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package registry
import (
"bytes"
"encoding/gob"
"fmt"
"git.capotej.com/capotej/communique/config"
"git.capotej.com/capotej/communique/models"
"git.capotej.com/capotej/communique/urls"
"git.capotej.com/capotej/communique/views"
)
type Handler struct {
handlerCfg config.Handler
}
// TODO rename to controller and controller.go
type Registry struct {
cfg config.Config
persister *models.Persister
handlerMap map[string]Handler
}
func NewRegistry(cfg config.Config, persister *models.Persister) *Registry {
reg := Registry{cfg: cfg, persister: persister}
reg.handlerMap = make(map[string]Handler)
for _, v := range cfg.Handlers {
reg.handlerMap[fqn(v.Name, cfg.Domain)] = Handler{handlerCfg: v}
}
return ®
}
func (r *Registry) Actor(name string) (map[string]interface{}, error) {
handler := r.findByName(name)
if handler == nil {
return nil, nil
}
return views.RenderActor(handler.handlerCfg.Name, r.cfg.Domain)
}
func (r *Registry) Outbox(name string) (map[string]interface{}, error) {
handler := r.findByName(name)
if handler == nil {
return nil, nil
}
aso := models.NewOutboxItem(handler.handlerCfg)
totalItems, err := r.persister.Count(aso)
if err != nil {
return nil, err
}
return views.RenderOutbox(handler.handlerCfg.Name, r.cfg.Domain, totalItems)
}
func (r *Registry) OutboxCollection(name string) (map[string]interface{}, error) {
handler := r.findByName(name)
if handler == nil {
return nil, nil
}
aso := models.NewOutboxItem(handler.handlerCfg)
page, err := r.persister.Collect(aso)
if err != nil {
return nil, err
}
var outboxItems []models.OutboxItem
for _, v := range page[0:20] { //TODO pagination
buf := bytes.NewBuffer(v)
dec := gob.NewDecoder(buf)
var outboxItem models.OutboxItem
err = dec.Decode(&outboxItem)
if err != nil {
return nil, err
}
outboxItems = append(outboxItems, outboxItem)
}
return views.RenderOutboxCollection(handler.handlerCfg.Name, r.cfg.Domain, outboxItems)
}
func (r *Registry) Following(name string) (map[string]interface{}, error) {
handler := r.findByName(name)
if handler == nil {
return nil, nil
}
profile, err := urls.UrlProfile(name, r.cfg.Domain)
if err != nil {
return nil, err
}
following, err := urls.UrlFollowing(name, r.cfg.Domain)
if err != nil {
return nil, err
}
result := make(map[string]interface{})
result["@context"] = "https://www.w3.org/ns/activitystreams"
result["attributedTo"] = profile.String()
result["id"] = following.String()
result["totalItems"] = 0
result["orderedItems"] = []bool{}
result["type"] = "OrderedCollection"
return result, nil
}
func (r *Registry) Followers(name string) (map[string]interface{}, error) {
handler := r.findByName(name)
if handler == nil {
return nil, nil
}
profile, err := urls.UrlProfile(name, r.cfg.Domain)
if err != nil {
return nil, err
}
followers, err := urls.UrlFollowers(name, r.cfg.Domain)
if err != nil {
return nil, err
}
result := make(map[string]interface{})
result["@context"] = "https://www.w3.org/ns/activitystreams"
result["attributedTo"] = profile.String()
result["id"] = followers.String()
result["totalItems"] = 0
result["orderedItems"] = []bool{}
result["type"] = "OrderedCollection"
return result, nil
}
func (r *Registry) ActivityOrNote(activityOrNote, name, id string) (map[string]interface{}, error) {
handler := r.findByName(name)
if handler == nil {
return nil, nil
}
lookup := models.NewOutboxItem(handler.handlerCfg)
lookup.Id = []byte(id)
result, err := r.persister.Find(lookup)
if err != nil {
return nil, err
}
if result == nil {
return nil, nil
}
buf := bytes.NewBuffer(result)
dec := gob.NewDecoder(buf)
var outboxItem models.OutboxItem
err = dec.Decode(&outboxItem)
if err != nil {
return nil, err
}
if activityOrNote == "activity" {
return views.RenderActivity(handler.handlerCfg.Name, r.cfg.Domain, outboxItem)
}
return views.RenderNote(handler.handlerCfg.Name, r.cfg.Domain, outboxItem)
}
func (r *Registry) WebfingerResource(fqn string) (*views.WebfingerResource, error) {
handler := r.findByFQN(fqn)
if handler == nil {
handler = r.findByFQN("acct:" + fqn)
}
if handler == nil {
return nil, nil
}
return views.RenderWebfingerResource(handler.handlerCfg.Name, r.cfg.Domain)
}
func fqn(name, domain string) string {
return fmt.Sprintf("acct:%s@%s", name, domain)
}
func (r *Registry) findByFQN(fqn string) *Handler {
handler, ok := r.handlerMap[fqn]
if !ok {
return nil
}
return &handler
}
func (r *Registry) findByName(name string) *Handler {
return r.findByFQN(fqn(name, r.cfg.Domain))
}
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