From dfc0c9fd051000afed95547e36aa494520b096f0 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Wed, 22 Mar 2023 11:39:11 +0300
Subject: auth: data linking: build functions to fetch unlinked phenotypes

This is an initial attempt: it does not allow a search to be carried out
across the data available in the database.

I will need to rework this, probably start from the UI and work backward.
---
 gn3/auth/authorisation/data/phenotypes.py | 46 +++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 gn3/auth/authorisation/data/phenotypes.py

diff --git a/gn3/auth/authorisation/data/phenotypes.py b/gn3/auth/authorisation/data/phenotypes.py
new file mode 100644
index 0000000..da1e2f2
--- /dev/null
+++ b/gn3/auth/authorisation/data/phenotypes.py
@@ -0,0 +1,46 @@
+"""Handle linking of Phenotype data to the Auth(entic|oris)ation system."""
+import gn3.auth.db as authdb
+import gn3.db_utils as gn3db
+from gn3.auth.authorisation.checks import authorised_p
+
+def linked_phenotype_data(conn: authdb.DbConnection) -> tuple[dict, ...]:
+    """Retrieve phenotype data linked to user groups."""
+    with authdb.cursor(conn) as cursor:
+        cursor.execute("SELECT * FROM linked_phenotype_data")
+        return tuple(dict(row) for row in cursor.fetchall())
+    return tuple()
+
+@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 ungrouped_phenotype_data(
+        authconn: authdb.DbConnection, gn3conn: gn3db.Connection):
+    """Retrieve phenotype data that is not linked to any user group."""
+    with gn3conn.cursor() as cursor:
+        params = tuple(
+            (row["SpeciesId"], row["InbredSetId"], row["PublishFreezeId"],
+             row["PublishXRefId"])
+            for row in linked_phenotype_data(authconn))
+        paramstr = ", ".join(["(?, ?, ? ?)"] * len(params))
+        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")
+        if len(params) > 0:
+            query = query + (
+                f" WHERE (iset.InbredSetId, pf.Id, pxr.Id) NOT IN ({paramstr})")
+
+        cursor.execute(query, params)
+        return tuple(dict(row) for row in cursor.fetchall())
+
+    return tuple()
-- 
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