diff options
| -rw-r--r-- | api.c | 44 | ||||
| -rw-r--r-- | api.h | 32 |
2 files changed, 66 insertions, 10 deletions
@@ -229,7 +229,8 @@ void json_print_news(Json* jobj) { for (int i = 0; i < results && i < 3; i++) { article = json_object_array_get_idx(article_list, (size_t) i); author_string = strip_char( - json_object_to_json_string(json_object_object_get(article, "author")), '\\'); //Strip all attributes of backslashes + json_object_to_json_string(json_object_object_get(article, "author")), + '\\'); //Strip all attributes of backslashes title_string = strip_char( json_object_to_json_string(json_object_object_get(article, "title")), '\\'); source_string = strip_char(json_object_to_json_string( @@ -259,6 +260,8 @@ void json_print_news(Json* jobj) { void api_print_info(const char* ticker_name_string) { Info* ticker_info = coinmarketcap_get_info(ticker_name_string); + if (ticker_info == NULL) + ticker_info = iex_get_info(ticker_name_string); if (ticker_info == NULL) { printf("Invalid symbol!\n"); return; @@ -284,6 +287,45 @@ void api_print_info(const char* ticker_name_string) { api_info_destroy(&ticker_info); } +Info* iex_get_info(const char* ticker_name_string) { + char iex_api_string[128]; + sprintf(iex_api_string, "https://api.iextrading.com/1.0/stock/%s/quote", ticker_name_string); + String* pString = api_curl_data(iex_api_string, NULL); // API CALL 1 -- name, symbol, price, mcap, volume + if (strcmp(pString->data, "Unknown symbol") == 0) { //Invalid symbol + api_string_destroy(&pString); + return NULL; + } + Info* ticker_info = api_info_init(); + Json* jobj = json_tokener_parse(pString->data); + strcpy(ticker_info->name, json_object_get_string(json_object_object_get(jobj, "companyName"))); + strcpy(ticker_info->symbol, json_object_get_string(json_object_object_get(jobj, "symbol"))); + ticker_info->price = json_object_get_double(json_object_object_get(jobj, "latestPrice")); + ticker_info->marketcap = json_object_get_int64(json_object_object_get(jobj, "marketCap")); + ticker_info->volume_1d = json_object_get_int64(json_object_object_get(jobj, "latestVolume")); + json_object_put(jobj); + api_string_destroy(&pString); + sprintf(iex_api_string, "https://api.iextrading.com/1.0/stock/%s/stats/dividendYield", ticker_name_string); + pString = api_curl_data(iex_api_string, NULL); // API CALL 2 -- dividend + if (strcmp("0", pString->data) != 0) + ticker_info->div_yield = strtod(pString->data, NULL); + api_string_destroy(&pString); + sprintf(iex_api_string, "https://api.iextrading.com/1.0/stock/%s/chart", ticker_name_string); + pString = api_curl_data(iex_api_string, NULL); // API CALL 3 -- historical + jobj = json_tokener_parse(pString->data); + Json* d_30 = json_object_array_get_idx(jobj, 0); + Json* d_7 = json_object_array_get_idx(jobj, json_object_array_length(jobj) - 6); + Json* d_1 = json_object_array_get_idx(jobj, json_object_array_length(jobj) - 2); + ticker_info->change_30d = 100 / ticker_info->price * + (ticker_info->price - json_object_get_double(json_object_object_get(d_30, "close"))); + ticker_info->change_7d = 100 / ticker_info->price * + (ticker_info->price - json_object_get_double(json_object_object_get(d_7, "close"))); + ticker_info->change_1d = 100 / ticker_info->price * + (ticker_info->price - json_object_get_double(json_object_object_get(d_1, "close"))); + json_object_put(jobj); + api_string_destroy(&pString); + return ticker_info; +} + Info* coinmarketcap_get_info(const char* ticker_name_string) { char coinmarketcap_api_string[64]; sprintf(coinmarketcap_api_string, "https://api.coinmarketcap.com/v1/ticker/%s", ticker_name_string); @@ -26,13 +26,13 @@ struct string { typedef struct string String; struct info { - char* name; - char* symbol; - double price; - double change_1d, change_7d, change_30d; - double div_yield; - long marketcap; - long volume_1d; + char* name; // Name of security (ex. Apple Inc.) + char* symbol; // Symbol of security (ex. AAPL) + double price; // Current price of security in USD (ex. 174.54) + double change_1d, change_7d, change_30d; // Percent change in the past x days (ex. -7.49) + double div_yield; // Percent dividend yield (ex. 1.46) + long marketcap; // Market cap in USD (ex. 890489000000) + long volume_1d; // Volume in shares of security (ex. 33812360) }; typedef struct info Info; @@ -116,11 +116,25 @@ void news_print_top_three(const char* ticker_name_string); */ void json_print_news(Json* jobj); +/** + * Prints info about the given symbol + * @param ticker_name_string the symbol + */ void api_print_info(const char* ticker_name_string); /** - * Prints info related to the given cryptocurrency - * @param ticker_name_string the cryptocurrency's name + * Returns a pointer to an Info object containing info pertaining + * to the given symbol + * @param ticker_name_string stock/etf symbol + * @return Info object + */ +Info* iex_get_info(const char* ticker_name_string); + +/** + * Returns a pointer to an Info object containing info pertaining + * to the given crypto + * @param ticker_name_string the crypto's name + * @return Info object */ Info* coinmarketcap_get_info(const char* ticker_name_string); |