mongoose = require('mongoose') User = require('../users/User') textSearch = require('mongoose-text-search') module.exports.NamedPlugin = (schema) -> schema.add({name: String, slug: String}) schema.index({'slug': 1}, {unique: true, sparse: true, name: 'slug index'}) schema.pre('save', (next) -> if schema.uses_coco_versions v = @get('version') return next() unless v.isLatestMajor and v.isLatestMinor newSlug = _.str.slugify(@get('name')) if newSlug isnt @get('slug') @set('slug', newSlug) @checkSlugConflicts(next) else next() ) schema.methods.checkSlugConflicts = (done) -> slug = @get('slug') try id = mongoose.Types.ObjectId.createFromHexString(slug) err = new Error('Bad name.') err.response = {message:'cannot be like a MondoDB id, Mr Hacker.', property:'name'} err.code = 422 done(err) catch e query = { slug:slug } if @get('original') query.original = {'$ne':@original} else if @_id query._id = {'$ne':@_id} @model(@constructor.modelName).count query, (err, count) -> if count err = new Error('Slug conflict.') err.response = {message:'is already in use', property:'name'} err.code = 409 done(err) done() module.exports.PermissionsPlugin = (schema) -> schema.uses_coco_permissions = true PermissionSchema = new mongoose.Schema target: mongoose.Schema.Types.Mixed access: {type: String, 'enum':['read', 'write', 'owner']} , {id: false, _id: false} schema.add(permissions: [PermissionSchema]) schema.pre 'save', (next) -> return next() if @getOwner() err = new Error('Permissions needs an owner.') err.response = {message:'needs an owner.', property:'permissions'} err.code = 409 next(err) schema.methods.hasPermissionsForMethod = (actor, method) -> method = method.toLowerCase() # method is 'get', 'put', 'patch', 'post', or 'delete' # actor is a User object allowed = get: ['read', 'write', 'owner'] put: ['write', 'owner'] patch: ['write', 'owner'] post: ['write', 'owner'] # used to post new versions of something delete: [] # nothing may go! allowed = allowed[method] or [] for permission in @permissions if permission.target is 'public' or actor._id.equals(permission.target) return true if permission.access in allowed return false schema.methods.getOwner = -> for permission in @permissions if permission.access is 'owner' return permission.target schema.methods.getPublicAccess = -> for permission in @permissions if permission.target is 'public' return permission.access schema.methods.getAccessForUserObjectId = (objectId) -> public_access = null for permission in @permissions if permission.target is 'public' public_access = permission.access continue if objectId.equals(permission.target) return permission.access return public_access module.exports.VersionedPlugin = (schema) -> schema.uses_coco_versions = true schema.add( version: major: {type: Number, 'default': 0} minor: {type: Number, 'default': 0} isLatestMajor: {type: Boolean, 'default': true} isLatestMinor: {type: Boolean, 'default': true} original: {type: mongoose.Schema.ObjectId, ref: @modelName} parent: {type: mongoose.Schema.ObjectId, ref: @modelName} creator: {type: mongoose.Schema.ObjectId, ref: 'User'} created: { type: Date, 'default': Date.now } commitMessage: {type: String} ) # Prevent multiple documents with the same version # Also used for looking up latest version, or specific versions. schema.index({'original': 1, 'version.major': -1, 'version.minor': -1}, {unique: true, name: 'version index'}) schema.statics.getLatestMajorVersion = (original, options, done) -> options = options or {} query = @findOne({original:original, 'version.isLatestMajor':true}) query.select(options.select) if options.select query.exec((err, latest) => return done(err) if err return done(null, latest) if latest # handle the case where no version is marked as the latest q = @find({original:original}) q.sort({'version.major':-1, 'version.minor':-1}) q.select(options.select) if options.select q.limit(1) q.exec((err, latest) => return done(err) if err return done(null, null) if latest.length is 0 latest = latest[0] # don't fix missing versions by default. In all likelihood, it's about to change anyway if options.autofix latest.version.isLatestMajor = true latest.version.isLatestMinor = true latestObject = latest.toObject() @update({_id: latest._id}, {version: latestObject.version}) done(null, latest) ) ) schema.statics.getLatestMinorVersion = (original, majorVersion, options, done) -> options = options or {} query = @findOne({original:original, 'version.isLatestMinor':true, 'version.major':majorVersion}) query.select(options.select) if options.select query.exec((err, latest) => return done(err) if err return done(null, latest) if latest q = @find({original:original, 'version.major':majorVersion}) q.sort({'version.minor':-1}) q.select(options.select) if options.select q.limit(1) q.exec((err, latest) -> return done(err) if err return done(null, null) if latest.length is 0 latest = latest[0] if options.autofix latestObject = latest.toObject() latestObject.version.isLatestMajor = true latestObject.version.isLatestMinor = true @update({_id: latest._id}, {version: latestObject.version}) done(null, latest) ) ) schema.methods.makeNewMajorVersion = (newObject, done) -> Model = @model(@constructor.modelName) latest = Model.getLatestMajorVersion(@original, {select:'version'}, (err, latest) => return done(err) if err updatedObject = _.cloneDeep latestObject # unmark the current latest major version in the database latestObject = latest.toObject() latestObject.version.isLatestMajor = false Model.update({_id: latest._id}, {version: latestObject.version, $unset: {index:1, slug: 1} }, {}, (err) => return done(err) if err newObject['version'] = { major: latest.version.major + 1 } newObject.index = true newObject.parent = @_id delete newObject['_id'] delete newObject['created'] done(null, new Model(newObject)) ) ) schema.methods.makeNewMinorVersion = (newObject, majorVersion, done) -> Model = @model(@constructor.modelName) latest = Model.getLatestMinorVersion(@original, majorVersion, {select:'version'}, (err, latest) => return done(err) if err # unmark the current latest major version in the database latestObject = latest.toObject() wasLatestMajor = latestObject.version.isLatestMajor latestObject.version.isLatestMajor = false latestObject.version.isLatestMinor = false Model.update({_id: latest._id}, {version: latestObject.version, $unset: {index:1, slug: 1}}, {}, (err) => return done(err) if err newObject['version'] = major: latest.version.major minor: latest.version.minor + 1 isLatestMajor: wasLatestMajor if wasLatestMajor newObject.index = true else delete newObject.index if newObject.index? delete newObject.slug if newObject.slug? newObject.parent = @_id delete newObject['_id'] delete newObject['created'] done(null, new Model(newObject)) ) ) module.exports.SearchablePlugin = (schema, options) -> # this plugin must be added only after the others (specifically Versioned and Permissions) # have been added, as how it builds the text search index depends on which of those are used. searchable = options.searchable unless searchable throw Error('SearchablePlugin options must include list of searchable properties.') index = {} schema.uses_coco_search = true if schema.uses_coco_versions or schema.uses_coco_permissions index['index'] = 1 schema.add(index: mongoose.Schema.Types.Mixed) index[prop] = 'text' for prop in searchable # should now have something like {'index': 1, name:'text', body:'text'} schema.plugin(textSearch) schema.index(index, { sparse: true, name: 'search index', language_override: 'searchLanguage' }) schema.pre 'save', (next) -> # never index old versions, index plugin handles un-indexing old versions if schema.uses_coco_versions and ((not @version.isLatestMajor) or (not @version.isLatestMinor)) return next() @index = true if schema.uses_coco_permissions access = @getPublicAccess() @index = @getOwner() unless access next()