mongo profiler formatter

packages/api/src/controllers/jsldata.js

@@ -7,6 +7,7 @@ const DatastoreProxy = require('../utility/DatastoreProxy');
 const { saveFreeTableData } = require('../utility/freeTableStorage');
 const getJslFileName = require('../utility/getJslFileName');
 const JsonLinesDatastore = require('../utility/JsonLinesDatastore');
+const requirePluginFunction = require('../utility/requirePluginFunction');
 const socket = require('../utility/socket');
 
 function readFirstLine(file) {
@@ -99,10 +100,11 @@ module.exports = {
   //   return readerInfo;
   // },
 
-  async ensureDatastore(jslid) {
+  async ensureDatastore(jslid, formatterFunction) {
+    const rowFormatter = requirePluginFunction(formatterFunction);
     let datastore = this.datastores[jslid];
     if (!datastore) {
-      datastore = new JsonLinesDatastore(getJslFileName(jslid));
+      datastore = new JsonLinesDatastore(getJslFileName(jslid), rowFormatter);
       // datastore = new DatastoreProxy(getJslFileName(jslid));
       this.datastores[jslid] = datastore;
     }
@@ -131,8 +133,8 @@ module.exports = {
   },
 
   getRows_meta: true,
-  async getRows({ jslid, offset, limit, filters }) {
-    const datastore = await this.ensureDatastore(jslid);
+  async getRows({ jslid, offset, limit, filters, formatterFunction }) {
+    const datastore = await this.ensureDatastore(jslid, formatterFunction);
     return datastore.getRows(offset, limit, _.isEmpty(filters) ? null : filters);
   },
 
@@ -150,8 +152,8 @@ module.exports = {
   },
 
   loadFieldValues_meta: true,
-  async loadFieldValues({ jslid, field, search }) {
-    const datastore = await this.ensureDatastore(jslid);
+  async loadFieldValues({ jslid, field, search, formatterFunction }) {
+    const datastore = await this.ensureDatastore(jslid, formatterFunction);
     const res = new Set();
     await datastore.enumRows(row => {
       if (!filterName(search, row[field])) return true;

packages/api/src/utility/JsonLinesDatastore.js

@@ -22,8 +22,9 @@ function fetchNextLineFromReader(reader) {
 }
 
 class JsonLinesDatastore {
-  constructor(file) {
+  constructor(file, rowFormatter) {
     this.file = file;
+    this.rowFormatter = rowFormatter;
     this.reader = null;
     this.readedDataRowCount = 0;
     this.readedSchemaRow = false;
@@ -62,6 +63,11 @@ class JsonLinesDatastore {
     );
   }
 
+  parseLine(line) {
+    const res = JSON.parse(line);
+    return this.rowFormatter ? this.rowFormatter(res) : res;
+  }
+
   async _readLine(parse) {
     // if (this.firstRowToBeReturned) {
     //   const res = this.firstRowToBeReturned;
@@ -84,14 +90,14 @@ class JsonLinesDatastore {
         }
       }
       if (this.currentFilter) {
-        const parsedLine = JSON.parse(line);
+        const parsedLine = this.parseLine(line);
         if (evaluateCondition(this.currentFilter, parsedLine)) {
           this.readedDataRowCount += 1;
           return parse ? parsedLine : true;
         }
       } else {
         this.readedDataRowCount += 1;
-        return parse ? JSON.parse(line) : true;
+        return parse ? this.parseLine(line) : true;
       }
     }
 

packages/api/src/utility/requirePluginFunction.js

@@ -0,0 +1,16 @@
+const _ = require('lodash');
+const requirePlugin = require('../shell/requirePlugin');
+
+function requirePluginFunction(functionName) {
+  if (!functionName) return null;
+  if (functionName.includes('@')) {
+    const [shortName, packageName] = functionName.split('@');
+    const plugin = requirePlugin(packageName);
+    if (plugin.functions) {
+      return plugin.functions[shortName];
+    }
+  }
+  return null;
+}
+
+module.exports = requirePluginFunction;