Move to a more modular architecture

ms-manager/detect_server.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+# Detect the server type
+function get_existing_server {
+  if ls paper-*.jar 1> /dev/null 2>&1; then
+    existing_server_type="paper"
+    get_existing_paper
+  # TODO: Add support for other server types
+  # elif ls fabric-*.jar 1> /dev/null 2>&1; then
+  #   existing_server_type="fabric"
+  # elif ls spigot-*.jar 1> /dev/null 2>&1; then
+  #   existing_server_type="spigot"
+  # elif ls craftbukkit-*.jar 1> /dev/null 2>&1; then
+  #   existing_server_type="craftbukkit"
+  # elif ls vanilla-*.jar 1> /dev/null 2>&1; then
+  #   existing_server_type="vanilla"
+  else
+    if ! ls *.jar 1> /dev/null 2>&1; then
+      echo "No server file found."
+      echo
+      echo
+      existing_server_type=false
+      server_file=false
+    else
+      >&2 echo "$(ls *.jar) file was found."
+      >&2 echo "Unknown server type."
+      exit 10
+      # TODO: Ask the user if they want to continue
+    fi
+  fi
+}
+
+# Get existing version and build of paper
+function get_existing_paper {
+  # Get the current server file name
+  server_file=$(basename ./paper-*.jar)
+
+  # Extract the version and build number using cut command
+  current_version=$(echo "$server_file" | cut -d'-' -f2)
+  current_build=$(echo "$server_file" | cut -d'-' -f3)
+  # Remove the rest of the file names
+  current_version="${current_version%-*}"
+  current_build="${current_build%.jar}"
+
+  echo "Current server file: $server_file"
+  echo "  - Version $current_version"
+  echo "  - Build $current_build"
+  echo
+  echo
+}
+

ms-manager/java.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# Check if the correct version of Java is installed
+# For version 1.8 to 1.11 use java 8
+# For version 1.12 to 1.16.4 use java 11
+# For version 1.16.5 use java 16
+# For version 1.17.1 to 1.18.1+ use java 17
+function check_java {
+# Check if java is installed
+  if ! command -v java &> /dev/null
+  then
+      >&2 echo "Error: Java is not installed"
+      java_version="0"
+  fi
+
+  # Extract the middle number of the Minecraft version
+  minecraft_middle=$(echo "$version" | awk -F '.' '{print $2}')
+
+  # If java is installed, get the version (the java_version won't be 0)
+  if [[ $java_version != "0" ]]; then
+    # Get the current Java version and extract the build number
+    java_version=$(java -version 2>&1 | awk -F '"' '/version/ {print $2}' | awk -F '.' '{print $1}')
+    echo "Java $java_version is installed."
+  fi
+
+  # Check if the correct version of java is installed
+  if (( 8 <= minecraft_middle && minecraft_middle <= 11 )); then
+    if ! [[ $java_version -eq 8 ]]; then
+      >&2 echo "Java 8 is required for Minecraft version $select_version. Please install Java 8."
+      if [[ $java_version == 0 ]]; then
+        exit 3
+      fi
+      ask_continue
+    fi
+  elif (( 12 <= minecraft_middle && minecraft_middle <= 16 )); then
+    if ! [[ $java_version -eq 11 ]]; then
+      >&2 echo "Java 11 is required for Minecraft version $select_version. Please install Java 11."
+      if [[ $java_version == 0 ]]; then
+        exit 3
+      fi
+      ask_continue
+    fi
+  elif (( minecraft_middle == 17 )); then
+    if ! [[ $java_version -eq 16 ]]; then
+      >&2 echo "Java 16 is required for Minecraft version $select_version. Please install Java 16."
+      if [[ $java_version == 0 ]]; then
+        exit 3
+      fi
+      ask_continue
+    fi
+  elif (( 18 <= minecraft_middle )); then
+    if ! [[ $java_version -eq 17 ]]; then
+      >&2 echo "Java 17 is required for Minecraft version $select_version. Please install Java 17."
+      if [[ $java_version == 0 ]]; then
+        exit 3
+      fi
+      ask_continue
+    fi
+  else
+    >&2 echo "Unsupported Minecraft version $select_version."
+    if [[ $java_version == 0 ]]; then
+      exit 3
+    fi
+    ask_continue
+  fi
+}

ms-manager/paper.sh

@@ -0,0 +1,124 @@
+#!/bin/bash
+
+# API URL
+api_url="https://api.papermc.io/v2/projects/paper/versions/$version/builds"
+
+# Check if the version and build are valid
+function check_version_valid {
+  if curl -s "$api_url" | grep -q '{"error":"Version not found."}'; then
+    >&2 echo "Error: Invalid version selected: $version"
+    exit 2
+  else
+    # Check if selected build exists
+    if [ ! -z "$build" ]; then
+      # WARNING: Check if the shortened versin works
+      # if curl -Is "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$build/downloads/paper-$version-$build.jar" | grep "HTTP/2 404" >/dev/null; then
+      if curl -Is "$api_url/$build/downloads/paper-$version-$build.jar" | grep "HTTP/2 404" >/dev/null; then
+        >&2 echo "Error: Invalid build selected: $build"
+        exit 2
+      fi
+    fi
+  fi
+}
+
+# Download server set by $version and $download_build
+function download_server {
+  # Download the server
+  echo "Downloading PaperMC server..."
+  echo "  - Version $version"
+  echo "  - Build $download_build"
+  curl "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$download_build/downloads/paper-$version-$download_build.jar" -o "./paper-$version-$download_build.jar"
+  echo "Download complete."
+}
+
+# Check if up to date
+function check_updates {
+  if [[ $server_file == false ]]; then
+    download_build=$latest_build
+    update_version=true
+    update_build=true
+  fi
+
+  # Check if $build is empty
+  if [[ -z $build ]]; then
+    # Check if the current version is the same as the one selected
+    if [[ $current_version == $version ]]; then
+      # Check if the current build is the same as the one selected
+      if [[ $current_build == $latest_build ]]; then
+        echo "Server is up to date."
+      else
+        echo "Server is not up to date."
+        download_build=$latest_build
+        update_build=true
+      fi
+    else
+      # Check if $server_file is false
+      if [[ $server_file != false ]]; then
+        ask_version_differs
+        echo "Server is not up to date."
+        download_build=$latest_build
+        update_version=true
+      fi
+    fi
+  else
+    # Check if the current version is the same as the one selected
+    if [[ $current_version == $version ]]; then
+      # Check if the current build is the same as the one selected
+      if [[ $current_build == $build ]]; then
+        echo "Server is up to date."
+      else
+        echo "Server is not up to date."
+        download_build=$build
+        update_build=true
+      fi
+    else
+      # Check if $server_file is false
+      if [[ $server_file != false ]]; then
+        ask_version_differs
+        echo "Server is not up to date."
+        download_build=$build
+        update_version=true
+      fi
+    fi
+  fi
+}
+
+# Get the latest build number
+function get_latest_build {
+    # Get the latest build number
+    latest_build=$(curl -s $api_url | jq '.builds[-1].build')
+}
+
+# Check for updates
+function check_and_update {
+  if [[ $server_file == false ]]; then
+    download_build=$latest_build
+    update_version=true
+    update_build=true
+  else
+    echo Checking for updates...
+  fi
+
+  # Get the latest build number
+  get_latest_build
+
+  # Check if the current version is up to date
+  check_updates
+
+  # Check if $build_update is true or $version_update is true
+  if [[ $update_build == true ]] || [[ $update_version == true ]]; then
+    if [[ $server_file != false ]]; then
+      old_server_file=$server_file
+      server_file="paper-$version-$download_build.jar"
+      download_server
+      # Delete the old server file
+      delete_old_server
+    else
+      server_file="paper-$version-$download_build.jar"
+      download_server
+    fi
+  fi
+  echo
+  echo
+}
+

ms-manager/version.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+CURRENT_SCRIPTS_VERSION="v1.0.3"