appview/{oauth,pages}: remove `Pds` field from `oauth.User`

The `Pds` field is only used to render it on settings/profile page. We
can get user PDS from DID instead.

Signed-off-by: Seongmin Lee <[e-mail]>

appview/oauth/accounts.go

···
 	return m.Active.Did
 }
 
-func (m *MultiAccountUser) Pds() string {
-	if m.Active == nil {
-		return ""
-	}
-	return m.Active.Pds
-}
-
 func (o *OAuth) GetAccounts(r *http.Request) *AccountRegistry {
 	session, err := o.SessStore.Get(r, AccountsName)
 	if err != nil || session.IsNew {

appview/oauth/accounts_test.go

···
 func TestMultiAccountUser_Did(t *testing.T) {
 	t.Run("with active user", func(t *testing.T) {
 		user := &MultiAccountUser{
-			Active: &User{Did: "did:plc:test", Pds: "https://bsky.social"},
+			Active: &User{Did: "did:plc:test"},
 		}
 		if user.Did() != "did:plc:test" {
 			t.Errorf("Did() = %s, want did:plc:test", user.Did())

appview/oauth/oauth.go

···
 
 type User struct {
 	Did string
-	Pds string
 }
 
 func (o *OAuth) GetUser(r *http.Request) *User {
···
 
 	return &User{
 		Did: sess.Data.AccountDID.String(),
-		Pds: sess.Data.HostURL,
 	}
 }
 

appview/pages/funcmap.go

···
 
 			return identity.Handle.String()
 		},
+		"resolvePds": func(s string) string {
+			identity, err := p.resolver.ResolveIdent(context.Background(), s)
+			if err != nil {
+				return ""
+			}
+			return identity.PDSEndpoint()
+		},
 		"ownerSlashRepo": func(repo *models.Repo) string {
 			ownerId, err := p.resolver.ResolveIdent(context.Background(), repo.Did)
 			if err != nil {

appview/pages/templates/user/settings/profile.html

···
           <span>Personal Data Server (PDS)</span>
         </div>
         <span class="font-bold">
-          {{ .LoggedInUser.Pds }}
+          {{ resolvePds .LoggedInUser.Did }}
         </span>
       </div>
     </div>