chore: Save applicant research opt in query as view (#3996)

hasura.planx.uk/metadata/tables.yaml

@@ -94,6 +94,9 @@
 - table:
     name: analytics_summary
     schema: public
+- table:
+    name: applicant_research_opt_in_view
+    schema: public
 - table:
     name: blpu_codes
     schema: public

hasura.planx.uk/migrations/1732184010002_applicant_research_opt_in_view/down.sql

@@ -0,0 +1,3 @@
+comment on view "public"."applicant_research_opt_in_view" is NULL;
+
+DROP VIEW applicant_research_opt_in_view;

hasura.planx.uk/migrations/1732184010002_applicant_research_opt_in_view/up.sql

@@ -0,0 +1,29 @@
+CREATE OR REPLACE VIEW applicant_research_opt_in_view AS
+WITH data AS (
+    SELECT 
+        ls.id, 
+        ls.email, 
+        ls.created_at AS application_started_at, 
+        ls.submitted_at, 
+        ls.data->'passport'->'data'->>'applicant.name.last' AS last_name, 
+        ls.data->'passport'->'data'->>'applicant.name.first' AS first_name, 
+        f.name AS flow_name, 
+        t.name AS team_name 
+    FROM 
+        lowcal_sessions ls 
+    JOIN 
+        flows f ON ls.flow_id = f.id 
+    JOIN 
+        teams t ON t.id = f.team_id 
+    WHERE 
+        ls.data->'passport'->'data'->>'applicant.researchOptIn' = '["true"]'
+)
+SELECT 
+    * 
+FROM 
+    data 
+WHERE 
+    last_name IS NOT NULL 
+    AND first_name IS NOT NULL;
+
+comment on view "public"."applicant_research_opt_in_view" is E'Temporary view to expose a list of applicants to opt in to user research during the 2024/25 pilot. Used to generate a CSV report bi-weekly.';