Method getTeamsAppID

backend/plugin/webhook/teams/app.go:284–307

getTeamsAppID retrieves the Teams app ID from the app catalog. The app must be published to the organization's app catalog.

(ctx context.Context)

// getTeamsAppID retrieves the Teams app ID from the app catalog.
// The app must be published to the organization's app catalog.
func (p *provider) getTeamsAppID(ctx context.Context) (string, error) {
	// The externalId in the app catalog is the same as the clientID (Azure AD app ID).
	apiURL := fmt.Sprintf("https://graph.microsoft.com/v1.0/appCatalogs/teamsApps?$filter=externalId%%20eq%%20'%s'", p.clientID)

	b, err := p.doGraphRequest(ctx, http.MethodGet, apiURL, nil)
	if err != nil {
		return "", errors.Wrapf(err, "failed to query app catalog")
	}

	var resp struct {
		Value []struct {
			ID string `json:"id"`
		} `json:"value"`
	}
	if err := json.Unmarshal(b, &resp); err != nil {
		return "", errors.Wrapf(err, "failed to unmarshal app catalog response")
	}

	if len(resp.Value) == 0 {
		return "", errors.Errorf("Teams app with externalId %s not found in app catalog", p.clientID)
	}

	return resp.Value[0].ID, nil
}

// ensureAppInstalledForUser ensures the Teams app is installed for a user.
// Returns the installation ID.