app/models.py

   1 # ContentDB
   2 # Copyright (C) 2018  rubenwardy
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17
  18 import enum, datetime
  19
  20 from app import app, gravatar
  21 from urllib.parse import urlparse
  22
  23 from flask import Flask, url_for
  24 from flask_sqlalchemy import SQLAlchemy, BaseQuery
  25 from flask_migrate import Migrate
  26 from flask_user import login_required, UserManager, UserMixin
  27 from sqlalchemy import func, CheckConstraint
  28 from sqlalchemy_searchable import SearchQueryMixin
  29 from sqlalchemy_utils.types import TSVectorType
  30 from sqlalchemy_searchable import make_searchable
  31
  32
  33 # Initialise database
  34 db = SQLAlchemy(app)
  35 migrate = Migrate(app, db)
  36 make_searchable(db.metadata)
  37
  38
  39 class ArticleQuery(BaseQuery, SearchQueryMixin):
  40         pass
  41
  42
  43 class UserRank(enum.Enum):
  44         BANNED         = 0
  45         NOT_JOINED     = 1
  46         NEW_MEMBER     = 2
  47         MEMBER         = 3
  48         TRUSTED_MEMBER = 4
  49         EDITOR         = 5
  50         MODERATOR      = 6
  51         ADMIN          = 7
  52
  53         def atLeast(self, min):
  54                 return self.value >= min.value
  55
  56         def getTitle(self):
  57                 return self.name.replace("_", " ").title()
  58
  59         def toName(self):
  60                 return self.name.lower()
  61
  62         def __str__(self):
  63                 return self.name
  64
  65         @classmethod
  66         def choices(cls):
  67                 return [(choice, choice.getTitle()) for choice in cls]
  68
  69         @classmethod
  70         def coerce(cls, item):
  71                 return item if type(item) == UserRank else UserRank[item]
  72
  73
  74 class Permission(enum.Enum):
  75         EDIT_PACKAGE       = "EDIT_PACKAGE"
  76         APPROVE_CHANGES    = "APPROVE_CHANGES"
  77         DELETE_PACKAGE     = "DELETE_PACKAGE"
  78         CHANGE_AUTHOR      = "CHANGE_AUTHOR"
  79         CHANGE_NAME        = "CHANGE_NAME"
  80         MAKE_RELEASE       = "MAKE_RELEASE"
  81         DELETE_RELEASE     = "DELETE_RELEASE"
  82         ADD_SCREENSHOTS    = "ADD_SCREENSHOTS"
  83         REIMPORT_META      = "REIMPORT_META"
  84         APPROVE_SCREENSHOT = "APPROVE_SCREENSHOT"
  85         APPROVE_RELEASE    = "APPROVE_RELEASE"
  86         APPROVE_NEW        = "APPROVE_NEW"
  87         EDIT_TAGS          = "EDIT_TAGS"
  88         CREATE_TAG         = "CREATE_TAG"
  89         CHANGE_RELEASE_URL = "CHANGE_RELEASE_URL"
  90         CHANGE_USERNAMES   = "CHANGE_USERNAMES"
  91         CHANGE_RANK        = "CHANGE_RANK"
  92         CHANGE_EMAIL       = "CHANGE_EMAIL"
  93         EDIT_EDITREQUEST   = "EDIT_EDITREQUEST"
  94         SEE_THREAD         = "SEE_THREAD"
  95         CREATE_THREAD      = "CREATE_THREAD"
  96         COMMENT_THREAD     = "COMMENT_THREAD"
  97         LOCK_THREAD        = "LOCK_THREAD"
  98         DELETE_REPLY       = "DELETE_REPLY"
  99         EDIT_REPLY         = "EDIT_REPLY"
 100         UNAPPROVE_PACKAGE  = "UNAPPROVE_PACKAGE"
 101         TOPIC_DISCARD      = "TOPIC_DISCARD"
 102         CREATE_TOKEN       = "CREATE_TOKEN"
 103         EDIT_MAINTAINERS   = "EDIT_MAINTAINERS"
 104         CHANGE_PROFILE_URLS = "CHANGE_PROFILE_URLS"
 105
 106         # Only return true if the permission is valid for *all* contexts
 107         # See Package.checkPerm for package-specific contexts
 108         def check(self, user):
 109                 if not user.is_authenticated:
 110                         return False
 111
 112                 if self == Permission.APPROVE_NEW or \
 113                                 self == Permission.APPROVE_CHANGES    or \
 114                                 self == Permission.APPROVE_RELEASE    or \
 115                                 self == Permission.APPROVE_SCREENSHOT or \
 116                                 self == Permission.EDIT_TAGS or \
 117                                 self == Permission.CREATE_TAG or \
 118                                 self == Permission.SEE_THREAD:
 119                         return user.rank.atLeast(UserRank.EDITOR)
 120                 else:
 121                         raise Exception("Non-global permission checked globally. Use Package.checkPerm or User.checkPerm instead.")
 122
 123         @staticmethod
 124         def checkPerm(user, perm):
 125                 if type(perm) == str:
 126                         perm = Permission[perm]
 127                 elif type(perm) != Permission:
 128                         raise Exception("Unknown permission given to Permission.check")
 129
 130                 return perm.check(user)
 131
 132 def display_name_default(context):
 133     return context.get_current_parameters()["username"]
 134
 135 class User(db.Model, UserMixin):
 136         id           = db.Column(db.Integer, primary_key=True)
 137
 138         # User authentication information
 139         username     = db.Column(db.String(50, collation="NOCASE"), nullable=False, unique=True, index=True)
 140         password     = db.Column(db.String(255), nullable=False, server_default="")
 141         reset_password_token = db.Column(db.String(100), nullable=False, server_default="")
 142
 143         rank         = db.Column(db.Enum(UserRank))
 144
 145         # Account linking
 146         github_username = db.Column(db.String(50, collation="NOCASE"), nullable=True, unique=True)
 147         forums_username = db.Column(db.String(50, collation="NOCASE"), nullable=True, unique=True)
 148
 149         # Access token for webhook setup
 150         github_access_token = db.Column(db.String(50), nullable=True, server_default=None)
 151
 152         # User email information
 153         email         = db.Column(db.String(255), nullable=True, unique=True)
 154         email_confirmed_at  = db.Column(db.DateTime())
 155
 156         # User information
 157         profile_pic   = db.Column(db.String(255), nullable=True, server_default=None)
 158         active        = db.Column("is_active", db.Boolean, nullable=False, server_default="0")
 159         display_name  = db.Column(db.String(100), nullable=False, default=display_name_default)
 160
 161         # Links
 162         website_url   = db.Column(db.String(255), nullable=True, default=None)
 163         donate_url    = db.Column(db.String(255), nullable=True, default=None)
 164
 165         # Content
 166         notifications = db.relationship("Notification", primaryjoin="User.id==Notification.user_id")
 167
 168         packages      = db.relationship("Package", backref=db.backref("author", lazy="joined"), lazy="dynamic")
 169         requests      = db.relationship("EditRequest", backref="author", lazy="dynamic")
 170         threads       = db.relationship("Thread", backref="author", lazy="dynamic")
 171         tokens        = db.relationship("APIToken", backref="owner", lazy="dynamic")
 172         replies       = db.relationship("ThreadReply", backref="author", lazy="dynamic")
 173
 174         def __init__(self, username=None, active=False, email=None, password=""):
 175                 self.username = username
 176                 self.email_confirmed_at = datetime.datetime.now() - datetime.timedelta(days=6000)
 177                 self.display_name = username
 178                 self.active = active
 179                 self.email = email
 180                 self.password = password
 181                 self.rank = UserRank.NOT_JOINED
 182
 183         def hasPassword(self):
 184                 return self.password != ""
 185
 186         def canAccessTodoList(self):
 187                 return Permission.APPROVE_NEW.check(self) or \
 188                                 Permission.APPROVE_RELEASE.check(self) or \
 189                                 Permission.APPROVE_CHANGES.check(self)
 190
 191         def isClaimed(self):
 192                 return self.rank.atLeast(UserRank.NEW_MEMBER)
 193
 194         def getProfilePicURL(self):
 195                 if self.profile_pic:
 196                         return self.profile_pic
 197                 else:
 198                         return gravatar(self.email or "")
 199
 200         def checkPerm(self, user, perm):
 201                 if not user.is_authenticated:
 202                         return False
 203
 204                 if type(perm) == str:
 205                         perm = Permission[perm]
 206                 elif type(perm) != Permission:
 207                         raise Exception("Unknown permission given to User.checkPerm()")
 208
 209                 # Members can edit their own packages, and editors can edit any packages
 210                 if perm == Permission.CHANGE_AUTHOR:
 211                         return user.rank.atLeast(UserRank.EDITOR)
 212                 elif perm == Permission.CHANGE_RANK or perm == Permission.CHANGE_USERNAMES:
 213                         return user.rank.atLeast(UserRank.MODERATOR)
 214                 elif perm == Permission.CHANGE_EMAIL or perm == Permission.CHANGE_PROFILE_URLS:
 215                         return user == self or user.rank.atLeast(UserRank.ADMIN)
 216                 elif perm == Permission.CREATE_TOKEN:
 217                         if user == self:
 218                                 return user.rank.atLeast(UserRank.MEMBER)
 219                         else:
 220                                 return user.rank.atLeast(UserRank.MODERATOR) and user.rank.atLeast(self.rank)
 221                 else:
 222                         raise Exception("Permission {} is not related to users".format(perm.name))
 223
 224         def canCommentRL(self):
 225                 factor = 1
 226                 if self.rank.atLeast(UserRank.ADMIN):
 227                         return True
 228                 elif self.rank.atLeast(UserRank.TRUSTED_MEMBER):
 229                         factor *= 2
 230
 231                 one_min_ago = datetime.datetime.utcnow() - datetime.timedelta(minutes=1)
 232                 if ThreadReply.query.filter_by(author=self) \
 233                                 .filter(ThreadReply.created_at > one_min_ago).count() >= 3 * factor:
 234                         return False
 235
 236                 hour_ago = datetime.datetime.utcnow() - datetime.timedelta(hours=1)
 237                 if ThreadReply.query.filter_by(author=self) \
 238                                 .filter(ThreadReply.created_at > hour_ago).count() >= 20 * factor:
 239                         return False
 240
 241                 return True
 242
 243         def canOpenThreadRL(self):
 244                 factor = 1
 245                 if self.rank.atLeast(UserRank.ADMIN):
 246                         return True
 247                 elif self.rank.atLeast(UserRank.TRUSTED_MEMBER):
 248                         factor *= 5
 249
 250                 hour_ago = datetime.datetime.utcnow() - datetime.timedelta(hours=1)
 251                 return Thread.query.filter_by(author=self) \
 252                         .filter(Thread.created_at > hour_ago).count() < 2 * factor
 253
 254         def __eq__(self, other):
 255                 if other is None:
 256                         return False
 257
 258                 if not self.is_authenticated or not other.is_authenticated:
 259                         return False
 260
 261                 assert self.id > 0
 262                 return self.id == other.id
 263
 264 class UserEmailVerification(db.Model):
 265         id      = db.Column(db.Integer, primary_key=True)
 266         user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
 267         email   = db.Column(db.String(100))
 268         token   = db.Column(db.String(32))
 269         user    = db.relationship("User", foreign_keys=[user_id])
 270
 271 class Notification(db.Model):
 272         id         = db.Column(db.Integer, primary_key=True)
 273
 274         user_id    = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
 275         user       = db.relationship("User", foreign_keys=[user_id])
 276
 277         causer_id  = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
 278         causer     = db.relationship("User", foreign_keys=[causer_id])
 279
 280         title      = db.Column(db.String(100), nullable=False)
 281         url        = db.Column(db.String(200), nullable=True)
 282
 283         package_id = db.Column(db.Integer, db.ForeignKey("package.id"), nullable=True)
 284         package    = db.relationship("Package", foreign_keys=[package_id])
 285
 286         created_at = db.Column(db.DateTime, nullable=True, default=datetime.datetime.utcnow)
 287
 288         def __init__(self, user, causer, title, url, package=None):
 289                 if len(title) > 100:
 290                         title = title[:99] + "…"
 291
 292                 self.user    = user
 293                 self.causer  = causer
 294                 self.title   = title
 295                 self.url     = url
 296                 self.package = package
 297
 298
 299 class License(db.Model):
 300         id      = db.Column(db.Integer, primary_key=True)
 301         name    = db.Column(db.String(50), nullable=False, unique=True)
 302         is_foss = db.Column(db.Boolean,    nullable=False, default=True)
 303
 304         def __init__(self, v, is_foss=True):
 305                 self.name = v
 306                 self.is_foss = is_foss
 307
 308         def __str__(self):
 309                 return self.name
 310
 311
 312 class PackageType(enum.Enum):
 313         MOD  = "Mod"
 314         GAME = "Game"
 315         TXP  = "Texture Pack"
 316
 317         def toName(self):
 318                 return self.name.lower()
 319
 320         def __str__(self):
 321                 return self.name
 322
 323         @classmethod
 324         def get(cls, name):
 325                 try:
 326                         return PackageType[name.upper()]
 327                 except KeyError:
 328                         return None
 329
 330         @classmethod
 331         def choices(cls):
 332                 return [(choice, choice.value) for choice in cls]
 333
 334         @classmethod
 335         def coerce(cls, item):
 336                 return item if type(item) == PackageType else PackageType[item]
 337
 338
 339 class PackageState(enum.Enum):
 340         WIP = "Work in Progress"
 341         CHANGES_NEEDED  = "Changes Needed"
 342         READY_FOR_REVIEW = "Ready for Review"
 343         APPROVED  = "Approved"
 344         DELETED = "Deleted"
 345
 346         def toName(self):
 347                 return self.name.lower()
 348
 349         def verb(self):
 350                 if self == self.READY_FOR_REVIEW:
 351                         return "Submit for Review"
 352                 elif self == self.APPROVED:
 353                         return "Approve"
 354                 elif self == self.DELETED:
 355                         return "Delete"
 356                 else:
 357                         return self.value
 358
 359         def __str__(self):
 360                 return self.name
 361
 362         @classmethod
 363         def get(cls, name):
 364                 try:
 365                         return PackageState[name.upper()]
 366                 except KeyError:
 367                         return None
 368
 369         @classmethod
 370         def choices(cls):
 371                 return [(choice, choice.value) for choice in cls]
 372
 373         @classmethod
 374         def coerce(cls, item):
 375                 return item if type(item) == PackageState else PackageState[item]
 376
 377
 378 PACKAGE_STATE_FLOW = {
 379         PackageState.WIP: set([ PackageState.READY_FOR_REVIEW ]),
 380         PackageState.CHANGES_NEEDED: set([ PackageState.READY_FOR_REVIEW ]),
 381         PackageState.READY_FOR_REVIEW: set([ PackageState.WIP, PackageState.CHANGES_NEEDED, PackageState.APPROVED ]),
 382         PackageState.APPROVED: set([ PackageState.CHANGES_NEEDED ]),
 383         PackageState.DELETED: set([ PackageState.READY_FOR_REVIEW ]),
 384 }
 385
 386
 387 class PackagePropertyKey(enum.Enum):
 388         name          = "Name"
 389         title         = "Title"
 390         short_desc     = "Short Description"
 391         desc          = "Description"
 392         type          = "Type"
 393         license       = "License"
 394         media_license = "Media License"
 395         tags          = "Tags"
 396         provides      = "Provides"
 397         repo          = "Repository"
 398         website       = "Website"
 399         issueTracker  = "Issue Tracker"
 400         forums        = "Forum Topic ID"
 401
 402         def convert(self, value):
 403                 if self == PackagePropertyKey.tags:
 404                         return ",".join([t.title for t in value])
 405                 elif self == PackagePropertyKey.provides:
 406                         return ",".join([t.name for t in value])
 407                 else:
 408                         return str(value)
 409
 410 provides = db.Table("provides",
 411         db.Column("package_id",    db.Integer, db.ForeignKey("package.id"), primary_key=True),
 412     db.Column("metapackage_id", db.Integer, db.ForeignKey("meta_package.id"), primary_key=True)
 413 )
 414
 415 Tags = db.Table("tags",
 416     db.Column("tag_id", db.Integer, db.ForeignKey("tag.id"), primary_key=True),
 417     db.Column("package_id", db.Integer, db.ForeignKey("package.id"), primary_key=True)
 418 )
 419
 420 ContentWarnings = db.Table("content_warnings",
 421     db.Column("content_warning_id", db.Integer, db.ForeignKey("content_warning.id"), primary_key=True),
 422     db.Column("package_id", db.Integer, db.ForeignKey("package.id"), primary_key=True)
 423 )
 424
 425 maintainers = db.Table("maintainers",
 426     db.Column("user_id", db.Integer, db.ForeignKey("user.id"), primary_key=True),
 427     db.Column("package_id", db.Integer, db.ForeignKey("package.id"), primary_key=True)
 428 )
 429
 430 class Dependency(db.Model):
 431         id              = db.Column(db.Integer, primary_key=True)
 432         depender_id     = db.Column(db.Integer, db.ForeignKey("package.id"),     nullable=True)
 433         package_id      = db.Column(db.Integer, db.ForeignKey("package.id"),     nullable=True)
 434         package         = db.relationship("Package", foreign_keys=[package_id])
 435         meta_package_id = db.Column(db.Integer, db.ForeignKey("meta_package.id"), nullable=True)
 436         optional        = db.Column(db.Boolean, nullable=False, default=False)
 437         __table_args__  = (db.UniqueConstraint("depender_id", "package_id", "meta_package_id", name="_dependency_uc"), )
 438
 439         def __init__(self, depender=None, package=None, meta=None, optional=False):
 440                 if depender is None:
 441                         return
 442
 443                 self.depender = depender
 444                 self.optional = optional
 445
 446                 packageProvided = package is not None
 447                 metaProvided = meta is not None
 448
 449                 if packageProvided and not metaProvided:
 450                         self.package = package
 451                 elif metaProvided and not packageProvided:
 452                         self.meta_package = meta
 453                 else:
 454                         raise Exception("Either meta or package must be given, but not both!")
 455
 456         def getName(self):
 457                 if self.meta_package:
 458                         return self.meta_package.name
 459                 elif self.package:
 460                         return self.package.name
 461                 else:
 462                         assert False
 463
 464         def __str__(self):
 465                 if self.package is not None:
 466                         return self.package.author.username + "/" + self.package.name
 467                 elif self.meta_package is not None:
 468                         return self.meta_package.name
 469                 else:
 470                         raise Exception("Meta and package are both none!")
 471
 472         @staticmethod
 473         def SpecToList(depender, spec, cache={}):
 474                 retval = []
 475                 arr = spec.split(",")
 476
 477                 import re
 478                 pattern1 = re.compile("^([a-z0-9_]+)$")
 479                 pattern2 = re.compile("^([A-Za-z0-9_]+)/([a-z0-9_]+)$")
 480
 481                 for x in arr:
 482                         x = x.strip()
 483                         if x == "":
 484                                 continue
 485
 486                         if pattern1.match(x):
 487                                 meta = MetaPackage.GetOrCreate(x, cache)
 488                                 retval.append(Dependency(depender, meta=meta))
 489                         else:
 490                                 m = pattern2.match(x)
 491                                 username = m.group(1)
 492                                 name     = m.group(2)
 493                                 user = User.query.filter_by(username=username).first()
 494                                 if user is None:
 495                                         raise Exception("Unable to find user " + username)
 496
 497                                 package = Package.query.filter_by(author=user, name=name).first()
 498                                 if package is None:
 499                                         raise Exception("Unable to find package " + name + " by " + username)
 500
 501                                 retval.append(Dependency(depender, package=package))
 502
 503                 return retval
 504
 505
 506 class Package(db.Model):
 507         query_class  = ArticleQuery
 508
 509         id           = db.Column(db.Integer, primary_key=True)
 510
 511         # Basic details
 512         author_id    = db.Column(db.Integer, db.ForeignKey("user.id"))
 513         name         = db.Column(db.Unicode(100), nullable=False)
 514         title        = db.Column(db.Unicode(100), nullable=False)
 515         short_desc   = db.Column(db.Unicode(200), nullable=False)
 516         desc         = db.Column(db.UnicodeText, nullable=True)
 517         type         = db.Column(db.Enum(PackageType))
 518         created_at   = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
 519         approved_at  = db.Column(db.DateTime, nullable=True, default=None)
 520
 521         name_valid = db.CheckConstraint("name ~* '^[a-z0-9_]+$'")
 522
 523         search_vector = db.Column(TSVectorType("name", "title", "short_desc", "desc", \
 524                         weights={ "name": "A", "title": "B", "short_desc": "C", "desc": "D" }))
 525
 526         license_id   = db.Column(db.Integer, db.ForeignKey("license.id"), nullable=False, default=1)
 527         license      = db.relationship("License", foreign_keys=[license_id])
 528         media_license_id = db.Column(db.Integer, db.ForeignKey("license.id"), nullable=False, default=1)
 529         media_license    = db.relationship("License", foreign_keys=[media_license_id])
 530
 531         state         = db.Column(db.Enum(PackageState), default=PackageState.WIP)
 532
 533         @property
 534         def approved(self):
 535                 return self.state == PackageState.APPROVED
 536
 537         score        = db.Column(db.Float, nullable=False, default=0)
 538         score_downloads = db.Column(db.Float, nullable=False, default=0)
 539         downloads     = db.Column(db.Integer, nullable=False, default=0)
 540
 541         review_thread_id = db.Column(db.Integer, db.ForeignKey("thread.id"), nullable=True, default=None)
 542         review_thread    = db.relationship("Thread", foreign_keys=[review_thread_id])
 543
 544         # Downloads
 545         repo         = db.Column(db.String(200), nullable=True)
 546         website      = db.Column(db.String(200), nullable=True)
 547         issueTracker = db.Column(db.String(200), nullable=True)
 548         forums       = db.Column(db.Integer,     nullable=True)
 549
 550         provides = db.relationship("MetaPackage", \
 551                         secondary=provides, lazy="select", order_by=db.asc("name"), \
 552                         backref=db.backref("packages", lazy="dynamic", order_by=db.desc("score")))
 553
 554         dependencies = db.relationship("Dependency", backref="depender", lazy="dynamic", foreign_keys=[Dependency.depender_id])
 555
 556         tags = db.relationship("Tag", secondary=Tags, lazy="select",
 557                         backref=db.backref("packages", lazy=True))
 558
 559         content_warnings = db.relationship("ContentWarning", secondary=ContentWarnings, lazy="select",
 560                         backref=db.backref("packages", lazy=True))
 561
 562         releases = db.relationship("PackageRelease", backref="package",
 563                         lazy="dynamic", order_by=db.desc("package_release_releaseDate"))
 564
 565         screenshots = db.relationship("PackageScreenshot", backref="package",
 566                         lazy="dynamic", order_by=db.asc("package_screenshot_id"))
 567
 568         requests = db.relationship("EditRequest", backref="package",
 569                         lazy="dynamic")
 570
 571         maintainers = db.relationship("User", secondary=maintainers, lazy="subquery")
 572
 573         def __init__(self, package=None):
 574                 if package is None:
 575                         return
 576
 577                 self.author_id = package.author_id
 578                 self.created_at = package.created_at
 579                 self.state = package.state
 580
 581                 self.maintainers.append(self.author)
 582
 583                 for e in PackagePropertyKey:
 584                         setattr(self, e.name, getattr(package, e.name))
 585
 586         def getId(self):
 587                 return "{}/{}".format(self.author.username, self.name)
 588
 589         def getIsFOSS(self):
 590                 return self.license.is_foss and self.media_license.is_foss
 591
 592         def getIsOnGitHub(self):
 593                 if self.repo is None:
 594                         return False
 595
 596                 url = urlparse(self.repo)
 597                 return url.netloc == "github.com"
 598
 599         def getGitHubFullName(self):
 600                 if self.repo is None:
 601                         return None
 602
 603                 url = urlparse(self.repo)
 604                 if url.netloc != "github.com":
 605                         return None
 606
 607                 import re
 608                 m = re.search(r"^\/([^\/]+)\/([^\/]+)\/?$", url.path)
 609                 if m is None:
 610                         return
 611
 612                 user = m.group(1)
 613                 repo = m.group(2).replace(".git", "")
 614
 615                 return (user,repo)
 616
 617         def getSortedDependencies(self, is_hard=None):
 618                 query = self.dependencies
 619                 if is_hard is not None:
 620                         query = query.filter_by(optional=not is_hard)
 621
 622                 deps = query.all()
 623                 deps.sort(key = lambda x: x.getName())
 624                 return deps
 625
 626         def getSortedHardDependencies(self):
 627                 return self.getSortedDependencies(True)
 628
 629         def getSortedOptionalDependencies(self):
 630                 return self.getSortedDependencies(False)
 631
 632         def getAsDictionaryKey(self):
 633                 return {
 634                         "name": self.name,
 635                         "author": self.author.display_name,
 636                         "type": self.type.toName(),
 637                 }
 638
 639         def getAsDictionaryShort(self, base_url, version=None):
 640                 tnurl = self.getThumbnailURL(1)
 641                 release = self.getDownloadRelease(version=version)
 642                 return {
 643                         "name": self.name,
 644                         "title": self.title,
 645                         "author": self.author.username,
 646                         "short_description": self.short_desc,
 647                         "type": self.type.toName(),
 648                         "release": release and release.id,
 649                         "thumbnail": (base_url + tnurl) if tnurl is not None else None
 650                 }
 651
 652         def getAsDictionary(self, base_url, version=None):
 653                 tnurl = self.getThumbnailURL(1)
 654                 release = self.getDownloadRelease(version=version)
 655                 return {
 656                         "author": self.author.username,
 657                         "name": self.name,
 658                         "title": self.title,
 659                         "short_description": self.short_desc,
 660                         "desc": self.desc,
 661                         "type": self.type.toName(),
 662                         "created_at": self.created_at.isoformat(),
 663
 664                         "license": self.license.name,
 665                         "media_license": self.media_license.name,
 666
 667                         "repo": self.repo,
 668                         "website": self.website,
 669                         "issue_tracker": self.issueTracker,
 670                         "forums": self.forums,
 671
 672                         "provides": [x.name for x in self.provides],
 673                         "thumbnail": (base_url + tnurl) if tnurl is not None else None,
 674                         "screenshots": [base_url + ss.url for ss in self.screenshots],
 675
 676                         "url": base_url + self.getDownloadURL(),
 677                         "release": release and release.id,
 678
 679                         "score": round(self.score * 10) / 10,
 680                         "downloads": self.downloads
 681                 }
 682
 683         def getThumbnailURL(self, level=2):
 684                 screenshot = self.screenshots.filter_by(approved=True).order_by(db.asc(PackageScreenshot.id)).first()
 685                 return screenshot.getThumbnailURL(level) if screenshot is not None else None
 686
 687         def getMainScreenshotURL(self, absolute=False):
 688                 screenshot = self.screenshots.filter_by(approved=True).order_by(db.asc(PackageScreenshot.id)).first()
 689                 if screenshot is None:
 690                         return None
 691
 692                 if absolute:
 693                         from app.utils import abs_url
 694                         return abs_url(screenshot.url)
 695                 else:
 696                         return screenshot.url
 697
 698         def getDetailsURL(self, absolute=False):
 699                 if absolute:
 700                         from app.utils import abs_url_for
 701                         return abs_url_for("packages.view",
 702                                         author=self.author.username, name=self.name)
 703                 else:
 704                         return url_for("packages.view",
 705                                         author=self.author.username, name=self.name)
 706
 707         def getShieldURL(self, type):
 708                 from app.utils import abs_url_for
 709                 return abs_url_for("packages.shield",
 710                                 author=self.author.username, name=self.name, type=type)
 711
 712         def makeShield(self, type):
 713                 return "[![ContentDB]({})]({})" \
 714                         .format(self.getShieldURL(type), self.getDetailsURL(True))
 715
 716         def getEditURL(self):
 717                 return url_for("packages.create_edit",
 718                                 author=self.author.username, name=self.name)
 719
 720         def getSetStateURL(self, state):
 721                 if type(state) == str:
 722                         state = PackageState[perm]
 723                 elif type(state) != PackageState:
 724                         raise Exception("Unknown state given to Package.canMoveToState()")
 725
 726                 return url_for("packages.move_to_state",
 727                                 author=self.author.username, name=self.name, state=state.name.lower())
 728
 729         def getRemoveURL(self):
 730                 return url_for("packages.remove",
 731                                 author=self.author.username, name=self.name)
 732
 733         def getNewScreenshotURL(self):
 734                 return url_for("packages.create_screenshot",
 735                                 author=self.author.username, name=self.name)
 736
 737         def getCreateReleaseURL(self):
 738                 return url_for("packages.create_release",
 739                                 author=self.author.username, name=self.name)
 740
 741         def getCreateEditRequestURL(self):
 742                 return url_for("create_edit_editrequest_page",
 743                                 author=self.author.username, name=self.name)
 744
 745         def getBulkReleaseURL(self):
 746                 return url_for("packages.bulk_change_release",
 747                         author=self.author.username, name=self.name)
 748
 749         def getDownloadURL(self):
 750                 return url_for("packages.download",
 751                                 author=self.author.username, name=self.name)
 752
 753         def getEditMaintainersURL(self):
 754                 return url_for("packages.edit_maintainers",
 755                                 author=self.author.username, name=self.name)
 756
 757         def getRemoveSelfMaintainerURL(self):
 758                 return url_for("packages.remove_self_maintainers",
 759                                 author=self.author.username, name=self.name)
 760
 761         def getUpdateFromReleaseURL(self):
 762                 return url_for("packages.update_from_release",
 763                                 author=self.author.username, name=self.name)
 764
 765         def getReviewURL(self):
 766                 return url_for('packages.review',
 767                                 author=self.author.username, name=self.name)
 768
 769         def getDownloadRelease(self, version=None):
 770                 for rel in self.releases:
 771                         if rel.approved and (version is None or
 772                                         ((rel.min_rel is None or rel.min_rel_id <= version.id) and \
 773                                         (rel.max_rel is None or rel.max_rel_id >= version.id))):
 774                                 return rel
 775
 776                 return None
 777
 778         def checkPerm(self, user, perm):
 779                 if not user.is_authenticated:
 780                         return False
 781
 782                 if type(perm) == str:
 783                         perm = Permission[perm]
 784                 elif type(perm) != Permission:
 785                         raise Exception("Unknown permission given to Package.checkPerm()")
 786
 787                 isOwner = user == self.author
 788                 isMaintainer = isOwner or user.rank.atLeast(UserRank.EDITOR) or user in self.maintainers
 789
 790                 if perm == Permission.CREATE_THREAD:
 791                         return user.rank.atLeast(UserRank.MEMBER)
 792
 793                 # Members can edit their own packages, and editors can edit any packages
 794                 elif perm == Permission.MAKE_RELEASE or perm == Permission.ADD_SCREENSHOTS:
 795                         return isMaintainer
 796
 797                 elif perm == Permission.EDIT_PACKAGE or \
 798                                 perm == Permission.APPROVE_CHANGES or perm == Permission.APPROVE_RELEASE:
 799                         return isMaintainer and user.rank.atLeast(UserRank.MEMBER if self.approved else UserRank.NEW_MEMBER)
 800
 801                 # Anyone can change the package name when not approved, but only editors when approved
 802                 elif perm == Permission.CHANGE_NAME:
 803                         return not self.approved or user.rank.atLeast(UserRank.EDITOR)
 804
 805                 # Editors can change authors and approve new packages
 806                 elif perm == Permission.APPROVE_NEW or perm == Permission.CHANGE_AUTHOR:
 807                         return user.rank.atLeast(UserRank.EDITOR)
 808
 809                 elif perm == Permission.APPROVE_SCREENSHOT:
 810                         return isMaintainer and user.rank.atLeast(UserRank.TRUSTED_MEMBER if self.approved else UserRank.NEW_MEMBER)
 811
 812                 elif perm == Permission.EDIT_MAINTAINERS:
 813                         return isOwner or user.rank.atLeast(UserRank.MODERATOR)
 814
 815                 elif perm == Permission.UNAPPROVE_PACKAGE or perm == Permission.DELETE_PACKAGE:
 816                         return user.rank.atLeast(UserRank.EDITOR)
 817
 818                 elif perm == Permission.CHANGE_RELEASE_URL:
 819                         return user.rank.atLeast(UserRank.MODERATOR)
 820
 821                 elif perm == Permission.REIMPORT_META:
 822                         return user.rank.atLeast(UserRank.ADMIN)
 823
 824                 else:
 825                         raise Exception("Permission {} is not related to packages".format(perm.name))
 826
 827
 828         def canMoveToState(self, user, state):
 829                 if not user.is_authenticated:
 830                         return False
 831
 832                 if type(state) == str:
 833                         state = PackageState[perm]
 834                 elif type(state) != PackageState:
 835                         raise Exception("Unknown state given to Package.canMoveToState()")
 836
 837                 if state not in PACKAGE_STATE_FLOW[self.state]:
 838                         return False
 839
 840                 if state == PackageState.READY_FOR_REVIEW or state == PackageState.APPROVED:
 841                         requiredPerm = Permission.APPROVE_NEW if state == PackageState.APPROVED else Permission.EDIT_PACKAGE
 842
 843                         if not self.checkPerm(user, requiredPerm):
 844                                 return False
 845
 846                         if state == PackageState.APPROVED and \
 847                                         ("Other" in self.license.name or "Other" in self.media_license.name):
 848                                 return False
 849
 850                         needsScreenshot = \
 851                                 (self.type == self.type.GAME or self.type == self.type.TXP) and \
 852                                         self.screenshots.count() == 0
 853                         return self.releases.count() > 0 and not needsScreenshot
 854
 855                 elif state == PackageState.CHANGES_NEEDED:
 856                         return self.checkPerm(user, Permission.APPROVE_NEW)
 857
 858                 elif state == PackageState.WIP:
 859                         return self.checkPerm(user, Permission.EDIT_PACKAGE) and user in self.maintainers
 860
 861                 return True
 862
 863
 864         def getNextStates(self, user):
 865                 states = []
 866
 867                 for state in PackageState:
 868                         if self.canMoveToState(user, state):
 869                                 states.append(state)
 870
 871                 return states
 872
 873
 874         def getScoreDict(self):
 875                 return {
 876                         "author": self.author.username,
 877                         "name": self.name,
 878                         "score": self.score,
 879                         "score_downloads": self.score_downloads,
 880                         "score_reviews": self.score - self.score_downloads,
 881                         "downloads": self.downloads
 882                 }
 883
 884         def recalcScore(self):
 885                 review_scores = [ 100 * r.asSign() for r in self.reviews ]
 886                 self.score = self.score_downloads + sum(review_scores)
 887
 888
 889 class MetaPackage(db.Model):
 890         id           = db.Column(db.Integer, primary_key=True)
 891         name         = db.Column(db.String(100), unique=True, nullable=False)
 892         dependencies = db.relationship("Dependency", backref="meta_package", lazy="dynamic")
 893
 894         mp_name_valid = db.CheckConstraint("name ~* '^[a-z0-9_]+$'")
 895
 896         def __init__(self, name=None):
 897                 self.name = name
 898
 899         def __str__(self):
 900                 return self.name
 901
 902         @staticmethod
 903         def ListToSpec(list):
 904                 return ",".join([str(x) for x in list])
 905
 906         @staticmethod
 907         def GetOrCreate(name, cache={}):
 908                 mp = cache.get(name)
 909                 if mp is None:
 910                         mp = MetaPackage.query.filter_by(name=name).first()
 911
 912                 if mp is None:
 913                         mp = MetaPackage(name)
 914                         db.session.add(mp)
 915
 916                 cache[name] = mp
 917                 return mp
 918
 919         @staticmethod
 920         def SpecToList(spec, cache={}):
 921                 retval = []
 922                 arr = spec.split(",")
 923
 924                 import re
 925                 pattern = re.compile("^([a-z0-9_]+)$")
 926
 927                 for x in arr:
 928                         x = x.strip()
 929                         if x == "":
 930                                 continue
 931
 932                         if not pattern.match(x):
 933                                 continue
 934
 935                         retval.append(MetaPackage.GetOrCreate(x, cache))
 936
 937                 return retval
 938
 939
 940 class ContentWarning(db.Model):
 941         id              = db.Column(db.Integer, primary_key=True)
 942         name            = db.Column(db.String(100), unique=True, nullable=False)
 943         title           = db.Column(db.String(100), nullable=False)
 944         description     = db.Column(db.String(500), nullable=False)
 945
 946         def __init__(self, title, description=""):
 947                 self.title       = title
 948                 self.description = description
 949
 950                 import re
 951                 regex = re.compile("[^a-z_]")
 952                 self.name = regex.sub("", self.title.lower().replace(" ", "_"))
 953
 954
 955 class Tag(db.Model):
 956         id              = db.Column(db.Integer, primary_key=True)
 957         name            = db.Column(db.String(100), unique=True, nullable=False)
 958         title           = db.Column(db.String(100), nullable=False)
 959         description     = db.Column(db.String(500), nullable=True, default=None)
 960         backgroundColor = db.Column(db.String(6), nullable=False)
 961         textColor       = db.Column(db.String(6), nullable=False)
 962         views           = db.Column(db.Integer, nullable=False, default=0)
 963
 964         def __init__(self, title, backgroundColor="000000", textColor="ffffff"):
 965                 self.title           = title
 966                 self.backgroundColor = backgroundColor
 967                 self.textColor       = textColor
 968
 969                 import re
 970                 regex = re.compile("[^a-z_]")
 971                 self.name = regex.sub("", self.title.lower().replace(" ", "_"))
 972
 973
 974 class MinetestRelease(db.Model):
 975         id       = db.Column(db.Integer, primary_key=True)
 976         name     = db.Column(db.String(100), unique=True, nullable=False)
 977         protocol = db.Column(db.Integer, nullable=False, default=0)
 978
 979         def __init__(self, name=None, protocol=0):
 980                 self.name = name
 981                 self.protocol = protocol
 982
 983         def getActual(self):
 984                 return None if self.name == "None" else self
 985
 986         @classmethod
 987         def get(cls, version, protocol_num):
 988                 if version:
 989                         parts = version.strip().split(".")
 990                         if len(parts) >= 2:
 991                                 major_minor = parts[0] + "." + parts[1]
 992                                 query = MinetestRelease.query.filter(MinetestRelease.name.like("{}%".format(major_minor)))
 993                                 if protocol_num:
 994                                         query = query.filter_by(protocol=protocol_num)
 995
 996                                 release = query.one_or_none()
 997                                 if release:
 998                                         return release
 999
1000                 if protocol_num:
1001                         return MinetestRelease.query.filter_by(protocol=protocol_num).first()
1002
1003                 return None
1004
1005
1006 class PackageRelease(db.Model):
1007         id           = db.Column(db.Integer, primary_key=True)
1008
1009         package_id   = db.Column(db.Integer, db.ForeignKey("package.id"))
1010         title        = db.Column(db.String(100), nullable=False)
1011         releaseDate  = db.Column(db.DateTime,    nullable=False)
1012         url          = db.Column(db.String(200), nullable=False)
1013         approved     = db.Column(db.Boolean, nullable=False, default=False)
1014         task_id      = db.Column(db.String(37), nullable=True)
1015         commit_hash  = db.Column(db.String(41), nullable=True, default=None)
1016         downloads    = db.Column(db.Integer, nullable=False, default=0)
1017
1018         min_rel_id = db.Column(db.Integer, db.ForeignKey("minetest_release.id"), nullable=True, server_default=None)
1019         min_rel    = db.relationship("MinetestRelease", foreign_keys=[min_rel_id])
1020
1021         max_rel_id = db.Column(db.Integer, db.ForeignKey("minetest_release.id"), nullable=True, server_default=None)
1022         max_rel    = db.relationship("MinetestRelease", foreign_keys=[max_rel_id])
1023
1024         # If the release is approved, then the task_id must be null and the url must be present
1025         CK_approval_valid = db.CheckConstraint("not approved OR (task_id IS NULL AND (url = '') IS NOT FALSE)")
1026
1027         def getAsDictionary(self):
1028                 return {
1029                         "id": self.id,
1030                         "title": self.title,
1031                         "url": self.url if self.url != "" else None,
1032                         "release_date": self.releaseDate.isoformat(),
1033                         "commit": self.commit_hash,
1034                         "downloads": self.downloads,
1035                         "min_protocol": self.min_rel and self.min_rel.protocol,
1036                         "max_protocol": self.max_rel and self.max_rel.protocol
1037                 }
1038
1039         def getEditURL(self):
1040                 return url_for("packages.edit_release",
1041                                 author=self.package.author.username,
1042                                 name=self.package.name,
1043                                 id=self.id)
1044
1045         def getDeleteURL(self):
1046                 return url_for("packages.delete_release",
1047                                 author=self.package.author.username,
1048                                 name=self.package.name,
1049                                 id=self.id)
1050
1051         def getDownloadURL(self):
1052                 return url_for("packages.download_release",
1053                                 author=self.package.author.username,
1054                                 name=self.package.name,
1055                                 id=self.id)
1056
1057         def __init__(self):
1058                 self.releaseDate = datetime.datetime.now()
1059
1060         def approve(self, user):
1061                 if not self.package.checkPerm(user, Permission.APPROVE_RELEASE):
1062                         return False
1063
1064                 assert self.task_id is None and self.url is not None and self.url != ""
1065
1066                 self.approved = True
1067                 return True
1068
1069         def checkPerm(self, user, perm):
1070                 if not user.is_authenticated:
1071                         return False
1072
1073                 if type(perm) == str:
1074                         perm = Permission[perm]
1075                 elif type(perm) != Permission:
1076                         raise Exception("Unknown permission given to PackageRelease.checkPerm()")
1077
1078                 isOwner = user == self.package.author
1079
1080                 if perm == Permission.DELETE_RELEASE:
1081                         if user.rank.atLeast(UserRank.ADMIN):
1082                                 return True
1083
1084                         if not (isOwner or user.rank.atLeast(UserRank.EDITOR)):
1085                                 return False
1086
1087                         if not self.package.approved or self.task_id is not None:
1088                                 return True
1089
1090                         count = PackageRelease.query \
1091                                         .filter_by(package_id=self.package_id) \
1092                                         .filter(PackageRelease.id > self.id) \
1093                                         .count()
1094
1095                         return count > 0
1096                 else:
1097                         raise Exception("Permission {} is not related to releases".format(perm.name))
1098
1099
1100 # class PackageReview(db.Model):
1101 #       id         = db.Column(db.Integer, primary_key=True)
1102 #       package_id = db.Column(db.Integer, db.ForeignKey("package.id"))
1103 #       thread_id  = db.Column(db.Integer, db.ForeignKey("thread.id"), nullable=False)
1104 #       recommend  = db.Column(db.Boolean, nullable=False, default=True)
1105
1106
1107 class PackageScreenshot(db.Model):
1108         id         = db.Column(db.Integer, primary_key=True)
1109         package_id = db.Column(db.Integer, db.ForeignKey("package.id"))
1110         title      = db.Column(db.String(100), nullable=False)
1111         url        = db.Column(db.String(100), nullable=False)
1112         approved   = db.Column(db.Boolean, nullable=False, default=False)
1113
1114
1115         def getEditURL(self):
1116                 return url_for("packages.edit_screenshot",
1117                                 author=self.package.author.username,
1118                                 name=self.package.name,
1119                                 id=self.id)
1120
1121         def getThumbnailURL(self, level=2):
1122                 return self.url.replace("/uploads/", ("/thumbnails/{:d}/").format(level))
1123
1124
1125 class APIToken(db.Model):
1126         id           = db.Column(db.Integer, primary_key=True)
1127         access_token = db.Column(db.String(34), unique=True)
1128
1129         name         = db.Column(db.String(100), nullable=False)
1130         owner_id     = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
1131         # owner is created using backref
1132
1133         created_at   = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
1134
1135         package_id = db.Column(db.Integer, db.ForeignKey("package.id"), nullable=True)
1136         package    = db.relationship("Package", foreign_keys=[package_id])
1137
1138         def canOperateOnPackage(self, package):
1139                 if self.package and self.package != package:
1140                         return False
1141
1142                 return package.author == self.owner
1143
1144
1145 class EditRequest(db.Model):
1146         id           = db.Column(db.Integer, primary_key=True)
1147
1148         package_id   = db.Column(db.Integer, db.ForeignKey("package.id"))
1149         author_id    = db.Column(db.Integer, db.ForeignKey("user.id"))
1150
1151         title        = db.Column(db.String(100), nullable=False)
1152         desc         = db.Column(db.String(1000), nullable=True)
1153
1154         # 0 - open
1155         # 1 - merged
1156         # 2 - rejected
1157         status       = db.Column(db.Integer, nullable=False, default=0)
1158
1159         changes = db.relationship("EditRequestChange", backref="request",
1160                         lazy="dynamic")
1161
1162         def getURL(self):
1163                 return url_for("view_editrequest_page",
1164                                 author=self.package.author.username,
1165                                 name=self.package.name,
1166                                 id=self.id)
1167
1168         def getApproveURL(self):
1169                 return url_for("approve_editrequest_page",
1170                                 author=self.package.author.username,
1171                                 name=self.package.name,
1172                                 id=self.id)
1173
1174         def getRejectURL(self):
1175                 return url_for("reject_editrequest_page",
1176                                 author=self.package.author.username,
1177                                 name=self.package.name,
1178                                 id=self.id)
1179
1180         def getEditURL(self):
1181                 return url_for("create_edit_editrequest_page",
1182                                 author=self.package.author.username,
1183                                 name=self.package.name,
1184                                 id=self.id)
1185
1186         def applyAll(self, package):
1187                 for change in self.changes:
1188                         change.apply(package)
1189
1190
1191         def checkPerm(self, user, perm):
1192                 if not user.is_authenticated:
1193                         return False
1194
1195                 if type(perm) == str:
1196                         perm = Permission[perm]
1197                 elif type(perm) != Permission:
1198                         raise Exception("Unknown permission given to EditRequest.checkPerm()")
1199
1200                 isOwner = user == self.author
1201
1202                 # Members can edit their own packages, and editors can edit any packages
1203                 if perm == Permission.EDIT_EDITREQUEST:
1204                         return isOwner or user.rank.atLeast(UserRank.EDITOR)
1205
1206                 else:
1207                         raise Exception("Permission {} is not related to packages".format(perm.name))
1208
1209
1210
1211
1212 class EditRequestChange(db.Model):
1213         id           = db.Column(db.Integer, primary_key=True)
1214
1215         request_id   = db.Column(db.Integer, db.ForeignKey("edit_request.id"))
1216         key          = db.Column(db.Enum(PackagePropertyKey), nullable=False)
1217
1218         # TODO: make diff instead
1219         oldValue     = db.Column(db.Text, nullable=True)
1220         newValue     = db.Column(db.Text, nullable=True)
1221
1222         def apply(self, package):
1223                 if self.key == PackagePropertyKey.tags:
1224                         package.tags.clear()
1225                         for tagTitle in self.newValue.split(","):
1226                                 tag = Tag.query.filter_by(title=tagTitle.strip()).first()
1227                                 package.tags.append(tag)
1228
1229                 else:
1230                         setattr(package, self.key.name, self.newValue)
1231
1232
1233 watchers = db.Table("watchers",
1234     db.Column("user_id", db.Integer, db.ForeignKey("user.id"), primary_key=True),
1235     db.Column("thread_id", db.Integer, db.ForeignKey("thread.id"), primary_key=True)
1236 )
1237
1238 class Thread(db.Model):
1239         id         = db.Column(db.Integer, primary_key=True)
1240
1241         package_id = db.Column(db.Integer, db.ForeignKey("package.id"), nullable=True)
1242         package    = db.relationship("Package", foreign_keys=[package_id])
1243
1244         review_id  = db.Column(db.Integer, db.ForeignKey("package_review.id"), nullable=True)
1245         review     = db.relationship("PackageReview", foreign_keys=[review_id])
1246
1247         author_id  = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
1248         title      = db.Column(db.String(100), nullable=False)
1249         private    = db.Column(db.Boolean, server_default="0", nullable=False)
1250
1251         locked     = db.Column(db.Boolean, server_default="0", nullable=False)
1252
1253         created_at = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
1254
1255         replies    = db.relationship("ThreadReply", backref="thread", lazy="dynamic", \
1256                         order_by=db.asc("thread_reply_id"))
1257
1258         watchers   = db.relationship("User", secondary=watchers, lazy="subquery", \
1259                         backref=db.backref("watching", lazy=True))
1260
1261         def getViewURL(self):
1262                 return url_for("threads.view", id=self.id)
1263
1264         def getSubscribeURL(self):
1265                 return url_for("threads.subscribe", id=self.id)
1266
1267         def getUnsubscribeURL(self):
1268                 return url_for("threads.unsubscribe", id=self.id)
1269
1270         def checkPerm(self, user, perm):
1271                 if not user.is_authenticated:
1272                         return perm == Permission.SEE_THREAD and not self.private
1273
1274                 if type(perm) == str:
1275                         perm = Permission[perm]
1276                 elif type(perm) != Permission:
1277                         raise Exception("Unknown permission given to Thread.checkPerm()")
1278
1279                 isMaintainer = user == self.author or (self.package is not None and self.package.author == user)
1280                 if self.package:
1281                         isMaintainer = isMaintainer or user in self.package.maintainers
1282
1283                 canSee = not self.private or isMaintainer or user.rank.atLeast(UserRank.EDITOR)
1284
1285                 if perm == Permission.SEE_THREAD:
1286                         return canSee
1287
1288                 elif perm == Permission.COMMENT_THREAD:
1289                         return canSee and (not self.locked or user.rank.atLeast(UserRank.MODERATOR))
1290
1291                 elif perm == Permission.LOCK_THREAD:
1292                         return user.rank.atLeast(UserRank.MODERATOR)
1293
1294                 else:
1295                         raise Exception("Permission {} is not related to threads".format(perm.name))
1296
1297 class ThreadReply(db.Model):
1298         id         = db.Column(db.Integer, primary_key=True)
1299         thread_id  = db.Column(db.Integer, db.ForeignKey("thread.id"), nullable=False)
1300         comment    = db.Column(db.String(2000), nullable=False)
1301         author_id  = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
1302         created_at = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
1303
1304         def checkPerm(self, user, perm):
1305                 if not user.is_authenticated:
1306                         return False
1307
1308                 if type(perm) == str:
1309                         perm = Permission[perm]
1310                 elif type(perm) != Permission:
1311                         raise Exception("Unknown permission given to ThreadReply.checkPerm()")
1312
1313                 if perm == Permission.EDIT_REPLY:
1314                         return user == self.author and user.rank.atLeast(UserRank.MEMBER) and not self.thread.locked
1315
1316                 elif perm == Permission.DELETE_REPLY:
1317                         return user.rank.atLeast(UserRank.MODERATOR) and self.thread.replies[0] != self
1318
1319                 else:
1320                         raise Exception("Permission {} is not related to threads".format(perm.name))
1321
1322
1323 class PackageReview(db.Model):
1324         id         = db.Column(db.Integer, primary_key=True)
1325
1326         package_id = db.Column(db.Integer, db.ForeignKey("package.id"), nullable=True)
1327         package    = db.relationship("Package", foreign_keys=[package_id], backref=db.backref("reviews", lazy=True))
1328
1329         created_at = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
1330
1331         author_id  = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
1332         author     = db.relationship("User", foreign_keys=[author_id], backref=db.backref("reviews", lazy=True))
1333
1334         recommends = db.Column(db.Boolean, nullable=False)
1335
1336         thread     = db.relationship("Thread", uselist=False, back_populates="review")
1337
1338         def asSign(self):
1339                 return 1 if self.recommends else -1
1340
1341         def getEditURL(self):
1342                 return self.package.getReviewURL()
1343
1344         def getDeleteURL(self):
1345                 return url_for("packages.delete_review",
1346                                 author=self.package.author.username,
1347                                 name=self.package.name)
1348
1349
1350 class AuditSeverity(enum.Enum):
1351         NORMAL = 0 # Normal user changes
1352         EDITOR = 1 # Editor changes
1353         MODERATION = 2 # Destructive / moderator changes
1354
1355         def __str__(self):
1356                 return self.name
1357
1358         def getTitle(self):
1359                 return self.name.replace("_", " ").title()
1360
1361         @classmethod
1362         def choices(cls):
1363                 return [(choice, choice.getTitle()) for choice in cls]
1364
1365         @classmethod
1366         def coerce(cls, item):
1367                 return item if type(item) == AuditSeverity else AuditSeverity[item]
1368
1369
1370
1371 class AuditLogEntry(db.Model):
1372         id         = db.Column(db.Integer, primary_key=True)
1373
1374         created_at = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
1375
1376         causer_id  = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
1377         causer     = db.relationship("User", foreign_keys=[causer_id])
1378
1379         severity   = db.Column(db.Enum(AuditSeverity), nullable=False)
1380
1381         title      = db.Column(db.String(100), nullable=False)
1382         url        = db.Column(db.String(200), nullable=True)
1383
1384         package_id = db.Column(db.Integer, db.ForeignKey("package.id"), nullable=True)
1385         package    = db.relationship("Package", foreign_keys=[package_id])
1386
1387         description = db.Column(db.Text, nullable=True, default=None)
1388
1389         def __init__(self, causer, severity, title, url, package=None, description=None):
1390                 if len(title) > 100:
1391                         title = title[:99] + "…"
1392
1393                 self.causer   = causer
1394                 self.severity = severity
1395                 self.title    = title
1396                 self.url      = url
1397                 self.package  = package
1398                 self.description = description
1399
1400
1401
1402
1403 REPO_BLACKLIST = [".zip", "mediafire.com", "dropbox.com", "weebly.com", \
1404                 "minetest.net", "dropboxusercontent.com", "4shared.com", \
1405                 "digitalaudioconcepts.com", "hg.intevation.org", "www.wtfpl.net", \
1406                 "imageshack.com", "imgur.com"]
1407
1408 class ForumTopic(db.Model):
1409         topic_id  = db.Column(db.Integer, primary_key=True, autoincrement=False)
1410         author_id = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
1411         author    = db.relationship("User")
1412
1413         wip       = db.Column(db.Boolean, server_default="0")
1414         discarded = db.Column(db.Boolean, server_default="0")
1415
1416         type      = db.Column(db.Enum(PackageType), nullable=False)
1417         title     = db.Column(db.String(200), nullable=False)
1418         name      = db.Column(db.String(30), nullable=True)
1419         link      = db.Column(db.String(200), nullable=True)
1420
1421         posts     = db.Column(db.Integer, nullable=False)
1422         views     = db.Column(db.Integer, nullable=False)
1423
1424         created_at = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
1425
1426         def getRepoURL(self):
1427                 if self.link is None:
1428                         return None
1429
1430                 for item in REPO_BLACKLIST:
1431                         if item in self.link:
1432                                 return None
1433
1434                 return self.link.replace("repo.or.cz/w/", "repo.or.cz/")
1435
1436         def getAsDictionary(self):
1437                 return {
1438                         "author": self.author.username,
1439                         "name":   self.name,
1440                         "type":   self.type.toName(),
1441                         "title":  self.title,
1442                         "id":     self.topic_id,
1443                         "link":   self.link,
1444                         "posts":  self.posts,
1445                         "views":  self.views,
1446                         "is_wip": self.wip,
1447                         "discarded":  self.discarded,
1448                         "created_at": self.created_at.isoformat(),
1449                 }
1450
1451         def checkPerm(self, user, perm):
1452                 if not user.is_authenticated:
1453                         return False
1454
1455                 if type(perm) == str:
1456                         perm = Permission[perm]
1457                 elif type(perm) != Permission:
1458                         raise Exception("Unknown permission given to ForumTopic.checkPerm()")
1459
1460                 if perm == Permission.TOPIC_DISCARD:
1461                         return self.author == user or user.rank.atLeast(UserRank.EDITOR)
1462
1463                 else:
1464                         raise Exception("Permission {} is not related to topics".format(perm.name))
1465
1466
1467 # Setup Flask-User
1468 user_manager = UserManager(app, db, User)
1469
1470 if app.config.get("LOG_SQL"):
1471         import logging
1472         logging.basicConfig()
1473         logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)