create unique indices

src/server/models/attachment.js

@@ -6,6 +6,7 @@ const logger = require('@alias/logger')('growi:models:attachment');
 const path = require('path');
 
 const mongoose = require('mongoose');
+const uniqueValidator = require('mongoose-unique-validator');
 
 const ObjectId = mongoose.Schema.Types.ObjectId;
 
@@ -27,6 +28,7 @@ module.exports = function(crowi) {
     fileSize: { type: Number, default: 0 },
     createdAt: { type: Date, default: Date.now },
   });
+  attachmentSchema.plugin(uniqueValidator);
 
   attachmentSchema.virtual('filePathProxied').get(function() {
     return `/attachment/${this._id}`;

src/server/models/bookmark.js

@@ -1,10 +1,12 @@
-// disable no-return-await for model functions
 /* eslint-disable no-return-await */
 
+const debug = require('debug')('growi:models:bookmark');
+const mongoose = require('mongoose');
+const uniqueValidator = require('mongoose-unique-validator');
+
+const ObjectId = mongoose.Schema.Types.ObjectId;
+
 module.exports = function(crowi) {
-  const debug = require('debug')('growi:models:bookmark');
-  const mongoose = require('mongoose');
-  const ObjectId = mongoose.Schema.Types.ObjectId;
   const bookmarkEvent = crowi.event('bookmark');
 
   let bookmarkSchema = null;
@@ -16,6 +18,7 @@ module.exports = function(crowi) {
     createdAt: { type: Date, default: Date.now },
   });
   bookmarkSchema.index({ page: 1, user: 1 }, { unique: true });
+  bookmarkSchema.plugin(uniqueValidator);
 
   bookmarkSchema.statics.countByPageId = async function(pageId) {
     return await this.count({ page: pageId });

src/server/models/config.js

@@ -1,7 +1,5 @@
-// disable no-return-await for model functions
-/* eslint-disable no-return-await */
-
-/* eslint-disable no-use-before-define */
+const mongoose = require('mongoose');
+const uniqueValidator = require('mongoose-unique-validator');
 
 module.exports = function(crowi) {
   const mongoose = require('mongoose');
@@ -11,11 +9,15 @@ module.exports = function(crowi) {
     key: { type: String, required: true, index: true },
     value: { type: String, required: true },
   });
+  // define unique compound index
+  configSchema.index({ ns: 1, key: 1 }, { unique: true });
+  configSchema.plugin(uniqueValidator);
 
   /**
    * default values when GROWI is cleanly installed
    */
   function getConfigsForInstalling() {
+    // eslint-disable-next-line no-use-before-define
     const config = getDefaultCrowiConfigs();
 
     // overwrite

src/server/models/page-tag-relation.js

@@ -5,6 +5,7 @@ const flatMap = require('array.prototype.flatmap');
 
 const mongoose = require('mongoose');
 const mongoosePaginate = require('mongoose-paginate-v2');
+const uniqueValidator = require('mongoose-unique-validator');
 
 const ObjectId = mongoose.Schema.Types.ObjectId;
 
@@ -24,7 +25,10 @@ const schema = new mongoose.Schema({
     required: true,
   },
 });
+// define unique compound index
+schema.index({ page: 1, user: 1 }, { unique: true });
 schema.plugin(mongoosePaginate);
+schema.plugin(uniqueValidator);
 
 /**
  * PageTagRelation Class

src/server/models/tag.js

@@ -3,6 +3,7 @@
 
 const mongoose = require('mongoose');
 const mongoosePaginate = require('mongoose-paginate-v2');
+const uniqueValidator = require('mongoose-unique-validator');
 
 /*
  * define schema
@@ -15,6 +16,7 @@ const schema = new mongoose.Schema({
   },
 });
 schema.plugin(mongoosePaginate);
+schema.plugin(uniqueValidator);
 
 /**
  * Tag Class

src/server/models/user-group-relation.js

@@ -1,6 +1,7 @@
 const debug = require('debug')('growi:models:userGroupRelation');
 const mongoose = require('mongoose');
 const mongoosePaginate = require('mongoose-paginate-v2');
+const uniqueValidator = require('mongoose-unique-validator');
 
 const ObjectId = mongoose.Schema.Types.ObjectId;
 
@@ -14,6 +15,8 @@ const schema = new mongoose.Schema({
   createdAt: { type: Date, default: Date.now, required: true },
 });
 schema.plugin(mongoosePaginate);
+schema.plugin(uniqueValidator);
+
 
 /**
  * UserGroupRelation Class