def create_storage_permissions(self, table_name):
"""
Take the existing table name and append the '_users' extension to it
"""
users_table_name = table_name + "_users"
"""
"""
feature_id = table_name + ".id"
"""
Create a new custom table for a Feature Type
"""
new_table = db.Table(
users_table_name,
db.metadata,
db.Column("user_id", db.Integer(), db.ForeignKey("user.id"), primary_key=True),
db.Column("feature_id", db.Integer(), db.ForeignKey(feature_id), primary_key=True),
db.Column("read", db.Boolean()),
db.Column("write", db.Boolean()),
db.Column("is_admin", db.Boolean()),
)
"""
Make sure everything commits to the database
"""
db.create_all()
return users_table_name
def create_storage(self, table_name=""):
if not table_name:
table_name = self.generate_template_hash()
"""
Why are we closing the session, what gives?
http://docs.sqlalchemy.org/en/rel_0_9/faq.html#my-program-is-hanging-when-i-say-table-drop-metadata-drop-all
"""
# db.session.close()
"""
Create a new custom table for a Feature Type
"""
new_table = db.Table(
table_name,
db.metadata,
db.Column("id", db.Integer(), primary_key=True),
db.Column("created", db.DateTime(), default=datetime.datetime.now()),
db.Column("updated", db.DateTime(), default=datetime.datetime.now()),
db.Column("geometry", Geometry("GEOMETRY"), nullable=True),
db.Column("status", db.String(24), nullable=False),
)
"""
Make sure everything commits to the database
"""
db.create_all()
return table_name
def generate_relationship_field(self, field, template):
"""
Make sure that the table we need to use for creating the relationship is loaded
into our db.metadata, otherwise the whole process will fail
"""
existing_table = db.Table(field.relationship, db.metadata, autoload=True, autoload_with=db.engine)
"""
Create a name for our new field relationship table
"""
table_name = self.generate_template_hash(_prefix="ref_")
"""
Create a new Association Table in our database, based up the two existing Tables
we've previously created
"""
parent_foreign_key_id = ("%s.%s") % (template.storage, "id")
child_foreign_key_id = ("%s.%s") % (field.relationship, "id")
new_table = db.Table(
table_name,
db.metadata,
db.Column("parent_id", db.Integer, db.ForeignKey(parent_foreign_key_id), primary_key=True),
db.Column("child_id", db.Integer, db.ForeignKey(child_foreign_key_id), primary_key=True),
)
db.metadata.bind = db.engine
"""
Make sure everything commits to the database
"""
db.create_all()
return {"type": "relationship", "association": table_name, "relationship": field.relationship}
def generate_attachment_field(self, field, template):
"""
Before we can create a relationship between Attachments and a Template
we need to create a Table in the database to retain our attachments
"""
attachment_table_name = self.generate_template_hash(_prefix="attachment_")
new_table = db.Table(
attachment_table_name,
db.metadata,
db.Column("id", db.Integer, primary_key=True),
db.Column("caption", db.String(255)),
db.Column("credit", db.String(255)),
db.Column("credit_link", db.String(255)),
db.Column("filename", db.String(255)),
db.Column("filepath", db.String(255)),
db.Column("filetype", db.String(255)),
db.Column("filesize", db.Integer()),
db.Column("created", db.DateTime()),
db.Column("status", db.String(24), nullable=False),
)
db.metadata.bind = db.engine
db.create_all()
"""
Next we update the relationship field
"""
field.relationship = attachment_table_name
"""
Finally we can create the actual relationship
"""
relationship_ = self.generate_relationship_field(field, template)
return {"type": "file", "association": relationship_["association"], "relationship": attachment_table_name}
def setUp(self): self.app = self.create_app() db.create_all()
