Updating view builder to handle if stats has a filter as well, don't need a conjuction this way.

packages/server/src/api/controllers/view/tests/__snapshots__/viewBuilder.spec.js.snap

@@ -1,14 +1,14 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`viewBuilder Calculate creates a view with the calculation statistics schema 1`] = `
+exports[`viewBuilder Calculate and filter creates a view with the calculation statistics and filter schema 1`] = `
 Object {
   "map": "function (doc) {
-      if (doc.tableId === \\"14f1c4e94d6a47b682ce89d35d4c78b0\\" && (!(
+      if ((doc.tableId === \\"14f1c4e94d6a47b682ce89d35d4c78b0\\" && !(
       doc[\\"myField\\"] === undefined ||
       doc[\\"myField\\"] === null ||
       doc[\\"myField\\"] === \\"\\" ||
       (Array.isArray(doc[\\"myField\\"]) && doc[\\"myField\\"].length === 0)
-  ))) {
+  )) && (doc[\\"age\\"] > 17)) {
         emit(doc[\\"_id\\"], doc[\\"myField\\"]);
       }
     }",
@@ -17,8 +17,9 @@ Object {
     "field": "myField",
     "filters": Array [
       Object {
-        "condition": "NOT_EMPTY",
-        "key": "myField",
+        "condition": "MT",
+        "key": "age",
+        "value": 17,
       },
     ],
     "groupBy": undefined,
@@ -51,6 +52,52 @@ Object {
 }
 `;
 
+exports[`viewBuilder Calculate creates a view with the calculation statistics schema 1`] = `
+Object {
+  "map": "function (doc) {
+      if ((doc.tableId === \\"14f1c4e94d6a47b682ce89d35d4c78b0\\" && !(
+      doc[\\"myField\\"] === undefined ||
+      doc[\\"myField\\"] === null ||
+      doc[\\"myField\\"] === \\"\\" ||
+      (Array.isArray(doc[\\"myField\\"]) && doc[\\"myField\\"].length === 0)
+  )) ) {
+        emit(doc[\\"_id\\"], doc[\\"myField\\"]);
+      }
+    }",
+  "meta": Object {
+    "calculation": "stats",
+    "field": "myField",
+    "filters": Array [],
+    "groupBy": undefined,
+    "schema": Object {
+      "avg": Object {
+        "type": "number",
+      },
+      "count": Object {
+        "type": "number",
+      },
+      "field": Object {
+        "type": "string",
+      },
+      "max": Object {
+        "type": "number",
+      },
+      "min": Object {
+        "type": "number",
+      },
+      "sum": Object {
+        "type": "number",
+      },
+      "sumsqr": Object {
+        "type": "number",
+      },
+    },
+    "tableId": "14f1c4e94d6a47b682ce89d35d4c78b0",
+  },
+  "reduce": "_stats",
+}
+`;
+
 exports[`viewBuilder Filter creates a view with multiple filters and conjunctions 1`] = `
 Object {
   "map": "function (doc) {

packages/server/src/api/controllers/view/tests/viewBuilder.spec.js

@@ -44,4 +44,22 @@ describe("viewBuilder", () => {
       })).toMatchSnapshot()
     })
   })
+
+  describe("Calculate and filter", () => {
+    it("creates a view with the calculation statistics and filter schema", () => {
+      expect(viewTemplate({
+        "name": "Calculate View",
+        "field": "myField",
+        "calculation": "stats",
+        "tableId": "14f1c4e94d6a47b682ce89d35d4c78b0",
+        "filters": [
+          {
+            "value": 17,
+            "condition": "MT",
+            "key": "age",
+          }
+        ]
+      })).toMatchSnapshot()
+    })
+  })
 });

packages/server/src/api/controllers/view/viewBuilder.js

@@ -132,7 +132,8 @@ function viewTemplate({ field, tableId, groupBy, filters = [], calculation }) {
     delete filters[0].conjunction
   }
 
-  let schema = null
+  let schema = null,
+    statFilter = null
 
   if (calculation) {
     schema = {
@@ -145,7 +146,9 @@ function viewTemplate({ field, tableId, groupBy, filters = [], calculation }) {
           filter.key === field && filter.condition === CONDITIONS.NOT_EMPTY
       )
     ) {
-      filters.push({ key: field, condition: CONDITIONS.NOT_EMPTY })
+      statFilter = parseFilterExpression([
+        { key: field, condition: CONDITIONS.NOT_EMPTY },
+      ])
     }
   }
 
@@ -153,7 +156,10 @@ function viewTemplate({ field, tableId, groupBy, filters = [], calculation }) {
   const filterExpression = parsedFilters ? `&& (${parsedFilters})` : ""
 
   const emitExpression = parseEmitExpression(field, groupBy)
-
+  const tableExpression = `doc.tableId === "${tableId}"`
+  const coreExpression = statFilter
+    ? `(${tableExpression} && ${statFilter})`
+    : tableExpression
   const reduction = field && calculation ? { reduce: `_${calculation}` } : {}
 
   return {
@@ -166,7 +172,7 @@ function viewTemplate({ field, tableId, groupBy, filters = [], calculation }) {
       calculation,
     },
     map: `function (doc) {
-      if (doc.tableId === "${tableId}" ${filterExpression}) {
+      if (${coreExpression} ${filterExpression}) {
         ${emitExpression}
       }
     }`,

packages/server/src/api/routes/tests/view.spec.js

@@ -72,12 +72,7 @@ describe("/views", () => {
           field: "Price",
           calculation: "stats",
           tableId: table._id,
-          filters: [
-            {
-              condition: "NOT_EMPTY",
-              key: "Price",
-            }
-          ],
+          filters: [],
           schema: {
             sum: {
               type: "number",