From 22acc1b990ac7d97c16344fbcbc2621e24cdf915 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sun, 20 Dec 2015 20:59:16 +0100
Subject: refactor

---
 cac | 76 ++++++++++++++++++++++++++++++++++-----------------------------------
 1 file changed, 38 insertions(+), 38 deletions(-)

diff --git a/cac b/cac
index b9982b2..68513ff 100755
--- a/cac
+++ b/cac
@@ -13,8 +13,9 @@ cac_resources_cache=${cac_resources_cache-$HOME/tmp/cac_resources_cache.json}
 cac_servers_cache=${cac_servers_cache-$HOME/tmp/cac_servers_cache.json}
 cac_tasks_cache=${cac_tasks_cache-$HOME/tmp/cac_tasks_cache.json}
 cac_templates_cache=${cac_templates_cache-$HOME/tmp/cac_templates_cache.json}
-update_interval=${update_interval-10}
 cac_secrets=${cac_secrets-$HOME/.secrets/cac}
+cac_always_update=${cac_always_update-false}
+cac_update_interval=${cac_update_interval-10}
 
 _load_secrets() {
   if test ! -r "$cac_secrets" ;then
@@ -26,11 +27,13 @@ _load_secrets() {
   fi
 }
 
-
-cac() {
-  __cac_cli__command=${1-help}
-  shift || :
-  __cac_cli__"$__cac_cli__command" "$@"
+_cac_main() {
+  _load_secrets
+  case ${run-true} in true)
+    __cac_cli__command=${1-help}
+    shift || :
+    __cac_cli__"$__cac_cli__command" "$@"
+  esac
 }
 
 #? cac help [REGEX]
@@ -77,18 +80,11 @@ __cac_cli__console() {(
   _cac_post_api_v1 console sid="$sid" | jq -r .console
 )}
 
-_maybe_update(){
-
-  if test ! -r "$1" -o -n "${always_update:-}" ;then
-    echo "$(date -Is) updating cache file" >&2
-    __cac_cli__update
-  fi
-}
 #? cac servers
 #?    Print cached servers JSON.
 #?
 __cac_cli__servers() {
-  _maybe_update $cac_servers_cache
+  _cac_maybe_update
   jq -r . $cac_servers_cache
 }
 
@@ -96,7 +92,7 @@ __cac_cli__servers() {
 #?    Print cached tasks JSON.
 #?
 __cac_cli__tasks() {
-  _maybe_update $cac_tasks_cache
+  _cac_maybe_update
   jq -r . $cac_tasks_cache
 }
 
@@ -104,7 +100,7 @@ __cac_cli__tasks() {
 #?    Print cached templates JSON.
 #?
 __cac_cli__templates() {
-  _maybe_update $cac_templates_cache
+  _cac_maybe_update
   jq -r . $cac_templates_cache
 }
 
@@ -112,7 +108,7 @@ __cac_cli__templates() {
 #?    Print CloudPRO resources JSON.
 #?
 __cac_cli__resources() {
-  _maybe_update $cac_resources_cache
+  _cac_maybe_update
   jq -r . $cac_resources_cache
 }
 
@@ -144,7 +140,7 @@ __cac_cli__update() {(
 #?    Print cached server JSON.
 #?
 __cac_cli__getserver() {(
-
+  _cac_maybe_update
   case $1 in
     *:*)
       k=${1%%:*}
@@ -155,7 +151,6 @@ __cac_cli__getserver() {(
       v=${1#*:}
       ;;
   esac
-  _maybe_update $cac_servers_cache
   if result=$(jq \
       -e \
       --arg k "$k" \
@@ -277,15 +272,26 @@ __cac_cli__waitstatus() {
       ;;
   esac
 
-  # always_update is not compatible with inotifywait
-  if test -z "${always_update:-}";then
-    echo "$(date -Is) Waiting for status: $2; current status: $status ..." >&2
-    __cac_cli__waitforcacheupdate __cac_cli__waitstatus "$@"
-  else
-    echo "$(date -Is) Waiting ${update_interval}secs for status: $2; current status: $status ..."
-    sleep ${update_interval}
-    __cac_cli__waitstatus "$@"
-  fi
+  # cac_always_update is not compatible with inotifywait
+  case $cac_always_update in
+    true)
+      echo "$(date -Is) Waiting ${cac_update_interval}s for status: $2; current status: $status ..."
+      sleep ${cac_update_interval}
+      __cac_cli__waitstatus "$@"
+      ;;
+    false)
+      echo "$(date -Is) Waiting for status: $2; current status: $status ..." >&2
+      __cac_cli__waitforcacheupdate __cac_cli__waitstatus "$@"
+      ;;
+  esac
+}
+
+# helper to implement cac_always_update
+_cac_maybe_update() {
+  case $cac_always_update in true)
+    echo "$(date -Is) updating cache file" >&2
+    __cac_cli__update
+  esac
 }
 
 
@@ -349,8 +355,9 @@ __cac_cli__delete() {(
 #?   cac_tasks_cache=$HOME/tmp/cac_tasks_cache.json
 #?   cac_templates_cache=$HOME/tmp/cac_templates_cache.json
 #?   cac_secrets=$HOME/.secrets/cac
-#?   run=true           < set to false to be able to source this file
-#?   always_update=     < set to true to always update when using cache files
+#?   cac_always_update=false  < set to true to always update when using cache files
+#?   cac_update_interval=10   < interval (in s) used by `cac waitstatus`
+#?   run=true                 < set to false to be able to source this file
 #?
 #? You can override these by setting them beforehand.
 #?
@@ -461,13 +468,6 @@ _cac_exec() {
   fi
 }
 
-_main() {
-  _load_secrets || exit 1
-  case ${run-true} in
-    true) cac "$@";;
-  esac
-}
-
 #
 # imported:
 urlencode() {
@@ -533,4 +533,4 @@ rsyncfiles() {(
 
 #
 
-_main "$@"
+_cac_main "$@"
-- 
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