Update wizards for SHARENAME

- The upgrade wizard identifies an existing share name. If it's not found, an additional screen will appear for user confirmation.

spk/sabnzbd/src/wizard/install_uifile

@@ -20,13 +20,11 @@
           }
         ]
       }, {
-        "desc": ""
-      }, {
-        "desc": "If you let the installer create the shared folder, it is created under the same volume as the package is installed.<br/>If you want to use a different volume for the share, you must create the shared folder in DSM Control Panel before, and enter the name of the existing share in the field above."
+        "desc": "If you let the installer handle it, the shared folder goes to the package's volume. To use a different volume, create the shared folder in DSM Control Panel before installation and input its name during setup."
       }, {
         "desc": ""
       }, {
-        "desc": "This package runs as internal service user <b>'sc-sabnzbd'</b> in DSM. The shared folder above is configured at installation time to be accessible by this user.<p>Please read <a target=\"_blank\" href=\"https://github.com/SynoCommunity/spksrc/wiki/Permission-Management\">Permission Management</a> for details."
+        "desc": "This package utilizes the internal service user <b>'sc-sabnzbd'</b> in DSM. The shared folder mentioned is set up during installation to be accessible specifically by this user. For more detailed information, please consult the <a target=\"_blank\" href=\"https://github.com/SynoCommunity/spksrc/wiki/Permission-Management\">Permission Management</a> guide."
       }
     ]
   }

spk/sabnzbd/src/wizard/upgrade_uifile.sh

@@ -0,0 +1,93 @@
+#!/bin/bash
+
+page_append ()
+{
+    if [ -z "$1" ]; then
+        echo "$2"
+    elif [ -z "$2" ]; then
+        echo "$1"
+    else
+        echo "$1,$2"
+    fi
+}
+
+CFG_FILE="/var/packages/${SYNOPKG_PKGNAME}/var/config.ini"
+# Extract share path and name from application config
+CONFIGURED_SHARE_PATH=$(awk -F' = ' '/^download_dir/{split($2, path, "/"); print "/" path[2] "/" path[3]}' "${CFG_FILE}")
+CONFIGURED_SHARE_NAME=$(echo "${CONFIGURED_SHARE_PATH}" | awk -F'/' '{print $NF}')
+
+VAR_FILE="/var/packages/${SYNOPKG_PKGNAME}/etc/installer-variables"
+# Extract share path from installer variables or configured shares
+PACKAGE_SHARE_PATH=$(awk -F'=' '/^SHARE_PATH=/{print $2}' "${VAR_FILE}" 2>/dev/null || echo "")
+if [ -z "$PACKAGE_SHARE_PATH" ] && [ -d "/var/packages/${SYNOPKG_PKGNAME}/shares" ]; then
+    PACKAGE_SHARE_PATH=$(realpath "/var/packages/${SYNOPKG_PKGNAME}/shares/${CONFIGURED_SHARE_NAME}" 2>/dev/null || echo "")
+fi
+# Extract share name from installer variables or configured shares
+PACKAGE_SHARE_NAME=$(awk -F'=' '/^SHARE_NAME=/{print $2}' "${VAR_FILE}" 2>/dev/null || echo "")
+if [ -z "$PACKAGE_SHARE_NAME" ] && [ -d "/var/packages/${SYNOPKG_PKGNAME}/shares/${CONFIGURED_SHARE_NAME}" ]; then
+    PACKAGE_SHARE_NAME=${CONFIGURED_SHARE_NAME}
+fi
+
+WARNING_TEXT="IMPORTANT: If your download folder is not currently located in the specified share, a new share will be created. After the upgrade, you may need to manually update your configuration to reflect this new location."
+
+# If consistent data share path, suppress user warning
+if [ -n "$CONFIGURED_SHARE_PATH" ] && [ -n "$PACKAGE_SHARE_PATH" ] && [ "$CONFIGURED_SHARE_PATH" = "$PACKAGE_SHARE_PATH" ]; then
+    WARNING_TEXT=""
+fi
+
+# Check for data share
+check_data_share ()
+{
+    if [ -n "${PACKAGE_SHARE_NAME}" ]; then
+        return 0  # true
+    else
+        return 1  # false
+    fi
+}
+
+PAGE_SHARE_UPGRADE=$(/bin/cat<<EOF
+{
+    "step_title": "Shared Folder Upgrade",
+    "invalid_next_disabled_v2": true,
+    "items": [{
+        "type": "textfield",
+        "desc": "The download folder for this package must now be located within a data share. As per the existing configuration, the identified data share for your downloads is:",
+        "subitems": [{
+            "key": "wizard_shared_folder_name",
+            "desc": "Shared Folder",
+            "defaultValue": "${CONFIGURED_SHARE_NAME}",
+            "validator": {
+                "allowBlank": false,
+                "regex": {
+                    "expr": "/^[\\\w _-]+$/",
+                    "errorText": "Subdirectories are not supported."
+                }
+            }
+        }]
+    },{
+        "desc": "${WARNING_TEXT}"
+    }]
+}
+EOF
+)
+
+PAGE_DSM_PERMISSIONS=$(/bin/cat<<EOF
+{
+    "step_title": "DSM Permissions",
+    "items": [{
+        "desc": "Please read <a target=\"_blank\" href=\"https://github.com/SynoCommunity/spksrc/wiki/Permission-Management\">Permission Management</a> for details."
+    }]
+}
+EOF
+)
+
+main () {
+    local upgrade_page=""
+    if ! check_data_share; then
+        upgrade_page=$(page_append "$upgrade_page" "$PAGE_SHARE_UPGRADE")
+    fi
+    upgrade_page=$(page_append "$upgrade_page" "$PAGE_DSM_PERMISSIONS")
+    echo "[$upgrade_page]" > "${SYNOPKG_TEMP_LOGFILE}"
+}
+
+main "$@"