Function FindEnvironments

pkg/executionscommon/executionscommon.go:435–470

given an array of environment names, maps these all to actual objects by querying the server

(client *octopusApiClient.Client, environmentNamesOrIds []string)

// given an array of environment names, maps these all to actual objects by querying the server
func FindEnvironments(client *octopusApiClient.Client, environmentNamesOrIds []string) ([]*environments.Environment, error) {
	if len(environmentNamesOrIds) == 0 {
		return nil, nil
	}
	// there's no "bulk lookup" API, so we either need to do a foreach loop to find each environment individually, or load the entire server's worth of environments
	// it's probably going to be cheaper to just list out all the environments and match them client side, so we'll do that for simplicity's sake
	allEnvs, err := client.Environments.GetAll()
	if err != nil {
		return nil, err
	}

	nameLookup := make(map[string]*environments.Environment, len(allEnvs))
	idLookup := make(map[string]*environments.Environment, len(allEnvs))

	for _, env := range allEnvs {
		nameLookup[strings.ToLower(env.GetName())] = env
		idLookup[strings.ToLower(env.GetID())] = env
	}

	var result []*environments.Environment
	for _, n := range environmentNamesOrIds {
		nameOrId := strings.ToLower(n)
		env := nameLookup[nameOrId]
		if env != nil {
			result = append(result, env)
		} else {
			env = idLookup[nameOrId]
			if env != nil {
				result = append(result, env)
			} else {
				return nil, fmt.Errorf("cannot find environment %s", nameOrId)
			}
		}
	}
	return result, nil
}