Public

LoDashStatic.map

LoDashStatic.isEmpty

LoDashStatic.forEach

LoDashStatic.find

LoDashStatic.pick

LoDashStatic.each

LoDashStatic.get

LoDashStatic.isArray

LoDashStatic.filter

LoDashStatic.merge

LoDashStatic.isString

LoDashStatic.isFunction

LoDashStatic.assign

LoDashStatic.extend

LoDashStatic.includes

LoDashStatic.keys

LoDashStatic.cloneDeep

LoDashStatic.uniq

LoDashStatic.isObject

LoDashStatic.omit

forEach

request

attempt

label

assign

body

isJoi

compose

mapValues

groupBy

details

validatorFactory

locals

fail

items

keyBy

toKey

keyPosts

findPosts

first

target

fromPairs

partition

entries

values

length

DocumentNotFoundError

assignToArray

json

status

populatePostUpdateItems

/**
 * Express middleware to populate req.body.items.target with Post documents
 *    from MongoDB. Can return response with status 404 Not Found if no Posts
 *    were found, otherwise req.body.items target will be replaced with
 *    corresponding Post documents and items with no corresponding posts found
 *    will be added to res.locals.fail if there are any.
 * @async
 * @param {Request} req
 * @param {Response} res
 * @param {Function} next
 * @static
 */

// match posts with corresponding update dictionaries

assert

isString

isArray

findKey

includes

RequestValidationError

reduce

push

uniq

pickBy

filter

head

removeDuplicates

/**
 * Create express middleware that groups multiple objects in
 *    req.body[arrayName] by _id field and detects conflicts, where objects
 *    with same value of _id field has different values for same key. If no
 *    valid objects found, it will return 400 HTTP status to the client.
 *    Populates res.locals.fail with errors.
 * @example
 * // original request
 * req.body.someArray =
 * [
 *   { _id: "id1", isDeleted: false, isHidden: true },
 *   { _id: "id1", isDeleted: true },
 *   { _id: "id2", isDeleted: true, someOtherData: "foo" },
 * ]
 * // after middleware removeDuplicates(someArray, ['isDeleted', 'isHidden'])
 * res.locals.fail = [
 *   { _id: "id1", isDeleted: [true, false], error: ... },
 * ]
 * req.body.someArray =
 * [
 *   { _id: "id1", isHidden: true },
 *   { _id: "id2", isDeleted: true },
 * ]
 * @param  {String}   arrayName      Name of array in body
 * @param  {String[]} editableFields Array with valid keys for objects
 * @return {function}                Express middleware
 * @static
 */

/**
       * Group array of object into one object where value is an array of all
       *   _different_ values by same key
       * @example
       * var objects = [
       *   {a: 1, b: 2, c:3},
       *   {a: 1, b: 4, c:3},
       *   {a: 3, b: 5, c:3},
       * ];
       * joinObjects(objects) =>
       * {
       *   a: [1, 3],
       *   b: [2, 4, 5],
       *   c: [3],
       * }
       * @param  {Object[]} Array of objects
       * @return {Object.<String, Array>} Object with arrays of values
       */

// unwrap _id, leave other properties as arrays

respond

isValidTarget

isEditablePostField

flatten

toPairs

pick

isEmpty

update

filterPostUpdateItems

/**
 * Express middleware to filter and merge items in post.body.items, can return
 *    response with status 400 (BAD REQUEST) if no valid entires are present
 *    in req.body.items. Invalid items will be added to res.locals.fail if
 *    there are any.
 *
 * @example
 * // original
 * req.body.items = [
 *   { target: { boardUri: 'b', postId: 123 }, update: { 'attachments.0.isDeleted': true } },
 *   {
 *     target: {
 *       boardUri: 'b',
 *       postId: 123
 *     },
 *     update: {
 *       'attachments': {
 *         '1': { isDeleted': true }
 *       }
 *     }
 *   },
 *   { target: { boardUri: 'b', postId: 456 }, update: { 'isSticky': true, invalidField: 123 } },
 *   { target: { boardUri: 'a', postId: 789, junk: 'some_junk' }, update: { 'isSage': true } },
 * ];
 * // becomes
 * req.body.items = [
 *   { target: { boardUri: 'b', postId: 123 }, update: { 'attachments.0.isDeleted': true, 'attachments.1.isDeleted': true } },
 *   { target: { boardUri: 'b', postId: 456 }, update: { 'isSticky': true } },
 *   { target: { boardUri: 'a', postId: 789 }, update: { 'isSage': true } },
 * ];
 * @param {Request} req
 * @param {Response} res
 * @param {Function} next
 * @static
 */

// merge values into target and updates array

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