: options}
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}
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