From a268033ef5ad2c2c9c674e8213322251ffbdd907 Mon Sep 17 00:00:00 2001
From: Mik <info@slnt-opp.xyz>
Date: Thu, 29 Apr 2021 16:02:25 +0200
Subject: [PATCH 1/6] base

---
 service/objects/vm.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/service/objects/vm.rb b/service/objects/vm.rb
index 114ebdc4..04822898 100644
--- a/service/objects/vm.rb
+++ b/service/objects/vm.rb
@@ -414,7 +414,8 @@ def calculate_showback stime_req, etime_req, _group_by_day = false
 
       return {
         id: id, name: name,
-        TOTAL: total
+        total_billed: total, reduce_factor: reduce_factor,
+        TOTAL: total * reduce_factor
       }
     end
   end

From 3ea473305ebe188ebe28bf5fd808f765d81728cd Mon Sep 17 00:00:00 2001
From: Mik <info@slnt-opp.xyz>
Date: Thu, 29 Apr 2021 18:37:51 +0200
Subject: [PATCH 2/6] handle unknown billing period

---
 service/objects/vm.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/service/objects/vm.rb b/service/objects/vm.rb
index 04822898..30a5a40c 100644
--- a/service/objects/vm.rb
+++ b/service/objects/vm.rb
@@ -417,6 +417,8 @@ def calculate_showback stime_req, etime_req, _group_by_day = false
         total_billed: total, reduce_factor: reduce_factor,
         TOTAL: total * reduce_factor
       }
+    else
+      raise ShowbackError, ["Unknown BILLING_PERIOD!", bp]
     end
   end
 

From 4de7cac7f5d64ca4d30908c30331d636c6b8e450 Mon Sep 17 00:00:00 2001
From: Mik <info@slnt-opp.xyz>
Date: Thu, 29 Apr 2021 19:16:36 +0200
Subject: [PATCH 3/6] doc

---
 lib/std++/main.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/std++/main.rb b/lib/std++/main.rb
index dc9ce18b..d124ce96 100644
--- a/lib/std++/main.rb
+++ b/lib/std++/main.rb
@@ -19,7 +19,7 @@ def debug_out
 
   # @!group Dev Tools
 
-  # Replaces string keys with symbol keys
+  # Replaces string keys with Symbol keys
   # @return [Hash]
   def to_sym!
     self.keys.each do |key|
@@ -28,7 +28,7 @@ def to_sym!
     self
   end
 
-  # Replaces all keys with string keys
+  # Replaces all keys with String keys
   # @return [Hash]
   def to_s!
     self.keys.each do |key|

From 16e0b5f0f4b8c89a97df2d4bd8cadd6b297c45cb Mon Sep 17 00:00:00 2001
From: Mik <info@slnt-opp.xyz>
Date: Thu, 29 Apr 2021 19:16:53 +0200
Subject: [PATCH 4/6] Hash#keys_to_i! method

---
 lib/std++/main.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/std++/main.rb b/lib/std++/main.rb
index d124ce96..7ac2a4e6 100644
--- a/lib/std++/main.rb
+++ b/lib/std++/main.rb
@@ -37,6 +37,15 @@ def to_s!
     self
   end
 
+  # Converts all keys to Integer
+  # @return [Hash]
+  def keys_to_i!
+    self.keys.each do |key|
+      self[key.to_i] = self.delete key if key.class != Integer
+    end
+    self
+  end
+
   # Returns array of values with given keys
   # @param [Array] keys - Array of values
   # @return [Array]

From 0594dda06762abc23dc5e43e256e1899e9e4edfa Mon Sep 17 00:00:00 2001
From: Mik <info@slnt-opp.xyz>
Date: Thu, 29 Apr 2021 19:32:28 +0200
Subject: [PATCH 5/6] PRE_PAID_REDUCE_FACTOR settings and functionality

---
 core/settings.rb      |  3 ++-
 service/objects/vm.rb | 15 ++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/core/settings.rb b/core/settings.rb
index 70b3eccc..544ea748 100644
--- a/core/settings.rb
+++ b/core/settings.rb
@@ -36,7 +36,8 @@
     ['USERS_DEFAULT_LANG', "en_US", "Default locale for new users", 1, "str"],
     ['VCENTER_CPU_LIMIT_FREQ_PER_CORE', "{\"default\":2000}", "Frequency per Core limit for different Nodes(don't remove default)", 1, "object"],
     ['VCENTER_DRIVES_IOPS', "{\"HDD\":350,\"SSD\":1000}", "IOPs limits for Drive types", 1, "object"],
-    ['VNETS_TEMPLATES', "{}", "VNs Types to VNs Templates mapping(types must be upper case)", 1, "object"]
+    ['VNETS_TEMPLATES', "{}", "VNs Types to VNs Templates mapping(types must be upper case)", 1, "object"],
+    ['PRE_PAID_REDUCE_FACTOR', "{\"0\": 1}", "Reduce factor for Pre-Paid VMs depending on billing period", 1, "object"]
   ]
   required.each do | record |
     begin
diff --git a/service/objects/vm.rb b/service/objects/vm.rb
index 30a5a40c..11655f56 100644
--- a/service/objects/vm.rb
+++ b/service/objects/vm.rb
@@ -397,7 +397,8 @@ def calculate_showback stime_req, etime_req, _group_by_day = false
       }
     elsif bp.include? 'PRE' then
       curr = self['/VM/STIME'].to_i
-      delta = bp.split('_')[1].to_i * 86400
+      period = bp.split('_')[1].to_i
+      delta = period * 86400
 
       total = 0
 
@@ -412,6 +413,18 @@ def calculate_showback stime_req, etime_req, _group_by_day = false
         curr += delta
       end
 
+      reduce_factor = 1
+      reduce_factors = IONe::Settings['PRE_PAID_REDUCE_FACTOR'].keys_to_i!.sort.to_h
+
+      reduce_factors.each do | period_key, factor |
+        if period >= period_key then
+          reduce_factor = factor
+        else
+          break
+        end
+      end
+      reduce_factor = reduce_factor.to_f
+
       return {
         id: id, name: name,
         total_billed: total, reduce_factor: reduce_factor,

From c00201bef08bb47344d25706299cdd620002a8e6 Mon Sep 17 00:00:00 2001
From: Mik <info@slnt-opp.xyz>
Date: Fri, 30 Apr 2021 18:18:20 +0200
Subject: [PATCH 6/6] handle no ars network

---
 service/objects/vn.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/service/objects/vn.rb b/service/objects/vn.rb
index b650cf3e..6d5c0797 100644
--- a/service/objects/vn.rb
+++ b/service/objects/vn.rb
@@ -41,6 +41,8 @@ def ar_pool
     pool = to_hash['VNET']['AR_POOL']['AR']
     if pool.class == Hash then
       return [pool]
+    elsif pool.nil? then
+      return []
     else
       return pool
     end