homebox/backend/internal/services/contexts.go
Hayden 31b34241e0
feat: item-attachments CRUD (#22)
* change /content/ -> /homebox/

* add cache to code generators

* update env variables to set data storage

* update env variables

* set env variables in prod container

* implement attachment post route (WIP)

* get attachment endpoint

* attachment download

* implement string utilities lib

* implement generic drop zone

* use explicit truncate

* remove clean dir

* drop strings composable for lib

* update item types and add attachments

* add attachment API

* implement service context

* consolidate API code

* implement editing attachments

* implement upload limit configuration

* improve error handling

* add docs for max upload size

* fix test cases
2022-09-24 11:33:38 -08:00

66 lines
1.6 KiB
Go

package services
import (
"context"
"github.com/google/uuid"
"github.com/hay-kot/homebox/backend/internal/types"
)
type contextKeys struct {
name string
}
var (
ContextUser = &contextKeys{name: "User"}
ContextUserToken = &contextKeys{name: "UserToken"}
)
type Context struct {
context.Context
// UID is a unique identifier for the acting user.
UID uuid.UUID
// GID is a unique identifier for the acting users group.
GID uuid.UUID
// User is the acting user.
User *types.UserOut
}
// NewContext is a helper function that returns the service context from the context.
// This extracts the users from the context and embeds it into the ServiceContext struct
func NewContext(ctx context.Context) Context {
user := UseUserCtx(ctx)
return Context{
Context: ctx,
UID: user.ID,
GID: user.GroupID,
User: user,
}
}
// SetUserCtx is a helper function that sets the ContextUser and ContextUserToken
// values within the context of a web request (or any context).
func SetUserCtx(ctx context.Context, user *types.UserOut, token string) context.Context {
ctx = context.WithValue(ctx, ContextUser, user)
ctx = context.WithValue(ctx, ContextUserToken, token)
return ctx
}
// UseUserCtx is a helper function that returns the user from the context.
func UseUserCtx(ctx context.Context) *types.UserOut {
if val := ctx.Value(ContextUser); val != nil {
return val.(*types.UserOut)
}
return nil
}
// UseTokenCtx is a helper function that returns the user token from the context.
func UseTokenCtx(ctx context.Context) string {
if val := ctx.Value(ContextUserToken); val != nil {
return val.(string)
}
return ""
}