core-legacy/endpoints/api_v1_controllers.c

#include <cJSON.h>
#include <macros.h>
#include <constants.h>
#include <endpoints/api_v1_controllers.h>
#include <logger.h>
#include <models/junction_tag.h>
#include <models/controller.h>
#include <models/tag.h>

void
api_v1_controllers_GET(struct http_message *hm, endpoint_args_t *args, endpoint_response_t *response)
{
    (void)args;
    (void)hm;
    controller_t** all_controllers = controller_get_all();

    cJSON *json = cJSON_CreateArray();

    for(int i = 0; all_controllers[i] != NULL; ++i)
    {
        cJSON *json_controller = controller_to_json(all_controllers[i]);

        cJSON_AddItemToArray(json, json_controller);
    }

    char *json_str = cJSON_Print(json);
    if (json_str == NULL)
    {
        LOG_ERROR("failed to print controllers json\n");

        static const char content[] = "failed to print json for controllers";
        response->status_code = 500;
        response->content_type = "text/plain";
        response->content_length = STRLEN(content);;
        response->content = content;
        response->alloced_content = false;
    }
    else
    {
        response->status_code = 200;
        response->content_type = "application/json";
        response->content_length = strlen(json_str);
        response->content = json_str;
        response->alloced_content = true;
    }
    cJSON_Delete(json);
    controller_free_list(all_controllers);
}