Added support for news

1 files changed, 112 insertions, 13 deletions

diff --git a/api.c b/api.c
index 7c6afbd8a559..ab98ef1285c1 100644
--- a/api.c
+++ b/api.c
@@ -31,7 +31,7 @@ size_t api_string_writefunc(void* ptr, size_t size, size_t nmemb, String* hStrin
     return size * nmemb;
 }
 
-String* api_curl_data(char* url) {
+String* api_curl_data(char* url, char* post_field) {
     String* pString = api_string_init();
     CURL* curl = curl_easy_init();
     CURLcode res;
@@ -41,7 +41,16 @@ String* api_curl_data(char* url) {
         curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
         curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, api_string_writefunc);
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, &pString->data);
+        struct curl_slist* list = NULL;
+        if (url[12] == 'g') {
+            list = curl_slist_append(list, "Content-Type: application/json");
+            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, list);
+            curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post_field);
+            curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, strlen(post_field));
+        }
         res = curl_easy_perform(curl);
+        if (url[12] == 'g')
+            curl_slist_free_all(list);
         curl_easy_cleanup(curl);
         if (res != CURLE_OK)
             return NULL;
@@ -62,7 +71,7 @@ double api_get_current_price(char* ticker_name_string) {
     return -1;
 }
 
-double api_get_1d_price(char* ticker_name_string){
+double api_get_1d_price(char* ticker_name_string) {
     double val = iex_get_1d_price(ticker_name_string);
     if (val != -1)
         return val;
@@ -82,7 +91,7 @@ double iex_get_current_price(char* ticker_name_string) {
     memcpy(&iex_api_string[37], ticker_name_string, ticker_name_len);
     memcpy(&iex_api_string[37 + ticker_name_len], "/quote/latestPrice", 18);
 
-    String* pString = api_curl_data(iex_api_string);
+    String* pString = api_curl_data(iex_api_string, NULL);
     free(iex_api_string);
     if (strcmp(pString->data, "Unknown symbol") == 0) {
         api_string_destroy(&pString);
@@ -99,7 +108,7 @@ double alphavantage_get_current_price(char* ticker_name_string) {
     memcpy(alphavantage_api_string, av_str, 160);
     size_t av_len = strlen(alphavantage_api_string);
     memcpy(&alphavantage_api_string[av_len], ticker_name_string, 10);
-    String* pString = api_curl_data(alphavantage_api_string);
+    String* pString = api_curl_data(alphavantage_api_string, NULL);
     if (pString->data[0] == '{') {
         api_string_destroy(&pString);
         memset(alphavantage_api_string, '\0', 160);
@@ -107,7 +116,7 @@ double alphavantage_get_current_price(char* ticker_name_string) {
         memcpy(alphavantage_api_string, av_str, 160);
         av_len = strlen(alphavantage_api_string);
         memcpy(&alphavantage_api_string[av_len], ticker_name_string, 10);
-        pString = api_curl_data(alphavantage_api_string);
+        pString = api_curl_data(alphavantage_api_string, NULL);
     }
     if (pString->data[0] == '{') {
         free(alphavantage_api_string);
@@ -133,7 +142,7 @@ double coinmarketcap_get_current_price(char* ticker_name_string) {
     char* coinmarketcap_api_string = calloc(64, sizeof(char));
     memcpy(coinmarketcap_api_string, cmc_str, 40);
     memcpy(&coinmarketcap_api_string[40], ticker_name_string, 20);
-    String* pString = api_curl_data(coinmarketcap_api_string);
+    String* pString = api_curl_data(coinmarketcap_api_string, NULL);
     if (pString->data[0] == '{') {
         free(coinmarketcap_api_string);
         api_string_destroy(&pString);
@@ -160,7 +169,7 @@ double iex_get_1d_price(char* ticker_name_string) {
     memcpy(&iex_api_string[37], ticker_name_string, ticker_name_len);
     memcpy(&iex_api_string[37 + ticker_name_len], "/previous?format=csv", 21);
 
-    String* pString = api_curl_data(iex_api_string);
+    String* pString = api_curl_data(iex_api_string, NULL);
     free(iex_api_string);
 
     if (strcmp(pString->data, "Unknown symbol") == 0) {
@@ -180,13 +189,15 @@ double iex_get_1d_price(char* ticker_name_string) {
     return ret;
 }
 
-double alphavantage_get_1d_price(char* ticker_name_string){
+double alphavantage_get_1d_price(char* ticker_name_string) {
     size_t ticker_name_len = strlen(ticker_name_string);
     char* alphavantage_api_string = calloc(128, sizeof(char));
-    memcpy(alphavantage_api_string, "https://www.alphavantage.co/query?function=TIME_SERIES_DAILY&apikey=DFUMLJ1ILOM2G7IH&datatype=csv&symbol=", 128);
+    memcpy(alphavantage_api_string,
+           "https://www.alphavantage.co/query?function=TIME_SERIES_DAILY&apikey=DFUMLJ1ILOM2G7IH&datatype=csv&symbol=",
+           128);
     size_t prefix = strlen(alphavantage_api_string);
     memcpy(&alphavantage_api_string[prefix], ticker_name_string, ticker_name_len);
-    String* pString = api_curl_data(alphavantage_api_string);
+    String* pString = api_curl_data(alphavantage_api_string, NULL);
     if (pString->data[0] == '{') {
         free(alphavantage_api_string);
         api_string_destroy(&pString);
@@ -206,12 +217,12 @@ double alphavantage_get_1d_price(char* ticker_name_string){
     return ret;
 }
 
-double coinmarketcap_get_1d_price(char* ticker_name_string){
+double coinmarketcap_get_1d_price(char* ticker_name_string) {
     char* cmc_str = "https://api.coinmarketcap.com/v1/ticker/";
     char* coinmarketcap_api_string = calloc(64, sizeof(char));
     memcpy(coinmarketcap_api_string, cmc_str, 40);
     memcpy(&coinmarketcap_api_string[40], ticker_name_string, 20);
-    String* pString = api_curl_data(coinmarketcap_api_string);
+    String* pString = api_curl_data(coinmarketcap_api_string, NULL);
     if (pString->data[0] == '{') {
         free(coinmarketcap_api_string);
         api_string_destroy(&pString);
@@ -237,7 +248,95 @@ double coinmarketcap_get_1d_price(char* ticker_name_string){
     free(price_string);
     free(percent_string);
     api_string_destroy(&pString);
-    return current_price - (current_price * (percent_change/100));
+    return current_price - (current_price * (percent_change / 100));
+}
+
+void news_print_top_three(char* ticker_name_string) {
+    char* qchar = calloc(64, 1);
+    sprintf(qchar, "&q=%s", ticker_name_string);
+    time_t now = time(NULL);
+    struct tm* ts;
+    char* yearchar = calloc(64, 1);
+    ts = localtime(&now);
+    ts->tm_mday -= 14;
+    mktime(ts);
+    strftime(yearchar, 64, "%Y-%m-%d", ts);
+    char* news_api_string = calloc(256, sizeof(char));
+    sprintf(news_api_string, "%s%s&from=%s",
+            "https://newsapi.org/v2/everything?sortBy=popularity&pageSize=3&language=en&apiKey=1163c352d041460381f0a8273e60a9d1",
+            qchar, yearchar);
+    free(yearchar);
+    free(qchar);
+    String* pString = api_curl_data(news_api_string, NULL);
+    json_print_news(pString->data);
+    free(news_api_string);
+    api_string_destroy(&pString);
+}
+
+void json_print_news(char* data) {
+    Json* jobj = json_tokener_parse(data);
+    Json* articles = json_object_object_get(jobj, "articles");
+    const char* author_string, * title_string, * source_string, * url_string;
+    char* date_string;
+    Json* article, * source, * author, * title, * source_name, * date, * url;
+    for (int i = 0; i < 3; i++) {
+        article = json_object_array_get_idx(articles, (size_t) i);
+        author = json_object_object_get(article, "author");
+        author_string = json_object_to_json_string(author);
+        title = json_object_object_get(article, "title");
+        title_string = json_object_to_json_string(title);
+        source = json_object_object_get(article, "source");
+        source_name = json_object_object_get(source, "name");
+        source_string = json_object_to_json_string(source_name);
+        date = json_object_object_get(article, "publishedAt");
+        date_string = (char*)json_object_to_json_string(date);
+        date_string[11] = '\"';
+        date_string[12] = '\0';
+        url = json_object_object_get(article, "url");
+        url_string = json_object_to_json_string(url);
+        char* url_final = calloc(strlen(url_string + 1), 1);
+        for (int k = 0, j = 0; j < strlen(url_string); k++, j++) {
+            if (url_string[j] == '\\' || url_string[j] == '\"')
+                j++;
+            url_final[k] = url_string[j];
+        }
+
+        const char* shorten = google_shorten_link(url_final);
+        if (author_string != NULL)
+            printf("Title: %s Source: %s Author: %s Date: %s Url: %s\n", title_string, source_string, author_string,
+                   date_string, shorten);
+        else printf("Title: %s Source: %s Date: %s Url: %s\n", title_string, source_string, date_string, shorten);
+        free(url_final);
+        free((void*) shorten);
+    }
+    json_object_put(jobj);
+}
+
+const char* google_shorten_link(char* url_string) {
+    char* google_api_string = calloc(256, sizeof(char));
+    memcpy(google_api_string,
+           "https://www.googleapis.com/urlshortener/v1/url?key=AIzaSyAoMAvMPpc7U8lfrnGMk2ZKl966tU2pppU",
+           256);
+    char* post_string = calloc(1024, 1);
+    sprintf(post_string, "{\"longUrl\": \"%s\"}", url_string);
+    String* pString = api_curl_data(google_api_string, post_string);
+    free(post_string);
+    free(google_api_string);
+    Json* jobj = json_tokener_parse(pString->data);
+    Json* short_url = json_object_object_get(jobj, "id");
+    const char* short_url_string = json_object_to_json_string(short_url);
+    char* copy = calloc(1024, 1);
+    strcpy(copy, short_url_string);
+    char* final = calloc(strlen(copy) + 1, 1);
+    for (int i = 0, j = 0; j < strlen(copy); i++, j++) {
+        if (copy[j] == '\\' || copy[j] == '\"')
+            j++;
+        final[i] = copy[j];
+    }
+    json_object_put(jobj);
+    free(copy);
+    api_string_destroy(&pString);
+    return final;
 }
 
 void api_string_destroy(String** phString) {