From fcd7880a1037ae2a4cbb521a5f9e748a7f1a1446 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Mon, 16 Sep 2024 15:22:34 -0500
Subject: Create population resource and assign appropriate roles

Provide an endpoint to create a new population
resource (inbredset-group) and assign the active user with the
appropriate privileges against the new resource.
---
 .../authorisation/resources/inbredset/views.py     | 77 +++++++++++++++++++++-
 1 file changed, 76 insertions(+), 1 deletion(-)

(limited to 'gn_auth/auth/authorisation/resources/inbredset/views.py')

diff --git a/gn_auth/auth/authorisation/resources/inbredset/views.py b/gn_auth/auth/authorisation/resources/inbredset/views.py
index d565533..b559105 100644
--- a/gn_auth/auth/authorisation/resources/inbredset/views.py
+++ b/gn_auth/auth/authorisation/resources/inbredset/views.py
@@ -1,8 +1,17 @@
 """Views for InbredSet resources."""
-from flask import jsonify, Response, Blueprint
+from pymonad.either import Left, Right, Either
+from flask import jsonify, Response, Blueprint, current_app as app
+
 
 from gn_auth.auth.db import sqlite3 as db
+from gn_auth.auth.requests import request_json
 from gn_auth.auth.db.sqlite3 import with_db_connection
+from gn_auth.auth.authentication.oauth2.resource_server import require_oauth
+from gn_auth.auth.authorisation.resources.groups.models import user_group
+
+from .models import (create_resource,
+                     link_data_to_resource,
+                     assign_inbredset_group_owner_role)
 
 popbp = Blueprint("populations", __name__)
 
@@ -35,3 +44,69 @@ def resource_id_by_inbredset_id(speciesid: int, inbredsetid: int) -> Response:
         resp.status_code = 404
 
     return resp
+
+
+@popbp.route("/populations/create", methods=["POST"])
+@require_oauth("profile group resource")
+def create_population_resource():
+    """Create a resource of type 'inbredset-group'."""
+    with (require_oauth.acquire("profile group resource") as _token,
+          db.connection(app.config["AUTH_DB"]) as conn,
+          db.cursor(conn) as cursor):
+
+        def __check_form__(form, usergroup) -> Either:
+            """Check form for errors."""
+            errors: tuple[str, ...] = tuple()
+
+            species_id = form.get("species_id")
+            if not bool(species_id):
+                errors = errors + ("Missing `species_id` value.",)
+
+            population_id = form.get("population_id")
+            if not bool(population_id):
+                errors = errors + ("Missing `population_id` value.",)
+
+            population_name = form.get("population_name")
+            if not bool(population_name):
+                errors = errors + ("Missing `population_name` value.",)
+
+            population_fullname = form.get("population_fullname")
+            if not bool(population_fullname):
+                errors = errors + ("Missing `population_fullname` value.",)
+
+            if bool(errors):
+                error_messages = "\n\t - ".join(errors)
+                return Left({
+                    "error": "Invalid Request Data!",
+                    "error_description": error_messages
+                })
+
+            return Right({"formdata": form, "group": usergroup})
+
+        return user_group(conn, _token.user).then(
+            lambda group: __check_form__(request_json(), group)
+        ).then(
+            lambda formdata: {
+                **formdata,
+                "resource": create_resource(
+                    cursor,
+                    f"Population — {formdata['formdata']['population_name']}",
+                    _token.user,
+                    formdata["group"],
+                    formdata["formdata"].get("public", "on") == "on")}
+        ).then(
+            lambda resource: {
+                **resource,
+                "resource": assign_inbredset_group_owner_role(
+                    cursor, resource["resource"], _token.user)}
+        ).then(
+            lambda resource: link_data_to_resource(
+                cursor,
+                resource["resource"].resource_id,
+                resource["formdata"]["species_id"],
+                resource["formdata"]["population_id"],
+                resource["formdata"]["population_name"],
+                resource["formdata"]["population_fullname"])
+        ).either(
+            lambda error: (jsonify(error), 400),
+            jsonify)
-- 
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