resolving pr comments

queries/analytics/reports/getFunnel.ts

@@ -35,20 +35,64 @@ async function relationalQuery(
   }[]
 > {
   const { windowMinutes, startDate, endDate, urls } = criteria;
-  const { rawQuery, getFunnelQuery, toUuid } = prisma;
-  const { levelQuery, sumQuery } = getFunnelQuery(urls, endDate, websiteId, windowMinutes);
+  const { rawQuery, getAddMinutesQuery } = prisma;
+  const { levelQuery, sumQuery } = getFunnelQuery(urls, windowMinutes);
+
+  function getFunnelQuery(
+    urls: string[],
+    windowMinutes: number,
+  ): {
+    levelQuery: string;
+    sumQuery: string;
+  } {
+    return urls.reduce(
+      (pv, cv, i) => {
+        const levelNumber = i + 1;
+        const startSum = i > 0 ? 'union ' : '';
+
+        if (levelNumber >= 2) {
+          pv.levelQuery += `
+          , level${levelNumber} AS (
+            select distinct we.session_id, we.created_at
+            from level${i} l
+            join website_event we
+                on l.session_id = we.session_id
+            where we.created_at between l.created_at 
+                and ${getAddMinutesQuery(`l.created_at `, windowMinutes)}
+                and we.referrer_path = {{${i - 1}}}
+                and we.url_path = {{${i}}}
+                and we.created_at <= {{endDate}}
+                and we.website_id = {{websiteId::uuid}}
+          )`;
+        }
+
+        pv.sumQuery += `\n${startSum}select ${levelNumber} as level, count(distinct(session_id)) as count from level${levelNumber}`;
+
+        return pv;
+      },
+      {
+        levelQuery: '',
+        sumQuery: '',
+      },
+    );
+  }
 
   return rawQuery(
     `WITH level1 AS (
       select distinct session_id, created_at
       from website_event
-      where website_id = {{websiteId}}${toUuid()}
+      where website_id = {{websiteId::uuid}}
       and created_at between {{startDate}} and {{endDate}}
           and url_path = {{0}})
     ${levelQuery}
     ${sumQuery}
     ORDER BY level;`,
-    { websiteId, startDate, endDate, ...urls },
+    {
+      websiteId,
+      startDate,
+      endDate,
+      ...urls,
+    },
   ).then(results => {
     return urls.map((a, i) => ({
       x: a,
@@ -74,15 +118,54 @@ async function clickhouseQuery(
   }[]
 > {
   const { windowMinutes, startDate, endDate, urls } = criteria;
-  const { rawQuery, getFunnelQuery } = clickhouse;
+  const { rawQuery } = clickhouse;
   const { levelQuery, sumQuery, urlFilterQuery, urlParams } = getFunnelQuery(urls, windowMinutes);
 
-  const params = {
-    websiteId,
-    startDate,
-    endDate,
-    ...urlParams,
-  };
+  function getFunnelQuery(
+    urls: string[],
+    windowMinutes: number,
+  ): {
+    levelQuery: string;
+    sumQuery: string;
+    urlFilterQuery: string;
+    urlParams: { [key: string]: string };
+  } {
+    return urls.reduce(
+      (pv, cv, i) => {
+        const levelNumber = i + 1;
+        const startSum = i > 0 ? 'union all ' : '';
+        const startFilter = i > 0 ? ', ' : '';
+
+        if (levelNumber >= 2) {
+          pv.levelQuery += `\n
+          , level${levelNumber} AS (
+            select distinct y.session_id as session_id,
+                y.url_path as url_path,
+                y.referrer_path as referrer_path,
+                y.created_at as created_at
+            from level${i} x
+            join level0 y
+            on x.session_id = y.session_id
+            where y.created_at between x.created_at and x.created_at + interval ${windowMinutes} minute
+                and y.referrer_path = {url${i - 1}:String}
+                and y.url_path = {url${i}:String}
+          )`;
+        }
+
+        pv.sumQuery += `\n${startSum}select ${levelNumber} as level, count(distinct(session_id)) as count from level${levelNumber}`;
+        pv.urlFilterQuery += `${startFilter}{url${i}:String} `;
+        pv.urlParams[`url${i}`] = cv;
+
+        return pv;
+      },
+      {
+        levelQuery: '',
+        sumQuery: '',
+        urlFilterQuery: '',
+        urlParams: {},
+      },
+    );
+  }
 
   return rawQuery<{ level: number; count: number }[]>(
     `
@@ -101,7 +184,12 @@ async function clickhouseQuery(
     from (
     ${sumQuery} 
     ) ORDER BY level;`,
-    params,
+    {
+      websiteId,
+      startDate,
+      endDate,
+      ...urlParams,
+    },
   ).then(results => {
     return urls.map((a, i) => ({
       x: a,