| 1 | # GNU MediaGoblin -- federated, autonomous media hosting |
| 2 | # Copyright (C) 2011,2012 MediaGoblin contributors. See AUTHORS. |
| 3 | # |
| 4 | # This program is free software: you can redistribute it and/or modify |
| 5 | # it under the terms of the GNU Affero 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 Affero General Public License for more details. |
| 13 | # |
| 14 | # You should have received a copy of the GNU Affero General Public License |
| 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | |
| 17 | |
| 18 | import datetime |
| 19 | |
| 20 | from sqlalchemy.ext.declarative import declarative_base |
| 21 | from sqlalchemy import ( |
| 22 | Column, Integer, Unicode, UnicodeText, DateTime, Boolean, ForeignKey, |
| 23 | UniqueConstraint) |
| 24 | from sqlalchemy.orm import relationship |
| 25 | from sqlalchemy.orm.collections import attribute_mapped_collection |
| 26 | from sqlalchemy.ext.associationproxy import association_proxy |
| 27 | |
| 28 | from mediagoblin.db.sql.extratypes import PathTupleWithSlashes |
| 29 | from mediagoblin.db.sql.base import GMGTableBase |
| 30 | from mediagoblin.db.mixin import UserMixin, MediaEntryMixin |
| 31 | |
| 32 | |
| 33 | Base = declarative_base(cls=GMGTableBase) |
| 34 | |
| 35 | |
| 36 | class SimpleFieldAlias(object): |
| 37 | """An alias for any field""" |
| 38 | def __init__(self, fieldname): |
| 39 | self.fieldname = fieldname |
| 40 | |
| 41 | def __get__(self, instance, cls): |
| 42 | return getattr(instance, self.fieldname) |
| 43 | |
| 44 | def __set__(self, instance, val): |
| 45 | setattr(instance, self.fieldname, val) |
| 46 | |
| 47 | |
| 48 | class User(Base, UserMixin): |
| 49 | __tablename__ = "users" |
| 50 | |
| 51 | id = Column(Integer, primary_key=True) |
| 52 | username = Column(Unicode, nullable=False, unique=True) |
| 53 | email = Column(Unicode, nullable=False) |
| 54 | created = Column(DateTime, nullable=False, default=datetime.datetime.now) |
| 55 | pw_hash = Column(Unicode, nullable=False) |
| 56 | email_verified = Column(Boolean) |
| 57 | status = Column(Unicode, default=u"needs_email_verification", nullable=False) |
| 58 | verification_key = Column(Unicode) |
| 59 | is_admin = Column(Boolean, default=False, nullable=False) |
| 60 | url = Column(Unicode) |
| 61 | bio = Column(UnicodeText) # ?? |
| 62 | bio_html = Column(UnicodeText) # ?? |
| 63 | fp_verification_key = Column(Unicode) |
| 64 | fp_token_expire = Column(DateTime) |
| 65 | |
| 66 | ## TODO |
| 67 | # plugin data would be in a separate model |
| 68 | |
| 69 | _id = SimpleFieldAlias("id") |
| 70 | |
| 71 | |
| 72 | class MediaEntry(Base, MediaEntryMixin): |
| 73 | __tablename__ = "media_entries" |
| 74 | |
| 75 | id = Column(Integer, primary_key=True) |
| 76 | uploader = Column(Integer, ForeignKey('users.id'), nullable=False) |
| 77 | title = Column(Unicode, nullable=False) |
| 78 | slug = Column(Unicode, nullable=False) |
| 79 | created = Column(DateTime, nullable=False, default=datetime.datetime.now) |
| 80 | description = Column(UnicodeText) # ?? |
| 81 | description_html = Column(UnicodeText) # ?? |
| 82 | media_type = Column(Unicode, nullable=False) |
| 83 | state = Column(Unicode, nullable=False) # or use sqlalchemy.types.Enum? |
| 84 | |
| 85 | fail_error = Column(Unicode) |
| 86 | fail_metadata = Column(UnicodeText) |
| 87 | |
| 88 | queued_media_file = Column(PathTupleWithSlashes) |
| 89 | |
| 90 | queued_task_id = Column(Unicode) |
| 91 | |
| 92 | __table_args__ = ( |
| 93 | UniqueConstraint('uploader', 'slug'), |
| 94 | {}) |
| 95 | |
| 96 | get_uploader = relationship(User) |
| 97 | |
| 98 | media_files_helper = relationship("MediaFile", |
| 99 | collection_class=attribute_mapped_collection("name"), |
| 100 | cascade="all, delete-orphan" |
| 101 | ) |
| 102 | media_files = association_proxy('media_files_helper', 'file_path', |
| 103 | creator=lambda k, v: MediaFile(name=k, file_path=v) |
| 104 | ) |
| 105 | |
| 106 | ## TODO |
| 107 | # media_data |
| 108 | # attachment_files |
| 109 | # fail_error |
| 110 | |
| 111 | |
| 112 | class MediaFile(Base): |
| 113 | __tablename__ = "mediafiles" |
| 114 | |
| 115 | media_entry = Column( |
| 116 | Integer, ForeignKey(MediaEntry.id), |
| 117 | nullable=False, primary_key=True) |
| 118 | name = Column(Unicode, primary_key=True) |
| 119 | file_path = Column(PathTupleWithSlashes) |
| 120 | |
| 121 | def __repr__(self): |
| 122 | return "<MediaFile %s: %r>" % (self.name, self.file_path) |
| 123 | |
| 124 | |
| 125 | class Tag(Base): |
| 126 | __tablename__ = "tags" |
| 127 | |
| 128 | id = Column(Integer, primary_key=True) |
| 129 | slug = Column(Unicode, nullable=False, unique=True) |
| 130 | |
| 131 | |
| 132 | class MediaTag(Base): |
| 133 | __tablename__ = "media_tags" |
| 134 | |
| 135 | id = Column(Integer, primary_key=True) |
| 136 | tag = Column(Integer, ForeignKey('tags.id'), nullable=False) |
| 137 | name = Column(Unicode) |
| 138 | media_entry = Column( |
| 139 | Integer, ForeignKey('media_entries.id'), |
| 140 | nullable=False) |
| 141 | # created = Column(DateTime, nullable=False, default=datetime.datetime.now) |
| 142 | |
| 143 | __table_args__ = ( |
| 144 | UniqueConstraint('tag', 'media_entry'), |
| 145 | {}) |
| 146 | |
| 147 | |
| 148 | class MediaComment(Base): |
| 149 | __tablename__ = "media_comments" |
| 150 | |
| 151 | id = Column(Integer, primary_key=True) |
| 152 | media_entry = Column( |
| 153 | Integer, ForeignKey('media_entries.id'), nullable=False) |
| 154 | author = Column(Integer, ForeignKey('users.id'), nullable=False) |
| 155 | created = Column(DateTime, nullable=False, default=datetime.datetime.now) |
| 156 | content = Column(UnicodeText, nullable=False) |
| 157 | content_html = Column(UnicodeText) |
| 158 | |
| 159 | get_author = relationship(User) |
| 160 | |
| 161 | |
| 162 | def show_table_init(): |
| 163 | from sqlalchemy import create_engine |
| 164 | engine = create_engine('sqlite:///:memory:', echo=True) |
| 165 | |
| 166 | Base.metadata.create_all(engine) |
| 167 | |
| 168 | |
| 169 | if __name__ == '__main__': |
| 170 | show_table_init() |