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"""Handles the resource objects' data."""
from typing import Any, Sequence
from MySQLdb.cursors import DictCursor
from gn3 import db_utils as gn3db
from gn3.auth import db as authdb
from gn3.auth.authorisation.groups import Group
from gn3.auth.authorisation.checks import authorised_p
from gn3.auth.authorisation.errors import InvalidData, NotFoundError
def __fetch_grouped_data__(
conn: authdb.DbConnection, dataset_type: str) -> Sequence[dict[str, Any]]:
"""Retrieve ids for all data that are linked to groups in the auth db."""
with authdb.cursor(conn) as cursor:
cursor.execute(
"SELECT dataset_type, dataset_or_trait_id FROM linked_group_data "
"WHERE LOWER(dataset_type)=?",
(dataset_type,))
return tuple(dict(row) for row in cursor.fetchall())
def __fetch_ungrouped_mrna_data__(
conn: gn3db.Connection, grouped_data,
offset: int = 0) -> Sequence[dict]:
"""Fetch ungrouped mRNA Assay data."""
query = ("SELECT psf.Id, psf.Name, psf.FullName, "
"ifiles.GN_AccesionId AS accession_id FROM ProbeSetFreeze AS psf "
"INNER JOIN InfoFiles AS ifiles ON psf.Name=ifiles.InfoPageName")
params: tuple[Any, ...] = tuple()
if bool(grouped_data):
clause = ", ".join(["%s"] * len(grouped_data))
query = f"{query} WHERE psf.Id NOT IN ({clause})"
params = tuple(item["dataset_or_trait_id"] for item in grouped_data)
query = f"{query} LIMIT 100 OFFSET %s"
with conn.cursor(DictCursor) as cursor:
cursor.execute(query, (params + (offset,)))
return tuple(dict(row) for row in cursor.fetchall())
def __fetch_ungrouped_geno_data__(
conn: gn3db.Connection, grouped_data,
offset: int = 0) -> Sequence[dict]:
"""Fetch ungrouped Genotype data."""
query = ("SELECT gf.Id, gf.Name, gf.FullName, "
"ifiles.GN_AccesionId AS accession_id FROM GenoFreeze AS gf "
"INNER JOIN InfoFiles AS ifiles ON gf.Name=ifiles.InfoPageName")
params: tuple[Any, ...] = tuple()
if bool(grouped_data):
clause = ", ".join(["%s"] * len(grouped_data))
query = f"{query} WHERE gf.Id NOT IN ({clause})"
params = tuple(item["dataset_or_trait_id"] for item in grouped_data)
query = f"{query} LIMIT 100 OFFSET %s"
with conn.cursor(DictCursor) as cursor:
cursor.execute(query, (params + (offset,)))
return tuple(dict(row) for row in cursor.fetchall())
def __fetch_ungrouped_pheno_data__(
conn: gn3db.Connection, grouped_data,
offset: int = 0) -> Sequence[dict]:
"""Fetch ungrouped Phenotype data."""
query = ("SELECT pf.Id, pf.Name, pf.FullName, "
"ifiles.GN_AccesionId AS accession_id FROM PublishFreeze AS pf "
"INNER JOIN InfoFiles AS ifiles ON pf.Name=ifiles.InfoPageName")
params: tuple[Any, ...] = tuple()
if bool(grouped_data):
clause = ", ".join(["%s"] * len(grouped_data))
query = f"{query} WHERE pf.Id NOT IN ({clause})"
params = tuple(item["dataset_or_trait_id"] for item in grouped_data)
query = f"{query} LIMIT 100 OFFSET %s"
with conn.cursor(DictCursor) as cursor:
cursor.execute(query, (params + (offset,)))
return tuple(dict(row) for row in cursor.fetchall())
def __fetch_ungrouped_data__(
conn: gn3db.Connection, dataset_type: str,
ungrouped: Sequence[dict[str, Any]]) -> Sequence[dict[str, Any]]:
"""Fetch any ungrouped data."""
fetch_fns = {
"mrna": __fetch_ungrouped_mrna_data__,
"genotype": __fetch_ungrouped_geno_data__,
"phenotype": __fetch_ungrouped_pheno_data__
}
return fetch_fns[dataset_type](conn, ungrouped)
@authorised_p(("system:data:link-to-group",),
error_description=(
"You do not have sufficient privileges to link data to (a) "
"group(s)."),
oauth2_scope="profile group resource")
def retrieve_ungrouped_data(
authconn: authdb.DbConnection,
gn3conn: gn3db.Connection,
dataset_type: str) -> Sequence[dict]:
"""Retrieve any data not linked to any group."""
if dataset_type not in ("mrna", "genotype", "phenotype"):
raise InvalidData(
"Requested dataset type is invalid. Expected one of "
"'mrna', 'genotype' or 'phenotype'.")
grouped_data = __fetch_grouped_data__(authconn, dataset_type)
return __fetch_ungrouped_data__(gn3conn, dataset_type, grouped_data)
def __fetch_mrna_data_by_id__(conn: gn3db.Connection, dataset_id: str) -> dict:
"""Fetch mRNA Assay data by ID."""
with conn.cursor(DictCursor) as cursor:
cursor.execute(
"SELECT psf.Id, psf.Name, psf.FullName, "
"ifiles.GN_AccesionId AS accession_id FROM ProbeSetFreeze AS psf "
"INNER JOIN InfoFiles AS ifiles ON psf.Name=ifiles.InfoPageName "
"WHERE psf.Id=%s",
(dataset_id,))
res = cursor.fetchone()
if res:
return dict(res)
raise NotFoundError("Could not find mRNA Assay data with the given ID.")
def __fetch_geno_data_by_id__(conn: gn3db.Connection, dataset_id: str) -> dict:
"""Fetch genotype data by ID."""
with conn.cursor(DictCursor) as cursor:
cursor.execute(
"SELECT gf.Id, gf.Name, gf.FullName, "
"ifiles.GN_AccesionId AS accession_id FROM GenoFreeze AS gf "
"INNER JOIN InfoFiles AS ifiles ON gf.Name=ifiles.InfoPageName "
"WHERE gf.Id=%s",
(dataset_id,))
res = cursor.fetchone()
if res:
return dict(res)
raise NotFoundError("Could not find Genotype data with the given ID.")
def __fetch_pheno_data_by_id__(conn: gn3db.Connection, dataset_id: str) -> dict:
"""Fetch phenotype data by ID."""
with conn.cursor(DictCursor) as cursor:
cursor.execute(
"SELECT pf.Id, pf.Name, pf.FullName, "
"ifiles.GN_AccesionId AS accession_id FROM PublishFreeze AS pf "
"INNER JOIN InfoFiles AS ifiles ON pf.Name=ifiles.InfoPageName "
"WHERE pf.Id=%s",
(dataset_id,))
res = cursor.fetchone()
if res:
return dict(res)
raise NotFoundError(
"Could not find Phenotype/Publish data with the given ID.")
def __fetch_data_by_id(
conn: gn3db.Connection, dataset_type: str, dataset_id: str) -> dict:
"""Fetch data from MySQL by ID."""
fetch_fns = {
"mrna": __fetch_mrna_data_by_id__,
"genotype": __fetch_geno_data_by_id__,
"phenotype": __fetch_pheno_data_by_id__
}
return fetch_fns[dataset_type](conn, dataset_id)
@authorised_p(("system:data:link-to-group",),
error_description=(
"You do not have sufficient privileges to link data to (a) "
"group(s)."),
oauth2_scope="profile group resource")
def link_data_to_group(
authconn: authdb.DbConnection, gn3conn: gn3db.Connection,
dataset_type: str, dataset_id: str, group: Group) -> dict:
"""Link the given data to the specified group."""
the_data = __fetch_data_by_id(gn3conn, dataset_type, dataset_id)
with authdb.cursor(authconn) as cursor:
params = {
"group_id": str(group.group_id), "dataset_type": {
"mrna": "mRNA", "genotype": "Genotype",
"phenotype": "Phenotype"
}[dataset_type],
"dataset_or_trait_id": dataset_id, "dataset_name": the_data["Name"],
"dataset_fullname": the_data["FullName"],
"accession_id": the_data["accession_id"]
}
cursor.execute(
"INSERT INTO linked_group_data VALUES"
"(:group_id, :dataset_type, :dataset_or_trait_id, :dataset_name, "
":dataset_fullname, :accession_id)",
params)
return params
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