chore: move app URL parsing to its own package (#11651)

* chore: move app url parsing to it's own package

coderd/workspaceapps/apptest/setup.go

@@ -21,8 +21,8 @@ import (
 	"cdr.dev/slog/sloggers/slogtest"
 	"github.com/coder/coder/v2/agent"
 	"github.com/coder/coder/v2/coderd/coderdtest"
-	"github.com/coder/coder/v2/coderd/httpapi"
 	"github.com/coder/coder/v2/coderd/workspaceapps"
+	"github.com/coder/coder/v2/coderd/workspaceapps/appurl"
 	"github.com/coder/coder/v2/codersdk"
 	"github.com/coder/coder/v2/codersdk/agentsdk"
 	"github.com/coder/coder/v2/cryptorand"
@@ -146,7 +146,7 @@ func (d *Details) PathAppURL(app App) *url.URL {
 
 // SubdomainAppURL returns the URL for the given subdomain app.
 func (d *Details) SubdomainAppURL(app App) *url.URL {
-	appHost := httpapi.ApplicationURL{
+	appHost := appurl.ApplicationURL{
 		Prefix:        app.Prefix,
 		AppSlugOrPort: app.AppSlugOrPort,
 		AgentName:     app.AgentName,
@@ -370,7 +370,7 @@ func createWorkspaceWithApps(t *testing.T, client *codersdk.Client, orgID uuid.U
 	for _, app := range workspaceBuild.Resources[0].Agents[0].Apps {
 		require.True(t, app.Subdomain)
 
-		appURL := httpapi.ApplicationURL{
+		appURL := appurl.ApplicationURL{
 			Prefix: "",
 			// findProtoApp is needed as the order of apps returned from PG database
 			// is not guaranteed.
@@ -399,7 +399,7 @@ func createWorkspaceWithApps(t *testing.T, client *codersdk.Client, orgID uuid.U
 		manifest, err := agentClient.Manifest(appHostCtx)
 		require.NoError(t, err)
 
-		appHost := httpapi.ApplicationURL{
+		appHost := appurl.ApplicationURL{
 			Prefix:        "",
 			AppSlugOrPort: "{{port}}",
 			AgentName:     proxyTestAgentName,