Proposal to move Promise shim-layer code to a new deprecated folder

[promise.git] / deprecated / source / spec / promise-module.coffee

diff --git a/deprecated/source/spec/promise-module.coffee b/deprecated/source/spec/promise-module.coffee
new file mode 100644 (file)
index 0000000..f021f6c
--- /dev/null
+++ b/deprecated/source/spec/promise-module.coffee
@@ -0,0 +1,80 @@
+#
+# Author: Peter K. Lee (peter@corenova.com)
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+module.exports =
+  '/opnfv-promise/promise/capacity/total': (prev) ->
+    @computed (->
+      combine = (a, b) ->
+        for k, v of b.capacity when v?
+          a[k] ?= 0
+          a[k] += v
+        return a
+      (@parent.get 'pools')
+      .filter (entry) -> entry.active is true
+      .reduce combine, {}
+    ), type: prev
+
+  '/opnfv-promise/promise/capacity/reserved', (prev) ->
+    @computed (->
+      combine = (a, b) ->
+        for k, v of b.capacity when v?
+          a[k] ?= 0
+          a[k] += v
+        return a
+      (@parent.get 'reservations')
+      .filter (entry) -> entry.active is true
+      .reduce combine, {}
+    ), type: prev
+
+  # rebind to be a computed property
+  '/opnfv-promise/promise/capacity/usage': (prev) ->
+    @computed (->
+      combine = (a, b) ->
+        for k, v of b.capacity when v?
+          a[k] ?= 0
+          a[k] += v
+        return a
+      (@parent.get 'allocations')
+      .filter (entry) -> entry.active is true
+      .reduce combine, {}
+    ), type: prev
+
+  # rebind to be a computed property
+  '/opnfv-promise/promise/capacity/available': (prev) ->
+    @computed (->
+      total = @get 'total'
+      reserved = @get 'reserved'
+      usage = @get 'usage'
+      for k, v of total when v?
+        total[k] -= reserved[k] if reserved[k]?
+        total[k] -= usage[k] if usage[k]?
+      total
+    ), type: prev
+
+  '/opnfv-promise/create-reservation':
+    (input, output, done) ->
+      # 1. create the reservation record (empty)
+      reservation = @create 'ResourceReservation'
+      reservations = @access 'promise.reservations'
+
+      # 2. update the record with requested input
+      reservation.invoke 'update', input.get()
+      .then (res) ->
+        # 3. save the record and add to list
+        res.save()
+        .then ->
+          reservations.push res
+          output.set result: 'ok', message: 'reservation request accepted'
+          output.set 'reservation-id', res.id
+          done()
+        .catch (err) ->
+          output.set result: 'error', message: err
+          done()
+      .catch (err) ->
+        output.set result: 'conflict', message: err
+        done()