From e03b0953258716799ac25f3e293db823a69f7d0d Mon Sep 17 00:00:00 2001
From: nachoparker <nacho@ownyourbits.com>
Date: Wed, 13 Mar 2019 00:24:06 -0600
Subject: nc-previews: improvements

---
 bin/ncp/TOOLS/nc-previews.sh     | 16 +++++++++++++++-
 etc/ncp-config.d/nc-previews.cfg | 23 +++++++++++++++++++++--
 2 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/bin/ncp/TOOLS/nc-previews.sh b/bin/ncp/TOOLS/nc-previews.sh
index 97388eb0..60296686 100644
--- a/bin/ncp/TOOLS/nc-previews.sh
+++ b/bin/ncp/TOOLS/nc-previews.sh
@@ -11,7 +11,21 @@
 
 configure()
 {
-  sudo -u www-data php /var/www/nextcloud/occ preview:generate-all
+  [[ "$CLEAN" == "yes" ]] && {
+    local datadir
+    datadir=$( ncc config:system:get datadirectory ) || {
+      echo "data dir not found";
+      return 1;
+    }
+
+    rm -r "$datadir"/appdata_*/preview/* &>/dev/null
+    mysql nextcloud <<<"delete from oc_filecache where path like \"appdata_%/preview/%\""
+    ncc files:scan-app-data -n
+  }
+
+  [[ "$INCREMENTAL" == "yes" ]] && { ncc preview:pre-generate -n -vvv; return $?; }
+
+  ncc preview:generate-all -n -v -p "$PATH1"
 }
 
 install() { :; }
diff --git a/etc/ncp-config.d/nc-previews.cfg b/etc/ncp-config.d/nc-previews.cfg
index 0ac9fb4d..6cb85a4b 100644
--- a/etc/ncp-config.d/nc-previews.cfg
+++ b/etc/ncp-config.d/nc-previews.cfg
@@ -3,7 +3,26 @@
   "name": "Nc-previews",
   "title": "nc-previews",
   "description": "Generate previews for the gallery",
-  "info": "This will make browsing the gallery much more smooth.\nFor big collections, this can take a LONG time, depending on your hardware",
+  "info": "This will make browsing the gallery much more smooth.\nFor big collections, this can take a LONG time, depending on your hardware\nOptionally, include a path in the form '/_user_/files/_path_' (incremental only)",
   "infotitle": "",
-  "params": []
+  "params": [
+    {
+      "id": "CLEAN",
+      "name": "Clean first",
+      "value": "no",
+      "type": "bool"
+    },
+    {
+      "id": "INCREMENTAL",
+      "name": "Incremental",
+      "value": "yes",
+      "type": "bool"
+    },
+    {
+      "id": "PATH1",
+      "name": "Path",
+      "value": "",
+      "suggest": "/ncp/files/Documents"
+    }
+  ]
 }
-- 
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