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Phase 6: SoftAP MTG-Companion web server, /api/last_uid + /api/bind UID pairing, embedded pairing SPA

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Rasmus
2026-09-09 18:14:50 +02:00
parent 58b15869e2
commit 8a95e1735a
6 changed files with 406 additions and 1 deletions
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59
main/storage_manager.c
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@@ -9,6 +9,7 @@
#include <sys/unistd.h>
#include "esp_log.h"
#include "esp_littlefs.h"
#include "cJSON.h"
#include "storage_manager.h"
static const char *TAG = "storage";
@@ -109,6 +110,64 @@ esp_err_t storage_write_text(const char *path, const char *text)
return ESP_OK;
}
esp_err_t storage_manager_bind_uid(const char *uid, const char *card_name)
{
cJSON *root = NULL;
char *existing = NULL;
size_t existing_len = 0;
if (storage_read_text(STORAGE_MAPPINGS, &existing, &existing_len) == ESP_OK && existing != NULL) {
root = cJSON_Parse(existing);
}
free(existing);
if (root == NULL || !cJSON_IsObject(root)) {
if (root) cJSON_Delete(root);
root = cJSON_CreateObject();
}
if (root == NULL) {
return ESP_ERR_NO_MEM;
}
cJSON_DeleteItemFromObject(root, uid);
cJSON_AddItemToObject(root, uid, cJSON_CreateString(card_name));
char *out = cJSON_Print(root);
esp_err_t ret = out ? storage_write_text(STORAGE_MAPPINGS, out) : ESP_ERR_NO_MEM;
free(out);
cJSON_Delete(root);
return ret;
}
esp_err_t storage_manager_lookup_name(const char *uid, char **out)
{
*out = NULL;
char *buf = NULL;
size_t len = 0;
if (storage_read_text(STORAGE_MAPPINGS, &buf, &len) != ESP_OK || buf == NULL) {
free(buf);
return ESP_ERR_NOT_FOUND;
}
cJSON *root = cJSON_Parse(buf);
free(buf);
if (root == NULL || !cJSON_IsObject(root)) {
if (root) cJSON_Delete(root);
return ESP_ERR_NOT_FOUND;
}
cJSON *item = cJSON_GetObjectItem(root, uid);
esp_err_t ret = (item && cJSON_IsString(item) && item->valuestring) ? ESP_OK : ESP_ERR_NOT_FOUND;
if (ret == ESP_OK) {
*out = strdup(item->valuestring);
if (*out == NULL) {
ret = ESP_ERR_NO_MEM;
}
}
cJSON_Delete(root);
return ret;
}
static esp_err_t seed_defaults(void)
{
/* Create /spiffs/cards directory */