init: ops-assistant codebase

internal/core/registry/registry.go

@@ -0,0 +1,47 @@
+package registry
+
+import (
+	"sort"
+
+	"ops-assistant/internal/core/command"
+)
+
+type Handler func(userID int64, cmd *command.ParsedCommand) (string, error)
+
+type Registry struct {
+	handlers       map[string]Handler
+	moduleHandlers map[string]Handler
+}
+
+func New() *Registry {
+	return &Registry{handlers: map[string]Handler{}, moduleHandlers: map[string]Handler{}}
+}
+
+func (r *Registry) Register(name string, h Handler) {
+	r.handlers[name] = h
+}
+
+func (r *Registry) RegisterModule(module string, h Handler) {
+	r.moduleHandlers[module] = h
+}
+
+func (r *Registry) Handle(userID int64, cmd *command.ParsedCommand) (string, bool, error) {
+	if h, ok := r.handlers[cmd.Name]; ok {
+		out, err := h(userID, cmd)
+		return out, true, err
+	}
+	if h, ok := r.moduleHandlers[cmd.Module]; ok {
+		out, err := h(userID, cmd)
+		return out, true, err
+	}
+	return "", false, nil
+}
+
+func (r *Registry) ListModules() []string {
+	mods := make([]string, 0, len(r.moduleHandlers))
+	for m := range r.moduleHandlers {
+		mods = append(mods, m)
+	}
+	sort.Strings(mods)
+	return mods
+}