contentdb/app/models.py

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# Content DB
# Copyright (C) 2018 rubenwardy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from flask import Flask, url_for
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from flask_sqlalchemy import SQLAlchemy
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from flask_migrate import Migrate
from urllib.parse import urlparse
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from app import app
from datetime import datetime
from sqlalchemy.orm import validates
from flask_user import login_required, UserManager, UserMixin, SQLAlchemyAdapter
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import enum
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# Initialise database
db = SQLAlchemy(app)
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migrate = Migrate(app, db)
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class UserRank(enum.Enum):
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BANNED = 0
NOT_JOINED = 1
NEW_MEMBER = 2
MEMBER = 3
TRUSTED_MEMBER = 4
EDITOR = 5
MODERATOR = 6
ADMIN = 7
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def atLeast(self, min):
return self.value >= min.value
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def getTitle(self):
return self.name.replace("_", " ").title()
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def toName(self):
return self.name.lower()
def __str__(self):
return self.name
@classmethod
def choices(cls):
return [(choice, choice.getTitle()) for choice in cls]
@classmethod
def coerce(cls, item):
return item if type(item) == UserRank else UserRank[item]
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class Permission(enum.Enum):
EDIT_PACKAGE = "EDIT_PACKAGE"
APPROVE_CHANGES = "APPROVE_CHANGES"
DELETE_PACKAGE = "DELETE_PACKAGE"
CHANGE_AUTHOR = "CHANGE_AUTHOR"
MAKE_RELEASE = "MAKE_RELEASE"
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ADD_SCREENSHOTS = "ADD_SCREENSHOTS"
APPROVE_SCREENSHOT = "APPROVE_SCREENSHOT"
APPROVE_RELEASE = "APPROVE_RELEASE"
APPROVE_NEW = "APPROVE_NEW"
CHANGE_RELEASE_URL = "CHANGE_RELEASE_URL"
CHANGE_DNAME = "CHANGE_DNAME"
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CHANGE_RANK = "CHANGE_RANK"
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CHANGE_EMAIL = "CHANGE_EMAIL"
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EDIT_EDITREQUEST = "EDIT_EDITREQUEST"
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# Only return true if the permission is valid for *all* contexts
# See Package.checkPerm for package-specific contexts
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def check(self, user):
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if not user.is_authenticated:
return False
if self == Permission.APPROVE_NEW or \
self == Permission.APPROVE_CHANGES or \
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self == Permission.APPROVE_RELEASE or \
self == Permission.APPROVE_SCREENSHOT:
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return user.rank.atLeast(UserRank.EDITOR)
else:
raise Exception("Non-global permission checked globally. Use Package.checkPerm or User.checkPerm instead.")
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class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
# User authentication information
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username = db.Column(db.String(50, collation="NOCASE"), nullable=False, unique=True, index=True)
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password = db.Column(db.String(255), nullable=True)
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reset_password_token = db.Column(db.String(100), nullable=False, server_default="")
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rank = db.Column(db.Enum(UserRank))
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# Account linking
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github_username = db.Column(db.String(50, collation="NOCASE"), nullable=True, unique=True)
forums_username = db.Column(db.String(50, collation="NOCASE"), nullable=True, unique=True)
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# User email information
email = db.Column(db.String(255), nullable=True, unique=True)
confirmed_at = db.Column(db.DateTime())
# User information
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active = db.Column("is_active", db.Boolean, nullable=False, server_default="0")
display_name = db.Column(db.String(100), nullable=False, server_default="")
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# Content
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notifications = db.relationship("Notification", primaryjoin="User.id==Notification.user_id")
# causednotifs = db.relationship("Notification", backref="causer", lazy="dynamic")
packages = db.relationship("Package", backref="author", lazy="dynamic")
requests = db.relationship("EditRequest", backref="author", lazy="dynamic")
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def __init__(self, username, active=False, email=None, password=None):
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import datetime
self.username = username
self.confirmed_at = datetime.datetime.now() - datetime.timedelta(days=6000)
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self.display_name = username
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self.active = active
self.email = email
self.password = password
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self.rank = UserRank.NOT_JOINED
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def canAccessTodoList(self):
return Permission.APPROVE_NEW.check(self) or \
Permission.APPROVE_RELEASE.check(self) or \
Permission.APPROVE_CHANGES.check(self)
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def isClaimed(self):
return self.rank.atLeast(UserRank.NEW_MEMBER)
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def checkPerm(self, user, perm):
if not user.is_authenticated:
return False
if type(perm) == str:
perm = Permission[perm]
elif type(perm) != Permission:
raise Exception("Unknown permission given to User.checkPerm()")
# Members can edit their own packages, and editors can edit any packages
if perm == Permission.CHANGE_AUTHOR:
return user.rank.atLeast(UserRank.EDITOR)
elif perm == Permission.CHANGE_RANK or perm == Permission.CHANGE_DNAME:
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return user.rank.atLeast(UserRank.MODERATOR)
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elif perm == Permission.CHANGE_EMAIL:
return user == self or (user.rank.atLeast(UserRank.MODERATOR) and user.rank.atLeast(self.rank))
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else:
raise Exception("Permission {} is not related to users".format(perm.name))
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class UserEmailVerification(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
email = db.Column(db.String(100))
token = db.Column(db.String(32))
user = db.relationship("User", foreign_keys=[user_id])
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class Notification(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
causer_id = db.Column(db.Integer, db.ForeignKey("user.id"))
user = db.relationship("User", foreign_keys=[user_id])
causer = db.relationship("User", foreign_keys=[causer_id])
title = db.Column(db.String(100), nullable=False)
url = db.Column(db.String(200), nullable=True)
def __init__(self, us, cau, titl, ur):
self.user = us
self.causer = cau
self.title = titl
self.url = ur
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class License(db.Model):
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id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(50), nullable=False, unique=True)
is_foss = db.Column(db.Boolean, nullable=False, default=True)
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def __init__(self, v, is_foss=True):
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self.name = v
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self.is_foss = is_foss
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def __str__(self):
return self.name
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class PackageType(enum.Enum):
MOD = "Mod"
GAME = "Game"
TXP = "Texture Pack"
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def toName(self):
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return self.name.lower()
def __str__(self):
return self.name
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@classmethod
def choices(cls):
return [(choice, choice.value) for choice in cls]
@classmethod
def coerce(cls, item):
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return item if type(item) == PackageType else PackageType[item]
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class PackagePropertyKey(enum.Enum):
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name = "Name"
title = "Title"
shortDesc = "Short Description"
desc = "Description"
type = "Type"
license = "License"
media_license = "Media License"
tags = "Tags"
provides = "Provides"
repo = "Repository"
website = "Website"
issueTracker = "Issue Tracker"
forums = "Forum Topic ID"
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def convert(self, value):
if self == PackagePropertyKey.tags:
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return ",".join([t.title for t in value])
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elif self == PackagePropertyKey.provides:
return ",".join([t.name for t in value])
else:
return str(value)
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provides = db.Table("provides",
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db.Column("package_id", db.Integer, db.ForeignKey("package.id"), primary_key=True),
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db.Column("metapackage_id", db.Integer, db.ForeignKey("meta_package.id"), primary_key=True)
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)
tags = db.Table("tags",
db.Column("tag_id", db.Integer, db.ForeignKey("tag.id"), primary_key=True),
db.Column("package_id", db.Integer, db.ForeignKey("package.id"), primary_key=True)
)
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class Dependency(db.Model):
id = db.Column(db.Integer, primary_key=True)
depender_id = db.Column(db.Integer, db.ForeignKey("package.id"), nullable=True)
package_id = db.Column(db.Integer, db.ForeignKey("package.id"), nullable=True)
package = db.relationship("Package", foreign_keys=[package_id])
meta_package_id = db.Column(db.Integer, db.ForeignKey("meta_package.id"), nullable=True)
optional = db.Column(db.Boolean, nullable=False, default=False)
__table_args__ = (db.UniqueConstraint('depender_id', 'package_id', 'meta_package_id', name='_dependency_uc'), )
def __init__(self, depender=None, package=None, meta=None):
if depender is None:
return
self.depender = depender
packageProvided = package is not None
metaProvided = meta is not None
if packageProvided and not metaProvided:
self.package = package
elif metaProvided and not packageProvided:
self.meta_package = meta
else:
raise Exception("Either meta or package must be given, but not both!")
def __str__(self):
if self.package is not None:
return self.package.author.username + "/" + self.package.name
elif self.meta_package is not None:
return self.meta_package.name
else:
raise Exception("Meta and package are both none!")
@staticmethod
def SpecToList(depender, spec, cache={}):
retval = []
arr = spec.split(",")
import re
pattern1 = re.compile("^([a-z0-9_]+)$")
pattern2 = re.compile("^([A-Za-z0-9_]+)/([a-z0-9_]+)$")
for x in arr:
x = x.strip()
if x == "":
continue
if pattern1.match(x):
meta = MetaPackage.GetOrCreate(x, cache)
retval.append(Dependency(depender, meta=meta))
else:
m = pattern2.match(x)
username = m.group(1)
name = m.group(2)
user = User.query.filter_by(username=username).first()
if user is None:
raise Exception("Unable to find user " + username)
package = Package.query.filter_by(author=user, name=name).first()
if package is None:
raise Exception("Unable to find package " + name + " by " + username)
retval.append(Dependency(depender, package=package))
return retval
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class Package(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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# Basic details
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author_id = db.Column(db.Integer, db.ForeignKey("user.id"))
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name = db.Column(db.String(100), nullable=False)
title = db.Column(db.String(100), nullable=False)
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shortDesc = db.Column(db.String(200), nullable=False)
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desc = db.Column(db.Text, nullable=True)
type = db.Column(db.Enum(PackageType))
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created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
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license_id = db.Column(db.Integer, db.ForeignKey("license.id"), nullable=False, default=1)
license = db.relationship("License", foreign_keys=[license_id])
media_license_id = db.Column(db.Integer, db.ForeignKey("license.id"), nullable=False, default=1)
media_license = db.relationship("License", foreign_keys=[media_license_id])
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approved = db.Column(db.Boolean, nullable=False, default=False)
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soft_deleted = db.Column(db.Boolean, nullable=False, default=False)
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# Downloads
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repo = db.Column(db.String(200), nullable=True)
website = db.Column(db.String(200), nullable=True)
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issueTracker = db.Column(db.String(200), nullable=True)
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forums = db.Column(db.Integer, nullable=True)
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provides = db.relationship("MetaPackage", secondary=provides, lazy="subquery",
backref=db.backref("packages", lazy="dynamic"))
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dependencies = db.relationship("Dependency", backref="depender", lazy="dynamic", foreign_keys=[Dependency.depender_id])
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tags = db.relationship("Tag", secondary=tags, lazy="subquery",
backref=db.backref("packages", lazy=True))
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releases = db.relationship("PackageRelease", backref="package",
lazy="dynamic", order_by=db.desc("package_release_releaseDate"))
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screenshots = db.relationship("PackageScreenshot", backref="package",
lazy="dynamic")
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requests = db.relationship("EditRequest", backref="package",
lazy="dynamic")
def __init__(self, package=None):
if package is None:
return
self.author_id = package.author_id
self.created_at = package.created_at
self.approved = package.approved
for e in PackagePropertyKey:
setattr(self, e.name, getattr(package, e.name))
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def getAsDictionary(self, base_url):
tnurl = self.getThumbnailURL()
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return {
"name": self.name,
"title": self.title,
"author": self.author.display_name,
"shortDesc": self.shortDesc,
"type": self.type.toName(),
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"license": self.license.name,
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"repo": self.repo,
"url": base_url + self.getDownloadURL(),
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"release": self.getDownloadRelease().id if self.getDownloadRelease() is not None else None,
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"screenshots": [base_url + ss.url for ss in self.screenshots],
"thumbnail": (base_url + tnurl) if tnurl is not None else None
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}
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def getThumbnailURL(self):
screenshot = self.screenshots.filter_by(approved=True).first()
return screenshot.getThumbnailURL() if screenshot is not None else None
def getMainScreenshotURL(self):
screenshot = self.screenshots.filter_by(approved=True).first()
return screenshot.url if screenshot is not None else None
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def getDetailsURL(self):
return url_for("package_page",
author=self.author.username, name=self.name)
def getEditURL(self):
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return url_for("create_edit_package_page",
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author=self.author.username, name=self.name)
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def getApproveURL(self):
return url_for("approve_package_page",
author=self.author.username, name=self.name)
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def getDeleteURL(self):
return url_for("delete_package_page",
author=self.author.username, name=self.name)
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def getNewScreenshotURL(self):
return url_for("create_screenshot_page",
author=self.author.username, name=self.name)
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def getCreateReleaseURL(self):
return url_for("create_release_page",
author=self.author.username, name=self.name)
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def getCreateEditRequestURL(self):
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return url_for("create_edit_editrequest_page",
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author=self.author.username, name=self.name)
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def getDownloadURL(self):
return url_for("package_download_page",
author=self.author.username, name=self.name)
def getDownloadRelease(self):
for rel in self.releases:
if rel.approved:
return rel
return None
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def checkPerm(self, user, perm):
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if not user.is_authenticated:
return False
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if type(perm) == str:
perm = Permission[perm]
elif type(perm) != Permission:
raise Exception("Unknown permission given to Package.checkPerm()")
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isOwner = user == self.author
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# Members can edit their own packages, and editors can edit any packages
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if perm == Permission.MAKE_RELEASE or perm == Permission.ADD_SCREENSHOTS:
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return isOwner or user.rank.atLeast(UserRank.EDITOR)
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if perm == Permission.EDIT_PACKAGE or perm == Permission.APPROVE_CHANGES:
if isOwner:
return user.rank.atLeast(UserRank.MEMBER if self.approved else UserRank.NEW_MEMBER)
else:
return user.rank.atLeast(UserRank.EDITOR)
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# Editors can change authors
elif perm == Permission.CHANGE_AUTHOR:
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return user.rank.atLeast(UserRank.EDITOR)
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elif perm == Permission.APPROVE_NEW or perm == Permission.APPROVE_RELEASE \
or perm == Permission.APPROVE_SCREENSHOT:
return user.rank.atLeast(UserRank.TRUSTED_MEMBER if isOwner else UserRank.EDITOR)
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# Moderators can delete packages
elif perm == Permission.DELETE_PACKAGE or perm == Permission.CHANGE_RELEASE_URL:
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return user.rank.atLeast(UserRank.MODERATOR)
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else:
raise Exception("Permission {} is not related to packages".format(perm.name))
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class MetaPackage(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), unique=True, nullable=False)
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dependencies = db.relationship("Dependency", backref="meta_package", lazy="dynamic")
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def __init__(self, name=None):
self.name = name
def __str__(self):
return self.name
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@staticmethod
def ListToSpec(list):
return ",".join([str(x) for x in list])
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@staticmethod
def GetOrCreate(name, cache={}):
mp = cache.get(name)
if mp is None:
mp = MetaPackage.query.filter_by(name=name).first()
if mp is None:
mp = MetaPackage(name)
db.session.add(mp)
cache[name] = mp
return mp
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@staticmethod
def SpecToList(spec, cache={}):
retval = []
arr = spec.split(",")
import re
pattern = re.compile("^([a-z0-9_]+)$")
for x in arr:
x = x.strip()
if x == "":
continue
if not pattern.match(x):
continue
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retval.append(MetaPackage.GetOrCreate(x, cache))
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return retval
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class Tag(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), unique=True, nullable=False)
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title = db.Column(db.String(100), nullable=False)
backgroundColor = db.Column(db.String(6), nullable=False)
textColor = db.Column(db.String(6), nullable=False)
def __init__(self, title, backgroundColor="000000", textColor="ffffff"):
self.title = title
self.backgroundColor = backgroundColor
self.textColor = textColor
import re
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regex = re.compile("[^a-z_]")
self.name = regex.sub("", self.title.lower().replace(" ", "_"))
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class PackageRelease(db.Model):
id = db.Column(db.Integer, primary_key=True)
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package_id = db.Column(db.Integer, db.ForeignKey("package.id"))
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title = db.Column(db.String(100), nullable=False)
releaseDate = db.Column(db.DateTime, nullable=False)
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url = db.Column(db.String(200), nullable=False)
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approved = db.Column(db.Boolean, nullable=False, default=False)
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task_id = db.Column(db.String(37), nullable=True)
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def getEditURL(self):
return url_for("edit_release_page",
author=self.package.author.username,
name=self.package.name,
id=self.id)
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def __init__(self):
self.releaseDate = datetime.now()
2018-03-26 11:52:25 +02:00
class PackageScreenshot(db.Model):
id = db.Column(db.Integer, primary_key=True)
package_id = db.Column(db.Integer, db.ForeignKey("package.id"))
title = db.Column(db.String(100), nullable=False)
url = db.Column(db.String(100), nullable=False)
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approved = db.Column(db.Boolean, nullable=False, default=False)
def getEditURL(self):
return url_for("edit_screenshot_page",
author=self.package.author.username,
name=self.package.name,
id=self.id)
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def getThumbnailURL(self):
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return self.url.replace("/uploads/", "/thumbnails/350x233/")
2018-03-26 11:52:25 +02:00
2018-03-23 20:08:55 +01:00
class EditRequest(db.Model):
id = db.Column(db.Integer, primary_key=True)
package_id = db.Column(db.Integer, db.ForeignKey("package.id"))
author_id = db.Column(db.Integer, db.ForeignKey("user.id"))
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title = db.Column(db.String(100), nullable=False)
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desc = db.Column(db.String(1000), nullable=True)
2018-05-13 16:40:37 +02:00
# 0 - open
# 1 - merged
# 2 - rejected
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status = db.Column(db.Integer, nullable=False, default=0)
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changes = db.relationship("EditRequestChange", backref="request",
lazy="dynamic")
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def getURL(self):
return url_for("view_editrequest_page",
author=self.package.author.username,
name=self.package.name,
id=self.id)
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def getApproveURL(self):
return url_for("approve_editrequest_page",
author=self.package.author.username,
name=self.package.name,
id=self.id)
def getRejectURL(self):
return url_for("reject_editrequest_page",
author=self.package.author.username,
name=self.package.name,
id=self.id)
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def getEditURL(self):
return url_for("create_edit_editrequest_page",
author=self.package.author.username,
name=self.package.name,
id=self.id)
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def applyAll(self, package):
for change in self.changes:
change.apply(package)
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def checkPerm(self, user, perm):
if not user.is_authenticated:
return False
if type(perm) == str:
perm = Permission[perm]
elif type(perm) != Permission:
raise Exception("Unknown permission given to EditRequest.checkPerm()")
isOwner = user == self.author
# Members can edit their own packages, and editors can edit any packages
if perm == Permission.EDIT_EDITREQUEST:
return isOwner or user.rank.atLeast(UserRank.EDITOR)
else:
raise Exception("Permission {} is not related to packages".format(perm.name))
2018-03-23 20:25:48 +01:00
2018-03-23 20:08:55 +01:00
class EditRequestChange(db.Model):
id = db.Column(db.Integer, primary_key=True)
request_id = db.Column(db.Integer, db.ForeignKey("edit_request.id"))
key = db.Column(db.Enum(PackagePropertyKey), nullable=False)
# TODO: make diff instead
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oldValue = db.Column(db.Text, nullable=True)
newValue = db.Column(db.Text, nullable=True)
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def apply(self, package):
if self.key == PackagePropertyKey.tags:
package.tags.clear()
for tagTitle in self.newValue.split(","):
tag = Tag.query.filter_by(title=tagTitle.strip()).first()
package.tags.append(tag)
else:
setattr(package, self.key.name, self.newValue)
2018-03-23 20:08:55 +01:00
2018-06-06 00:45:15 +02:00
REPO_BLACKLIST = [".zip", "mediafire.com", "dropbox.com", "weebly.com", \
"minetest.net", "dropboxusercontent.com", "4shared.com", \
"digitalaudioconcepts.com", "hg.intevation.org", "www.wtfpl.net", \
"imageshack.com", "imgur.com"]
class KrockForumTopic(db.Model):
topic_id = db.Column(db.Integer, primary_key=True, autoincrement=False)
author_id = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
author = db.relationship("User")
ttype = db.Column(db.Integer, nullable=False)
title = db.Column(db.String(200), nullable=False)
name = db.Column(db.String(30), nullable=True)
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link = db.Column(db.String(200), nullable=True)
def getType(self):
if self.ttype == 1 or self.ttype == 2:
return PackageType.MOD
elif self.ttype == 6:
return PackageType.GAME
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def getRepoURL(self):
for item in REPO_BLACKLIST:
if item in self.link:
return None
return self.link.replace("repo.or.cz/w/", "repo.or.cz/")
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# Setup Flask-User
db_adapter = SQLAlchemyAdapter(db, User) # Register the User model
user_manager = UserManager(db_adapter, app) # Initialize Flask-User