c++ social media platform

Files 2/ReadPost.cpp

#include "ReadPost.h" #include <iostream> #include <algorithm> // for distance and advance if needed #include <cstdlib> // for rand(), srand() #include <ctime> // for time() #include <sstream> // for parsing lines using namespace std; ReadPosts::ReadPosts(const char *filename) { postfile.open(filename); if (!postfile) { cerr << "Failed to open " << filename << endl; exit(1); // Terminate if file cannot be opened } // Optionally seed the random number generator srand(static_cast<unsigned>(time(NULL))); } void ReadPosts::close() { if (postfile.is_open()) { postfile.close(); } } void ReadPosts::readAllPosts() { //to be implemented by you // Expected format per line: // userID postID post_content date/time // e.g.: // user123 456 Hello_world! 2024-01-12T12:34:56 // // Adjust parsing if your data differs. Here we assume no spaces in post_content. // If post_content can have spaces, you'd need more complex parsing. // Insert all posts from file into multimap } string ReadPosts::findPost() { // to be implemented by you // Return the post string that is randomly found in the multimap } string ReadPosts::getPost(const string &userID) const { // to be implemented by you // Find posts for the given userID // Return the first post found for this user }