luci-app-radicale2: Add v2 of CalDAV/CardDAV server

Radicale 2.x has been out for some time, and has better support for a
number of clients as well as new features, so radicale2 package has
been added to packages, and this is the corresponding UI.

Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/applications/luci-app-radicale2/luasrc/controller/radicale2.lua b/applications/luci-app-radicale2/luasrc/controller/radicale2.lua
new file mode 100644
index 0000000000..7b94552ed6
--- /dev/null
+++ b/applications/luci-app-radicale2/luasrc/controller/radicale2.lua
@@ -0,0 +1,38 @@
+-- Licensed to the public under the Apache License 2.0.
+
+module("luci.controller.radicale2", package.seeall)
+
+function index()
+	local page
+
+        -- no config create an empty one
+        if not nixio.fs.access("/etc/config/radicale2") then
+                nxfs.writefile("/etc/config/radicale2", "")
+        end
+
+	page = entry({"admin", "services", "radicale2"}, alias("admin", "services", "radicale2", "server"), _("Radicale 2.x"))
+	page.leaf = false
+
+	page = entry({"admin", "services", "radicale2", "server"}, cbi("radicale2/server"), _("Server Settings"))
+	page.leaf = true
+	page.order = 10
+
+	page = entry({"admin", "services", "radicale2", "auth"}, cbi("radicale2/auth"), _("Authentication / Users"))
+	page.leaf = true
+	page.order = 20
+
+	page = entry({"admin", "services", "radicale2", "storage"}, cbi("radicale2/storage"), _("Storage"))
+	page.leaf = true
+	page.order = 30
+
+	page = entry({"admin", "services", "radicale2", "logging"}, cbi("radicale2/logging"), _("Logging"))
+	page.leaf = true
+	page.order = 40
+end
+
+function pymodexists(module)
+   retfun = luci.util.execi('python3 -c \'import importlib.util as util;found_module = util.find_spec("' .. module .. '");print(found_module is not None);print("\\n")\'')
+   retval = retfun() == "True"
+   while retfun() do end
+   return retval
+end