]> git.lizzy.rs Git - cheatdb.git/blobdiff - app/models.py
Add Minetest version checking to packages API
[cheatdb.git] / app / models.py
index 4f5fee2991b7c376ec5a606ff528f7485b7aa4e5..c1ec7274f22af689c0c8cba3fb02531ab27eac01 100644 (file)
@@ -1,22 +1,43 @@
+# 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/>.
+
+
 from flask import Flask, url_for
 from flask_sqlalchemy import SQLAlchemy
-from app import app
-from datetime import datetime
+from flask_migrate import Migrate
+from urllib.parse import urlparse
+from app import app, gravatar
 from sqlalchemy.orm import validates
 from flask_user import login_required, UserManager, UserMixin, SQLAlchemyAdapter
-import enum
+import enum, datetime
 
 # Initialise database
 db = SQLAlchemy(app)
+migrate = Migrate(app, db)
 
 
 class UserRank(enum.Enum):
-       NOT_JOINED = 0
-       NEW_MEMBER = 1
-       MEMBER     = 2
-       EDITOR     = 3
-       MODERATOR  = 4
-       ADMIN      = 5
+       BANNED         = 0
+       NOT_JOINED     = 1
+       NEW_MEMBER     = 2
+       MEMBER         = 3
+       TRUSTED_MEMBER = 4
+       EDITOR         = 5
+       MODERATOR      = 6
+       ADMIN          = 7
 
        def atLeast(self, min):
                return self.value >= min.value
@@ -45,10 +66,19 @@ class Permission(enum.Enum):
        DELETE_PACKAGE     = "DELETE_PACKAGE"
        CHANGE_AUTHOR      = "CHANGE_AUTHOR"
        MAKE_RELEASE       = "MAKE_RELEASE"
+       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"
        CHANGE_RANK        = "CHANGE_RANK"
+       CHANGE_EMAIL       = "CHANGE_EMAIL"
+       EDIT_EDITREQUEST   = "EDIT_EDITREQUEST"
+       SEE_THREAD         = "SEE_THREAD"
+       CREATE_THREAD      = "CREATE_THREAD"
+       UNAPPROVE_PACKAGE  = "UNAPPROVE_PACKAGE"
+       TOPIC_DISCARD      = "TOPIC_DISCARD"
 
        # Only return true if the permission is valid for *all* contexts
        # See Package.checkPerm for package-specific contexts
@@ -57,49 +87,68 @@ class Permission(enum.Enum):
                        return False
 
                if self == Permission.APPROVE_NEW or \
-                               self == Permission.APPROVE_CHANGES or \
-                               self == Permission.APPROVE_RELEASE:
+                               self == Permission.APPROVE_CHANGES    or \
+                               self == Permission.APPROVE_RELEASE    or \
+                               self == Permission.APPROVE_SCREENSHOT or \
+                               self == Permission.SEE_THREAD:
                        return user.rank.atLeast(UserRank.EDITOR)
                else:
                        raise Exception("Non-global permission checked globally. Use Package.checkPerm or User.checkPerm instead.")
 
-
 class User(db.Model, UserMixin):
-       id = db.Column(db.Integer, primary_key=True)
+       id           = db.Column(db.Integer, primary_key=True)
 
        # User authentication information
-       username = db.Column(db.String(50), nullable=False, unique=True)
-       password = db.Column(db.String(255), nullable=False, server_default="")
+       username     = db.Column(db.String(50, collation="NOCASE"), nullable=False, unique=True, index=True)
+       password     = db.Column(db.String(255), nullable=True)
        reset_password_token = db.Column(db.String(100), nullable=False, server_default="")
 
-       rank = db.Column(db.Enum(UserRank))
+       rank         = db.Column(db.Enum(UserRank))
 
        # Account linking
-       github_username = db.Column(db.String(50), nullable=True, unique=True)
-       forums_username = db.Column(db.String(50), nullable=True, unique=True)
+       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)
 
        # User email information
-       email = db.Column(db.String(255), nullable=True, unique=True)
-       confirmed_at = db.Column(db.DateTime())
+       email         = db.Column(db.String(255), nullable=True, unique=True)
+       confirmed_at  = db.Column(db.DateTime())
 
        # User information
-       active = db.Column("is_active", db.Boolean, nullable=False, server_default="0")
-       display_name = db.Column(db.String(100), nullable=False, server_default="")
+       profile_pic   = db.Column(db.String(255), nullable=True, server_default=None)
+       active        = db.Column("is_active", db.Boolean, nullable=False, server_default="0")
+       display_name  = db.Column(db.String(100), nullable=False, server_default="")
 
        # Content
-       packages = db.relationship("Package", backref="author", lazy="dynamic")
-       requests = db.relationship("EditRequest", backref="author", lazy="dynamic")
+       notifications = db.relationship("Notification", primaryjoin="User.id==Notification.user_id")
 
-       def __init__(self, username):
-               import datetime
+       # causednotifs  = db.relationship("Notification", backref="causer", lazy="dynamic")
+       packages      = db.relationship("Package", backref="author", lazy="dynamic")
+       requests      = db.relationship("EditRequest", backref="author", lazy="dynamic")
+       threads       = db.relationship("Thread", backref="author", lazy="dynamic")
+       replies       = db.relationship("ThreadReply", backref="author", lazy="dynamic")
 
+       def __init__(self, username, active=False, email=None, password=None):
                self.username = username
                self.confirmed_at = datetime.datetime.now() - datetime.timedelta(days=6000)
                self.display_name = username
+               self.active = active
+               self.email = email
+               self.password = password
                self.rank = UserRank.NOT_JOINED
 
+       def canAccessTodoList(self):
+               return Permission.APPROVE_NEW.check(self) or \
+                               Permission.APPROVE_RELEASE.check(self) or \
+                               Permission.APPROVE_CHANGES.check(self)
+
        def isClaimed(self):
-               return self.password is not None and self.password != ""
+               return self.rank.atLeast(UserRank.NEW_MEMBER)
+
+       def getProfilePicURL(self):
+               if self.profile_pic:
+                       return self.profile_pic
+               else:
+                       return gravatar(self.email or "")
 
        def checkPerm(self, user, perm):
                if not user.is_authenticated:
@@ -111,18 +160,57 @@ class User(db.Model, UserMixin):
                        raise Exception("Unknown permission given to User.checkPerm()")
 
                # Members can edit their own packages, and editors can edit any packages
-               if perm == Permission.CHANGE_RANK:
+               if perm == Permission.CHANGE_AUTHOR:
+                       return user.rank.atLeast(UserRank.EDITOR)
+               elif perm == Permission.CHANGE_RANK or perm == Permission.CHANGE_DNAME:
                        return user.rank.atLeast(UserRank.MODERATOR)
+               elif perm == Permission.CHANGE_EMAIL:
+                       return user == self or (user.rank.atLeast(UserRank.MODERATOR) and user.rank.atLeast(self.rank))
                else:
                        raise Exception("Permission {} is not related to users".format(perm.name))
 
+       def canCommentRL(self):
+               hour_ago = datetime.datetime.utcnow() - datetime.timedelta(hours=1)
+               return ThreadReply.query.filter_by(author=self) \
+                       .filter(ThreadReply.created_at > hour_ago).count() < 4
+
+       def canOpenThreadRL(self):
+               hour_ago = datetime.datetime.utcnow() - datetime.timedelta(hours=1)
+               return Thread.query.filter_by(author=self) \
+                       .filter(Thread.created_at > hour_ago).count() < 2
+
+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])
+
+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
+
+
 class License(db.Model):
-       id = db.Column(db.Integer, primary_key=True)
-       name = db.Column(db.String(50), nullable=False, unique=True)
-       packages = db.relationship("Package", backref="license", lazy="dynamic")
+       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)
 
-       def __init__(self, v):
+       def __init__(self, v, is_foss=True):
                self.name = v
+               self.is_foss = is_foss
 
        def __str__(self):
                return self.name
@@ -139,6 +227,13 @@ class PackageType(enum.Enum):
        def __str__(self):
                return self.name
 
+       @classmethod
+       def get(cls, name):
+               try:
+                       return PackageType[name.upper()]
+               except KeyError:
+                       return None
+
        @classmethod
        def choices(cls):
                return [(choice, choice.value) for choice in cls]
@@ -149,29 +244,106 @@ class PackageType(enum.Enum):
 
 
 class PackagePropertyKey(enum.Enum):
-       name         = "Name"
-       title        = "Title"
-       shortDesc    = "Short Description"
-       desc         = "Description"
-       type         = "Type"
-       license      = "License"
-       tags         = "Tags"
-       repo         = "Repository"
-       website      = "Website"
-       issueTracker = "Issue Tracker"
-       forums       = "Forum Topic ID"
+       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"
 
        def convert(self, value):
                if self == PackagePropertyKey.tags:
-                       return ','.join([t.title for t in value])
+                       return ",".join([t.title for t in value])
+               elif self == PackagePropertyKey.provides:
+                       return ",".join([t.name for t in value])
                else:
                        return str(value)
 
-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)
+provides = db.Table("provides",
+       db.Column("package_id",    db.Integer, db.ForeignKey("package.id"), primary_key=True),
+    db.Column("metapackage_id", db.Integer, db.ForeignKey("meta_package.id"), primary_key=True)
+)
+
+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)
 )
 
+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
+
+
+
 class Package(db.Model):
        id           = db.Column(db.Integer, primary_key=True)
 
@@ -182,83 +354,137 @@ class Package(db.Model):
        shortDesc    = db.Column(db.String(200), nullable=False)
        desc         = db.Column(db.Text, nullable=True)
        type         = db.Column(db.Enum(PackageType))
+       created_at   = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
 
-       license_id   = db.Column(db.Integer, db.ForeignKey("license.id"))
+       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])
 
        approved     = db.Column(db.Boolean, nullable=False, default=False)
+       soft_deleted = db.Column(db.Boolean, nullable=False, default=False)
+
+       score        = db.Column(db.Float, nullable=False, default=0)
+
+       review_thread_id = db.Column(db.Integer, db.ForeignKey("thread.id"), nullable=True, default=None)
+       review_thread    = db.relationship("Thread", foreign_keys=[review_thread_id])
 
        # Downloads
        repo         = db.Column(db.String(200), nullable=True)
        website      = db.Column(db.String(200), nullable=True)
        issueTracker = db.Column(db.String(200), nullable=True)
-       forums       = db.Column(db.Integer,     nullable=False)
+       forums       = db.Column(db.Integer,     nullable=True)
 
+       provides = db.relationship("MetaPackage", secondary=provides, lazy="subquery",
+                       backref=db.backref("packages", lazy="dynamic"))
 
-       tags = db.relationship('Tag', secondary=tags, lazy='subquery',
-                       backref=db.backref('packages', lazy=True))
+       dependencies = db.relationship("Dependency", backref="depender", lazy="dynamic", foreign_keys=[Dependency.depender_id])
+
+       tags = db.relationship("Tag", secondary=tags, lazy="subquery",
+                       backref=db.backref("packages", lazy=True))
 
        releases = db.relationship("PackageRelease", backref="package",
                        lazy="dynamic", order_by=db.desc("package_release_releaseDate"))
 
        screenshots = db.relationship("PackageScreenshot", backref="package",
-                       lazy="dynamic")
+                       lazy="dynamic", order_by=db.asc("package_screenshot_id"))
 
        requests = db.relationship("EditRequest", backref="package",
                        lazy="dynamic")
 
-       def getAsDictionary(self, base_url):
+       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))
+
+       def getAsDictionaryShort(self, base_url):
+               tnurl = self.getThumbnailURL(1)
                return {
                        "name": self.name,
                        "title": self.title,
                        "author": self.author.display_name,
-                       "shortDesc": self.shortDesc,
+                       "short_description": self.shortDesc,
                        "type": self.type.toName(),
+                       "release": self.getDownloadRelease().id if self.getDownloadRelease() is not None else None,
+                       "thumbnail": (base_url + tnurl) if tnurl is not None else None,
+                       "score": round(self.score * 10) / 10
+               }
+
+       def getAsDictionary(self, base_url):
+               tnurl = self.getThumbnailURL(1)
+               return {
+                       "author": self.author.display_name,
+                       "name": self.name,
+                       "title": self.title,
+                       "short_description": self.shortDesc,
+                       "desc": self.desc,
+                       "type": self.type.toName(),
+                       "created_at": self.created_at,
+
                        "license": self.license.name,
+                       "media_license": self.media_license.name,
+
                        "repo": self.repo,
+                       "website": self.website,
+                       "issue_tracker": self.issueTracker,
+                       "forums": self.forums,
+
+                       "provides": [x.name for x in self.provides],
+                       "thumbnail": (base_url + tnurl) if tnurl is not None else None,
+                       "screenshots": [base_url + ss.url for ss in self.screenshots],
+
                        "url": base_url + self.getDownloadURL(),
-                       "screenshots": [base_url + ss.url for ss in self.screenshots]
+                       "release": self.getDownloadRelease().id if self.getDownloadRelease() is not None else None,
+
+                       "score": round(self.score * 10) / 10
                }
 
+       def getThumbnailURL(self, level=2):
+               screenshot = self.screenshots.filter_by(approved=True).order_by(db.asc(PackageScreenshot.id)).first()
+               return screenshot.getThumbnailURL(level) if screenshot is not None else None
+
+       def getMainScreenshotURL(self):
+               screenshot = self.screenshots.filter_by(approved=True).order_by(db.asc(PackageScreenshot.id)).first()
+               return screenshot.url if screenshot is not None else None
+
        def getDetailsURL(self):
                return url_for("package_page",
-                               type=self.type.toName(),
                                author=self.author.username, name=self.name)
 
        def getEditURL(self):
                return url_for("create_edit_package_page",
-                               type=self.type.toName(),
                                author=self.author.username, name=self.name)
 
        def getApproveURL(self):
                return url_for("approve_package_page",
-                               type=self.type.toName(),
                                author=self.author.username, name=self.name)
 
-
+       def getRemoveURL(self):
+               return url_for("remove_package_page",
+                               author=self.author.username, name=self.name)
 
        def getNewScreenshotURL(self):
                return url_for("create_screenshot_page",
-                               type=self.type.toName(),
                                author=self.author.username, name=self.name)
 
        def getCreateReleaseURL(self):
                return url_for("create_release_page",
-                               type=self.type.toName(),
                                author=self.author.username, name=self.name)
 
        def getCreateEditRequestURL(self):
-               return url_for("create_editrequest_page",
-                               ptype=self.type.toName(),
+               return url_for("create_edit_editrequest_page",
                                author=self.author.username, name=self.name)
 
        def getDownloadURL(self):
                return url_for("package_download_page",
-                               type=self.type.toName(),
                                author=self.author.username, name=self.name)
 
-       def getMainScreenshotURL(self):
-               return self.screenshots[0].url if len(self.screenshots) > 0 else None
-
        def getDownloadRelease(self):
                for rel in self.releases:
                        if rel.approved:
@@ -277,25 +503,99 @@ class Package(db.Model):
 
                isOwner = user == self.author
 
+               if perm == Permission.CREATE_THREAD:
+                       return user.rank.atLeast(UserRank.MEMBER)
+
                # Members can edit their own packages, and editors can edit any packages
-               if perm == Permission.MAKE_RELEASE:
+               if perm == Permission.MAKE_RELEASE or perm == Permission.ADD_SCREENSHOTS:
                        return isOwner or user.rank.atLeast(UserRank.EDITOR)
 
                if perm == Permission.EDIT_PACKAGE or perm == Permission.APPROVE_CHANGES:
-                       return user.rank.atLeast(UserRank.MEMBER if isOwner else UserRank.EDITOR)
+                       if isOwner:
+                               return user.rank.atLeast(UserRank.MEMBER if self.approved else UserRank.NEW_MEMBER)
+                       else:
+                               return user.rank.atLeast(UserRank.EDITOR)
 
-               # Editors can change authors, approve new packages, and approve releases
-               elif perm == Permission.CHANGE_AUTHOR or perm == Permission.APPROVE_NEW \
-                               or perm == Permission.APPROVE_RELEASE:
+               # Editors can change authors and approve new packages
+               elif perm == Permission.APPROVE_NEW or perm == Permission.CHANGE_AUTHOR:
                        return user.rank.atLeast(UserRank.EDITOR)
 
+               elif perm == Permission.APPROVE_RELEASE or perm == Permission.APPROVE_SCREENSHOT:
+                       return user.rank.atLeast(UserRank.TRUSTED_MEMBER if isOwner else UserRank.EDITOR)
+
                # Moderators can delete packages
-               elif perm == Permission.DELETE_PACKAGE or perm == Permission.CHANGE_RELEASE_URL:
+               elif perm == Permission.DELETE_PACKAGE or perm == Permission.UNAPPROVE_PACKAGE \
+                               or perm == Permission.CHANGE_RELEASE_URL:
                        return user.rank.atLeast(UserRank.MODERATOR)
 
                else:
                        raise Exception("Permission {} is not related to packages".format(perm.name))
 
+       def recalcScore(self):
+               self.score = 10
+
+               if self.forums is not None:
+                       topic = ForumTopic.query.get(self.forums)
+                       if topic:
+                               days   = (datetime.datetime.now() - topic.created_at).days
+                               months = days / 30
+                               years  = days / 365
+                               self.score = topic.views / max(years, 0.0416) + 80*min(max(months, 0.5), 6)
+
+               if self.getMainScreenshotURL() is None:
+                       self.score *= 0.8
+
+               if not self.license.is_foss or not self.media_license.is_foss:
+                       self.score *= 0.1
+
+class MetaPackage(db.Model):
+       id           = db.Column(db.Integer, primary_key=True)
+       name         = db.Column(db.String(100), unique=True, nullable=False)
+       dependencies = db.relationship("Dependency", backref="meta_package", lazy="dynamic")
+
+       def __init__(self, name=None):
+               self.name = name
+
+       def __str__(self):
+               return self.name
+
+       @staticmethod
+       def ListToSpec(list):
+               return ",".join([str(x) for x in list])
+
+       @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
+
+       @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
+
+                       retval.append(MetaPackage.GetOrCreate(x, cache))
+
+               return retval
+
 class Tag(db.Model):
        id              = db.Column(db.Integer,    primary_key=True)
        name            = db.Column(db.String(100), unique=True, nullable=False)
@@ -309,37 +609,82 @@ class Tag(db.Model):
                self.textColor       = textColor
 
                import re
-               regex = re.compile('[^a-z_]')
+               regex = re.compile("[^a-z_]")
                self.name = regex.sub("", self.title.lower().replace(" ", "_"))
 
+
+class MinetestRelease(db.Model):
+       id       = db.Column(db.Integer, primary_key=True)
+       name     = db.Column(db.String(100), unique=True, nullable=False)
+       protocol = db.Column(db.Integer, nullable=False, default=0)
+
+       def __init__(self, name=None):
+               self.name = name
+
+       def getActual(self):
+               return None if self.name == "None" else self
+
+
 class PackageRelease(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)
-       releaseDate  = db.Column(db.DateTime,        nullable=False)
-       url          = db.Column(db.String(100), nullable=False)
+       releaseDate  = db.Column(db.DateTime,    nullable=False)
+       url          = db.Column(db.String(200), nullable=False)
        approved     = db.Column(db.Boolean, nullable=False, default=False)
+       task_id      = db.Column(db.String(37), nullable=True)
+       commit_hash  = db.Column(db.String(41), nullable=True, default=None)
+
+       min_rel_id = db.Column(db.Integer, db.ForeignKey("minetest_release.id"), nullable=True, server_default=None)
+       min_rel    = db.relationship("MinetestRelease", foreign_keys=[min_rel_id])
+
+       max_rel_id = db.Column(db.Integer, db.ForeignKey("minetest_release.id"), nullable=True, server_default=None)
+       max_rel    = db.relationship("MinetestRelease", foreign_keys=[max_rel_id])
 
 
        def getEditURL(self):
                return url_for("edit_release_page",
-                               type=self.package.type.toName(),
                                author=self.package.author.username,
                                name=self.package.name,
                                id=self.id)
 
+       def getDownloadURL(self):
+               return url_for("download_release_page",
+                               author=self.package.author.username,
+                               name=self.package.name,
+                               id=self.id)
+
+
        def __init__(self):
-               self.releaseDate = datetime.now()
+               self.releaseDate = datetime.datetime.now()
+
+
+class PackageReview(db.Model):
+       id         = db.Column(db.Integer, primary_key=True)
+       package_id = db.Column(db.Integer, db.ForeignKey("package.id"))
+       thread_id  = db.Column(db.Integer, db.ForeignKey("thread.id"), nullable=False)
+       recommend  = db.Column(db.Boolean, nullable=False, default=True)
+
 
 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)
+       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)
+
+       def getThumbnailURL(self, level=2):
+               return self.url.replace("/uploads/", ("/thumbnails/{:d}/").format(level))
+
 
-       def getThumbnailURL(self):
-               return self.url  # TODO
 
 class EditRequest(db.Model):
        id           = db.Column(db.Integer, primary_key=True)
@@ -350,6 +695,9 @@ class EditRequest(db.Model):
        title        = db.Column(db.String(100), nullable=False)
        desc         = db.Column(db.String(1000), nullable=True)
 
+       # 0 - open
+       # 1 - merged
+       # 2 - rejected
        status       = db.Column(db.Integer, nullable=False, default=0)
 
        changes = db.relationship("EditRequestChange", backref="request",
@@ -357,21 +705,24 @@ class EditRequest(db.Model):
 
        def getURL(self):
                return url_for("view_editrequest_page",
-                               ptype=self.package.type.toName(),
                                author=self.package.author.username,
                                name=self.package.name,
                                id=self.id)
 
        def getApproveURL(self):
                return url_for("approve_editrequest_page",
-                               ptype=self.package.type.toName(),
                                author=self.package.author.username,
                                name=self.package.name,
                                id=self.id)
 
        def getRejectURL(self):
                return url_for("reject_editrequest_page",
-                               ptype=self.package.type.toName(),
+                               author=self.package.author.username,
+                               name=self.package.name,
+                               id=self.id)
+
+       def getEditURL(self):
+               return url_for("create_edit_editrequest_page",
                                author=self.package.author.username,
                                name=self.package.name,
                                id=self.id)
@@ -381,6 +732,26 @@ class EditRequest(db.Model):
                        change.apply(package)
 
 
+       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))
+
+
+
 
 class EditRequestChange(db.Model):
        id           = db.Column(db.Integer, primary_key=True)
@@ -398,9 +769,131 @@ class EditRequestChange(db.Model):
                        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)
 
+
+watchers = db.Table("watchers",
+    db.Column("user_id", db.Integer, db.ForeignKey("user.id"), primary_key=True),
+    db.Column("thread_id", db.Integer, db.ForeignKey("thread.id"), primary_key=True)
+)
+
+class Thread(db.Model):
+       id         = db.Column(db.Integer, primary_key=True)
+
+       package_id = db.Column(db.Integer, db.ForeignKey("package.id"), nullable=True)
+       package    = db.relationship("Package", foreign_keys=[package_id])
+
+       author_id  = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
+       title      = db.Column(db.String(100), nullable=False)
+       private    = db.Column(db.Boolean, server_default="0")
+
+       created_at = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
+
+       replies    = db.relationship("ThreadReply", backref="thread", lazy="dynamic")
+
+       watchers   = db.relationship("User", secondary=watchers, lazy="subquery", \
+                                               backref=db.backref("watching", lazy=True))
+
+
+       def getSubscribeURL(self):
+               return url_for("thread_subscribe_page",
+                               id=self.id)
+
+       def getUnsubscribeURL(self):
+               return url_for("thread_unsubscribe_page",
+                               id=self.id)
+
+       def checkPerm(self, user, perm):
+               if not user.is_authenticated:
+                       return not self.private
+
+               if type(perm) == str:
+                       perm = Permission[perm]
+               elif type(perm) != Permission:
+                       raise Exception("Unknown permission given to Thread.checkPerm()")
+
+               isOwner = user == self.author or (self.package is not None and self.package.author == user)
+
+               if perm == Permission.SEE_THREAD:
+                       return not self.private or isOwner or user.rank.atLeast(UserRank.EDITOR)
+
+               else:
+                       raise Exception("Permission {} is not related to threads".format(perm.name))
+
+class ThreadReply(db.Model):
+       id         = db.Column(db.Integer, primary_key=True)
+       thread_id  = db.Column(db.Integer, db.ForeignKey("thread.id"), nullable=False)
+       comment    = db.Column(db.String(500), nullable=False)
+       author_id  = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
+       created_at = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
+
+
+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 ForumTopic(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")
+
+       wip       = db.Column(db.Boolean, server_default="0")
+       discarded = db.Column(db.Boolean, server_default="0")
+
+       type      = db.Column(db.Enum(PackageType), nullable=False)
+       title     = db.Column(db.String(200), nullable=False)
+       name      = db.Column(db.String(30), nullable=True)
+       link      = db.Column(db.String(200), nullable=True)
+
+       posts     = db.Column(db.Integer, nullable=False)
+       views     = db.Column(db.Integer, nullable=False)
+
+       created_at = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
+
+       def getRepoURL(self):
+               if self.link is None:
+                       return None
+
+               for item in REPO_BLACKLIST:
+                       if item in self.link:
+                               return None
+
+               return self.link.replace("repo.or.cz/w/", "repo.or.cz/")
+
+       def getAsDictionary(self):
+               return {
+                       "author": self.author.username,
+                       "name":   self.name,
+                       "type":   self.type.toName(),
+                       "title":  self.title,
+                       "id":     self.topic_id,
+                       "link":   self.link,
+                       "posts":  self.posts,
+                       "views":  self.views,
+                       "is_wip": self.wip,
+                       "discarded":  self.discarded,
+                       "created_at": self.created_at.isoformat(),
+               }
+
+       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 ForumTopic.checkPerm()")
+
+               if perm == Permission.TOPIC_DISCARD:
+                       return self.author == user or user.rank.atLeast(UserRank.EDITOR)
+
+               else:
+                       raise Exception("Permission {} is not related to topics".format(perm.name))
+
+
 # Setup Flask-User
 db_adapter = SQLAlchemyAdapter(db, User)        # Register the User model
 user_manager = UserManager(db_adapter, app)     # Initialize Flask-User