From dcfc2b886fb22d0c112b60cf4df96df0541e5306 Mon Sep 17 00:00:00 2001
From: Franck Nijhof <frenck@addons.community>
Date: Mon, 19 Aug 2019 20:24:59 +0200
Subject: [PATCH] :sparkles: Adds support for Hass.io Discovery (#8)

---
 lib/bashio.sh    |  2 ++
 lib/discovery.sh | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 lib/discovery.sh

diff --git a/lib/bashio.sh b/lib/bashio.sh
index 6da4f72..779bf27 100644
--- a/lib/bashio.sh
+++ b/lib/bashio.sh
@@ -58,6 +58,8 @@ source "${__BASHIO_LIB_DIR}/config.sh"
 source "${__BASHIO_LIB_DIR}/debug.sh"
 # shellcheck source=lib/exit.sh
 source "${__BASHIO_LIB_DIR}/exit.sh"
+# shellcheck source=lib/discovery.sh
+source "${__BASHIO_LIB_DIR}/discovery.sh"
 # shellcheck source=lib/dns.sh
 source "${__BASHIO_LIB_DIR}/dns.sh"
 # shellcheck source=lib/hardware.sh
diff --git a/lib/discovery.sh b/lib/discovery.sh
new file mode 100644
index 0000000..0147f7c
--- /dev/null
+++ b/lib/discovery.sh
@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+# ==============================================================================
+# Community Hass.io Add-ons: Bashio
+# Bashio is an bash function library for use with Hass.io add-ons.
+#
+# It contains a set of commonly used operations and can be used
+# to be included in add-on scripts to reduce code duplication across add-ons.
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# Publish a new configuration object for discovery.
+#
+# Arguments:
+#   $1 Service name
+#   $2 Configuration object (JSON)
+# ------------------------------------------------------------------------------
+function bashio::discovery() {
+    local service=${1}
+    local config=${2}
+    local payload
+
+    bashio::log.trace "${FUNCNAME[0]}:" "$@"
+
+    payload=$(\
+        bashio::var.json \
+            service "${service}" \
+            config "^${config}" \
+    )
+
+    bashio::api.hassio "POST" "/discovery" "${payload}"
+    bashio::cache.flush_all
+}
+
+# ------------------------------------------------------------------------------
+# Deletes configuration object for this discovery.
+#
+# Arguments:
+#   $1 Discovery UUID
+# ------------------------------------------------------------------------------
+function bashio::discovery.delete() {
+    local uuid=${1}
+
+    bashio::log.trace "${FUNCNAME[0]}:" "$@"
+    bashio::api.hassio "DELETE" "/discovery/${uuid}"
+    bashio::cache.flush_all
+}