From 633535b5a4c3058b2805f4b33df5a684ac59fcb9 Mon Sep 17 00:00:00 2001
From: Lucas Verdelho <PG50221@alunos.uminho.pt>
Date: Sun, 12 May 2024 21:46:20 +0100
Subject: [PATCH] [TS] TP3 Message reader cli needs testing with actual
 permissions and files

---
 test/message_cli.c | 118 ++++++++++++++++++++++++++++++---------------
 1 file changed, 79 insertions(+), 39 deletions(-)

diff --git a/test/message_cli.c b/test/message_cli.c
index 8df0038..bf69a67 100644
--- a/test/message_cli.c
+++ b/test/message_cli.c
@@ -5,6 +5,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <string.h>
+#include <time.h>
 
 void displayHeader() {
     printf("╭━━━╮╱╱╱╱╱╱╭╮\n");
@@ -18,14 +19,75 @@ void displayHeader() {
 }
 
 void displayAllMessages(uid_t userID) {
-    char dirname[256];
-    sprintf(dirname, "%d", userID); // Convert userID to string
+    char userDir[256];
+    // sprintf(userDir, "/djumbai/user/%d/mailbox", userID); // Construct user directory path
+    sprintf(userDir, "/mnt/e/Desktop/CSI/djumbai/test/%d/mailbox", userID); // TODO MUDAR ESTE PATH 
     DIR *dir;
     struct dirent *entry;
 
     printf("Reading all messages for UserID %d...\n", userID);
 
-    dir = opendir(dirname);
+    dir = opendir(userDir);
+    if (dir == NULL) {
+        printf("Error opening directory\n");
+        return;
+    }
+
+    while ((entry = readdir(dir)) != NULL) {
+        if (entry->d_type == DT_DIR && strcmp(entry->d_name, ".") != 0 && strcmp(entry->d_name, "..") != 0) {
+            char senderDir[256];
+            sprintf(senderDir, "%s/%s", userDir, entry->d_name); // Construct sender directory path
+            displayMessagesFromSender(senderDir);
+        }
+    }
+
+    closedir(dir);
+}
+
+
+
+void displayGroupMessages(uid_t groupID) {
+    char groupDir[256];
+    sprintf(groupDir, "/djumbai/group/%d/mailbox", groupID);
+    DIR *dir;
+    struct dirent *entry;
+
+    printf("Reading all messages for GroupID %d...\n", groupID);
+
+    dir = opendir(groupDir);
+    if (dir == NULL) {
+        printf("Error opening directory\n");
+        return;
+    }
+
+    while ((entry = readdir(dir)) != NULL) {
+        if (entry->d_type == DT_DIR && strcmp(entry->d_name, ".") != 0 && strcmp(entry->d_name, "..") != 0) {
+            char senderDir[256];
+            sprintf(senderDir, "%s/%s", groupDir, entry->d_name); // Construct sender directory path
+            displayMessagesFromSender(senderDir);
+        }
+    }
+
+    closedir(dir);
+}
+
+
+
+
+void displayMessagesFromSender(char *senderDir) {
+    char *senderName = strrchr(senderDir, '/'); // Find the last occurrence of '/'
+    if (senderName == NULL) {
+        printf("Error parsing sender directory\n");
+        return;
+    }
+    senderName++; // Move past the '/'
+
+    DIR *dir;
+    struct dirent *entry;
+
+    printf("Reading messages from sender %s...\n", senderName);
+
+    dir = opendir(senderDir);
     if (dir == NULL) {
         printf("Error opening directory\n");
         return;
@@ -33,46 +95,18 @@ void displayAllMessages(uid_t userID) {
 
     while ((entry = readdir(dir)) != NULL) {
         if (entry->d_type == DT_REG) { // If it's a regular file
-            displayMessage(dirname, entry->d_name);
+            displayMessage(senderDir, entry->d_name);
         }
     }
 
     closedir(dir);
 }
 
-void displayUserMessages(char *userID) {
-    char currentUserDir[256];
-    sprintf(currentUserDir, "%d", getuid()); // Convert currentUserID to string
-    char userDir[256];
-    sprintf(userDir, "%s/%s", currentUserDir, userID); // Construct user directory path
-    DIR *dir;
-    struct dirent *entry;
 
-    printf("Reading messages from user %s...\n", userID);
 
-    dir = opendir(userDir);
-    if (dir == NULL) {
-        printf("Error opening directory for user %s\n", userID);
-        return;
-    }
-
-    while ((entry = readdir(dir)) != NULL) {
-        if (entry->d_type == DT_REG) { // If it's a regular file
-            displayMessage(userDir, entry->d_name);
-        }
-    }
-
-    closedir(dir);
-}
-
-void displayGroupMessages(char *groupID) {
-    printf("Reading messages from group %s...\n", groupID);
-    // Your code to read messages from a specific group
-}
-
-void displayMessage(char *dirname, char *filename) {
+void displayMessage(char *senderDir, char *filename) {
     char filepath[256];
-    sprintf(filepath, "%s/%s", dirname, filename);
+    sprintf(filepath, "%s/%s", senderDir, filename);
     FILE *file = fopen(filepath, "r");
     if (file == NULL) {
         printf("Error opening file: %s\n", filename);
@@ -84,14 +118,14 @@ void displayMessage(char *dirname, char *filename) {
     while (fgets(buffer, sizeof(buffer), file)) {
         printf("%s", buffer);
     }
-    printf("\n----- End of %s -----\n", filename);
+    printf("----- End of %s -----\n", filename);
 
     fclose(file);
 }
 
 int main() {
     int choice;
-    char userID[20];
+    char sender[20];
     char groupID[20];
 
     displayHeader();
@@ -111,14 +145,20 @@ int main() {
                 displayAllMessages(getuid());
                 break;
             case 2:
-                printf("Enter userID: ");
-                scanf("%s", userID);
-                displayUserMessages(userID);
+                printf("Enter sender userID: ");
+                scanf("%s", sender);
+                
+                uid_t senderID = atoi(sender);
+                char userDir[256];
+                sprintf(userDir, "/mnt/e/Desktop/CSI/djumbai/test/%d/mailbox/%d", getuid(), senderID); // TODO MUDAR PATH AQUI
+                displayMessagesFromSender(userDir);
+                
                 break;
             case 3:
                 printf("Enter groupID: ");
                 scanf("%s", groupID);
                 displayGroupMessages(groupID);
+                printf("Group messages functionality is not implemented yet.\n");
                 break;
             case 4:
                 printf("Exiting program...\n");