discourse/groups.go

package discourse

import (
	"encoding/json"
	"fmt"
	"strings"
)

func GetGroupMembers(config APIConfig, groupName string, limit int) ([]string, error) {
	offset := 0

	members := []string{}

	for {
		url := fmt.Sprintf("%s/groups/%s/members.json?limit=%d&offset=%d", config.Endpoint, groupName, limit, offset)
		req, _ := newGetRequest(config, url)
		client := getClient(rl)
		response, _ := client.Do(req)

		var result *GroupResponse
		json.NewDecoder(response.Body).Decode(&result)

		if result.ErrorType != "" {
			return nil, fmt.Errorf("failed to get discourse group memers. Error: %s", strings.Join(result.Errors, "; "))
		}

		for _, member := range result.Members {
			members = append(members, member.Username)
		}

		if len(result.Members) < limit {
			break
		}

		offset += limit
	}

	return members, nil
}

type GroupResponse struct {
	Errors    []string      `json:"errors"`
	ErrorType string        `json:"error_type"`
	Members   []GroupMember `json:members"`
}

type GroupMember struct {
	Username string `json:"username"`
}