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v0.4.6 - Implement NIP-50 search functionality with LIKE-based content and tag searching

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2025-10-03 05:43:49 -04:00
parent eac4c227c9
commit 88b4aaa301
7 changed files with 576 additions and 3 deletions
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28
src/main.c
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@@ -1012,6 +1012,34 @@ int handle_req_message(const char* sub_id, cJSON* filters, struct lws *wsi, stru
}
}
// Handle search filter (NIP-50)
cJSON* search = cJSON_GetObjectItem(filter, "search");
if (search && cJSON_IsString(search)) {
const char* search_term = cJSON_GetStringValue(search);
if (search_term && strlen(search_term) > 0) {
// Search in both content and tag values using LIKE
// Escape single quotes in search term for SQL safety
char escaped_search[256];
size_t escaped_len = 0;
for (size_t i = 0; search_term[i] && escaped_len < sizeof(escaped_search) - 1; i++) {
if (search_term[i] == '\'') {
escaped_search[escaped_len++] = '\'';
escaped_search[escaped_len++] = '\'';
} else {
escaped_search[escaped_len++] = search_term[i];
}
}
escaped_search[escaped_len] = '\0';
// Add search conditions for content and tags
// Use tags LIKE to search within the JSON string representation of tags
snprintf(sql_ptr, remaining, " AND (content LIKE '%%%s%%' OR tags LIKE '%%\"%s\"%%')",
escaped_search, escaped_search);
sql_ptr += strlen(sql_ptr);
remaining = sizeof(sql) - strlen(sql);
}
}
// Handle since filter
cJSON* since = cJSON_GetObjectItem(filter, "since");
if (since && cJSON_IsNumber(since)) {