app/models.py

   1 # Content DB
   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 from flask import Flask, url_for
  19 from flask_sqlalchemy import SQLAlchemy
  20 from flask_migrate import Migrate
  21 from urllib.parse import urlparse
  22 from app import app
  23 from datetime import datetime
  24 from sqlalchemy.orm import validates
  25 from flask_user import login_required, UserManager, UserMixin, SQLAlchemyAdapter
  26 import enum
  27
  28 # Initialise database
  29 db = SQLAlchemy(app)
  30 migrate = Migrate(app, db)
  31
  32
  33 class UserRank(enum.Enum):
  34         BANNED         = 0
  35         NOT_JOINED     = 1
  36         NEW_MEMBER     = 2
  37         MEMBER         = 3
  38         TRUSTED_MEMBER = 4
  39         EDITOR         = 5
  40         MODERATOR      = 6
  41         ADMIN          = 7
  42
  43         def atLeast(self, min):
  44                 return self.value >= min.value
  45
  46         def getTitle(self):
  47                 return self.name.replace("_", " ").title()
  48
  49         def toName(self):
  50                 return self.name.lower()
  51
  52         def __str__(self):
  53                 return self.name
  54
  55         @classmethod
  56         def choices(cls):
  57                 return [(choice, choice.getTitle()) for choice in cls]
  58
  59         @classmethod
  60         def coerce(cls, item):
  61                 return item if type(item) == UserRank else UserRank[item]
  62
  63
  64 class Permission(enum.Enum):
  65         EDIT_PACKAGE       = "EDIT_PACKAGE"
  66         APPROVE_CHANGES    = "APPROVE_CHANGES"
  67         DELETE_PACKAGE     = "DELETE_PACKAGE"
  68         CHANGE_AUTHOR      = "CHANGE_AUTHOR"
  69         MAKE_RELEASE       = "MAKE_RELEASE"
  70         ADD_SCREENSHOTS    = "ADD_SCREENSHOTS"
  71         APPROVE_SCREENSHOT = "APPROVE_SCREENSHOT"
  72         APPROVE_RELEASE    = "APPROVE_RELEASE"
  73         APPROVE_NEW        = "APPROVE_NEW"
  74         CHANGE_RELEASE_URL = "CHANGE_RELEASE_URL"
  75         CHANGE_DNAME       = "CHANGE_DNAME"
  76         CHANGE_RANK        = "CHANGE_RANK"
  77         CHANGE_EMAIL       = "CHANGE_EMAIL"
  78         EDIT_EDITREQUEST   = "EDIT_EDITREQUEST"
  79         SEE_THREAD         = "SEE_THREAD"
  80         CREATE_THREAD      = "CREATE_THREAD"
  81
  82         # Only return true if the permission is valid for *all* contexts
  83         # See Package.checkPerm for package-specific contexts
  84         def check(self, user):
  85                 if not user.is_authenticated:
  86                         return False
  87
  88                 if self == Permission.APPROVE_NEW or \
  89                                 self == Permission.APPROVE_CHANGES    or \
  90                                 self == Permission.APPROVE_RELEASE    or \
  91                                 self == Permission.APPROVE_SCREENSHOT or \
  92                                 self == Permission.SEE_THREAD:
  93                         return user.rank.atLeast(UserRank.EDITOR)
  94                 else:
  95                         raise Exception("Non-global permission checked globally. Use Package.checkPerm or User.checkPerm instead.")
  96
  97 class User(db.Model, UserMixin):
  98         id = db.Column(db.Integer, primary_key=True)
  99
 100         # User authentication information
 101         username = db.Column(db.String(50, collation="NOCASE"), nullable=False, unique=True, index=True)
 102         password = db.Column(db.String(255), nullable=True)
 103         reset_password_token = db.Column(db.String(100), nullable=False, server_default="")
 104
 105         rank = db.Column(db.Enum(UserRank))
 106
 107         # Account linking
 108         github_username = db.Column(db.String(50, collation="NOCASE"), nullable=True, unique=True)
 109         forums_username = db.Column(db.String(50, collation="NOCASE"), nullable=True, unique=True)
 110
 111         # User email information
 112         email = db.Column(db.String(255), nullable=True, unique=True)
 113         confirmed_at = db.Column(db.DateTime())
 114
 115         # User information
 116         active = db.Column("is_active", db.Boolean, nullable=False, server_default="0")
 117         display_name = db.Column(db.String(100), nullable=False, server_default="")
 118
 119         # Content
 120         notifications = db.relationship("Notification", primaryjoin="User.id==Notification.user_id")
 121
 122         # causednotifs  = db.relationship("Notification", backref="causer", lazy="dynamic")
 123         packages      = db.relationship("Package", backref="author", lazy="dynamic")
 124         requests      = db.relationship("EditRequest", backref="author", lazy="dynamic")
 125         threads       = db.relationship("Thread", backref="author", lazy="dynamic")
 126         replies       = db.relationship("ThreadReply", backref="author", lazy="dynamic")
 127
 128         def __init__(self, username, active=False, email=None, password=None):
 129                 import datetime
 130
 131                 self.username = username
 132                 self.confirmed_at = datetime.datetime.now() - datetime.timedelta(days=6000)
 133                 self.display_name = username
 134                 self.active = active
 135                 self.email = email
 136                 self.password = password
 137                 self.rank = UserRank.NOT_JOINED
 138
 139         def canAccessTodoList(self):
 140                 return Permission.APPROVE_NEW.check(self) or \
 141                                 Permission.APPROVE_RELEASE.check(self) or \
 142                                 Permission.APPROVE_CHANGES.check(self)
 143
 144         def isClaimed(self):
 145                 return self.rank.atLeast(UserRank.NEW_MEMBER)
 146
 147         def checkPerm(self, user, perm):
 148                 if not user.is_authenticated:
 149                         return False
 150
 151                 if type(perm) == str:
 152                         perm = Permission[perm]
 153                 elif type(perm) != Permission:
 154                         raise Exception("Unknown permission given to User.checkPerm()")
 155
 156                 # Members can edit their own packages, and editors can edit any packages
 157                 if perm == Permission.CHANGE_AUTHOR:
 158                         return user.rank.atLeast(UserRank.EDITOR)
 159                 elif perm == Permission.CHANGE_RANK or perm == Permission.CHANGE_DNAME:
 160                         return user.rank.atLeast(UserRank.MODERATOR)
 161                 elif perm == Permission.CHANGE_EMAIL:
 162                         return user == self or (user.rank.atLeast(UserRank.MODERATOR) and user.rank.atLeast(self.rank))
 163                 else:
 164                         raise Exception("Permission {} is not related to users".format(perm.name))
 165
 166 class UserEmailVerification(db.Model):
 167         id      = db.Column(db.Integer, primary_key=True)
 168         user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
 169         email   = db.Column(db.String(100))
 170         token   = db.Column(db.String(32))
 171         user    = db.relationship("User", foreign_keys=[user_id])
 172
 173 class Notification(db.Model):
 174         id        = db.Column(db.Integer, primary_key=True)
 175         user_id   = db.Column(db.Integer, db.ForeignKey("user.id"))
 176         causer_id = db.Column(db.Integer, db.ForeignKey("user.id"))
 177         user      = db.relationship("User", foreign_keys=[user_id])
 178         causer    = db.relationship("User", foreign_keys=[causer_id])
 179
 180         title     = db.Column(db.String(100), nullable=False)
 181         url       = db.Column(db.String(200), nullable=True)
 182
 183         def __init__(self, us, cau, titl, ur):
 184                 self.user   = us
 185                 self.causer = cau
 186                 self.title  = titl
 187                 self.url    = ur
 188
 189
 190 class License(db.Model):
 191         id      = db.Column(db.Integer, primary_key=True)
 192         name    = db.Column(db.String(50), nullable=False, unique=True)
 193         is_foss = db.Column(db.Boolean,    nullable=False, default=True)
 194
 195         def __init__(self, v, is_foss=True):
 196                 self.name = v
 197                 self.is_foss = is_foss
 198
 199         def __str__(self):
 200                 return self.name
 201
 202
 203 class PackageType(enum.Enum):
 204         MOD  = "Mod"
 205         GAME = "Game"
 206         TXP  = "Texture Pack"
 207
 208         def toName(self):
 209                 return self.name.lower()
 210
 211         def __str__(self):
 212                 return self.name
 213
 214         @classmethod
 215         def choices(cls):
 216                 return [(choice, choice.value) for choice in cls]
 217
 218         @classmethod
 219         def coerce(cls, item):
 220                 return item if type(item) == PackageType else PackageType[item]
 221
 222
 223 class PackagePropertyKey(enum.Enum):
 224         name          = "Name"
 225         title         = "Title"
 226         shortDesc     = "Short Description"
 227         desc          = "Description"
 228         type          = "Type"
 229         license       = "License"
 230         media_license = "Media License"
 231         tags          = "Tags"
 232         provides      = "Provides"
 233         repo          = "Repository"
 234         website       = "Website"
 235         issueTracker  = "Issue Tracker"
 236         forums        = "Forum Topic ID"
 237
 238         def convert(self, value):
 239                 if self == PackagePropertyKey.tags:
 240                         return ",".join([t.title for t in value])
 241                 elif self == PackagePropertyKey.provides:
 242                         return ",".join([t.name for t in value])
 243                 else:
 244                         return str(value)
 245
 246 provides = db.Table("provides",
 247         db.Column("package_id",    db.Integer, db.ForeignKey("package.id"), primary_key=True),
 248     db.Column("metapackage_id", db.Integer, db.ForeignKey("meta_package.id"), primary_key=True)
 249 )
 250
 251 tags = db.Table("tags",
 252     db.Column("tag_id", db.Integer, db.ForeignKey("tag.id"), primary_key=True),
 253     db.Column("package_id", db.Integer, db.ForeignKey("package.id"), primary_key=True)
 254 )
 255
 256 class Dependency(db.Model):
 257         id              = db.Column(db.Integer, primary_key=True)
 258         depender_id     = db.Column(db.Integer, db.ForeignKey("package.id"),     nullable=True)
 259         package_id      = db.Column(db.Integer, db.ForeignKey("package.id"),     nullable=True)
 260         package         = db.relationship("Package", foreign_keys=[package_id])
 261         meta_package_id = db.Column(db.Integer, db.ForeignKey("meta_package.id"), nullable=True)
 262         optional        = db.Column(db.Boolean, nullable=False, default=False)
 263         __table_args__  = (db.UniqueConstraint('depender_id', 'package_id', 'meta_package_id', name='_dependency_uc'), )
 264
 265         def __init__(self, depender=None, package=None, meta=None):
 266                 if depender is None:
 267                         return
 268
 269                 self.depender = depender
 270
 271                 packageProvided = package is not None
 272                 metaProvided = meta is not None
 273
 274                 if packageProvided and not metaProvided:
 275                         self.package = package
 276                 elif metaProvided and not packageProvided:
 277                         self.meta_package = meta
 278                 else:
 279                         raise Exception("Either meta or package must be given, but not both!")
 280
 281         def __str__(self):
 282                 if self.package is not None:
 283                         return self.package.author.username + "/" + self.package.name
 284                 elif self.meta_package is not None:
 285                         return self.meta_package.name
 286                 else:
 287                         raise Exception("Meta and package are both none!")
 288
 289         @staticmethod
 290         def SpecToList(depender, spec, cache={}):
 291                 retval = []
 292                 arr = spec.split(",")
 293
 294                 import re
 295                 pattern1 = re.compile("^([a-z0-9_]+)$")
 296                 pattern2 = re.compile("^([A-Za-z0-9_]+)/([a-z0-9_]+)$")
 297
 298                 for x in arr:
 299                         x = x.strip()
 300                         if x == "":
 301                                 continue
 302
 303                         if pattern1.match(x):
 304                                 meta = MetaPackage.GetOrCreate(x, cache)
 305                                 retval.append(Dependency(depender, meta=meta))
 306                         else:
 307                                 m = pattern2.match(x)
 308                                 username = m.group(1)
 309                                 name     = m.group(2)
 310                                 user = User.query.filter_by(username=username).first()
 311                                 if user is None:
 312                                         raise Exception("Unable to find user " + username)
 313
 314                                 package = Package.query.filter_by(author=user, name=name).first()
 315                                 if package is None:
 316                                         raise Exception("Unable to find package " + name + " by " + username)
 317
 318                                 retval.append(Dependency(depender, package=package))
 319
 320                 return retval
 321
 322
 323
 324 class Package(db.Model):
 325         id           = db.Column(db.Integer, primary_key=True)
 326
 327         # Basic details
 328         author_id    = db.Column(db.Integer, db.ForeignKey("user.id"))
 329         name         = db.Column(db.String(100), nullable=False)
 330         title        = db.Column(db.String(100), nullable=False)
 331         shortDesc    = db.Column(db.String(200), nullable=False)
 332         desc         = db.Column(db.Text, nullable=True)
 333         type         = db.Column(db.Enum(PackageType))
 334         created_at   = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
 335
 336         license_id   = db.Column(db.Integer, db.ForeignKey("license.id"), nullable=False, default=1)
 337         license      = db.relationship("License", foreign_keys=[license_id])
 338         media_license_id = db.Column(db.Integer, db.ForeignKey("license.id"), nullable=False, default=1)
 339         media_license    = db.relationship("License", foreign_keys=[media_license_id])
 340
 341         approved     = db.Column(db.Boolean, nullable=False, default=False)
 342         soft_deleted = db.Column(db.Boolean, nullable=False, default=False)
 343
 344         score        = db.Column(db.Float, nullable=False, default=0)
 345
 346         review_thread_id = db.Column(db.Integer, db.ForeignKey("thread.id"), nullable=True, default=None)
 347         review_thread    = db.relationship("Thread", foreign_keys=[review_thread_id])
 348
 349         # Downloads
 350         repo         = db.Column(db.String(200), nullable=True)
 351         website      = db.Column(db.String(200), nullable=True)
 352         issueTracker = db.Column(db.String(200), nullable=True)
 353         forums       = db.Column(db.Integer,     nullable=True)
 354
 355         provides = db.relationship("MetaPackage", secondary=provides, lazy="subquery",
 356                         backref=db.backref("packages", lazy="dynamic"))
 357
 358         dependencies = db.relationship("Dependency", backref="depender", lazy="dynamic", foreign_keys=[Dependency.depender_id])
 359
 360         tags = db.relationship("Tag", secondary=tags, lazy="subquery",
 361                         backref=db.backref("packages", lazy=True))
 362
 363         releases = db.relationship("PackageRelease", backref="package",
 364                         lazy="dynamic", order_by=db.desc("package_release_releaseDate"))
 365
 366         screenshots = db.relationship("PackageScreenshot", backref="package",
 367                         lazy="dynamic")
 368
 369         requests = db.relationship("EditRequest", backref="package",
 370                         lazy="dynamic")
 371
 372         def __init__(self, package=None):
 373                 if package is None:
 374                         return
 375
 376                 self.author_id = package.author_id
 377                 self.created_at = package.created_at
 378                 self.approved = package.approved
 379
 380                 for e in PackagePropertyKey:
 381                         setattr(self, e.name, getattr(package, e.name))
 382
 383         def getAsDictionaryShort(self, base_url):
 384                 tnurl = self.getThumbnailURL()
 385                 return {
 386                         "name": self.name,
 387                         "title": self.title,
 388                         "author": self.author.display_name,
 389                         "shortDesc": self.shortDesc,
 390                         "type": self.type.toName(),
 391                         "release": self.getDownloadRelease().id if self.getDownloadRelease() is not None else None,
 392                         "thumbnail": (base_url + tnurl) if tnurl is not None else None,
 393                         "score": round(self.score * 10) / 10
 394                 }
 395
 396         def getAsDictionary(self, base_url):
 397                 tnurl = self.getThumbnailURL()
 398                 return {
 399                         "author": self.author.display_name,
 400                         "name": self.name,
 401                         "title": self.title,
 402                         "shortDesc": self.shortDesc,
 403                         "desc": self.desc,
 404                         "type": self.type.toName(),
 405                         "createdAt": self.created_at,
 406
 407                         "license": self.license.name,
 408                         "mediaLicense": self.media_license.name,
 409
 410                         "repo": self.repo,
 411                         "website": self.website,
 412                         "issueTracker": self.issueTracker,
 413                         "forums": self.forums,
 414
 415                         "provides": [x.name for x in self.provides],
 416                         "thumbnail": (base_url + tnurl) if tnurl is not None else None,
 417                         "screenshots": [base_url + ss.url for ss in self.screenshots],
 418
 419                         "url": base_url + self.getDownloadURL(),
 420                         "release": self.getDownloadRelease().id if self.getDownloadRelease() is not None else None,
 421
 422                         "score": round(self.score * 10) / 10
 423                 }
 424
 425         def getThumbnailURL(self):
 426                 screenshot = self.screenshots.filter_by(approved=True).first()
 427                 return screenshot.getThumbnailURL() if screenshot is not None else None
 428
 429         def getMainScreenshotURL(self):
 430                 screenshot = self.screenshots.filter_by(approved=True).first()
 431                 return screenshot.url if screenshot is not None else None
 432
 433         def getDetailsURL(self):
 434                 return url_for("package_page",
 435                                 author=self.author.username, name=self.name)
 436
 437         def getEditURL(self):
 438                 return url_for("create_edit_package_page",
 439                                 author=self.author.username, name=self.name)
 440
 441         def getApproveURL(self):
 442                 return url_for("approve_package_page",
 443                                 author=self.author.username, name=self.name)
 444
 445         def getDeleteURL(self):
 446                 return url_for("delete_package_page",
 447                                 author=self.author.username, name=self.name)
 448
 449         def getNewScreenshotURL(self):
 450                 return url_for("create_screenshot_page",
 451                                 author=self.author.username, name=self.name)
 452
 453         def getCreateReleaseURL(self):
 454                 return url_for("create_release_page",
 455                                 author=self.author.username, name=self.name)
 456
 457         def getCreateEditRequestURL(self):
 458                 return url_for("create_edit_editrequest_page",
 459                                 author=self.author.username, name=self.name)
 460
 461         def getDownloadURL(self):
 462                 return url_for("package_download_page",
 463                                 author=self.author.username, name=self.name)
 464
 465         def getDownloadRelease(self):
 466                 for rel in self.releases:
 467                         if rel.approved:
 468                                 return rel
 469
 470                 return None
 471
 472         def checkPerm(self, user, perm):
 473                 if not user.is_authenticated:
 474                         return False
 475
 476                 if type(perm) == str:
 477                         perm = Permission[perm]
 478                 elif type(perm) != Permission:
 479                         raise Exception("Unknown permission given to Package.checkPerm()")
 480
 481                 isOwner = user == self.author
 482
 483                 # Members can edit their own packages, and editors can edit any packages
 484                 if perm == Permission.MAKE_RELEASE or perm == Permission.ADD_SCREENSHOTS or perm == Permission.CREATE_THREAD:
 485                         return isOwner or user.rank.atLeast(UserRank.EDITOR)
 486
 487                 if perm == Permission.EDIT_PACKAGE or perm == Permission.APPROVE_CHANGES:
 488                         if isOwner:
 489                                 return user.rank.atLeast(UserRank.MEMBER if self.approved else UserRank.NEW_MEMBER)
 490                         else:
 491                                 return user.rank.atLeast(UserRank.EDITOR)
 492
 493                 # Editors can change authors and approve new packages
 494                 elif perm == Permission.APPROVE_NEW or perm == Permission.CHANGE_AUTHOR:
 495                         return user.rank.atLeast(UserRank.EDITOR)
 496
 497                 elif perm == Permission.APPROVE_RELEASE or perm == Permission.APPROVE_SCREENSHOT:
 498                         return user.rank.atLeast(UserRank.TRUSTED_MEMBER if isOwner else UserRank.EDITOR)
 499
 500                 # Moderators can delete packages
 501                 elif perm == Permission.DELETE_PACKAGE or perm == Permission.CHANGE_RELEASE_URL:
 502                         return user.rank.atLeast(UserRank.MODERATOR)
 503
 504                 else:
 505                         raise Exception("Permission {} is not related to packages".format(perm.name))
 506
 507         def recalcScore(self):
 508                 import datetime
 509
 510                 self.score = 0
 511
 512                 if self.forums is None:
 513                         return
 514
 515                 topic = ForumTopic.query.get(self.forums)
 516                 if topic:
 517                         days   = (datetime.datetime.now() - topic.created_at).days
 518                         months = days / 30
 519                         years  = days / 365
 520                         self.score = topic.views / years + 80*min(6, months)
 521
 522 class MetaPackage(db.Model):
 523         id           = db.Column(db.Integer, primary_key=True)
 524         name         = db.Column(db.String(100), unique=True, nullable=False)
 525         dependencies = db.relationship("Dependency", backref="meta_package", lazy="dynamic")
 526
 527         def __init__(self, name=None):
 528                 self.name = name
 529
 530         def __str__(self):
 531                 return self.name
 532
 533         @staticmethod
 534         def ListToSpec(list):
 535                 return ",".join([str(x) for x in list])
 536
 537         @staticmethod
 538         def GetOrCreate(name, cache={}):
 539                 mp = cache.get(name)
 540                 if mp is None:
 541                         mp = MetaPackage.query.filter_by(name=name).first()
 542
 543                 if mp is None:
 544                         mp = MetaPackage(name)
 545                         db.session.add(mp)
 546
 547                 cache[name] = mp
 548                 return mp
 549
 550         @staticmethod
 551         def SpecToList(spec, cache={}):
 552                 retval = []
 553                 arr = spec.split(",")
 554
 555                 import re
 556                 pattern = re.compile("^([a-z0-9_]+)$")
 557
 558                 for x in arr:
 559                         x = x.strip()
 560                         if x == "":
 561                                 continue
 562
 563                         if not pattern.match(x):
 564                                 continue
 565
 566                         retval.append(MetaPackage.GetOrCreate(x, cache))
 567
 568                 return retval
 569
 570 class Tag(db.Model):
 571         id              = db.Column(db.Integer,    primary_key=True)
 572         name            = db.Column(db.String(100), unique=True, nullable=False)
 573         title           = db.Column(db.String(100), nullable=False)
 574         backgroundColor = db.Column(db.String(6),   nullable=False)
 575         textColor       = db.Column(db.String(6),   nullable=False)
 576
 577         def __init__(self, title, backgroundColor="000000", textColor="ffffff"):
 578                 self.title           = title
 579                 self.backgroundColor = backgroundColor
 580                 self.textColor       = textColor
 581
 582                 import re
 583                 regex = re.compile("[^a-z_]")
 584                 self.name = regex.sub("", self.title.lower().replace(" ", "_"))
 585
 586 class PackageRelease(db.Model):
 587         id           = db.Column(db.Integer, primary_key=True)
 588
 589         package_id   = db.Column(db.Integer, db.ForeignKey("package.id"))
 590         title        = db.Column(db.String(100), nullable=False)
 591         releaseDate  = db.Column(db.DateTime,        nullable=False)
 592         url          = db.Column(db.String(200), nullable=False)
 593         approved     = db.Column(db.Boolean, nullable=False, default=False)
 594         task_id      = db.Column(db.String(37), nullable=True)
 595         commit_hash  = db.Column(db.String(41), nullable=True, default=None)
 596
 597
 598         def getEditURL(self):
 599                 return url_for("edit_release_page",
 600                                 author=self.package.author.username,
 601                                 name=self.package.name,
 602                                 id=self.id)
 603
 604         def __init__(self):
 605                 self.releaseDate = datetime.now()
 606
 607 class PackageScreenshot(db.Model):
 608         id         = db.Column(db.Integer, primary_key=True)
 609         package_id = db.Column(db.Integer, db.ForeignKey("package.id"))
 610         title      = db.Column(db.String(100), nullable=False)
 611         url        = db.Column(db.String(100), nullable=False)
 612         approved   = db.Column(db.Boolean, nullable=False, default=False)
 613
 614
 615         def getEditURL(self):
 616                 return url_for("edit_screenshot_page",
 617                                 author=self.package.author.username,
 618                                 name=self.package.name,
 619                                 id=self.id)
 620
 621         def getThumbnailURL(self):
 622                 return self.url.replace("/uploads/", "/thumbnails/350x233/")
 623
 624 class EditRequest(db.Model):
 625         id           = db.Column(db.Integer, primary_key=True)
 626
 627         package_id   = db.Column(db.Integer, db.ForeignKey("package.id"))
 628         author_id    = db.Column(db.Integer, db.ForeignKey("user.id"))
 629
 630         title        = db.Column(db.String(100), nullable=False)
 631         desc         = db.Column(db.String(1000), nullable=True)
 632
 633         # 0 - open
 634         # 1 - merged
 635         # 2 - rejected
 636         status       = db.Column(db.Integer, nullable=False, default=0)
 637
 638         changes = db.relationship("EditRequestChange", backref="request",
 639                         lazy="dynamic")
 640
 641         def getURL(self):
 642                 return url_for("view_editrequest_page",
 643                                 author=self.package.author.username,
 644                                 name=self.package.name,
 645                                 id=self.id)
 646
 647         def getApproveURL(self):
 648                 return url_for("approve_editrequest_page",
 649                                 author=self.package.author.username,
 650                                 name=self.package.name,
 651                                 id=self.id)
 652
 653         def getRejectURL(self):
 654                 return url_for("reject_editrequest_page",
 655                                 author=self.package.author.username,
 656                                 name=self.package.name,
 657                                 id=self.id)
 658
 659         def getEditURL(self):
 660                 return url_for("create_edit_editrequest_page",
 661                                 author=self.package.author.username,
 662                                 name=self.package.name,
 663                                 id=self.id)
 664
 665         def applyAll(self, package):
 666                 for change in self.changes:
 667                         change.apply(package)
 668
 669
 670         def checkPerm(self, user, perm):
 671                 if not user.is_authenticated:
 672                         return False
 673
 674                 if type(perm) == str:
 675                         perm = Permission[perm]
 676                 elif type(perm) != Permission:
 677                         raise Exception("Unknown permission given to EditRequest.checkPerm()")
 678
 679                 isOwner = user == self.author
 680
 681                 # Members can edit their own packages, and editors can edit any packages
 682                 if perm == Permission.EDIT_EDITREQUEST:
 683                         return isOwner or user.rank.atLeast(UserRank.EDITOR)
 684
 685                 else:
 686                         raise Exception("Permission {} is not related to packages".format(perm.name))
 687
 688
 689
 690
 691 class EditRequestChange(db.Model):
 692         id           = db.Column(db.Integer, primary_key=True)
 693
 694         request_id   = db.Column(db.Integer, db.ForeignKey("edit_request.id"))
 695         key          = db.Column(db.Enum(PackagePropertyKey), nullable=False)
 696
 697         # TODO: make diff instead
 698         oldValue     = db.Column(db.Text, nullable=True)
 699         newValue     = db.Column(db.Text, nullable=True)
 700
 701         def apply(self, package):
 702                 if self.key == PackagePropertyKey.tags:
 703                         package.tags.clear()
 704                         for tagTitle in self.newValue.split(","):
 705                                 tag = Tag.query.filter_by(title=tagTitle.strip()).first()
 706                                 package.tags.append(tag)
 707
 708                 else:
 709                         setattr(package, self.key.name, self.newValue)
 710
 711
 712 watchers = db.Table("watchers",
 713     db.Column("user_id", db.Integer, db.ForeignKey("user.id"), primary_key=True),
 714     db.Column("thread_id", db.Integer, db.ForeignKey("thread.id"), primary_key=True)
 715 )
 716
 717 class Thread(db.Model):
 718         id         = db.Column(db.Integer, primary_key=True)
 719
 720         package_id = db.Column(db.Integer, db.ForeignKey("package.id"), nullable=True)
 721         package    = db.relationship("Package", foreign_keys=[package_id])
 722
 723         author_id  = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
 724         title      = db.Column(db.String(100), nullable=False)
 725         private    = db.Column(db.Boolean, server_default="0")
 726
 727         created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
 728
 729         replies    = db.relationship("ThreadReply", backref="thread", lazy="dynamic")
 730
 731         watchers   = db.relationship("User", secondary=watchers, lazy="subquery", \
 732                                                 backref=db.backref("watching", lazy=True))
 733
 734
 735         def getSubscribeURL(self):
 736                 return url_for("thread_subscribe_page",
 737                                 id=self.id)
 738
 739         def getUnsubscribeURL(self):
 740                 return url_for("thread_unsubscribe_page",
 741                                 id=self.id)
 742
 743         def checkPerm(self, user, perm):
 744                 if not user.is_authenticated:
 745                         return not self.private
 746
 747                 if type(perm) == str:
 748                         perm = Permission[perm]
 749                 elif type(perm) != Permission:
 750                         raise Exception("Unknown permission given to Thread.checkPerm()")
 751
 752                 isOwner = user == self.author or (self.package is not None and self.package.author == user)
 753
 754                 if perm == Permission.SEE_THREAD:
 755                         return not self.private or isOwner or user.rank.atLeast(UserRank.EDITOR)
 756
 757                 else:
 758                         raise Exception("Permission {} is not related to threads".format(perm.name))
 759
 760 class ThreadReply(db.Model):
 761         id         = db.Column(db.Integer, primary_key=True)
 762         thread_id  = db.Column(db.Integer, db.ForeignKey("thread.id"), nullable=False)
 763         comment    = db.Column(db.String(500), nullable=False)
 764         author_id  = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
 765         created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
 766
 767
 768
 769
 770
 771
 772 REPO_BLACKLIST = [".zip", "mediafire.com", "dropbox.com", "weebly.com", \
 773                 "minetest.net", "dropboxusercontent.com", "4shared.com", \
 774                 "digitalaudioconcepts.com", "hg.intevation.org", "www.wtfpl.net", \
 775                 "imageshack.com", "imgur.com"]
 776
 777 class ForumTopic(db.Model):
 778         topic_id  = db.Column(db.Integer, primary_key=True, autoincrement=False)
 779         author_id = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
 780         author    = db.relationship("User")
 781
 782         wip       = db.Column(db.Boolean, server_default="0")
 783
 784         type      = db.Column(db.Enum(PackageType), nullable=False)
 785         title     = db.Column(db.String(200), nullable=False)
 786         name      = db.Column(db.String(30), nullable=True)
 787         link      = db.Column(db.String(200), nullable=True)
 788
 789         posts     = db.Column(db.Integer, nullable=False)
 790         views     = db.Column(db.Integer, nullable=False)
 791
 792         created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
 793
 794         def getRepoURL(self):
 795                 if self.link is None:
 796                         return None
 797
 798                 for item in REPO_BLACKLIST:
 799                         if item in self.link:
 800                                 return None
 801
 802                 return self.link.replace("repo.or.cz/w/", "repo.or.cz/")
 803
 804         def getAsDictionary(self):
 805                 return {
 806                         "author": self.author.username,
 807                         "name":   self.name,
 808                         "type":   self.type.toName(),
 809                         "title":  self.title,
 810                         "id":     self.topic_id,
 811                         "link":   self.link,
 812                         "posts":  self.posts,
 813                         "views":  self.views,
 814                         "is_wip": self.wip,
 815                         "created_at": self.created_at.isoformat(),
 816                 }
 817
 818
 819 # Setup Flask-User
 820 db_adapter = SQLAlchemyAdapter(db, User)        # Register the User model
 821 user_manager = UserManager(db_adapter, app)     # Initialize Flask-User