Files
Calendink/Provider/main/api/devices/register.cpp
Patedam ebb0ccecf4 Moved to lvgl 9.4 because 9.5 has removed runtime xml support.
Made basic example of editing xml layout from backend.
2026-03-15 14:47:32 -04:00

80 lines
2.0 KiB
C++

// POST /api/devices/register — Register a new device by MAC
// Body: {"mac": "AA:BB:CC:DD:EE:FF"}
#include "cJSON.h"
#include "esp_http_server.h"
#include "esp_log.h"
#include "types.hpp"
#include "device.hpp"
internal const char *kTagDeviceRegister = "API_DEV_REG";
internal esp_err_t api_devices_register_handler(httpd_req_t *req)
{
httpd_resp_set_type(req, "application/json");
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
char buf[128];
int received = httpd_req_recv(req, buf, sizeof(buf) - 1);
if (received <= 0)
{
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Empty body");
return ESP_FAIL;
}
buf[received] = '\0';
cJSON *body = cJSON_Parse(buf);
if (!body)
{
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Invalid JSON");
return ESP_FAIL;
}
cJSON *mac_item = cJSON_GetObjectItem(body, "mac");
if (!cJSON_IsString(mac_item) || !mac_item->valuestring || strlen(mac_item->valuestring) == 0)
{
cJSON_Delete(body);
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Missing 'mac'");
return ESP_FAIL;
}
bool was_new = false;
device_t *dev = register_device(mac_item->valuestring, &was_new);
if (!dev)
{
cJSON_Delete(body);
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Device limit reached");
return ESP_FAIL;
}
cJSON *resp = cJSON_CreateObject();
if (was_new)
{
cJSON_AddStringToObject(resp, "status", "ok");
ESP_LOGI(kTagDeviceRegister, "Registered new device: %s", dev->mac);
}
else
{
cJSON_AddStringToObject(resp, "status", "already_registered");
}
cJSON_AddStringToObject(resp, "mac", dev->mac);
cJSON_Delete(body);
const char *json = cJSON_PrintUnformatted(resp);
httpd_resp_sendstr(req, json);
free((void *)json);
cJSON_Delete(resp);
return ESP_OK;
}
internal const httpd_uri_t api_devices_register_uri = {
.uri = "/api/devices/register",
.method = HTTP_POST,
.handler = api_devices_register_handler,
.user_ctx = NULL};