From 444a02b9f9a71fcf0f10311af9bd58f704d5e985 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Lebleu?= <jerome.lebleu@mailoo.org>
Date: Tue, 29 Sep 2015 18:45:07 +0200
Subject: [PATCH] [enh] Add app helpers to parse plain command output

---
 data/apps/helpers.d/user  | 14 ++++++++++++--
 data/apps/helpers.d/utils | 24 ++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 data/apps/helpers.d/utils

diff --git a/data/apps/helpers.d/user b/data/apps/helpers.d/user
index de9a2cbce..1fd8d203c 100644
--- a/data/apps/helpers.d/user
+++ b/data/apps/helpers.d/user
@@ -1,5 +1,15 @@
-
 # Check if a user exists
+#
+# usage: ynh_user_exists username
+# | ret: retcode - 0 if user exists, 1 otherwise
 ynh_user_exists() {
     sudo yunohost user list --json | grep -q "\"username\": \"${1}\""
-}
\ No newline at end of file
+}
+
+# Retrieve a user information
+#
+# usage: ynh_user_info username key
+# | ret: string - the key's value
+ynh_user_get_info() {
+    sudo yunohost user info "${1}" --plain | ynh_get_plain_key "${2}"
+}
diff --git a/data/apps/helpers.d/utils b/data/apps/helpers.d/utils
new file mode 100644
index 000000000..87cd47f6b
--- /dev/null
+++ b/data/apps/helpers.d/utils
@@ -0,0 +1,24 @@
+# Extract a key from a plain command output
+#
+# usage: ynh_get_plain_key key [subkey [subsubkey ...]]
+# | ret: string - the key's value
+ynh_get_plain_key() {
+    prefix="#"
+    founded=0
+    key=$1
+    shift
+    while read line; do
+        if [[ "$founded" == "1" ]] ; then
+            [[ "$line" =~ ^${prefix}[^#] ]] && return
+            echo $line
+        elif [[ "$line" =~ ^${prefix}${key}$ ]]; then
+            if [[ -n "$1" ]]; then
+                prefix+="#"
+                key=$1
+                shift
+            else
+                founded=1
+            fi
+        fi
+    done
+}