user management commands automated

Reviewed-on: #3

.gitea/workflows/lint.yaml

@@ -0,0 +1,13 @@
+on: [push, pull_request]
+
+jobs:
+  CI:
+    name: Lint Check Shellscripts
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run Linter
+        uses: Azbagheri/shell-linter@latest
+        with: 
+          path: "jconf,penv"
+

jconf

@@ -42,14 +42,56 @@ fi
 cmd=$1
 case "$cmd" in
     adduser)
-        echo
+
+        exist=$(awk -F: -v username="$2" '{if ($1 == username && $3 >= 1000 && $1 != "nobody") {print 1; found=1; exit}} END {if (!found) print 0}' /etc/passwd)
+        if [ "$exist" -eq  1 ]; then
+            echo "$2 user already exists"
+        else
+            while true; do
+                read -p "Do you want to create an user account $2 [Y/n]:" yn
+                case $yn in
+                    [Yy]* ) 
+                        useradd $2;
+                        echo "Enter the password for $2:";
+                        passwd $2
+                        echo "$2 user account created successfully";
+                        break;;
+                    [Nn]* ) exit 1;;
+                    * ) echo "Please answer Y or N.";;
+                esac
+            done
+        fi
+        exit 1
         ;;
+    
     deluser)
-        echo
+
+        exist=$(awk -F: -v username="$2" '{if ($1 == username && $3 >= 1000 && $1 != "nobody") {print 1; found=1; exit}} END {if (!found) print 0}' /etc/passwd)
+        if [ "$exist" -eq  0 ]; then
+            echo "$2 user doesn't exist"
+            exit 1
+        else
+
+            while true; do
+                read -p "Do you want to delete $2 user account? [Y/n]:" yn
+                case $yn in
+                    [Yy]* ) 
+                        userdel -rRZ $2;
+                        echo "$2 user account deleted successfully";
+                        break;;
+                    [Nn]* ) exit 1;;
+                    * ) echo "Please answer yes or no.";;
+                esac
+            done
+        fi
+        exit 1
         ;;
+        
     listusers)
-        echo
+        husers= awk -F: '{ if ($3 >= 1000 && $1 != "nobody" ) {print $1}}' /etc/passwd 
+        echo $husers
         ;;
+    
     start)
         echo
         ;;