From 0356ec34ae3b4f81f71185c158faa0919bd80cc8 Mon Sep 17 00:00:00 2001
From: Ludovic Stephan <ludovic.stephan@ens.fr>
Date: Sun, 19 Mar 2017 16:03:19 -0300
Subject: [PATCH] Add createopes command

---
 kfet/management/commands/createopes.py | 173 +++++++++++++++++++++++++
 1 file changed, 173 insertions(+)
 create mode 100644 kfet/management/commands/createopes.py

diff --git a/kfet/management/commands/createopes.py b/kfet/management/commands/createopes.py
new file mode 100644
index 00000000..aaca84c7
--- /dev/null
+++ b/kfet/management/commands/createopes.py
@@ -0,0 +1,173 @@
+
+"""
+Crée des opérations aléatoires réparties sur une période de temps spécifiée
+"""
+
+import random
+from datetime import timedelta
+from decimal import Decimal
+from django.utils import timezone
+from django.core.management.base import BaseCommand
+
+from kfet.models import (Account, Article, OperationGroup, Operation,
+                         Checkout, Transfer, TransferGroup)
+
+
+class Command(BaseCommand):
+    help = "Crée des opérations réparties uniformément sur une période de temps"
+
+    def add_arguments(self, parser):
+        # Nombre d'opérations à créer
+        parser.add_argument('opes', type=int,
+                            help='Number of opegroups to create')
+
+        # Période sur laquelle créer (depuis num_days avant maintenant)
+        parser.add_argument('days', type=int,
+                            help='Period in which to create opegroups')
+
+        # Optionnel : nombre de transfert à créer (défaut 0)
+        parser.add_argument('--transfers', type=int, default=0,
+                            help='Number of transfers to create (default 0)')
+
+
+    def handle(self, *args, **options):
+
+        self.stdout.write("Génération d'opérations")
+
+        # Output log vars
+        opes_created = 0
+        purchases = 0
+        transfers = 0
+
+        num_ops = options['opes']
+        num_transfers = options['transfers']
+        # Convert to seconds
+        time = options['days'] * 24 * 3600
+
+        checkout = Checkout.objects.first()
+        articles = Article.objects.all()
+        accounts = Account.objects.exclude(trigramme='LIQ')
+        liq_account = Account.objects.get(trigramme='LIQ')
+        try:
+            con_account = Account.objects.get(
+                cofprofile__user__first_name='Assurancetourix'
+            )
+        except Account.DoesNotExist:
+            con_account = random.choice(accounts)
+
+        for i in range(num_ops):
+
+            # Randomly pick account
+            if random.random() > 0.25:
+                account = random.choice(accounts)
+            else:
+                account = liq_account
+
+            # Randomly pick time
+            at = timezone.now() - timedelta(
+                seconds=random.randint(0, time))
+
+            # Majoration sur compte 'concert'
+            if random.random() < 0.2:
+                addcost = True
+                addcost_for = con_account
+                addcost_amount = Decimal('0.5')
+            else:
+                addcost = False
+
+            # Initialize opegroup amount
+            amount = Decimal('0')
+
+            opegroup = OperationGroup(
+                on_acc=account,
+                checkout=checkout,
+                is_cof=account.cofprofile.is_cof
+            )
+            opegroup.save()
+
+            # Generating operations
+            for j in range(random.randint(1, 4)):
+                # Operation type
+                typevar = random.random()
+
+                # 0.1 probability to have a charge
+                if typevar > 0.9 and account != liq_account:
+                    ope = Operation(
+                        group=opegroup,
+                        type=Operation.DEPOSIT,
+                        is_checkout=(random.random() > 0.2),
+                        amount=Decimal(random.randint(1, 99)/10)
+                    )
+                # 0.1 probability to have a withdrawal
+                elif typevar > 0.8 and account != liq_account:
+                    ope = Operation(
+                        group=opegroup,
+                        type=Operation.WITHDRAW,
+                        is_checkout=(random.random() > 0.2),
+                        amount=-Decimal(random.randint(1, 99)/10)
+                    )
+                else:
+                    article = random.choice(articles)
+                    nb = random.randint(1, 5)
+
+                    ope = Operation(
+                        group=opegroup,
+                        type=Operation.PURCHASE,
+                        amount=-article.price*nb,
+                        article=article,
+                        article_nb=nb
+                    )
+
+                    purchases += 1
+
+                    if addcost:
+                        ope.addcost_for = addcost_for
+                        ope.addcost_amount = addcost_amount * nb
+                        ope.amount -= ope.addcost_amount
+
+                opes_created += 1
+                ope.save()
+                amount += ope.amount
+
+            opegroup.amount = amount
+            opegroup.at = at
+            opegroup.save()
+
+        # Transfer generation
+        for i in range(num_transfers):
+
+            # Randomly pick time
+            at = timezone.now() - timedelta(
+                seconds=random.randint(0, time))
+
+            # Choose whether to have a comment
+            if random.random() > 0.5:
+                comment = "placeholder comment"
+            else:
+                comment = ""
+
+            transfergroup = TransferGroup(
+                at=at,
+                comment=comment,
+                valid_by=random.choice(accounts)
+            )
+            transfergroup.save()
+
+            # Randomly generate transfer
+            for i in range(random.randint(1, 4)):
+                transfer = Transfer(
+                    group=transfergroup,
+                    from_acc=random.choice(accounts),
+                    to_acc=random.choice(accounts),
+                    amount=Decimal(random.randint(1, 99)/10)
+                )
+                transfer.save()
+                transfers += 1
+
+        self.stdout.write(
+            "- {:d} opérations créées dont {:d} commandes d'articles"
+            .format(opes_created, purchases))
+
+        if transfers:
+            self.stdout.write("- {:d} transferts créés"
+                              .format(transfers))