Refactor: FileFlows (#11108)

* Refactor

* Apply suggestion from @tremor021

* Apply suggestion from @tremor021

ct/fileflows.sh

@@ -37,17 +37,12 @@ function update_script() {
     msg_info "Stopped Service"
 
     msg_info "Creating Backup"
+    ls /opt/*.tar.gz &>/dev/null && rm -f /opt/*.tar.gz
     backup_filename="/opt/${APP}_backup_$(date +%F).tar.gz"
     tar -czf "$backup_filename" -C /opt/fileflows Data
     msg_ok "Backup Created"
 
-    msg_info "Updating $APP to latest version"
-    temp_file=$(mktemp)
-    curl -fsSL https://fileflows.com/downloads/zip -o "$temp_file"
-    $STD unzip -o -d /opt/fileflows "$temp_file"
-    rm -rf "$temp_file"
-    rm -rf "$backup_filename"
-    msg_ok "Updated $APP to latest version"
+    fetch_and_deploy_from_url "https://fileflows.com/downloads/zip" "/opt/fileflows"
 
     msg_info "Starting Service"
     systemctl start fileflows

install/fileflows-install.sh

@@ -15,31 +15,30 @@ network_check
 update_os
 
 msg_info "Installing Dependencies"
-$STD apt-get install -y \
+$STD apt install -y \
   ffmpeg \
-  jq \
   imagemagick
 msg_ok "Installed Dependencies"
 
 setup_hwaccel
 
 msg_info "Installing ASP.NET Core Runtime"
-curl -fsSL https://packages.microsoft.com/config/debian/13/packages-microsoft-prod.deb -o packages-microsoft-prod.deb
-$STD dpkg -i packages-microsoft-prod.deb
-rm -rf packages-microsoft-prod.deb
-$STD apt-get update
-$STD apt-get install -y aspnetcore-runtime-8.0
+setup_deb822_repo \
+  "microsoft" \
+  "https://packages.microsoft.com/keys/microsoft-2025.asc" \
+  "https://packages.microsoft.com/debian/13/prod/" \
+  "trixie"
+$STD apt install -y aspnetcore-runtime-8.0
 msg_ok "Installed ASP.NET Core Runtime"
 
+fetch_and_deploy_from_url "https://fileflows.com/downloads/zip" "/opt/fileflows"
+
 msg_info "Setup FileFlows"
 $STD ln -svf /usr/bin/ffmpeg /usr/local/bin/ffmpeg
 $STD ln -svf /usr/bin/ffprobe /usr/local/bin/ffprobe
-temp_file=$(mktemp)
-curl -fsSL https://fileflows.com/downloads/zip -o "$temp_file"
-$STD unzip -d /opt/fileflows "$temp_file"
-$STD bash -c "cd /opt/fileflows/Server && dotnet FileFlows.Server.dll --systemd install --root true"
+cd /opt/fileflows/Server
+dotnet FileFlows.Server.dll --systemd install --root true
 systemctl enable -q --now fileflows
-rm -f "$temp_file"
 msg_ok "Setup FileFlows"
 
 motd_ssh