move query builders into v2 and v3 folders

Author: jakewmeyer

src/builders/limit.js renamed to src/builders/v2/limit.js

@@ -1,5 +1,5 @@
 
-const order = require('../order');
+const order = require('./order');
 
 /**
  * Builds and returns mongo sort object for specific querystring fields.

src/builders/order.js renamed to src/builders/v2/order.js

@@ -0,0 +1,18 @@
+
+/**
+ * Returns number to limit documents in mongo query
+ * @param {Object} query Koa querystring object from ctx.request
+ * @return {number} Number of documents to limit
+ */
+
+module.exports = q => {
+  let limit = null;
+
+  if (q.limit) {
+    limit = parseInt(q.limit, 10);
+  } else {
+    limit = 0;
+  }
+
+  return limit;
+};

src/builders/project.js renamed to src/builders/v2/project.js

@@ -0,0 +1,23 @@
+
+// Prevent incorrect input
+const lowerCase = require('lower-case');
+
+/**
+ * Builds Mongo sort object to set sorting direction
+ * @param {Object} query Koa querystring object from ctx.request
+ * @return {number} Positive or negative number to indicate sort direction
+ */
+
+module.exports = q => {
+  let order;
+
+  if (lowerCase(q.order) === 'asc') {
+    order = 1;
+  } else if (lowerCase(q.order) === 'desc') {
+    order = -1;
+  } else {
+    order = 1;
+  }
+
+  return order;
+};

src/builders/sort/v2-sort.js renamed to src/builders/v2/sort.js

@@ -0,0 +1,21 @@
+
+// Prevent incorrect input
+const lowerCase = require('lower-case');
+
+/**
+ * Builds Mongo projection object to show/hide document id field
+ * @param {Object} query Koa querystring object from ctx.request
+ * @return {Object} Mongo compatible projection object
+ */
+
+module.exports = q => {
+  const query = {};
+
+  if (lowerCase(q.id) !== 'true') {
+    // Mongo _id field requires underscore dangle
+    // eslint-disable-next-line no-underscore-dangle
+    query._id = 0;
+  }
+
+  return query;
+};

src/builders/v3/limit.js

@@ -1,5 +1,5 @@
 
-const order = require('../order');
+const order = require('./order');
 
 /**
  * Builds and returns mongo sort object for specific querystring fields.

src/builders/v3/order.js

@@ -1,6 +1,6 @@
 
-const limit = require('../../builders/limit');
-const project = require('../../builders/project');
+const limit = require('../../builders/v2/limit');
+const project = require('../../builders/v2/project');
 
 module.exports = {
 

src/builders/v3/project.js

@@ -1,8 +1,8 @@
 
-const sort = require('../../builders/sort/v2-sort');
+const sort = require('../../builders/v2/sort');
 const historyQuery = require('../../builders/query/history-query');
-const limit = require('../../builders/limit');
-const project = require('../../builders/project');
+const limit = require('../../builders/v2/limit');
+const project = require('../../builders/v2/project');
 
 module.exports = {