Fixed BillEntry
[aquarium] / src / main / scala / gr / grnet / aquarium / charging / bill / BillEntry.scala
1 package gr.grnet.aquarium.charging.bill
2
3 import gr.grnet.aquarium.charging.state.WorkingUserState
4 import gr.grnet.aquarium.util.json.JsonSupport
5 import com.ckkloverdos.resource.FileStreamResource
6 import java.io.File
7 import com.ckkloverdos.props.Props
8 import gr.grnet.aquarium.converter.{CompactJsonTextFormat, PrettyJsonTextFormat, StdConverters}
9 import gr.grnet.aquarium.{Aquarium, ResourceLocator, AquariumBuilder}
10 import gr.grnet.aquarium.store.memory.MemStoreProvider
11 import gr.grnet.aquarium.converter.StdConverters._
12 import scala._
13 import gr.grnet.aquarium.logic.accounting.dsl.Timeslot
14 import java.util.concurrent.atomic.AtomicLong
15 import java.util.{Date, Calendar, GregorianCalendar}
16 import gr.grnet.aquarium.charging.wallet.WalletEntry
17 import scala.collection.parallel.mutable
18 import scala.collection.mutable.ListBuffer
19 import gr.grnet.aquarium.Aquarium.EnvKeys
20 import gr.grnet.aquarium.charging.Chargeslot
21 import scala.collection.immutable.TreeMap
22 import scala.Some
23 import gr.grnet.aquarium.charging.Chargeslot
24
25
26 /*
27 * Copyright 2011-2012 GRNET S.A. All rights reserved.
28 *
29 * Redistribution and use in source and binary forms, with or
30 * without modification, are permitted provided that the following
31 * conditions are met:
32 *
33 *   1. Redistributions of source code must retain the above
34 *      copyright notice, this list of conditions and the following
35 *      disclaimer.
36 *
37 *   2. Redistributions in binary form must reproduce the above
38 *      copyright notice, this list of conditions and the following
39 *      disclaimer in the documentation and/or other materials
40 *      provided with the distribution.
41 *
42 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
43 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
44 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
46 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
49 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
50 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
52 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
53 * POSSIBILITY OF SUCH DAMAGE.
54 *
55 * The views and conclusions contained in the software and
56 * documentation are those of the authors and should not be
57 * interpreted as representing official policies, either expressed
58 * or implied, of GRNET S.A.
59 */
60
61
62 /*
63 * @author Prodromos Gerakios <pgerakios@grnet.gr>
64 */
65
66 case class ChargeEntry(val id:String,
67                        val unitPrice:String,
68                        val startTime:String,
69                        val endTime:String,
70                        val ellapsedTime:String,
71                        val credits:String)
72   extends JsonSupport {}
73
74
75 class EventEntry(val eventType : String,
76                  val details   : List[ChargeEntry])
77  extends JsonSupport {}
78
79
80 case class ResourceEntry(val resourceName : String,
81                          val resourceType : String,
82                          val unitName : String,
83                          val totalCredits : String,
84                          val details : List[EventEntry])
85 extends JsonSupport {}
86
87
88 abstract class AbstractBillEntry
89  extends JsonSupport {}
90
91 class BillEntry(val id:String,
92                 val userID : String,
93                 val status : String,
94                 val remainingCredits:String,
95                 val deductedCredits:String,
96                 val startTime:String,
97                 val endTime:String,
98                 val bill:List[ResourceEntry]
99               )
100  extends AbstractBillEntry {}
101
102
103 object AbstractBillEntry {
104
105   private[this] val counter = new AtomicLong(0L)
106   private[this] def nextUIDObject() = counter.getAndIncrement
107
108   /*private[this] def walletTimeslot(i:WalletEntry) : Timeslot = {
109     val cal = new GregorianCalendar
110     cal.set(i.billingYear,i.billingMonth,1)
111     val dstart = cal.getTime
112     val lastDate = cal.getActualMaximum(Calendar.DATE)
113     cal.set(Calendar.DATE, lastDate)
114     val dend = cal.getTime
115    Timeslot(dstart,dend)
116   } */
117
118   private[this] def toChargeEntry(c:Chargeslot) : ChargeEntry = {
119     val unitPrice = c.unitPrice.toString
120     val startTime = c.startMillis.toString
121     val endTime   = c.stopMillis.toString
122     val difTime   = (c.stopMillis - c.startMillis).toString
123     val credits   = c.creditsToSubtract.toString
124     new ChargeEntry(counter.getAndIncrement.toString,unitPrice,
125                     startTime,endTime,difTime,credits)
126   }
127
128   private[this] def toEventEntry(eventType:String,c:Chargeslot) : EventEntry =
129     new EventEntry(eventType,List(toChargeEntry(c)))
130
131
132   private[this] def toResourceEntry(w:WalletEntry) : ResourceEntry = {
133     assert(w.sumOfCreditsToSubtract==0.0 || w.chargslotCount > 0)
134     val rcName = w.currentResourceEvent.clientID match {
135             case "pithos" =>
136               w.currentResourceEvent.details("path")
137             case _ =>
138               w.currentResourceEvent.instanceID
139         }
140     val rcType =  w.resourceType.name
141     val rcUnitName = w.resourceType.unit
142     val eventEntry = new ListBuffer[EventEntry]
143     val credits = w.sumOfCreditsToSubtract
144     val eventType = //TODO: This is hardcoded; find a better solution
145         w.currentResourceEvent.clientID match {
146           case "pithos" =>
147             val action = w.currentResourceEvent.details("action")
148             val path = w.currentResourceEvent.details("path")
149             "%s@%s".format(action,path)
150           case "cyclades" =>
151             w.currentResourceEvent.value.toInt match {
152               case 0 => // OFF
153                   "offOn"
154               case 1 =>  // ON
155                  "onOff"
156               case 2 =>
157                  "destroy"
158               case _ =>
159                  "BUG"
160             }
161           case "astakos" =>
162             "once"
163         }
164
165     for { c <- w.chargeslots }{
166       if(c.creditsToSubtract != 0.0) {
167         //Console.err.println("c.creditsToSubtract : " + c.creditsToSubtract)
168         eventEntry += toEventEntry(eventType.toString,c)
169         //credits += c.creditsToSubtract
170       }
171     }
172     //Console.err.println("TOTAL resource event credits: " + credits)
173     new ResourceEntry(rcName,rcType,rcUnitName,credits.toString,eventEntry.toList)
174   }
175
176   private[this] def resourceEntriesAt(t:Timeslot,w:WorkingUserState) : (List[ResourceEntry],Double) = {
177     val ret = new ListBuffer[ResourceEntry]
178     var sum = 0.0
179     //Console.err.println("Wallet entries: " + w.walletEntries)
180     val walletEntries = w.walletEntries
181     for { i <- walletEntries} {
182       if(t.contains(i.referenceTimeslot) && i.sumOfCreditsToSubtract != 0.0){
183         //Console.err.println("i.sumOfCreditsToSubtract : " + i.sumOfCreditsToSubtract)
184         if(i.sumOfCreditsToSubtract > 0.0D) sum += i.sumOfCreditsToSubtract
185         ret += toResourceEntry(i)
186       } else {
187         //Console.err.println("WALLET ENTERY : " + i + "\n" +
188         //             t + "  does not contain " +  i.referenceTimeslot + "  !!!!")
189       }
190     }
191     (ret.toList,sum)
192   }
193
194   private[this] def aggregateResourceEntries(re:List[ResourceEntry]) : List[ResourceEntry] = {
195     def addResourceEntries(a:ResourceEntry,b:ResourceEntry) : ResourceEntry = {
196       assert(a.resourceName == b.resourceName)
197       val totalCredits = (a.totalCredits.toDouble+b.totalCredits.toDouble).toString
198       a.copy(a.resourceName,a.resourceType,a.unitName,totalCredits,a.details ::: b.details)
199     }
200     re.foldLeft(TreeMap[String,ResourceEntry]()){ (map,r1) =>
201       map.get(r1.resourceName) match {
202         case None => map + ((r1.resourceName,r1))
203         case Some(r0) => (map - r0.resourceName) +
204                          ((r0.resourceName, addResourceEntries(r0,r1)))
205       }
206     }.values.toList
207   }
208
209   def fromWorkingUserState(t:Timeslot,userID:String,w:Option[WorkingUserState]) : AbstractBillEntry = {
210     val ret = w match {
211       case None =>
212           new BillEntry(counter.getAndIncrement.toString,
213                         userID,"processing",
214                         "0.0",
215                         "0.0",
216                         t.from.getTime.toString,t.to.getTime.toString,
217                         Nil)
218       case Some(w) =>
219         val (rcEntries,rcEntriesCredits) = resourceEntriesAt(t,w)
220         val resMap = aggregateResourceEntries(rcEntries)
221         new BillEntry(counter.getAndIncrement.toString,
222                       userID,"ok",
223                       w.totalCredits.toString,
224                       rcEntriesCredits.toString,
225                       t.from.getTime.toString,t.to.getTime.toString,
226                       resMap)
227     }
228     //Console.err.println("JSON: " +  ret.toJsonString)
229     ret
230   }
231
232   val jsonSample = "{\n  \"id\":\"2\",\n  \"userID\":\"loverdos@grnet.gr\",\n  \"status\":\"ok\",\n  \"remainingCredits\":\"3130.0000027777783\",\n  \"deductedCredits\":\"5739.9999944444435\",\n  \"startTime\":\"1341090000000\",\n  \"endTime\":\"1343768399999\",\n  \"bill\":[{\n    \"resourceName\":\"diskspace\",\n    \"resourceType\":\"diskspace\",\n    \"unitName\":\"MB/Hr\",\n    \"totalCredits\":\"2869.9999972222217\",\n    \"eventType\":\"object update@/Papers/GOTO_HARMFUL.PDF\",\n\t    \"details\":[\n\t     {\"totalCredits\":\"2869.9999972222217\",\n\t      \"details\":[{\n\t      \"id\":\"0\",\n\t      \"unitPrice\":\"0.01\",\n\t      \"startTime\":\"1342735200000\",\n\t      \"endTime\":\"1343768399999\",\n\t      \"ellapsedTime\":\"1033199999\",\n\t      \"credits\":\"2869.9999972222217\"\n\t    \t}]\n\t    }\n\t  ]\n  },{\n    \"resourceName\":\"diskspace\",\n    \"resourceType\":\"diskspace\",\n    \"unitName\":\"MB/Hr\",\n    \"totalCredits\":\"2869.9999972222217\",\n    \"eventType\":\"object update@/Papers/GOTO_HARMFUL.PDF\",\n    \"details\":[\t     {\"totalCredits\":\"2869.9999972222217\",\n\t      \"details\":[{\n\t      \"id\":\"0\",\n\t      \"unitPrice\":\"0.01\",\n\t      \"startTime\":\"1342735200000\",\n\t      \"endTime\":\"1343768399999\",\n\t      \"ellapsedTime\":\"1033199999\",\n\t      \"credits\":\"2869.9999972222217\"\n\t    \t}]\n\t    }\n\t]\n  }]\n}"
233
234   def main0(args: Array[String]) = {
235      val b : BillEntry = StdConverters.AllConverters.convertEx[BillEntry](CompactJsonTextFormat(jsonSample))
236      val l0 = b.bill
237      val l1 = aggregateResourceEntries(l0)
238
239      Console.err.println("Initial resources: ")
240      for{ i <- l0 } Console.err.println("RESOURCE: " + i.toJsonString)
241     Console.err.println("Aggregate resources: ")
242     for{ a <- l1 } {
243       Console.err.println("RESOURCE:  %s\n  %s\nEND RESOURCE".format(a.resourceName,a.toJsonString))
244     }
245
246     val aggr = new BillEntry(b.id,b.userID,b.status,b.remainingCredits,b.deductedCredits,b.startTime,b.endTime,l1)
247     Console.err.println("Aggregate:\n" + aggr.toJsonString)
248   }
249
250   //
251   def main(args: Array[String]) = {
252     //Console.err.println("JSON: " +  (new BillEntry).toJsonString)
253     val propsfile = new FileStreamResource(new File("aquarium.properties"))
254     var _props: Props = Props(propsfile)(StdConverters.AllConverters).getOr(Props()(StdConverters.AllConverters))
255     val aquarium = new AquariumBuilder(_props, ResourceLocator.DefaultPolicyModel).
256       update(Aquarium.EnvKeys.storeProvider, new MemStoreProvider).
257       update(Aquarium.EnvKeys.eventsStoreFolder,Some(new File(".."))).
258       build()
259     aquarium.start()
260     ()
261   }
262 }