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