user.cpp

#include "user.h"
#include <string>
#include <fstream>
#include <iostream>
#include <sstream>
#include <cctype>
#include <sys/stat.h>
#include <dirent.h>
#include <ctime>
#include <pthread.h>
using namespace std;

pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;


user::user(string aaa)
{
    name=aaa;
    mkdir(name.c_str(),0700);

}

bool user::sortnumb (string first, string second){
    if (atoi(first.c_str())<atoi(second.c_str())) return true;
    return false;
}

void user::do_del(int nmb)
{

}

void user::send(string to, string message)
{
    message=name + "\n" + message;
    mkdir(to.c_str(),0700);
    ofstream handle;
    time_t now;
    stringstream strm;
    string convert;
    
	pthread_mutex_lock(&lock);
    time(&now);
    sleep(1);
	pthread_mutex_unlock(&lock);
    strm << now;
    convert=strm.str();
    convert=to +"/"+ convert;
    cout << convert<< endl;
    handle.open(convert.c_str(),ios::out);
    handle<<message;
    handle.close();
}

void user::send(list <string> to, string message)
{
	ofstream handle;
    time_t now;
	while(to.begin()!=to.end())
	{
		message=name + "\n" + message;
		mkdir(to.front().c_str(),0700);
		stringstream strm;
		string convert;
		time(&now);
		strm << now;
		convert=strm.str();
		convert=to.front() +"/"+ convert;
		cout << convert<< endl;
		handle.open(convert.c_str(),ios::out);
		handle<<message;
		handle.close();
		to.pop_front();
	}
}


string user::do_list()
{
    string buffer;
    list<string> filenames;
     list<string>::iterator it;
  //  buffer.clear();
    this->getfilenames(&filenames);
    filenames.sort();//user::sortnumb);
    for( it=filenames.begin() ; it != filenames.end(); it++ ){
        buffer.append( *it=getfile(*it));
        buffer.append("\n");
    }
    return buffer;
}

string user::do_read(int msg)
{
	string h;
    int i;
list<string> filenames;
     list<string>::iterator it;
  //  buffer.clear();
    getfilenames(&filenames);
    if(msg>filenames.size())return "error";
    filenames.sort();//user::sortnumb);
    it=filenames.begin();
    for(i=1;i<msg;i++)it++;
    h=getfile(*it);
    return h;


}
string user::getfile(string filename)
{
    string back, line;
    filename = name + "/"+ filename;
    ifstream handle;
    handle.open(filename.c_str(), ios::in);
    while (handle.good())
    {
        getline (handle,line);
        back=back+line;
        back=back+"\n";
    }
    return back;
}

int user::getfilenames(list <string> *namelist){
    DIR *dp;
    int i=0;
    struct dirent *dirp;

    dp = opendir(name.c_str());
    if(dp == NULL) {
        cout << "did not get filenames" << endl;
        return -1;
    }
    while ((dirp = readdir(dp)) != NULL)
    {
        i++;
        (*namelist).push_back(string(dirp->d_name));
        if( (*namelist).back() == "." ||  (*namelist).back()=="..")
        {
             (*namelist).pop_back();
        }
    }
    closedir(dp);
    return i;
}

void user::writefile(string message)
{
    ofstream handle;
    time_t now;
    stringstream strm;
    string convert;
    time(&now);
    strm << now;
    convert=strm.str();
    convert=name +"/"+ convert;
    cout << convert<< endl;
    handle.open(convert.c_str(),ios::out);
    handle<<message;
    handle.close();
}

user::~user()
{

}