Finalizing and tested

lib/cppurl.hpp

@@ -3,6 +3,7 @@
 
 #include <curl/curl.h>
 #include <string>
+#include <map>
 
 namespace marcelb {
 
@@ -14,13 +15,43 @@ class Curl {
     CURL *curl;
     CURLcode res;
     string readBuffer;
-
-    
+    struct curl_slist *headers = NULL;
+    string _useragent;
 
     public:
-    // Curl();
-    string request(const string& req);
 
+    /**
+     * Postavi zaglavlje s ključem i vrijednošću
+     * Novi pozivi ne brišu stara zaglavlja, ponovljena se prepišu
+    */
+    Curl& header(const string& key, const string& value);
+
+    /**
+     * Postavi zaglavlja iz mape
+     * Ponovan poziv prepisat će ona zaglavlja koja postoje
+    */
+    Curl& header(const map<string, string> &_headers);
+
+    /**
+     * Postavi u zaglavlje User-Agent
+    */
+    Curl& useragent(const string& useragent_);
+
+    /**
+     * Izvršiv HTTP GET zahtjev
+     * Vraća string HTTP tjela
+    */
+    string get(const string& req);
+
+    /**
+     * Obriši spremljeno zaglavlje
+    */
+    Curl& clearheader();
+
+    /**
+     * Obrši trenutnog User-Agent -a
+    */
+    Curl& clearuseragent();
 
 };
 

src/cppurl.cpp

@@ -3,17 +3,42 @@
 
 using namespace marcelb;
 
-// marcelb::Curl::Curl() {
-// }
+static size_t marcelb::WriteCallback(void *contents, size_t size, size_t nmemb, void *userp) {
+    ((std::string*)userp)->append((char*)contents, size * nmemb);
+    return size * nmemb;
+}
 
+Curl& marcelb::Curl::header(const string& key, const string& value) {
+    headers = curl_slist_append(headers, string(key + ": " + value).c_str());
+    return *this;
+}
+
+Curl& marcelb::Curl::header(const map<string, string> &_headers) {
+    for (auto h : _headers) {
+        header(h.first, h.second);
+    }
 
-string marcelb::Curl::request(const string& req){
+    return *this;
+}
+
+Curl& marcelb::Curl::useragent(const string& useragent_) {
+    _useragent = useragent_;
+    return *this;
+}
+
+string marcelb::Curl::get(const string& req){
     curl = curl_easy_init();
 
     readBuffer.clear();
     
     if(curl) {
         curl_easy_setopt(curl, CURLOPT_URL, req.c_str());
+        if (headers != NULL) {
+            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
+        }
+        if (!_useragent.empty()) {
+            curl_easy_setopt(curl, CURLOPT_USERAGENT, _useragent.c_str());
+        }
         curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
         res = curl_easy_perform(curl);
@@ -23,8 +48,12 @@ string marcelb::Curl::request(const string& req){
     return readBuffer;
 }
 
+Curl& marcelb::Curl::clearheader() {
+    headers = NULL;
+    return *this;
+}
 
-static size_t marcelb::WriteCallback(void *contents, size_t size, size_t nmemb, void *userp) {
-    ((std::string*)userp)->append((char*)contents, size * nmemb);
-    return size * nmemb;
+Curl& marcelb::Curl::clearuseragent() {
+    _useragent.clear();
+    return *this;
 }

test/test.cpp

@@ -9,9 +9,9 @@ int main () {
 
     Curl rest;
 
-    cout << rest.request("https://reqres.in/api/unknown/2") << endl;
-
-    cout << rest.request("https://reqres.in/api/users/2") << endl;
+    rest.header("Baba", "Janja").useragent("Dinio api client v1.1.0 - bitelex@bitelex.co");
+    cout << rest.get("http://localhost:5000/?param1=tvt&param2=2023") << endl;
+    // cout << rest.request("https://reqres.in/api/users/2") << endl;
 
 
 }