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Diffstat (limited to 'mediagoblin/db/sql/models.py')
-rw-r--r-- | mediagoblin/db/sql/models.py | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/mediagoblin/db/sql/models.py b/mediagoblin/db/sql/models.py new file mode 100644 index 00000000..91092f33 --- /dev/null +++ b/mediagoblin/db/sql/models.py @@ -0,0 +1,153 @@ +import datetime + +from sqlalchemy.ext.declarative import declarative_base +from sqlalchemy import ( + Column, Integer, Unicode, UnicodeText, DateTime, Boolean, ForeignKey, + UniqueConstraint) +from sqlalchemy.orm import relationship +from sqlalchemy.orm.collections import attribute_mapped_collection +from sqlalchemy.ext.associationproxy import association_proxy + +from mediagoblin.db.sql.extratypes import PathTupleWithSlashes +from mediagoblin.db.sql.base import GMGTableBase +from mediagoblin.db.mixin import UserMixin, MediaEntryMixin + + +Base = declarative_base(cls=GMGTableBase) + + +class SimpleFieldAlias(object): + """An alias for any field""" + def __init__(self, fieldname): + self.fieldname = fieldname + + def __get__(self, instance, cls): + return getattr(instance, self.fieldname) + + def __set__(self, instance, val): + setattr(instance, self.fieldname, val) + + +class User(Base, UserMixin): + __tablename__ = "users" + + id = Column(Integer, primary_key=True) + username = Column(Unicode, nullable=False, unique=True) + email = Column(Unicode, nullable=False) + created = Column(DateTime, nullable=False, default=datetime.datetime.now) + pw_hash = Column(Unicode, nullable=False) + email_verified = Column(Boolean) + status = Column(Unicode, default=u"needs_email_verification", nullable=False) + verification_key = Column(Unicode) + is_admin = Column(Boolean, default=False, nullable=False) + url = Column(Unicode) + bio = Column(UnicodeText) # ?? + bio_html = Column(UnicodeText) # ?? + fp_verification_key = Column(Unicode) + fp_token_expire = Column(DateTime) + + ## TODO + # plugin data would be in a separate model + + _id = SimpleFieldAlias("id") + + +class MediaEntry(Base, MediaEntryMixin): + __tablename__ = "media_entries" + + id = Column(Integer, primary_key=True) + uploader = Column(Integer, ForeignKey('users.id'), nullable=False) + title = Column(Unicode, nullable=False) + slug = Column(Unicode, nullable=False) + created = Column(DateTime, nullable=False, default=datetime.datetime.now) + description = Column(UnicodeText) # ?? + description_html = Column(UnicodeText) # ?? + media_type = Column(Unicode, nullable=False) + state = Column(Unicode, nullable=False) # or use sqlalchemy.types.Enum? + + fail_error = Column(Unicode) + fail_metadata = Column(UnicodeText) + + queued_media_file = Column(PathTupleWithSlashes) + + queued_task_id = Column(Unicode) + + __table_args__ = ( + UniqueConstraint('uploader', 'slug'), + {}) + + get_uploader = relationship(User) + + media_files_helper = relationship("MediaFile", + collection_class=attribute_mapped_collection("name"), + cascade="all, delete-orphan" + ) + media_files = association_proxy('media_files_helper', 'file_path', + creator=lambda k,v: MediaFile(name=k, file_path=v) + ) + + ## TODO + # media_data + # attachment_files + # fail_error + + +class MediaFile(Base): + __tablename__ = "mediafiles" + + media_entry = Column( + Integer, ForeignKey(MediaEntry.id), + nullable=False, primary_key=True) + name = Column(Unicode, primary_key=True) + file_path = Column(PathTupleWithSlashes) + + def __repr__(self): + return "<MediaFile %s: %r>" % (self.name, self.file_path) + + +class Tag(Base): + __tablename__ = "tags" + + id = Column(Integer, primary_key=True) + slug = Column(Unicode, nullable=False, unique=True) + + +class MediaTag(Base): + __tablename__ = "media_tags" + + id = Column(Integer, primary_key=True) + tag = Column(Integer, ForeignKey('tags.id'), nullable=False) + name = Column(Unicode) + media_entry = Column( + Integer, ForeignKey('media_entries.id'), + nullable=False) + # created = Column(DateTime, nullable=False, default=datetime.datetime.now) + + __table_args__ = ( + UniqueConstraint('tag', 'media_entry'), + {}) + + +class MediaComment(Base): + __tablename__ = "media_comments" + + id = Column(Integer, primary_key=True) + media_entry = Column( + Integer, ForeignKey('media_entries.id'), nullable=False) + author = Column(Integer, ForeignKey('users.id'), nullable=False) + created = Column(DateTime, nullable=False, default=datetime.datetime.now) + content = Column(UnicodeText, nullable=False) + content_html = Column(UnicodeText) + + get_author = relationship(User) + + +def show_table_init(): + from sqlalchemy import create_engine + engine = create_engine('sqlite:///:memory:', echo=True) + + Base.metadata.create_all(engine) + + +if __name__ == '__main__': + show_table_init() |