createTicket working, solves #3

README.md

@@ -17,4 +17,4 @@ Both clients can:
 
 ### Dependencies:
 
-+ `libpqxx` for the API to the PostgreSQL database management system (official link: https://github.com/jtv/libpqxx)
++ `libcurl` for accessing the webserver

cli/Makefile

@@ -0,0 +1,10 @@
+CC := g++
+SRC := dao.cpp handler.cpp main.cpp parser.cpp printer.cpp json_serializer.cpp
+FLAGS := -lcurl -g -Wall -Wextra
+OUTDIR := ./build
+OUT := tickets
+
+build:
+	mkdir -p $(OUTDIR)
+	$(CC) -o $(OUTDIR)/$(OUT) $(SRC) $(FLAGS)
+	

cli/dao.cpp

@@ -1,19 +1,70 @@
-#include <cstdlib>
-#include <vector>
-
 #include "include/dao.h"
 
 using namespace std;
 
-void Dao::populate_env() {
+Dao::Dao() {
     this->api_key = getenv("FRONTEND_API_KEY");
-    this->db_url = getenv("DB_URL");
+    if (this->api_key.empty()) {
+        cout << "FRONTEND_API_KEY environment variable is not set" << endl;
+        exit(1);
+    }
+    this->base_url = getenv("BASE_API_URL");
+    if (this->base_url.empty()) {
+        cout << "BASE_API_URL environment variable is not set" << endl;
+        exit(1);
+    }
 }
 
-ticket_t Dao::fetch_ticket_create(string title, string description) {
-    
+static size_t write_callback(void* contents, size_t size, size_t nmemb, void* userp) {    
+    size_t total = size * nmemb;    
+    std::string* s = static_cast<std::string*>(userp);    
+    s->append(static_cast<char*>(contents), total);    
+    return total;
 }
 
+ticket_t Dao::fetch_ticket_create(std::string title, std::string description) {
+    string response;
+    string url = this->base_url + "/tickets";
+
+    CURL *handle = curl_easy_init();
+
+    struct curl_slist* headers = nullptr;    
+    headers = curl_slist_append(headers, "Content-Type: application/json");    
+    headers = curl_slist_append(headers, ("Authorization: Bearer " + this->api_key).c_str());
+
+    string body = nlohmann::json{
+        {"title", title},
+        {"description", description}
+    }.dump();
+
+    curl_easy_setopt(handle, CURLOPT_URL, url.c_str());    
+    curl_easy_setopt(handle, CURLOPT_HTTPHEADER, headers);
+
+    curl_easy_setopt(handle, CURLOPT_POST, 1L);    
+    curl_easy_setopt(handle, CURLOPT_POSTFIELDS, body.c_str());    
+    curl_easy_setopt(handle, CURLOPT_POSTFIELDSIZE, static_cast<long>(body.size()));
+
+    curl_easy_setopt(handle, CURLOPT_FOLLOWLOCATION, 1L);    
+    curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, write_callback);
+    curl_easy_setopt(handle, CURLOPT_WRITEDATA, &response);
+
+    CURLcode rc = curl_easy_perform(handle);    
+
+    curl_slist_free_all(headers);
+    curl_easy_cleanup(handle);   
+
+    if (rc != CURLE_OK) {        
+        throw std::runtime_error(std::string("curl_easy_perform failed: ") + curl_easy_strerror(rc));   
+    }
+
+    nlohmann::json j = nlohmann::json::parse(response);
+
+    ticket_t t = j.get<ticket_t>();
+
+    return t;
+}
+
+
 vector<ticket_t> Dao::fetch_ticket_get_all() {
 
 }

cli/include/dao.h

@@ -3,20 +3,22 @@
 
 #include <string>
 #include <vector>
+#include <curl/curl.h>
+#include <curl/easy.h>
+#include <iostream>
 
 #include "ticket.h"
-
-using namespace std;
+#include "json_serializer.h"
 
 class Dao {
 public:
-    string api_key;
-    string db_url;
-    void populate_env();
+    std::string api_key;
+    std::string base_url;
 
-    ticket_t fetch_ticket_create(string title, string description);
-    vector<ticket_t> fetch_ticket_get_all();
-    vector<ticket_t> fetch_ticket_get_by_status(string status);
+    Dao();
+    ticket_t fetch_ticket_create(std::string title, std::string description);
+    std::vector<ticket_t> fetch_ticket_get_all();
+    std::vector<ticket_t> fetch_ticket_get_by_status(std::string status);
     ticket_t fetch_ticket_get_by_id(unsigned long id);
 };
 

cli/include/handler.h

@@ -5,11 +5,9 @@
 
 #include "dao.h"
 
-using namespace std;
-
-int handle_create(Dao *dao, string title, string description);
+int handle_create(Dao *dao, std::string title, std::string description);
 int handle_list(Dao *dao);
-int handle_list(Dao *dao, string status);
+int handle_list(Dao *dao, std::string status);
 int handle_detail(Dao *dao, unsigned long id);
 
 #endif // HANDLER_H

cli/include/json_serializer.h

@@ -0,0 +1,13 @@
+#include <string>
+#include <optional>
+#include <nlohmann/json.hpp>
+
+#include "ticket.h"
+
+using json = nlohmann::json;
+
+// Deserialize JSON -> class
+void from_json(const json& j, ticket_t& t);
+
+// Serialize class
+void to_json(json& j, const ticket_t& t);

cli/include/printer.h

@@ -5,8 +5,6 @@
 
 #include "ticket.h"
 
-using namespace std;
-
-void print_tickets(vector<ticket_t> tickets);
+void print_tickets(std::vector<ticket_t> tickets);
 
 #endif // PRINTER_H

cli/include/ticket.h

@@ -2,17 +2,14 @@
 #define TICKET_H
 
 #include <string>
-#include <ctime>
-
-using namespace std;
 
 typedef struct {
     unsigned long id;
-    string title;
-    string description;
-    string status;
-    string created_at;
-    string updated_at;
+    std::string title;
+    std::string description;
+    std::string status;
+    std::string created_at;
+    std::string updated_at;
 } ticket_t;
 
 #endif // TICKET_H

cli/json_serializer.cpp

@@ -0,0 +1,23 @@
+#include "include/json_serializer.h"
+
+// Deserialize JSON -> class
+void from_json(const json& j, ticket_t& t) {
+    t.id = j.at("id").get<int>();
+    t.title = j.at("title").get<std::string>();
+    t.description = j.at("description").get<std::string>();
+    t.status = j.at("status").get<std::string>();
+    t.created_at = j.at("created_at").get<std::string>();
+    t.updated_at = j.at("updated_at").get<std::string>();
+}
+
+// Serialize class -> JSON
+void to_json(json& j, const ticket_t& t) {
+    j = json{
+        {"id", t.id},
+        {"title", t.title},
+        {"description", t.description},
+        {"status", t.status},
+        {"created_at", t.created_at},
+        {"updated_at", t.updated_at}
+    };
+}

cli/main.cpp

@@ -3,7 +3,6 @@
 
 int main(int argc, char *argv[], char *envp[]) {
     Dao *dao = new Dao();
-    dao->populate_env();
     int retval = parse_args(dao, argc, argv);
     delete dao;
 }

cli/printer.cpp

@@ -2,6 +2,8 @@
 
 #include "include/printer.h"
 
+using namespace std;
+
 void print_tickets(vector<ticket_t> tickets) {
     for (ticket_t t : tickets) {
         cout << "/------+-------\n"

webserver/handlers.go

@@ -171,9 +171,9 @@ func createTicket(w http.ResponseWriter, r *http.Request) {
 
 	err = db.QueryRow(
 		context.Background(),
-		"INSERT INTO tickets(title, description) VALUES($1, $2) RETURNING id;",
+		"INSERT INTO tickets(title, description) VALUES($1, $2) RETURNING id, status, created_at, updated_at;",
 		t.Title, t.Description,
-	).Scan(&t.Id)
+	).Scan(&t.Id, &t.Status, &t.CreatedAt, &t.UpdatedAt)
 
 	if err != nil {
 		http.Error(w, err.Error(), 500)