aboutsummaryrefslogtreecommitdiff
"""
Assign any existing data (that is not currently assigned to any group) to the
default sys-admin group for accessibility purposes.
"""
import sys
import json
import time
import random
import logging
from pathlib import Path
from uuid import UUID, uuid4

import click
from gn_libs import mysqldb as biodb
from MySQLdb.cursors import DictCursor

import gn_auth.auth.db.sqlite3 as authdb
from gn_auth.auth.authentication.users import User
from gn_auth.auth.authorisation.roles.models import (
    revoke_user_role_by_name, assign_user_role_by_name)

from gn_auth.auth.authorisation.resources.groups.models import (
    Group, save_group, add_resources_to_group)
from gn_auth.auth.authorisation.resources.common import assign_resource_owner_role
from gn_auth.auth.authorisation.resources.models import Resource, ResourceCategory


class DataNotFound(Exception):
    """Raise if no admin user exists."""


def sys_admins(conn: authdb.DbConnection) -> tuple[User, ...]:
    """Retrieve all the existing system admins."""
    with authdb.cursor(conn) as cursor:
        cursor.execute(
            "SELECT u.* FROM users AS u "
            "INNER JOIN user_roles AS ur ON u.user_id=ur.user_id "
            "INNER JOIN roles AS r ON ur.role_id=r.role_id "
            "WHERE r.role_name='system-administrator'")
        return tuple(User.from_sqlite3_row(row) for row in cursor.fetchall())
    return tuple()


def choose_admin(enum_admins: dict[int, User]) -> int:
    """Prompt and read user choice."""
    while True:
        try:
            print("\n===========================\n")
            print("We found the following system administrators:")
            for idx, admin in enum_admins.items():
                print(f"\t{idx}: {admin.name} ({admin.email})")
            choice = input(f"Choose [1 .. {len(enum_admins)}]: ")
            return int(choice)
        except ValueError as _verr:
            if choice.lower() == "quit":
                print("Goodbye!")
                sys.exit(0)
            print(f"\nERROR: Invalid choice '{choice}'!")


def select_sys_admin(admins: tuple[User, ...]) -> User:
    """Pick one admin out of list."""
    if len(admins) > 0:
        if len(admins) == 1:
            print(f"-> Found Admin: {admins[0].name} ({admins[0].email})")
            return admins[0]
        enum_admins = dict(enumerate(admins, start=1))
        chosen = enum_admins[choose_admin(enum_admins)]
        print(f"-> Chosen Admin: {chosen.name} ({chosen.email})")
        return chosen
    raise DataNotFound(
        "No administrator user found. Create an administrator user first.")


def admin_group(conn: authdb.DbConnection, admin: User) -> Group:
    """Retrieve the admin's user group. If none exist, create one."""
    with authdb.cursor(conn) as cursor:
        cursor.execute(
            "SELECT g.* FROM users AS u "
            "INNER JOIN group_users AS gu ON u.user_id=gu.user_id "
            "INNER JOIN groups AS g on gu.group_id=g.group_id "
            "WHERE u.user_id = ?",
            (str(admin.user_id),))
        row = cursor.fetchone()
        if row:
            return Group(UUID(row["group_id"]),
                         row["group_name"],
                         json.loads(row["group_metadata"]))
        new_group = save_group(cursor, "AutoAdminGroup", {
            "group_description": (
                "Created by script for existing data visibility. "
                "Existing data was migrated into this group and assigned "
                "to publicly visible resources according to type.")
        })

        cursor.execute(
            "SELECT * FROM resource_categories WHERE "
            "resource_category_key='group'")
        res_cat_id = cursor.fetchone()["resource_category_id"]
        grp_res = {
            "group_id": str(new_group.group_id),
            "resource_id": str(uuid4()),
            "resource_name": new_group.group_name,
            "resource_category_id": res_cat_id,
            "public": 0
        }
        cursor.execute(
            "INSERT INTO resources VALUES "
            "(:resource_id, :resource_name, :resource_category_id, :public)",
            grp_res)
        cursor.execute(
            "INSERT INTO group_resources(resource_id, group_id) "
            "VALUES(:resource_id, :group_id)",
            grp_res)
        cursor.execute("INSERT INTO group_users VALUES (?, ?)",
                       (str(new_group.group_id), str(admin.user_id)))
        revoke_user_role_by_name(cursor, admin, "group-creator")
        assign_user_role_by_name(
            cursor, admin, UUID(grp_res["resource_id"]), "group-leader")
        return new_group


def __resource_category_by_key__(
        cursor: authdb.DbCursor, category_key: str) -> ResourceCategory:
    """Retrieve a resource category by its ID."""
    cursor.execute(
        "SELECT * FROM resource_categories WHERE resource_category_key = ?",
        (category_key,))
    row = cursor.fetchone()
    if not bool(row):
        raise DataNotFound(
            f"Could not find resource category with key {category_key}")
    return ResourceCategory(UUID(row["resource_category_id"]),
                            row["resource_category_key"],
                            row["resource_category_description"])


def __create_resources__(cursor: authdb.DbCursor) -> tuple[Resource, ...]:
    """Create default resources."""
    resources = tuple(Resource(
        uuid4(), name, __resource_category_by_key__(cursor, catkey),
        True, tuple()
    ) for name, catkey in (
        ("mRNA-euhrin", "mrna"),
        ("pheno-xboecp", "phenotype"),
        ("geno-welphd", "genotype")))
    cursor.executemany(
        "INSERT INTO resources VALUES (:rid, :rname, :rcid, :pub)",
        tuple({
            "rid": str(res.resource_id),
            "rname": res.resource_name,
            "rcid": str(res.resource_category.resource_category_id),
            "pub": 1
        } for res in resources))
    return resources


def default_resources(conn: authdb.DbConnection, group: Group) -> tuple[
        Resource, ...]:
    """Create default resources, or return them if they exist."""
    with authdb.cursor(conn) as cursor:
        cursor.execute(
            "SELECT r.resource_id, r.resource_name, r.public, rc.* "
            "FROM resource_ownership AS ro INNER JOIN resources AS r "
            "ON ro.resource_id=r.resource_id "
            "INNER JOIN resource_categories AS rc "
            "ON r.resource_category_id=rc.resource_category_id "
            "WHERE ro.group_id=? AND r.resource_name IN "
            "('mRNA-euhrin', 'pheno-xboecp', 'geno-welphd')",
            (str(group.group_id),))
        rows = cursor.fetchall()
        if len(rows) == 0:
            return __create_resources__(cursor)

        return tuple(Resource(
            UUID(row["resource_id"]),
            row["resource_name"],
            ResourceCategory(
                UUID(row["resource_category_id"]),
                row["resource_category_key"],
                row["resource_category_description"]),
            bool(row["public"]),
            tuple()
        ) for row in rows)


def delay():
    """Delay a while: anything from 2 seconds to 15 seconds."""
    time.sleep(random.choice(range(2,16)))


def __assigned_mrna__(authconn):
    """Retrieve assigned mRNA items."""
    with authdb.cursor(authconn) as cursor:
        cursor.execute(
            "SELECT SpeciesId, InbredSetId, ProbeFreezeId, ProbeSetFreezeId "
            "FROM linked_mrna_data")
        return tuple(
            (row["SpeciesId"], row["InbredSetId"], row["ProbeFreezeId"],
             row["ProbeSetFreezeId"]) for row in cursor.fetchall())


def __unassigned_mrna__(bioconn, assigned):
    """Retrieve unassigned mRNA data items."""
    query = (
        "SELECT s.SpeciesId, iset.InbredSetId, pf.ProbeFreezeId, "
        "psf.Id AS ProbeSetFreezeId, psf.Name AS dataset_name, "
        "psf.FullName AS dataset_fullname, psf.ShortName AS dataset_shortname "
        "FROM Species AS s INNER JOIN InbredSet AS iset "
        "ON s.SpeciesId=iset.SpeciesId INNER JOIN ProbeFreeze AS pf "
        "ON iset.InbredSetId=pf.InbredSetId INNER JOIN ProbeSetFreeze AS psf "
        "ON pf.ProbeFreezeId=psf.ProbeFreezeId "
        "WHERE s.Name != 'human' ")
    if len(assigned) > 0:
        paramstr = ", ".join(["(%s, %s, %s, %s)"] * len(assigned))
        query = query + (
            "AND (s.SpeciesId, iset.InbredSetId, pf.ProbeFreezeId, psf.Id) "
            f"NOT IN ({paramstr}) ")

    query = query + "LIMIT 100000"
    with bioconn.cursor(DictCursor) as cursor:
        cursor.execute(query, tuple(item for row in assigned for item in row))
        return (row for row in cursor.fetchall())


def __assign_mrna__(authconn, bioconn, resource, group):
    "Assign any unassigned mRNA data to resource."
    while True:
        unassigned = tuple({
            "data_link_id": str(uuid4()),
            "group_id": str(group.group_id),
            "resource_id": str(resource.resource_id),
            **row
        } for row in __unassigned_mrna__(
            bioconn, __assigned_mrna__(authconn)))

        if len(unassigned) <= 0:
            print("-> mRNA: Completed!")
            break
        with authdb.cursor(authconn) as cursor:
            cursor.executemany(
                "INSERT INTO linked_mrna_data VALUES "
                "(:data_link_id, :group_id, :SpeciesId, :InbredSetId, "
                ":ProbeFreezeId, :ProbeSetFreezeId, :dataset_name, "
                ":dataset_fullname, :dataset_shortname)",
                unassigned)
            cursor.executemany(
                "INSERT INTO mrna_resources VALUES "
                "(:resource_id, :data_link_id)",
                unassigned)
            print(f"-> mRNA: Linked {len(unassigned)}")
            delay()


def __assigned_geno__(authconn):
    """Retrieve assigned genotype data."""
    with authdb.cursor(authconn) as cursor:
        cursor.execute(
            "SELECT SpeciesId, InbredSetId, GenoFreezeId "
            "FROM linked_genotype_data")
        return tuple((row["SpeciesId"], row["InbredSetId"], row["GenoFreezeId"])
                     for row in cursor.fetchall())

def __unassigned_geno__(bioconn, assigned):
    """Fetch unassigned genotype data."""
    query = (
        "SELECT s.SpeciesId, iset.InbredSetId, iset.InbredSetName, "
        "gf.Id AS GenoFreezeId, gf.Name AS dataset_name, "
        "gf.FullName AS dataset_fullname, "
        "gf.ShortName AS dataset_shortname "
        "FROM Species AS s INNER JOIN InbredSet AS iset "
        "ON s.SpeciesId=iset.SpeciesId INNER JOIN GenoFreeze AS gf "
        "ON iset.InbredSetId=gf.InbredSetId "
        "WHERE s.Name != 'human' ")
    if len(assigned) > 0:
        paramstr = ", ".join(["(%s, %s, %s)"] * len(assigned))
        query = query + (
            "AND (s.SpeciesId, iset.InbredSetId, gf.Id) "
            f"NOT IN ({paramstr}) ")

    query = query + "LIMIT 100000"
    with bioconn.cursor(DictCursor) as cursor:
        cursor.execute(query, tuple(item for row in assigned for item in row))
        return (row for row in cursor.fetchall())


def __assign_geno__(authconn, bioconn, resource, group):
    "Assign any unassigned Genotype data to resource."
    while True:
        unassigned = tuple({
            "data_link_id": str(uuid4()),
            "group_id": str(group.group_id),
            "resource_id": str(resource.resource_id),
            **row
        } for row in __unassigned_geno__(
            bioconn, __assigned_geno__(authconn)))

        if len(unassigned) <= 0:
            print("-> Genotype: Completed!")
            break
        with authdb.cursor(authconn) as cursor:
            cursor.executemany(
                "INSERT INTO linked_genotype_data VALUES "
                "(:data_link_id, :group_id, :SpeciesId, :InbredSetId, "
                ":GenoFreezeId, :dataset_name, :dataset_fullname, "
                ":dataset_shortname)",
                unassigned)
            cursor.executemany(
                "INSERT INTO genotype_resources VALUES "
                "(:resource_id, :data_link_id)",
                unassigned)
            print(f"-> Genotype: Linked {len(unassigned)}")
            delay()


def __assigned_pheno__(authconn):
    """Retrieve assigned phenotype data."""
    with authdb.cursor(authconn) as cursor:
        cursor.execute(
            "SELECT SpeciesId, InbredSetId, PublishFreezeId, PublishXRefId "
            "FROM linked_phenotype_data")
        return tuple((
            row["SpeciesId"], row["InbredSetId"], row["PublishFreezeId"],
            row["PublishXRefId"]) for row in cursor.fetchall())


def __unassigned_pheno__(bioconn, assigned):
    """Retrieve all unassigned Phenotype data."""
    query = (
        "SELECT spc.SpeciesId, iset.InbredSetId, "
        "pf.Id AS PublishFreezeId, pf.Name AS dataset_name, "
        "pf.FullName AS dataset_fullname, "
        "pf.ShortName AS dataset_shortname, pxr.Id AS PublishXRefId "
        "FROM "
        "Species AS spc "
        "INNER JOIN InbredSet AS iset "
        "ON spc.SpeciesId=iset.SpeciesId "
        "INNER JOIN PublishFreeze AS pf "
        "ON iset.InbredSetId=pf.InbredSetId "
        "INNER JOIN PublishXRef AS pxr "
        "ON pf.InbredSetId=pxr.InbredSetId "
        "WHERE spc.Name != 'human' ")
    if len(assigned) > 0:
        paramstr = ", ".join(["(%s, %s, %s, %s)"] * len(assigned))
        query = query + (
            "AND (spc.SpeciesId, iset.InbredSetId, pf.Id, pxr.Id) "
            f"NOT IN ({paramstr}) ")

    query = query + "LIMIT 100000"
    with bioconn.cursor(DictCursor) as cursor:
        cursor.execute(query, tuple(item for row in assigned for item in row))
        return (row for row in cursor.fetchall())


def __assign_pheno__(authconn, bioconn, resource, group):
    """Assign any unassigned Phenotype data to resource."""
    while True:
        unassigned = tuple({
            "data_link_id": str(uuid4()),
            "group_id": str(group.group_id),
            "resource_id": str(resource.resource_id),
            **row
        } for row in __unassigned_pheno__(
            bioconn, __assigned_pheno__(authconn)))

        if len(unassigned) <= 0:
            print("-> Phenotype: Completed!")
            break
        with authdb.cursor(authconn) as cursor:
            cursor.executemany(
                "INSERT INTO linked_phenotype_data VALUES "
                "(:data_link_id, :group_id, :SpeciesId, :InbredSetId, "
                ":PublishFreezeId, :dataset_name, :dataset_fullname, "
                ":dataset_shortname, :PublishXRefId)",
                unassigned)
            cursor.executemany(
                "INSERT INTO phenotype_resources VALUES "
                "(:resource_id, :data_link_id)",
                unassigned)
            print(f"-> Phenotype: Linked {len(unassigned)}")
            delay()


def assign_data_to_resource(
        authconn, bioconn, resource: Resource, group: Group):
    """Assign existing data, not linked to any group to the resource."""
    assigner_fns = {
        "mrna": __assign_mrna__,
        "genotype": __assign_geno__,
        "phenotype": __assign_pheno__
    }
    return assigner_fns[resource.resource_category.resource_category_key](
        authconn, bioconn, resource, group)


def entry(authdbpath, mysqldburi):
    """Entry-point for data migration."""
    if not Path(authdbpath).exists():
        print(
            f"ERROR: Auth db file `{authdbpath}` does not exist.",
            file=sys.stderr)
        sys.exit(2)
    try:
        with (authdb.connection(authdbpath) as authconn,
              biodb.database_connection(mysqldburi) as bioconn):
            admin = select_sys_admin(sys_admins(authconn))
            the_admin_group = admin_group(authconn, admin)
            resources = default_resources(authconn, the_admin_group)
            add_resources_to_group(authconn, resources, the_admin_group)
            for resource in resources:
                assign_data_to_resource(
                    authconn, bioconn, resource, the_admin_group)
                with authdb.cursor(authconn) as cursor:
                    assign_resource_owner_role(
                        cursor, resource.resource_id, admin.user_id)
    except DataNotFound as dnf:
        print(dnf.args[0], file=sys.stderr)
        sys.exit(1)


@click.command()
@click.argument("authdbpath") # "Path to the Auth(entic|oris)ation database"
@click.argument("mysqldburi") # "URI to the MySQL database with the biology data"
@click.option("--loglevel", default="WARNING", show_default=True,
              type=click.Choice(["CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG"]))
def run(authdbpath, mysqldburi, loglevel):
    """Setup command-line arguments."""
    globallogger = logging.getLogger()
    globallogger.setLevel(loglevel)
    entry(authdbpath, mysqldburi)


if __name__ == "__main__":
    run() # pylint: disable=[no-value-for-parameter]