1 files changed, 179 insertions, 0 deletions
diff --git a/backend/backend.py b/backend/backend.py
new file mode 100755
index 00000000..8f9322ab
--- /dev/null
+++ b/backend/backend.py
@@ -0,0 +1,179 @@
+
+import argparse
+from flask import Flask, render_template, send_from_directory, request, \
+    url_for, abort, g, redirect, jsonify
+from sqlalchemy import create_engine, MetaData, Table
+
+app = Flask(__name__)
+app.config.from_pyfile('config.py')
+
+metadata = MetaData()
+
+
+## SQL Schema ###############################################################
+
+import enum
+from sqlalchemy import Table, Column, Integer, String, MetaData, ForeignKey, \
+    Enum
+
+# TODO: http://docs.sqlalchemy.org/en/latest/orm/extensions/declarative/mixins.html
+
+class IdState(enum.Enum):
+    normal = 1
+    redirect = 2
+    removed = 3
+
+work_id = Table('work_id', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=False),
+    Column('revision', ForeignKey('work_revision.id')),
+    )
+
+work_revision = Table('work_revision', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('previous', ForeignKey('work_revision.id'), nullable=True),
+    Column('state', Enum(IdState)),
+    Column('redirect_id', ForeignKey('work_id.id'), nullable=True),
+    Column('edit_id', ForeignKey('edit.id')),
+    Column('extra_json', ForeignKey('extra_json.sha1'), nullable=True),
+
+    Column('title', String),
+    Column('work_type', String),
+    Column('date', String),
+    )
+
+release_id = Table('release_id', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=False),
+    Column('revision', ForeignKey('release_revision.id')),
+    )
+
+release_revision = Table('release_revision', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('previous', ForeignKey('release_revision.id'), nullable=True),
+    Column('state', Enum(IdState)),
+    Column('redirect_id', ForeignKey('release_id.id'), nullable=True),
+    Column('edit_id', ForeignKey('edit.id')),
+    Column('extra_json', ForeignKey('extra_json.sha1'), nullable=True),
+
+    Column('work', ForeignKey('work_id.id')),
+    Column('container', ForeignKey('container_id.id')),
+    Column('title', String),
+    Column('license', String),          # TODO: oa status foreign key
+    Column('release_type', String),     # TODO: foreign key
+    Column('date', String),             # TODO: datetime
+    Column('doi', String),              # TODO: identifier table
+    )
+
+creator_id = Table('creator_id', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=False),
+    Column('revision', ForeignKey('creator_revision.id')),
+    )
+
+creator_revision = Table('creator_revision', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('previous', ForeignKey('creator_revision.id'), nullable=True),
+    Column('state', Enum(IdState)),
+    Column('redirect_id', ForeignKey('creator_id.id'), nullable=True),
+    Column('edit_id', ForeignKey('edit.id')),
+    Column('extra_json', ForeignKey('extra_json.sha1'), nullable=True),
+
+    Column('name', String),
+    Column('sortname', String),
+    Column('orcid', String),            # TODO: identifier table
+    )
+
+work_contrib = Table('work_contrib', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('work_rev', ForeignKey('work_revision.id'), nullable=False),
+    Column('creator_id', ForeignKey('creator_id.id'), nullable=False),
+    Column('stub', String, nullable=False),
+    )
+
+release_contrib = Table('release_contrib', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('release_rev', ForeignKey('release_revision.id'), nullable=False),
+    Column('creator_id', ForeignKey('creator_id.id'), nullable=False),
+    )
+
+container_id = Table('container_id', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=False),
+    Column('revision', ForeignKey('container_revision.id')),
+    )
+
+container_revision = Table('container_revision', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('previous', ForeignKey('container_revision.id'), nullable=True),
+    Column('state', Enum(IdState)),
+    Column('redirect_id', ForeignKey('container_id.id'), nullable=True),
+    Column('edit_id', ForeignKey('edit.id')),
+    Column('extra_json', ForeignKey('extra_json.sha1'), nullable=True),
+
+    Column('name', String),
+    Column('container', ForeignKey('container_id.id')),
+    Column('publisher', String),        # TODO: foreign key
+    Column('sortname', String),
+    Column('issn', String),             # TODO: identifier table
+    )
+
+edit = Table('edit', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('edit_group', ForeignKey('edit_group.id')),
+    Column('editor', ForeignKey('editor.id')),
+    Column('description', String),
+    )
+
+edit_group = Table('edit_group', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('editor', ForeignKey('editor.id')),
+    Column('description', String),
+    )
+
+editor = Table('editor', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('username', String),
+    )
+
+changelog = Table('changelog', metadata,
+    Column('id', Integer, primary_key=True, autoincrement=True),
+    Column('edit_id', ForeignKey('edit.id')),
+    Column('timestamp', Integer),
+    )
+
+extra_json = Table('extra_json', metadata,
+    Column('sha1', String, primary_key=True, autoincrement=True),
+    Column('json', String),
+    )
+
+
+## API Methods ##############################################################
+
+@app.route('/health', methods=['GET'])
+def health():
+    return jsonify({'ok': True})
+
+## Entry Point ##############################################################
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--debug',
+        action='store_true',
+        help="enable debugging interface")
+    parser.add_argument('--host',
+        default="127.0.0.1",
+        help="listen on this host/IP")
+    parser.add_argument('--port',
+        type=int,
+        default=8040,
+        help="listen on this port")
+    parser.add_argument('--database-uri',
+        default="sqlite:///test.sqlite",
+        help="sqlalchemy database string")
+    args = parser.parse_args()
+
+    app.config['DATABASE_URI'] = args.database_uri
+    engine = create_engine(app.config['DATABASE_URI'], convert_unicode=True)
+    metadata.create_all(bind=engine)
+    app.run(debug=args.debug, host=args.host, port=args.port)
+
+
+if __name__ == '__main__':
+    main()