Custom Filters [Backend] (#3105) (#3110)

* Added `ResultFilters` to types
Added customFilters field to user
This field is an optional array of `ResultFilters`
It will store a user's custom filters

* Added Add and Remove functions for `ResultFilters` in user DAL

Also added unit tests

* Added Custom Filter configuration

Can now enable/disable the custom filters feature
Can also set a cap on the number of filters per user

* Add and Remove functions for `ResultFilters` in user controller

backend/src/api/schemas/filter-schema.ts

@@ -2,7 +2,16 @@ import joi from "joi";
 
 const FILTER_SCHEMA = {
   _id: joi.string().required(),
-  name: joi.string().required(),
+  name: joi
+    .string()
+    .required()
+    .regex(/^[0-9a-zA-Z_.-]+$/)
+    .max(16)
+    .messages({
+      "string.pattern.base":
+        "Filter name invalid. Name cannot contain special characters or more than 16 characters. Can include _ . and -",
+      "string.max": "Filter name exceeds maximum of 16 characters",
+    }),
   difficulty: joi
     .object({
       normal: joi.bool().required(),

backend/src/constants/base-configuration.ts

@@ -43,7 +43,7 @@ export const BASE_CONFIGURATION: MonkeyTypes.Configuration = {
     enabled: false,
   },
   customFilters: {
-    enabled: true,
+    enabled: false,
     maxFiltersPerUser: 0,
   },
 };