Files
@ f7326eedf7c1
Branch filter:
Location: symposion_app/registrasion/models/conditions.py - annotation
f7326eedf7c1
17.9 KiB
text/x-python
Makes as many reports under attendee() as possible a QuerysetReport
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 | 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 136c68aa0a6e 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 63fe8196e2ba 63fe8196e2ba 875f736d67c5 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 1333fcdea179 63fe8196e2ba 63fe8196e2ba 136c68aa0a6e 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 1333fcdea179 875f736d67c5 875f736d67c5 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 1333fcdea179 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 1333fcdea179 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 1333fcdea179 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 875f736d67c5 136c68aa0a6e 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 875f736d67c5 f755b130910c 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 1333fcdea179 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 1333fcdea179 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 9c289acadda4 9c289acadda4 e9ebf5da03ea 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 f755b130910c 875f736d67c5 e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea e9ebf5da03ea 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 1333fcdea179 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 875f736d67c5 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 63fe8196e2ba 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e 136c68aa0a6e | import itertools
from . import inventory
from django.contrib.auth.models import Group
from django.core.exceptions import ValidationError
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
from django.utils.translation import ugettext_lazy as _
from model_utils.managers import InheritanceManager
from symposion import proposals
# Condition Types
class TimeOrStockLimitCondition(models.Model):
''' Attributes for a condition that is limited by timespan or a count of
purchased or reserved items.
Attributes:
start_time (Optional[datetime]): When the condition should start being
true.
end_time (Optional[datetime]): When the condition should stop being
true.
limit (Optional[int]): How many items may fall under the condition
the condition until it stops being false -- for all users.
'''
class Meta:
abstract = True
start_time = models.DateTimeField(
null=True,
blank=True,
verbose_name=_("Start time"),
help_text=_("When the condition should start being true"),
)
end_time = models.DateTimeField(
null=True,
blank=True,
verbose_name=_("End time"),
help_text=_("When the condition should stop being true."),
)
limit = models.PositiveIntegerField(
null=True,
blank=True,
verbose_name=_("Limit"),
help_text=_(
"How many times this condition may be applied for all users."
),
)
class VoucherCondition(models.Model):
''' A condition is met when a voucher code is in the current cart. '''
class Meta:
abstract = True
voucher = models.OneToOneField(
inventory.Voucher,
on_delete=models.CASCADE,
verbose_name=_("Voucher"),
db_index=True,
)
class IncludedProductCondition(models.Model):
class Meta:
abstract = True
enabling_products = models.ManyToManyField(
inventory.Product,
verbose_name=_("Including product"),
help_text=_("If one of these products are purchased, this condition "
"is met."),
)
class SpeakerCondition(models.Model):
''' Conditions that are met if a user is a presenter, or copresenter,
of a specific kind of presentation. '''
class Meta:
abstract = True
is_presenter = models.BooleanField(
blank=True,
help_text=_("This condition is met if the user is the primary "
"presenter of a presentation."),
)
is_copresenter = models.BooleanField(
blank=True,
help_text=_("This condition is met if the user is a copresenter of a "
"presentation."),
)
proposal_kind = models.ManyToManyField(
proposals.models.ProposalKind,
help_text=_("The types of proposals that these users may be "
"presenters of."),
)
class GroupMemberCondition(models.Model):
''' Conditions that are met if a user is a member (not declined or
rejected) of a specific django auth group. '''
class Meta:
abstract = True
group = models.ManyToManyField(
Group,
help_text=_("The groups a user needs to be a member of for this"
"condition to be met."),
)
# Discounts
@python_2_unicode_compatible
class DiscountBase(models.Model):
''' Base class for discounts. This class is subclassed with special
attributes which are used to determine whether or not the given discount
is available to be added to the current cart.
Attributes:
description (str): Display text that appears on the attendee's Invoice
when the discount is applied to a Product on that invoice.
'''
class Meta:
app_label = "registrasion"
objects = InheritanceManager()
def __str__(self):
return "Discount: " + self.description
def effects(self):
''' Returns all of the effects of this discount. '''
products = self.discountforproduct_set.all()
categories = self.discountforcategory_set.all()
return itertools.chain(products, categories)
description = models.CharField(
max_length=255,
verbose_name=_("Description"),
help_text=_("A description of this discount. This will be included on "
"invoices where this discount is applied."),
)
@python_2_unicode_compatible
class DiscountForProduct(models.Model):
''' Represents a discount on an individual product. Each Discount can
contain multiple products and categories. Discounts can either be a
percentage or a fixed amount, but not both.
Attributes:
product (inventory.Product): The product that this discount line will
apply to.
percentage (Decimal): The percentage discount that will be *taken off*
this product if this discount applies.
price (Decimal): The currency value that will be *taken off* this
product if this discount applies.
quantity (int): The number of times that each user may apply this
discount line. This applies across every valid Invoice that
the user has.
'''
class Meta:
app_label = "registrasion"
def __str__(self):
if self.percentage:
return "%s%% off %s" % (self.percentage, self.product)
elif self.price:
return "$%s off %s" % (self.price, self.product)
def clean(self):
if self.percentage is None and self.price is None:
raise ValidationError(
_("Discount must have a percentage or a price."))
elif self.percentage is not None and self.price is not None:
raise ValidationError(
_("Discount may only have a percentage or only a price."))
prods = DiscountForProduct.objects.filter(
discount=self.discount,
product=self.product)
cats = DiscountForCategory.objects.filter(
discount=self.discount,
category=self.product.category)
if len(prods) > 1:
raise ValidationError(
_("You may only have one discount line per product"))
if len(cats) != 0:
raise ValidationError(
_("You may only have one discount for "
"a product or its category"))
discount = models.ForeignKey(DiscountBase, on_delete=models.CASCADE)
product = models.ForeignKey(inventory.Product, on_delete=models.CASCADE)
percentage = models.DecimalField(
max_digits=4, decimal_places=1, null=True, blank=True)
price = models.DecimalField(
max_digits=8, decimal_places=2, null=True, blank=True)
quantity = models.PositiveIntegerField()
@python_2_unicode_compatible
class DiscountForCategory(models.Model):
''' Represents a discount for a category of products. Each discount can
contain multiple products. Category discounts can only be a percentage.
Attributes:
category (inventory.Category): The category whose products that this
discount line will apply to.
percentage (Decimal): The percentage discount that will be *taken off*
a product if this discount applies.
quantity (int): The number of times that each user may apply this
discount line. This applies across every valid Invoice that the
user has.
'''
class Meta:
app_label = "registrasion"
def __str__(self):
return "%s%% off %s" % (self.percentage, self.category)
def clean(self):
prods = DiscountForProduct.objects.filter(
discount=self.discount,
product__category=self.category)
cats = DiscountForCategory.objects.filter(
discount=self.discount,
category=self.category)
if len(prods) != 0:
raise ValidationError(
_("You may only have one discount for "
"a product or its category"))
if len(cats) > 1:
raise ValidationError(
_("You may only have one discount line per category"))
discount = models.ForeignKey(DiscountBase, on_delete=models.CASCADE)
category = models.ForeignKey(inventory.Category, on_delete=models.CASCADE)
percentage = models.DecimalField(
max_digits=4,
decimal_places=1)
quantity = models.PositiveIntegerField()
class TimeOrStockLimitDiscount(TimeOrStockLimitCondition, DiscountBase):
''' Discounts that are generally available, but are limited by timespan or
usage count. This is for e.g. Early Bird discounts.
Attributes:
start_time (Optional[datetime]): When the discount should start being
offered.
end_time (Optional[datetime]): When the discount should stop being
offered.
limit (Optional[int]): How many times the discount is allowed to be
applied -- to all users.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("discount (time/stock limit)")
verbose_name_plural = _("discounts (time/stock limit)")
class VoucherDiscount(VoucherCondition, DiscountBase):
''' Discounts that are enabled when a voucher code is in the current
cart. These are normally configured in the Admin page at the same time as
creating a Voucher object.
Attributes:
voucher (inventory.Voucher): The voucher that enables this discount.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("discount (enabled by voucher)")
verbose_name_plural = _("discounts (enabled by voucher)")
class IncludedProductDiscount(IncludedProductCondition, DiscountBase):
''' Discounts that are enabled because another product has been purchased.
e.g. A conference ticket includes a free t-shirt.
Attributes:
enabling_products ([inventory.Product, ...]): The products that enable
the discount.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("discount (product inclusions)")
verbose_name_plural = _("discounts (product inclusions)")
class SpeakerDiscount(SpeakerCondition, DiscountBase):
''' Discounts that are enabled because the user is a presenter or
co-presenter of a kind of presentation.
Attributes:
is_presenter (bool): The condition should be met if the user is a
presenter of a presentation.
is_copresenter (bool): The condition should be met if the user is a
copresenter of a presentation.
proposal_kind ([symposion.proposals.models.ProposalKind, ...]): The
kinds of proposals that the user may be a presenter or
copresenter of for this condition to be met.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("discount (speaker)")
verbose_name_plural = _("discounts (speaker)")
class GroupMemberDiscount(GroupMemberCondition, DiscountBase):
''' Discounts that are enabled because the user is a member of a specific
django auth Group.
Attributes:
group ([Group, ...]): The condition should be met if the user is a
member of one of these groups.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("discount (group member)")
verbose_name_plural = _("discounts (group member)")
# Flags
@python_2_unicode_compatible
class FlagBase(models.Model):
''' This defines a condition which allows products or categories to
be made visible, or be prevented from being visible.
Attributes:
description (str): A human-readable description that is used to
identify the flag to staff in the admin interface. It's not seen
anywhere else in Registrasion.
condition (int): This determines the effect of this flag's condition
being met. There are two types of condition:
``ENABLE_IF_TRUE`` conditions switch on the products and
categories included under this flag if *any* such condition is met.
``DISABLE_IF_FALSE`` conditions *switch off* the products and
categories included under this flag is any such condition
*is not* met.
If you have both types of conditions attached to a Product, every
``DISABLE_IF_FALSE`` condition must be met, along with one
``ENABLE_IF_TRUE`` condition.
products ([inventory.Product, ...]):
The Products affected by this flag.
categories ([inventory.Category, ...]):
The Categories whose Products are affected by this flag.
'''
objects = InheritanceManager()
DISABLE_IF_FALSE = 1
ENABLE_IF_TRUE = 2
def __str__(self):
return self.description
def effects(self):
''' Returns all of the items affected by this condition. '''
return itertools.chain(self.products.all(), self.categories.all())
@property
def is_disable_if_false(self):
return self.condition == FlagBase.DISABLE_IF_FALSE
@property
def is_enable_if_true(self):
return self.condition == FlagBase.ENABLE_IF_TRUE
description = models.CharField(max_length=255)
condition = models.IntegerField(
default=ENABLE_IF_TRUE,
choices=(
(DISABLE_IF_FALSE, _("Disable if false")),
(ENABLE_IF_TRUE, _("Enable if true")),
),
help_text=_("If there is at least one 'disable if false' flag "
"defined on a product or category, all such flag "
" conditions must be met. If there is at least one "
"'enable if true' flag, at least one such condition must "
"be met. If both types of conditions exist on a product, "
"both of these rules apply."
),
)
products = models.ManyToManyField(
inventory.Product,
blank=True,
help_text=_("Products affected by this flag's condition."),
related_name="flagbase_set",
)
categories = models.ManyToManyField(
inventory.Category,
blank=True,
help_text=_("Categories whose products are affected by this flag's "
"condition."
),
related_name="flagbase_set",
)
class TimeOrStockLimitFlag(TimeOrStockLimitCondition, FlagBase):
''' Product groupings that can be used to enable a product during a
specific date range, or when fewer than a limit of products have been
sold.
Attributes:
start_time (Optional[datetime]): This condition is only met after this
time.
end_time (Optional[datetime]): This condition is only met before this
time.
limit (Optional[int]): The number of products that *all users* can
purchase under this limit, regardless of their per-user limits.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("flag (time/stock limit)")
verbose_name_plural = _("flags (time/stock limit)")
@python_2_unicode_compatible
class ProductFlag(IncludedProductCondition, FlagBase):
''' The condition is met because a specific product is purchased.
Attributes:
enabling_products ([inventory.Product, ...]): The products that cause
this condition to be met.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("flag (dependency on product)")
verbose_name_plural = _("flags (dependency on product)")
def __str__(self):
return "Enabled by products: " + str(self.enabling_products.all())
@python_2_unicode_compatible
class CategoryFlag(FlagBase):
''' The condition is met because a product in a particular product is
purchased.
Attributes:
enabling_category (inventory.Category): The category that causes this
condition to be met.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("flag (dependency on product from category)")
verbose_name_plural = _("flags (dependency on product from category)")
def __str__(self):
return "Enabled by product in category: " + str(self.enabling_category)
enabling_category = models.ForeignKey(
inventory.Category,
help_text=_("If a product from this category is purchased, this "
"condition is met."),
)
@python_2_unicode_compatible
class VoucherFlag(VoucherCondition, FlagBase):
''' The condition is met because a Voucher is present. This is for e.g.
enabling sponsor tickets. '''
class Meta:
app_label = "registrasion"
verbose_name = _("flag (dependency on voucher)")
verbose_name_plural = _("flags (dependency on voucher)")
def __str__(self):
return "Enabled by voucher: %s" % self.voucher
class SpeakerFlag(SpeakerCondition, FlagBase):
''' Conditions that are enabled because the user is a presenter or
co-presenter of a kind of presentation.
Attributes:
is_presenter (bool): The condition should be met if the user is a
presenter of a presentation.
is_copresenter (bool): The condition should be met if the user is a
copresenter of a presentation.
proposal_kind ([symposion.proposals.models.ProposalKind, ...]): The
kinds of proposals that the user may be a presenter or
copresenter of for this condition to be met.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("flag (speaker)")
verbose_name_plural = _("flags (speaker)")
class GroupMemberFlag(GroupMemberCondition, FlagBase):
''' Flag whose conditions are metbecause the user is a member of a specific
django auth Group.
Attributes:
group ([Group, ...]): The condition should be met if the user is a
member of one of these groups.
'''
class Meta:
app_label = "registrasion"
verbose_name = _("flag (group member)")
verbose_name_plural = _("flags (group member)")
|