Work for TS#54 (Round 3)

src/main/resources/reports/invoice_aging/README.md

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+# Invoice Aging Report
+
+This report lists all customer invoice aging with remaining balances, breaking them into standard aging buckets and converting amounts to USD for easy comparison.
+
+The snapshot view is: `v_report_invoice_aging`
+
+## Prerequisites
+
+This report requires the `analytics_currency_conversion` table to be populated. See [insertMonthlyCurrencyConversionRates.ddl](../utils/insertMonthlyCurrencyConversionRates.ddl)
+
+## Report Creation
+
+```
+curl -v \
+     -X POST \
+     -u admin:password \
+     -H "X-Killbill-ApiKey:bob" \
+     -H "X-Killbill-ApiSecret:lazar" \
+     -H 'Content-Type: application/json' \
+     -d '{"reportName": "report_invoice_aging",
+          "reportType": "TABLE",
+          "reportPrettyName": "Invoice Aging Report",
+          "sourceTableName": "report_invoice_aging",
+          "refreshProcedureName": "refresh_report_invoice_aging",
+          "refreshFrequency": "DAILY"}' \
+     "http://127.0.0.1:8080/plugins/killbill-analytics/reports"
+```
+
+## Report UI:
+
+![invoice-aging.png](invoice-aging.png)

src/main/resources/reports/invoice_aging/report_invoice_aging.ddl

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+create table report_invoice_aging as select * from v_report_invoice_aging limit 0;
+
+drop procedure if exists refresh_report_invoice_aging;
+DELIMITER //
+CREATE PROCEDURE refresh_report_invoice_aging()
+BEGIN
+
+DECLARE EXIT HANDLER FOR SQLEXCEPTION ROLLBACK;
+DECLARE EXIT HANDLER FOR SQLWARNING ROLLBACK;
+
+SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
+START TRANSACTION;
+  delete from report_invoice_aging;
+  insert into report_invoice_aging select * from v_report_invoice_aging;
+COMMIT;
+
+END;
+//
+DELIMITER ;

src/main/resources/reports/invoice_aging/v_report_invoice_aging.ddl

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+CREATE OR REPLACE VIEW v_report_invoice_aging AS
+WITH date_buckets AS (
+    SELECT
+        CURRENT_DATE AS today,
+        CURRENT_DATE - INTERVAL 30 DAY AS d_0_30,
+        CURRENT_DATE - INTERVAL 60 DAY AS d_30_60,
+        CURRENT_DATE - INTERVAL 90 DAY AS d_60_90,
+        CURRENT_DATE - INTERVAL 120 DAY AS d_90_120,
+        CURRENT_DATE - INTERVAL 150 DAY AS d_120_150
+),
+invoice_data AS (
+    SELECT
+        ii.invoice_number,
+        ii.account_name,
+        ii.account_external_key,
+        CAST(ii.created_date AS DATE) AS invoice_creation_date,
+        CAST(ii.invoice_date AS DATE) AS invoice_date,
+        CAST(ii.start_date AS DATE) AS service_start_date,
+        CAST(ii.end_date AS DATE) AS service_end_date,
+        ii.bundle_external_key,
+        ii.product_name,
+        ii.slug,
+        ii.currency,
+        ii.invoice_original_amount_charged,
+        ii.invoice_balance,
+        ii.amount,
+        ii.created_date,
+        ii.invoice_item_record_id,
+        ii.tenant_record_id
+    FROM analytics_invoice_items ii
+    WHERE ii.invoice_date < CAST(DATE_FORMAT(SYSDATE(), '%Y-%m-01') AS DATE)
+      AND ii.report_group != 'test'
+      AND ii.invoice_balance > 0
+)
+SELECT
+    a.account_name AS "Customer Name",
+    a.account_external_key AS "Account Number",
+    a.currency AS "Currency",
+
+    -- Balance due buckets
+    CASE WHEN a.invoice_creation_date > b.d_0_30 THEN a.invoice_original_amount_charged ELSE 0 END AS "Balance due 0-30 Days",
+    CASE WHEN a.invoice_creation_date BETWEEN b.d_30_60 AND b.d_0_30 THEN a.invoice_original_amount_charged ELSE 0 END AS "Balance due 30-60 Days",
+    CASE WHEN a.invoice_creation_date BETWEEN b.d_60_90 AND b.d_30_60 THEN a.invoice_original_amount_charged ELSE 0 END AS "Balance due 60-90 Days",
+    CASE WHEN a.invoice_creation_date BETWEEN b.d_90_120 AND b.d_60_90 THEN a.invoice_original_amount_charged ELSE 0 END AS "Balance due 90-120 Days",
+    CASE WHEN a.invoice_creation_date BETWEEN b.d_120_150 AND b.d_90_120 THEN a.invoice_original_amount_charged ELSE 0 END AS "Balance due 120-150 Days",
+    CASE WHEN a.invoice_creation_date < b.d_120_150 THEN a.invoice_original_amount_charged ELSE 0 END AS "Balance due 150+ Days",
+
+    a.invoice_original_amount_charged AS "Total Balance Due",
+
+    -- Balance due in USD
+    CASE WHEN a.invoice_creation_date > b.d_0_30 THEN CASE WHEN a.currency != 'USD' THEN ROUND(cc.reference_rate * a.invoice_original_amount_charged, 4) ELSE a.invoice_original_amount_charged END ELSE 0 END AS "Balance due 0-30 Days USD",
+    CASE WHEN a.invoice_creation_date BETWEEN b.d_30_60 AND b.d_0_30 THEN CASE WHEN a.currency != 'USD' THEN ROUND(cc.reference_rate * a.invoice_original_amount_charged, 4) ELSE a.invoice_original_amount_charged END ELSE 0 END AS "Balance due 30-60 Days USD",
+    CASE WHEN a.invoice_creation_date BETWEEN b.d_60_90 AND b.d_30_60 THEN CASE WHEN a.currency != 'USD' THEN ROUND(cc.reference_rate * a.invoice_original_amount_charged, 4) ELSE a.invoice_original_amount_charged END ELSE 0 END AS "Balance due 60-90 Days USD",
+    CASE WHEN a.invoice_creation_date BETWEEN b.d_90_120 AND b.d_60_90 THEN CASE WHEN a.currency != 'USD' THEN ROUND(cc.reference_rate * a.invoice_original_amount_charged, 4) ELSE a.invoice_original_amount_charged END ELSE 0 END AS "Balance due 90-120 Days USD",
+    CASE WHEN a.invoice_creation_date BETWEEN b.d_120_150 AND b.d_90_120 THEN CASE WHEN a.currency != 'USD' THEN ROUND(cc.reference_rate * a.invoice_original_amount_charged, 4) ELSE a.invoice_original_amount_charged END ELSE 0 END AS "Balance due 120-150 Days USD",
+    CASE WHEN a.invoice_creation_date < b.d_120_150 THEN CASE WHEN a.currency != 'USD' THEN ROUND(cc.reference_rate * a.invoice_original_amount_charged, 4) ELSE a.invoice_original_amount_charged END ELSE 0 END AS "Balance due 150+ Days USD",
+
+    CASE WHEN a.currency != 'USD' THEN cc.reference_rate * a.invoice_original_amount_charged ELSE a.invoice_original_amount_charged END AS "Total Balance Due USD" ,
+
+    a.invoice_number AS "Invoice Number",
+    a.bundle_external_key AS "Bundle External Key",
+    a.slug AS "Slug",
+    a.service_start_date AS "Service Start Date",
+    a.service_end_date AS "Service End Date",
+    a.invoice_date AS "Invoice Date",
+    a.invoice_original_amount_charged AS "Invoice Amount",
+    a.invoice_balance AS "Invoice Balance",
+    case when a.currency != 'USD' then ROUND(cc.reference_rate * a.invoice_original_amount_charged, 4) else a.invoice_original_amount_charged end AS "Invoice Amount USD",
+    case when a.currency != 'USD' then ROUND(cc.reference_rate * a.invoice_balance, 4) else a.invoice_balance end AS "Invoice Balance USD",
+    a.tenant_record_id
+FROM invoice_data a
+LEFT OUTER JOIN analytics_currency_conversion cc
+    ON a.created_date >= cc.start_date
+   AND a.created_date <= cc.end_date
+   AND cc.currency = a.currency
+CROSS JOIN date_buckets b
+ORDER BY a.account_name, a.invoice_number, a.invoice_item_record_id;