Create events_chart.sql

views/events_chart.sql

@@ -0,0 +1,33 @@
+CREATE OR REPLACE VIEW events_chart AS
+WITH x AS (
+    SELECT
+        app.get_app_id()                        AS app_id,
+        app.get_item('$EVENT_ID')               AS event_id,
+        app.get_item('$USER_ID')                AS user_id,
+        TRUNC(app.get_date_item('G_TODAY'))     AS today
+    FROM users u
+    WHERE u.user_id = app.get_user_id()
+),
+z AS (
+    SELECT
+        LEVEL                                                           AS bucket_id,
+        TRUNC(SYSDATE) + NUMTODSINTERVAL((LEVEL - 1) * 10, 'MINUTE')    AS start_at,
+        TRUNC(SYSDATE) + NUMTODSINTERVAL( LEVEL      * 10, 'MINUTE')    AS end_at
+    FROM DUAL
+    CONNECT BY LEVEL <= (1440 / 10)
+)
+SELECT
+    z.bucket_id,
+    TO_CHAR(z.start_at, 'HH24:MI')              AS chart_label,
+    NULLIF(COUNT(e.event_id), 0)                AS count_events
+FROM z
+CROSS JOIN x
+LEFT JOIN logs_events e
+    ON e.app_id         = x.app_id
+    AND e.created_at    >= x.today
+    AND e.created_at    < x.today + 1
+    AND e.event_id      = NVL(x.event_id, e.event_id)
+    AND e.user_id       = NVL(x.user_id, e.user_id)
+    AND z.bucket_id     = app.get_time_bucket(e.created_at, 10)
+GROUP BY z.bucket_id, TO_CHAR(z.start_at, 'HH24:MI');
+