Adaugat biblioteca dotenv

.env

@@ -1,6 +1,6 @@
-export DB_NAME=oop_db
-export DB_USER=oop
-export DB_PASSWORD=ooppa55
-export DB_HOSTADDR=127.0.0.1
-export DB_PORT=5432
-export DB_CONNECT_TIMEOUT=10
+DATABASE_NAME=oop_db
+DATABASE_USER=oop
+DATABASE_PASSWORD=ooppa55
+DATABASE_HOSTADDR=127.0.0.1
+DATABASE_PORT=5432
+DATABASE_CONNECT_TIMEOUT=10

CMakeLists.txt

@@ -45,6 +45,13 @@ FetchContent_Declare(
 
 FetchContent_MakeAvailable(pqxx)
 
+FetchContent_Declare(
+        dotenv
+        GIT_REPOSITORY https://github.com/laserpants/dotenv-cpp
+)
+
+FetchContent_MakeAvailable(dotenv)
+
 ###############################################################################
 
 # external dependencies with find_package
@@ -69,7 +76,7 @@ include(cmake/CompilerFlags.cmake)
 # use SYSTEM so cppcheck and clang-tidy do not report warnings from these directories
 target_include_directories(${MAIN_EXECUTABLE_NAME} SYSTEM PRIVATE generated/include)
 target_include_directories(${MAIN_EXECUTABLE_NAME} PRIVATE database)
-target_link_libraries(${MAIN_EXECUTABLE_NAME} PRIVATE pqxx)
+target_link_libraries(${MAIN_EXECUTABLE_NAME} PRIVATE pqxx dotenv)
 # target_include_directories(${MAIN_EXECUTABLE_NAME} SYSTEM PRIVATE ext/<SomeHppLib>/include)
 # target_include_directories(${MAIN_EXECUTABLE_NAME} SYSTEM PRIVATE ${<SomeLib>_SOURCE_DIR}/include)
 # target_link_directories(${MAIN_EXECUTABLE_NAME} PRIVATE ${<SomeLib>_BINARY_DIR}/lib)

database/Database.cpp

@@ -1,4 +1,6 @@
 #include <iostream>
+#include "dotenv.h"
+
 #include "Database.h"
 
 Database::Database(const bool& withDropTables) {
@@ -95,10 +97,10 @@ void Database::updateUserPassword(std::string name, std::string newPassword) {
 }
 
 void Database::setConnectionString() {
-     connString = "dbname=" + std::string(std::getenv("DB_NAME")) +
-                             " user=" + std::string(std::getenv("DB_USER")) +
-                             " password=" + std::string(std::getenv("DB_PASSWORD")) +
-                             " hostaddr=" + std::string(std::getenv("DB_HOSTADDR")) +
-                             " port=" + std::string(std::getenv("DB_PORT")) +
-                             " connect_timeout=" + std::string(std::getenv("DB_CONNECT_TIMEOUT"));
+     connString = "dbname=" + std::string(dotenv::getenv("DATABASE_NAME", "''")) +
+                             " user=" + std::string(dotenv::getenv("DATABASE_USER", "''")) +
+                             " password=" + std::string(dotenv::getenv("DATABASE_PASSWORD", "''")) +
+                             " hostaddr=" + std::string(dotenv::getenv("DATABASE_HOSTADDR", "127.0.0.1")) +
+                             " port=" + std::string(dotenv::getenv("DATABASE_PORT","5432")) +
+                             " connect_timeout=" + std::string(dotenv::getenv("DATABASE_CONNECT_TIMEOUT", "10"));
 }

main.cpp

@@ -3,8 +3,10 @@
 
 #include <Helper.h>
 #include "Database.h"
+#include "dotenv.h"
 
 int main() {
+    dotenv::init();
     std::cout << "Hello, world!\n";
     std::array<int, 100> v{};
     int nr;