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package componentcore
import (
"context"
"slices"
"strings"
"sync"
"time"
)
const (
scopeCacheTTL = 10 * time.Second
scopeRefreshMin = 500 * time.Millisecond
scopeLookupTimeout = 10 * time.Second
)
type workspaceScope struct {
static []string
dynamic func(context.Context) []string
mu sync.Mutex
ctx context.Context
cached []string
at time.Time
}
func newWorkspaceScope(static []string, dynamic func(context.Context) []string) *workspaceScope {
out := make([]string, 0, len(static))
for _, workspace := range static {
if workspace = strings.TrimSpace(workspace); workspace != "" && !slices.Contains(out, workspace) {
out = append(out, workspace)
}
}
return &workspaceScope{static: out, dynamic: dynamic}
}
func (s *workspaceScope) start(ctx context.Context) {
s.mu.Lock()
defer s.mu.Unlock()
s.ctx, s.cached, s.at = ctx, nil, time.Time{}
}
func (s *workspaceScope) base() string {
if len(s.static) == 0 {
return DefaultWorkspace
}
return s.static[0]
}
func (s *workspaceScope) Base(workspace string) bool {
return strings.TrimSpace(workspace) == s.base()
}
func (s *workspaceScope) Contains(workspace string) bool {
workspace = strings.TrimSpace(workspace)
if slices.Contains(s.static, workspace) {
return true
}
if s.dynamic == nil {
return false
}
s.mu.Lock()
defer s.mu.Unlock()
age := time.Since(s.at)
fresh := s.cached != nil && age <= scopeCacheTTL
if fresh && slices.Contains(s.cached, workspace) {
return true
}
if s.ctx == nil || s.ctx.Err() != nil || (fresh && age < scopeRefreshMin) {
return slices.Contains(s.cached, workspace)
}
ctx, cancel := context.WithTimeout(s.ctx, scopeLookupTimeout)
s.cached = append([]string{}, s.dynamic(ctx)...)
cancel()
s.at = time.Now()
return slices.Contains(s.cached, workspace)
}
