DB lookup block

README.md

@@ -1 +1 @@
-**Hello world!!!**
+# DB Lookup Block

config.json

@@ -1,6 +1,10 @@
-[
-    {
-      "namespace": "",
-      "connectionId": ""
-    }
-  ]
+[
+  {
+    "namespace": "default",
+    "connectionId": "default"
+  },
+  {
+    "namespace": "staging",
+    "connectionId": "e0f62962-1268-4bcf-b336-72ebfbe43578"
+  }
+]

main.sql

@@ -1 +1,98 @@
-Select * from dummy_table limit 10;
+WITH abc AS (
+    SELECT 
+        DISTINCT 
+        app.application_key,
+        CAST(app.application_timestamp AS TIMESTAMP) AS application_timestamp,
+        LOWER(app.application_email_address) AS application_email_address,
+        app.application_is_rejected,
+        NULLIF(app.application_ssn, '') AS application_ssn, 
+        NULLIF(app.application_bank_account_number, '') AS application_bank_account_number,
+        loans.originated_loan_is_fraud,
+        loans.originated_loan_is_never_paid
+    FROM public.applications AS app
+    LEFT JOIN public.bridge_funding_lifecycle AS master
+        ON app.application_key = master.application_key
+    LEFT JOIN public.originated_loan AS loans
+        ON master.originated_loan_key = loans.originated_loan_key
+        -- WHERE app.application_customer_type = 'Direct New'
+),
+
+current_app AS (
+    SELECT
+        application_key AS current_app_key,
+        application_timestamp AS current_app_created_at,
+        $hd_score_m1 AS hd_score_m1
+    FROM abc
+    WHERE application_key = $application_key  
+),
+
+connected_apps AS (
+    SELECT
+        a.*,
+        a.application_key AS connected_app_key
+    FROM abc a
+    WHERE application_key = ANY(ARRAY$connected_application_keys::text[])
+),
+
+clusters_alt AS (
+    SELECT
+        a.*,
+        b.current_app_key,
+        b.current_app_created_at,
+        b.hd_score_m1,
+        CASE
+            WHEN LOWER(CAST(a.originated_loan_is_fraud AS TEXT)) != 'true'
+                AND a.originated_loan_is_never_paid IS NULL THEN NULL
+            WHEN ABS(EXTRACT(DAY FROM AGE(b.current_app_created_at, a.application_timestamp))) > 29
+                AND (LOWER(CAST(a.originated_loan_is_fraud AS TEXT)) = 'true'
+                    OR LOWER(CAST(a.originated_loan_is_never_paid AS TEXT)) = 'true')
+                THEN 1
+            ELSE 0
+        END AS target_connected_30,
+            CONCAT(a.application_ssn, '_', a.application_bank_account_number) AS user_connected_v2,
+        a.application_timestamp AS connected_date,
+        a.application_email_address AS connected_email,
+        a.application_is_rejected AS application_is_rejected_connected
+    FROM connected_apps a
+    CROSS JOIN current_app b
+),
+
+full_apps_past AS (
+    SELECT
+        current_app_key,
+        SUM(target_connected_30) AS target_connected_30_sum,
+        COUNT(DISTINCT CASE
+            WHEN LOWER(CAST(application_is_rejected_connected AS TEXT)) = 'true'
+            THEN connected_app_key
+            ELSE NULL
+        END) AS rejected_app_count
+    FROM clusters_alt
+    WHERE current_app_key != connected_app_key
+    GROUP BY current_app_key
+),
+
+clusters AS (
+    SELECT
+        a.current_app_key AS application_key,
+        CAST(MAX(hd_score_m1) AS FLOAT) AS hd_score_m1,
+        COUNT(DISTINCT a.user_connected_v2) AS cluster_size_users_v2,
+        MAX(b.target_connected_30_sum) AS target_connected_30_sum,
+        COUNT(DISTINCT a.connected_email) AS email_cnt,
+        MAX(b.rejected_app_count) AS rejected_app_count,
+        COUNT(DISTINCT EXTRACT(DAY FROM DATE(a.connected_date))) AS app_dt_day_cnt,
+        COUNT(*) AS cluster_size
+    FROM clusters_alt a
+    LEFT JOIN full_apps_past b
+        ON a.current_app_key = b.current_app_key
+    GROUP BY 1
+)
+
+SELECT
+	COALESCE(MAX(hd_score_m1), $hd_score_m1)     AS hd_score_m1,
+	COALESCE(MAX(cluster_size_users_v2), 0)      AS cluster_size_users_v2,
+	COALESCE(MAX(target_connected_30_sum), 0)    AS target_connected_30_sum,
+	COALESCE(MAX(email_cnt), 0)                  AS email_cnt,
+	COALESCE(MAX(rejected_app_count), 0)         AS rejected_app_count,
+	COALESCE(MAX(app_dt_day_cnt), 0)             AS app_dt_day_cnt,
+	COALESCE(MAX(cluster_size), 0)               AS cluster_size
+FROM clusters;

request_schema.json

@@ -1 +1,22 @@
-{}
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "type": "object",
+  "properties": {
+    "application_key": {
+      "type": ["string", "null"],
+      "description": "Unique identifier for the application."
+    },
+    "hd_score_m1": {
+      "type": ["number", "null"],
+      "description": "HD fraud score M1."
+    },
+    "connected_application_keys": {
+      "type": "array",
+      "items": {
+        "type": ["string", "null"]
+      },
+      "description": "List of connected application keys associated with this application."
+    }
+  },
+  "required": []
+}

response_schema.json

@@ -1 +1,11 @@
-{}
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "type": "object",
+  "properties": {
+    "results": {
+      "type": ["array", "null"],
+      "items": {"type": "object"}
+    }
+  },
+  "required": []
+}