languagetool (#11370)

* Add languagetool (ct)

* Apply suggestion from @tremor021

* Apply suggestion from @tremor021

* Apply suggestion from @tremor021

* Apply suggestion from @tremor021

* Apply suggestion from @tremor021

* Update languagetool.sh

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>
Co-authored-by: Tobias <96661824+CrazyWolf13@users.noreply.github.com>

install/languagetool-install.sh

@@ -0,0 +1,110 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: Slaviša Arežina (tremor021)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://languagetool.org/
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing dependencies"
+$STD apt install -y fasttext
+msg_ok "Installed dependencies"
+
+JAVA_VERSION="21" setup_java
+
+msg_info "Setting up LanguageTool"
+RELEASE=$(curl -fsSL https://languagetool.org/download/ | grep -oP 'LanguageTool-\K[0-9]+\.[0-9]+(\.[0-9]+)?(?=\.zip)' | sort -V | tail -n1)
+download_file "https://languagetool.org/download/LanguageTool-stable.zip" /tmp/LanguageTool-stable.zip
+unzip -q /tmp/LanguageTool-stable.zip -d /opt
+mv /opt/LanguageTool-*/ /opt/LanguageTool/
+download_file "https://dl.fbaipublicfiles.com/fasttext/supervised-models/lid.176.bin" /opt/lid.176.bin
+rm -f /tmp/LanguageTool-stable.zip
+msg_ok "Setup LanguageTool"
+
+ngram_dir=""
+lang_code=""
+max_attempts=3
+attempt=0
+
+while [[ $attempt -lt $max_attempts ]]; do
+  read -r -p "${TAB3}Enter language code (en, de, es, fr, nl) to download ngrams or press ENTER to skip: " lang_code
+
+  if [[ -z "$lang_code" ]]; then
+    break
+  fi
+
+  if [[ "$lang_code" =~ [[:space:]] ]]; then
+    ((attempt++))
+    remaining=$((max_attempts - attempt))
+    if [[ $remaining -gt 0 ]]; then
+      msg_error "Please enter only ONE language code. You have $remaining attempt(s) remaining."
+    else
+      msg_error "Maximum attempts reached. Continuing without ngrams."
+      lang_code=""
+    fi
+    continue
+  fi
+  break
+done
+
+if [[ -n "$lang_code" ]]; then
+  if [[ "$lang_code" =~ ^(en|de|es|fr|nl)$ ]]; then
+    msg_info "Searching for $lang_code ngrams..."
+    filename=$(curl -fsSL https://languagetool.org/download/ngram-data/ | grep -oP "ngrams-${lang_code}-[0-9]+\.zip" | sort -uV | tail -n1)
+
+    if [[ -n "$filename" ]]; then
+      msg_info "Downloading $filename"
+      download_file "https://languagetool.org/download/ngram-data/${filename}" "/tmp/${filename}"
+
+      mkdir -p /opt/ngrams
+      msg_info "Extracting $lang_code ngrams to /opt/ngrams"
+      unzip -q "/tmp/${filename}" -d /opt/ngrams
+      rm "/tmp/${filename}"
+
+      ngram_dir="/opt/ngrams"
+      msg_ok "Installed $lang_code ngrams"
+    else
+      msg_info "No ngram file found for ${lang_code}"
+    fi
+  else
+    msg_error "Invalid language code: $lang_code"
+  fi
+fi
+
+cat <<EOF >/opt/LanguageTool/server.properties
+fasttextModel=/opt/lid.176.bin
+fasttextBinary=/usr/bin/fasttext
+EOF
+if [[ -n "$ngram_dir" ]]; then
+  echo "languageModel=/opt/ngrams" >> /opt/LanguageTool/server.properties
+fi
+echo "${RELEASE}" >~/.languagetool
+msg_ok "Setup LanguageTool"
+
+msg_info "Creating Service"
+cat <<'EOF' >/etc/systemd/system/language-tool.service
+[Unit]
+Description=LanguageTool Service
+After=network.target
+
+[Service]
+WorkingDirectory=/opt/LanguageTool
+ExecStart=java -cp languagetool-server.jar org.languagetool.server.HTTPServer --config server.properties --public --allow-origin "*"
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now language-tool
+msg_ok "Created Service"
+
+motd_ssh
+customize
+cleanup_lxc