refactoring and minor changes

data_acces.h

@@ -10,6 +10,8 @@ public:
   data_acces();
   virtual std::string get_passwd(std::string username) = 0;
   virtual std::list<std::string> get_pinfo()=0;
+  virtual void write_install(std::string package, std::string user)=0;
+  virtual void write_remove(std::string)=0;
 };
 
 #endif // DATA_ACCES_H

msql_acces.cpp

@@ -37,3 +37,18 @@ std::list<std::string> msql_acces::get_pinfo(){
   delete res;
   return ret;
 }
+
+void msql_acces::write_install(std::string package, std::string user){
+  sql::PreparedStatement *pstmt =
+      con->prepareStatement("insert into packages(name,user) values(?,(select id from users where username=?))");
+  pstmt->setString(1,package);
+  pstmt->setString(2,user);
+  pstmt->executeUpdate();
+}
+
+void msql_acces::write_remove(std::string package){
+  sql::PreparedStatement *pstmt =
+      con->prepareStatement("delete from packages where name=?");
+  pstmt->setString(1,package);
+  pstmt->executeUpdate();
+}

msql_acces.h

@@ -14,6 +14,8 @@ public:
   msql_acces();
   std::string get_passwd(std::string username);
   std::list<std::string> get_pinfo();
+  void write_install(std::string package, std::string user);
+  void write_remove(std::string);
 private:
   sql::Connection *con;
   sql::Driver *driver;

session_manager.cpp

@@ -20,6 +20,7 @@ bool session_manager::validate_pass(){
   std::string pass=buffer;
   if(this->data->get_passwd(user)==pass){
       this->write_data("pass");
+      this->user=user;
       return true;
     }else{
       this->write_data("fail");
@@ -35,6 +36,8 @@ void session_manager::start_dialog(){
           this->execute();
         }else if(strcmp(buffer, "info")==0){
           this->send_information();
+        }else if(strcmp(buffer, "remv")==0){
+          this->remove();
         }else if(strcmp(buffer,"exit")){
           break;
         }
@@ -44,14 +47,47 @@ void session_manager::start_dialog(){
 int session_manager::execute(){
   char* n_package = new char[256];
   this->read_data(n_package, 256);
-  config_package conf = config_package(n_package);
+  char* use_conf=new char[256];
+  this->read_data(use_conf,2);
+  if(strcmp(use_conf,"y")==0){
+     config_package conf = config_package(n_package);
+     this->read_data(use_conf,256);
+     conf.change_uses(use_conf);
+    }else if(strcmp(use_conf,"n")!=0){
+      perror("fail in protocol comunication");
+      return -1;
+    }
+  delete [] (use_conf);
+  std::string result = this->appli_command("--ask", n_package);
+  if(result=="err"){
+      return -1;
+    }else{
+      this->data->write_install(n_package, user);
+      return 1;
+    }
+}
+
+int session_manager::remove(){
+  char* n_package = new char[256];
+  this->read_data(n_package, 256);
+  std::string result = this->appli_command("--unmerge",n_package);
+  if(result=="err"){
+      return -1;
+    }else{
+      this->data->write_remove(n_package);
+      return 1;
+    }
+}
+
+std::string session_manager::appli_command(char comand[], char* n_package){
   this->args=new char*[4];
     this->args[0]="emerge";
-    this->args[1]="--ask";
+    this->args[1]=comand;
     this->args[2]=n_package;
     this->args[3]=nullptr;
   int pid = fork();
   int status=-2;
+  std::string ret;
   if(pid==0){
       if(execvp(this->args[0],this->args)==-1){
           std::cout << "error inesperado" << std::endl;
@@ -61,12 +97,15 @@ int session_manager::execute(){
     waitpid(pid, &status, WCONTINUED);
     if(status>0){
         this->write_data("ok");
+        ret = n_package;
+        delete[] (n_package);
       }else{
         this->write_data("bad");
+        delete[] (n_package);
+        ret = "err";
       }
   }
-  delete[] (n_package);
+  return ret;
-  return status;
 }
 
 void session_manager::send_information(){

session_manager.h

@@ -8,14 +8,17 @@ public:
   session_manager(int fd);
   void start_dialog();
   int execute();
+  int remove();
   void send_information();
   bool validate_pass();
  private:
+  std::string appli_command(char comand[], char* n_package);
   virtual int read_data(char* input, int size);
   virtual int write_data(std::string output);
   int fd;
   data_acces* data;
   char** args;
+  std::string user;
 };
 
 #endif // LAUNCHER_H