diff options
Diffstat (limited to 'api.c')
| -rw-r--r-- | api.c | 100 |
1 files changed, 47 insertions, 53 deletions
@@ -249,63 +249,57 @@ double* morningstar_get_hist_5y(const char* symbol) { return api_data; } -void news_print_top_three(const char* ticker_name_string) { - char* url_encoded_string = calloc(128, sizeof(char)); - pointer_alloc_check(url_encoded_string); - for (int i = 0, j = 0; i < 128; i++, j++) { //Replace underscores and spaces with url encoded '%20's - if (ticker_name_string[i] == '_' || ticker_name_string[i] == ' ') { - memcpy(&url_encoded_string[i], "%20", 3); - i += 2; - } else url_encoded_string[i] = ticker_name_string[j]; +void iex_print_news(const char* symbol, int num_articles) { + if (num_articles > 50) + RET_MSG("You cannot request more than 50 articles."); + + char iex_api_string[URL_MAX_LENGTH]; + sprintf(iex_api_string, "https://api.iextrading.com/1.0/stock/%s/news/last/%d", symbol, num_articles); + String* pString = api_curl_data(iex_api_string, NULL); + if (pString == NULL) + return; + + if (strcmp(pString->data, "Unknown symbol") == 0) { // Invalid symbol + string_destroy(&pString); + RET_MSG("Invalid symbol."); } - char yearchar[16], news_api_string[256]; - time_t now = time(NULL); - struct tm* ts = localtime(&now); - ts->tm_mday -= 14; // Lowerbound date is 14 days earlier - mktime(ts); - strftime(yearchar, 16, "%Y-%m-%d", ts); - sprintf(news_api_string, "https://newsapi.org/v2/everything?sortBy=popularity&pageSize=3&language=en" - "&apiKey=1163c352d041460381f0a8273e60a9d1&from=%s&q=%s", yearchar, url_encoded_string); - free(url_encoded_string); - String* pString = api_curl_data(news_api_string, NULL); + Json* jobj = json_tokener_parse(pString->data); - if (strtol(json_object_to_json_string(json_object_object_get(jobj, "totalResults")), NULL, 10) > 0) - json_print_news(jobj); - else puts("No articles. Try a different input."); - json_object_put(jobj); - string_destroy(&pString); -} + size_t len = json_object_array_length(jobj); + if (len == 0) { + json_object_put(jobj); + string_destroy(&pString); + RET_MSG("No articles available."); + } -void json_print_news(const Json* jobj) { - Json* article_list = json_object_object_get(jobj, "articles"), * article; - char author_string[512], title_string[512], source_string[512], url_string[512], date_string[512], * shortened_url; - int results = (int) strtol(json_object_to_json_string(json_object_object_get(jobj, "totalResults")), NULL, 10); - if (results > 3) - results = 3; - for (int i = 0; i < results; i++) { - article = json_object_array_get_idx(article_list, (size_t) i); - strcpy(author_string, json_object_to_json_string(json_object_object_get(article, "author"))); - strip_char(author_string, '\\'); // Strip all attributes of escape characters - strcpy(title_string, json_object_to_json_string(json_object_object_get(article, "title"))); - strip_char(title_string, '\\'); - strcpy(source_string, - json_object_to_json_string(json_object_object_get(json_object_object_get(article, "source"), "name"))); - strip_char(source_string, '\\'); - strcpy(date_string, json_object_to_json_string(json_object_object_get(article, "publishedAt"))); - date_string[11] = '\"'; // End string after day of month - date_string[12] = '\0'; - strcpy(url_string, json_object_to_json_string(json_object_object_get(article, "url"))); - strip_char(url_string, '\\'); - strip_char(url_string, '\"'); - shortened_url = google_shorten_link(url_string); // Shorten link with google API - printf("Title: %s Source: %s ", title_string, source_string); - if (strcmp(author_string, "null") != 0) // Some articles don't list authors or dates - printf("Author: %s ", author_string); - if (strcmp(date_string, "null") != 0) - printf("Date: %s ", date_string); - printf("Url: \"%s\"\n", shortened_url); - free(shortened_url); + Json* idx; + const char* headline, * source, *url; + char date[DATE_MAX_LENGTH]; + for (size_t i = 0; i < len; i++) { + idx = json_object_array_get_idx(jobj, i); + headline = json_object_get_string(json_object_object_get(idx, "headline")); // Headline + source = json_object_get_string(json_object_object_get(idx, "source")); // Source + strncpy(date, json_object_get_string(json_object_object_get(idx, "datetime")), 10); // Date + date[10] = '\0'; // null terminate date before time + char summary[strlen(json_object_get_string(json_object_object_get(idx, "summary")))]; // Summary + strcpy(summary, json_object_get_string(json_object_object_get(idx, "summary"))); + strip_tags(summary); // Summary will be html formatted, so must strip tags + url = json_object_get_string(json_object_object_get(idx, "url")); // URL + char related[strlen(json_object_get_string(json_object_object_get(idx, "related")))]; // Related + strcpy(related, json_object_get_string(json_object_object_get(idx, "related"))); + int related_num = 0; + for (size_t j = 0; j < strlen(related); j++) { // List only first five related symbols + if (related[j] == ',') + related_num++; + if (related_num == 5) { + related[j] = '\0'; + break; + } + } + printf("%s | %s | %s\n%s\n%s | Related: %s\n\n", headline, source, date, summary, url, related); } + json_object_put(jobj); + string_destroy(&pString); } void api_print_info(const char* ticker_name_string) { |