diff --git a/.idea/dictionaries/VLE2FE.xml b/.idea/dictionaries/VLE2FE.xml
index 62d7fb4..fecab46 100644
--- a/.idea/dictionaries/VLE2FE.xml
+++ b/.idea/dictionaries/VLE2FE.xml
@@ -18,12 +18,14 @@
       colordesignationsuppl
       contentin
       crastin
+      customerold
       definma
       dfopdb
       dosiergeschw
       dpts
       einspritzgeschw
       errback
+      fmodel
       frameguard
       frankland
       functionlink
diff --git a/api/model.yaml b/api/model.yaml
index a025ac9..0f45f2b 100644
--- a/api/model.yaml
+++ b/api/model.yaml
@@ -1,7 +1,7 @@
 /model/groups:
   get:
-    summary: list all available groups
-    description: 'Auth: basic, levels: read, write, dev, admin'
+    summary: list all available groups for user
+    description: 'Auth: basic, levels: predict, read, write, dev, admin'
     tags:
       - /model
     responses:
@@ -137,5 +137,32 @@
         $ref: 'api.yaml#/components/responses/403'
       404:
         $ref: 'api.yaml#/components/responses/404'
+      500:
+        $ref: 'api.yaml#/components/responses/500'
+
+/model/authorized/{url}:
+  parameters:
+    - name: url
+      in: path
+      required: true
+      description: URLComponent encoded URL of the requested model
+      schema:
+        type: string
+      example: https%3A%2F%2Fdefinma-model-test.apps.de1.bosch-iot-cloud.com%2Fpredict%2FH2O_A3WG6
+  get:
+    summary: check user permissions for model URL
+    description: 'Auth: basic, levels: predict, read, write, dev, admin. dev and admin users can access all models,
+    other users need the model specified by an admin in user.models'
+    tags:
+      - /model
+    security:
+      - BasicAuth: []
+    responses:
+      200:
+        $ref: 'api.yaml#/components/responses/Ok'
+      401:
+        $ref: 'api.yaml#/components/responses/401'
+      403:
+        $ref: 'api.yaml#/components/responses/403'
       500:
         $ref: 'api.yaml#/components/responses/500'
\ No newline at end of file
diff --git a/api/schemas.yaml b/api/schemas.yaml
index 75fa2f9..a61a819 100644
--- a/api/schemas.yaml
+++ b/api/schemas.yaml
@@ -213,8 +213,16 @@ User:
       items:
         type: string
         example: Alpha II
+    models:
+      type: array
+      description: _ids of allowed models
+      items:
+        type: string
+        example: 5ea0450ed851c30a90e70894
 
 ModelItem:
+  allOf:
+    - $ref: 'api.yaml#/components/schemas/_Id'
   properties:
     name:
       type: string
diff --git a/api/user.yaml b/api/user.yaml
index 8b1448b..fba0192 100644
--- a/api/user.yaml
+++ b/api/user.yaml
@@ -14,7 +14,13 @@
             schema:
               type: array
               items:
-                $ref: 'api.yaml#/components/schemas/User'
+                allOf:
+                  - $ref: 'api.yaml#/components/schemas/User'
+                properties:
+                  status:
+                    type: string
+                    description: can be deleted/new
+                    example: new
       401:
         $ref: 'api.yaml#/components/responses/401'
       403:
@@ -24,7 +30,7 @@
 /user:
   get:
     summary: list own user details
-    description: 'Auth: basic, levels: read, write, dev, admin'
+    description: 'Auth: basic, levels: predict, read, write, dev, admin'
     tags:
       - /user
     security:
@@ -44,7 +50,7 @@
         $ref: 'api.yaml#/components/responses/500'
   put:
     summary: change user details
-    description: 'Auth: basic, levels: read, write, dev, admin'
+    description: 'Auth: basic, levels: predict, read, write, dev, admin'
     tags:
       - /user
     security:
@@ -88,7 +94,7 @@
         $ref: 'api.yaml#/components/responses/500'
   delete:
     summary: delete user
-    description: 'Auth: basic, levels: read, write, dev, admin'
+    description: 'Auth: basic, levels: predict, read, write, dev, admin'
     tags:
       - /user
     security:
@@ -173,6 +179,25 @@
         $ref: 'api.yaml#/components/responses/404'
       500:
         $ref: 'api.yaml#/components/responses/500'
+/user/restore/{name}:
+  put:
+    summary: restore deleted user
+    description: 'Auth: basic, levels: admin'
+    tags:
+      - /user
+    security:
+      - BasicAuth: []
+    responses:
+      200:
+        $ref: 'api.yaml#/components/responses/Ok'
+      401:
+        $ref: 'api.yaml#/components/responses/401'
+      403:
+        $ref: 'api.yaml#/components/responses/403'
+      404:
+        $ref: 'api.yaml#/components/responses/404'
+      500:
+        $ref: 'api.yaml#/components/responses/500'
 /user/key:
   get:
     summary: get API key for the user
diff --git a/data_import/spectrum-fix.js b/data_import/spectrum-fix.js
index 2cf38b6..84c21af 100644
--- a/data_import/spectrum-fix.js
+++ b/data_import/spectrum-fix.js
@@ -1,8 +1,8 @@
 const axios = require('axios');
 
 
-const host = 'http://localhost:3000';
-// const host = 'https://definma-api.apps.de1.bosch-iot-cloud.com';
+// const host = 'http://localhost:3000';
+const host = 'https://definma-api.apps.de1.bosch-iot-cloud.com';
 
 let errors = [];
 
@@ -22,7 +22,7 @@ async function fix() {
   });
   console.log(res.data);
   // for all samples
-  for (let sampleIndex in res.data) {
+  for (let sampleIndex = 2000; sampleIndex < res.data.length; sampleIndex++) {
     console.log(`SAMPLE ${sampleIndex}/${res.data.length}`);
     const measurements = await axios({  // get all measurements
       method: 'get',
@@ -42,7 +42,7 @@ async function fix() {
       for (let measurementIndex in measurements.data) {
         console.log(`${measurementIndex}/${measurements.data.length}`);
         const measurement = measurements.data[measurementIndex];
-        if (measurement.values.hasOwnProperty('dpt')) {  // is spectrum
+        if (measurement.values.hasOwnProperty('dpt') && measurement.values.dpt) {  // is spectrum
           await axios({  // get all measurements
             method: 'put',
             url: host + '/measurement/' + measurement._id,
diff --git a/src/globals.ts b/src/globals.ts
index d1f3d85..037f25f 100644
--- a/src/globals.ts
+++ b/src/globals.ts
@@ -3,6 +3,7 @@
 
 const globals = {
   levels: {  // access levels, sorted asc by rights
+    predict: 'predict',
     read: 'read',
     write: 'write',
     dev: 'dev',
diff --git a/src/helpers/authorize.ts b/src/helpers/authorize.ts
index bfd6bd3..49b9278 100644
--- a/src/helpers/authorize.ts
+++ b/src/helpers/authorize.ts
@@ -10,7 +10,7 @@ import globals from '../globals';
 
 module.exports = async (req, res, next) => {
   let givenMethod = '';  // authorization method given by client, basic taken preferred
-  let user = {name: '', level: '', id: '', location: ''};               // user object
+  let user = {name: '', level: '', id: '', location: '', models: []};               // user object
 
   // test authentications
   const userBasic = await basic(req, next);
@@ -48,7 +48,8 @@ module.exports = async (req, res, next) => {
     username: user.name,
     level: user.level,
     id: user.id,
-    location: user.location
+    location: user.location,
+    models: user.models
   };
 
   next();
@@ -59,7 +60,7 @@ function basic (req, next): any {  // checks basic auth and returns changed user
   return new Promise(resolve => {
     const auth = basicAuth(req);
     if (auth !== undefined) {  // basic auth available
-      UserModel.find({name: auth.name}).lean().exec( (err, data: any) => {  // find user
+      UserModel.find({name: auth.name, status: globals.status.new}).lean().exec( (err, data: any) => {  // find user
         if (err) return next(err);
         if (data.length === 1) {  // one user found
           bcrypt.compare(auth.pass, data[0].pass, (err, res) => {  // check password
@@ -69,7 +70,8 @@ function basic (req, next): any {  // checks basic auth and returns changed user
                 level: Object.entries(globals.levels).find(e => e[1] === data[0].level)[0],
                 name: data[0].name,
                 id: data[0]._id.toString(),
-                location: data[0].location
+                location: data[0].location,
+                models: data[0].models
               });
             }
             else {
@@ -91,14 +93,15 @@ function basic (req, next): any {  // checks basic auth and returns changed user
 function key (req, next): any {  // checks API key and returns changed user object
   return new Promise(resolve => {
     if (req.query.key !== undefined) {  // key available
-      UserModel.find({key: req.query.key}).lean().exec( (err, data: any) => {  // find user
+      UserModel.find({key: req.query.key, status: globals.status.new}).lean().exec( (err, data: any) => {  // find user
         if (err) return next(err);
         if (data.length === 1) {  // one user found
           resolve({
             level: Object.entries(globals.levels).find(e => e[1] === data[0].level)[0],
             name: data[0].name,
             id: data[0]._id.toString(),
-            location: data[0].location
+            location: data[0].location,
+            models: data[0].models
           });
           if (!/^\/api/m.test(req.url)){
             delete req.query.key;  // delete query parameter to avoid interference with later validation
diff --git a/src/models/model.ts b/src/models/model.ts
index 92d555d..393b955 100644
--- a/src/models/model.ts
+++ b/src/models/model.ts
@@ -7,7 +7,7 @@ const ModelSchema = new mongoose.Schema({
     name: String,
     url: String,
     label: String
-  } ,{ _id : false })]
+  } ,{ _id : true })]
 });
 
 // changelog query helper
diff --git a/src/models/user.ts b/src/models/user.ts
index e1c8099..b83a1e2 100644
--- a/src/models/user.ts
+++ b/src/models/user.ts
@@ -1,5 +1,6 @@
 import mongoose from 'mongoose';
 import db from '../db';
+import ModelModel from './model';
 
 const UserSchema = new mongoose.Schema({
   name: {type: String, index: {unique: true}},
@@ -8,7 +9,9 @@ const UserSchema = new mongoose.Schema({
   key: String,
   level: String,
   location: String,
-  devices: [String]
+  devices: [String],
+  models: [{type: mongoose.Schema.Types.ObjectId, ref: ModelModel}],
+  status: String
 });
 
 // changelog query helper
diff --git a/src/routes/measurement.spec.ts b/src/routes/measurement.spec.ts
index 8c5e1ea..ec8885f 100644
--- a/src/routes/measurement.spec.ts
+++ b/src/routes/measurement.spec.ts
@@ -17,7 +17,7 @@ describe('/measurement', () => {
         url: '/measurement/800000000000000000000001',
         auth: {basic: 'admin'},
         httpStatus: 200,
-        res: {_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I'}, measurement_template: '300000000000000000000001'}
+        res: {_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I', filename: '1_0.DPT'}, measurement_template: '300000000000000000000001'}
       });
     });
     it('returns the measurement for an API key', done => {
@@ -26,7 +26,7 @@ describe('/measurement', () => {
         url: '/measurement/800000000000000000000001',
         auth: {key: 'admin'},
         httpStatus: 200,
-        res: {_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I'}, measurement_template: '300000000000000000000001'}
+        res: {_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I', filename: '1_0.DPT'}, measurement_template: '300000000000000000000001'}
       });
     });
     it('filters out spectral data for a write user', done => {
@@ -35,7 +35,7 @@ describe('/measurement', () => {
         url: '/measurement/800000000000000000000001',
         auth: {basic: 'janedoe'},
         httpStatus: 200,
-        res: {_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {device: 'Alpha I'}, measurement_template: '300000000000000000000001'}
+        res: {_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {device: 'Alpha I', filename: '1_0.DPT'}, measurement_template: '300000000000000000000001'}
       });
     });
     it('returns deleted measurements for a dev/admin user', done => {
@@ -88,7 +88,7 @@ describe('/measurement', () => {
         auth: {basic: 'admin'},
         httpStatus: 200,
         req: {},
-        res: {_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I'}, measurement_template: '300000000000000000000001'}
+        res: {_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I', filename: '1_0.DPT'}, measurement_template: '300000000000000000000001'}
       });
     });
     it('keeps unchanged values', done => {
@@ -97,10 +97,10 @@ describe('/measurement', () => {
         url: '/measurement/800000000000000000000001',
         auth: {basic: 'admin'},
         httpStatus: 200,
-        req: {values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I'}}
+        req: {values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I', filename: '1_0.DPT'}}
       }).end((err, res) => {
         if (err) return done(err);
-        should(res.body).be.eql({_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I'}, measurement_template: '300000000000000000000001'});
+        should(res.body).be.eql({_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[3997.12558,98.00555],[3995.08519,98.03253],[3993.04480,98.02657]], device: 'Alpha I', filename: '1_0.DPT'}, measurement_template: '300000000000000000000001'});
         MeasurementModel.findById('800000000000000000000001').lean().exec((err, data: any) => {
           if (err) return done(err);
           should(data).have.property('status','validated');
@@ -134,7 +134,7 @@ describe('/measurement', () => {
         req: {values: {dpt: [[1,2],[3,4],[5,6]]}}
       }).end((err, res) => {
         if (err) return done(err);
-        should(res.body).be.eql({_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[1,2],[3,4],[5,6]], device: 'Alpha I'}, measurement_template: '300000000000000000000001'});
+        should(res.body).be.eql({_id: '800000000000000000000001', sample_id: '400000000000000000000001', values: {dpt: [[1,2],[3,4],[5,6]], device: 'Alpha I', filename: '1_0.DPT'}, measurement_template: '300000000000000000000001'});
         MeasurementModel.findById('800000000000000000000001').lean().exec((err, data: any) => {
           should(data).have.only.keys('_id', 'sample_id', 'values', 'measurement_template', 'status', '__v');
           should(data.sample_id.toString()).be.eql('400000000000000000000001');
@@ -152,14 +152,15 @@ describe('/measurement', () => {
         url: '/measurement/800000000000000000000001',
         auth: {basic: 'janedoe'},
         httpStatus: 200,
-        req: {values: {dpt: [[1,2],[3,4],[5,6]], device: 'Alpha I'}},
+        req: {values: {dpt: [[1,2],[3,4],[5,6]], device: 'Alpha I', filename: '1_0.DPT'}},
         log: {
           collection: 'measurements',
           dataAdd: {
             measurement_template: '300000000000000000000001',
             sample_id: '400000000000000000000001',
             status: 'new'
-          }
+          },
+          dataIgn: ['values']
         }
       });
     });
diff --git a/src/routes/model.spec.ts b/src/routes/model.spec.ts
index aefe226..dc75f5e 100644
--- a/src/routes/model.spec.ts
+++ b/src/routes/model.spec.ts
@@ -2,7 +2,6 @@ import should from 'should/as-function';
 import ModelFileModel from '../models/model_file';
 import TestHelper from "../test/helper";
 import ModelModel from '../models/model';
-import _ from 'lodash';
 
 
 describe('/model', () => {
@@ -13,11 +12,11 @@ describe('/model', () => {
   after(done => TestHelper.after(done));
 
   describe('GET /model/groups', () => {
-    it('returns all groups', done => {
+    it('returns all groups for an admin user', done => {
       TestHelper.request(server, done, {
         method: 'get',
         url: '/model/groups',
-        auth: {basic: 'janedoe'},
+        auth: {basic: 'admin'},
         httpStatus: 200,
       }).end((err, res) => {
         if (err) return done (err);
@@ -27,7 +26,8 @@ describe('/model', () => {
           should(group).have.only.keys('group', 'models');
           should(group).have.property('group').be.type('string');
           should(group.models).matchEach(model => {
-            should(model).have.only.keys('name', 'url', 'label');
+            should(model).have.only.keys('_id', 'name', 'url', 'label');
+            should(model).have.property('_id').be.type('string');
             should(model).have.property('name').be.type('string');
             should(model).have.property('url').be.type('string');
             should(model).have.property('label').be.type('string');
@@ -36,6 +36,23 @@ describe('/model', () => {
         done();
       });
     });
+    it('returns all allowed groups for a predict user', done => {
+      TestHelper.request(server, done, {
+        method: 'get',
+        url: '/model/groups',
+        auth: {basic: 'customer'},
+        httpStatus: 200,
+      }).end((err, res) => {
+        if (err) return done (err);
+        should(res.body).have.lengthOf(1);
+        should(res.body).matchEach(group => {
+          should(group).have.only.keys('group', 'models');
+          should(group).have.property('group').be.type('string');
+          should(group).have.property('models', [{_id: '120000000000000000000001', name: 'Model A', url: 'http://model-a.com', label: 'ml/g'}]);
+        });
+        done();
+      });
+    });
     it('rejects an API key', done => {
       TestHelper.request(server, done, {
         method: 'get',
@@ -85,7 +102,12 @@ describe('/model', () => {
         should(res.body).be.eql({status: 'OK'});
         ModelModel.findOne({group: 'classification'}).lean().exec((err, res) => {
           if (err) return done(err);
-          should(_.omit(res, ['_id', '__v'])).be.eql({group: 'classification', models: [{name: 'Model 0.1', url: 'http://model-0-1.com', label: 'group'}]});
+          should(res).have.only.keys('_id', 'group', 'models', '__v');
+          should(res).have.property('group', 'classification');
+          should(res.models[0]).have.only.keys('_id', 'name', 'url', 'label');
+          should(res.models[0]).have.property('name', 'Model 0.1');
+          should(res.models[0]).have.property('url', 'http://model-0-1.com');
+          should(res.models[0]).have.property('label', 'group');
           done();
         });
       });
@@ -208,7 +230,12 @@ describe('/model', () => {
         should(res.body).be.eql({status: 'OK'});
         ModelModel.findOne({group: 'VN'}).lean().exec((err, res) => {
           if (err) return done(err);
-          should(_.omit(res, ['_id'])).be.eql({group: 'VN', models: [{name: 'Model B', url: 'http://model-b.com', label: 'ml/g'}]});
+          should(res).have.only.keys('_id', 'group', 'models');
+          should(res).have.property('group', 'VN');
+          should(res.models[0]).have.only.keys('_id', 'name', 'url', 'label');
+          should(res.models[0]).have.property('name', 'Model B');
+          should(res.models[0]).have.property('url', 'http://model-b.com');
+          should(res.models[0]).have.property('label', 'ml/g');
           done();
         });
       });
@@ -454,4 +481,48 @@ describe('/model', () => {
       });
     });
   });
+
+  describe('GET /model/authorized/{url}', () => {
+    it('returns OK for every model for admins', done => {
+      TestHelper.request(server, done, {
+        method: 'get',
+        url: '/model/authorized/xx',
+        auth: {basic: 'admin'},
+        httpStatus: 200,
+        res: {status: 'OK'}
+      });
+    });
+    it('returns OK for a specified model for a predict user', done => {
+      TestHelper.request(server, done, {
+        method: 'get',
+        url: '/model/authorized/http%3A%2F%2Fmodel-a.com',
+        auth: {basic: 'customer'},
+        httpStatus: 200,
+        res: {status: 'OK'}
+      });
+    });
+    it('rejects a model not specified for a predict user', done => {
+      TestHelper.request(server, done, {
+        method: 'get',
+        url: '/model/authorized/http%3A%2F%2Fmodel-b.com',
+        auth: {basic: 'customer'},
+        httpStatus: 403
+      });
+    });
+    it('rejects an API key', done => {
+      TestHelper.request(server, done, {
+        method: 'get',
+        url: '/model/authorized/xx',
+        auth: {key: 'admin'},
+        httpStatus: 401
+      });
+    });
+    it('rejects an unauthorized request', done => {
+      TestHelper.request(server, done, {
+        method: 'get',
+        url: '/model/authorized/http%3A%2F%2Fmodel-b.com',
+        httpStatus: 401
+      });
+    });
+  });
 });
\ No newline at end of file
diff --git a/src/routes/model.ts b/src/routes/model.ts
index 634f637..196d877 100644
--- a/src/routes/model.ts
+++ b/src/routes/model.ts
@@ -7,13 +7,21 @@ import _ from 'lodash';
 import ModelValidate from './validate/model';
 import res400 from './validate/res400';
 import db from '../db';
+import mongoose from "mongoose";
 
 const router = express.Router();
 
 router.get('/model/groups', (req, res, next) => {
-  if (!req.auth(res, ['read', 'write', 'dev', 'admin'], 'basic')) return;
+  if (!req.auth(res, ['predict', 'read', 'write', 'dev', 'admin'], 'basic')) return;
 
-  ModelModel.find().lean().exec((err, data) => {
+  let conditions: any = [{}, {}];
+  if (['dev', 'admin'].indexOf(req.authDetails.level) < 0) {  // if not dev or admin, user has to possess model rights
+    conditions = [
+      {'models._id': {$in: req.authDetails.models.map(e => mongoose.Types.ObjectId(e))}},
+      {group: true, 'models.$': true}
+    ]
+  }
+  ModelModel.find(...conditions).lean().exec((err, data) => {
     if (err) return next(err);
 
     // validate all and filter null values from validation errors
@@ -103,7 +111,7 @@ router.get('/model/file/:name', (req, res, next) => {
   });
 });
 
-router.post('/model/file/:name', bodyParser.raw({limit: '5mb'}), (req, res, next) => {
+router.post('/model/file/:name', bodyParser.raw({limit: '50mb'}), (req, res, next) => {
   if (!req.auth(res, ['dev', 'admin'], 'all')) return;
 
   ModelFileModel.replaceOne({name: req.params.name}, {name: req.params.name, data: req.body}).setOptions({upsert: true})
@@ -127,4 +135,26 @@ router.delete('/model/file/:name', (req, res, next) => {
   });
 });
 
+router.get('/model/authorized/:url', (req, res, next) => {
+  if (!req.auth(res, ['predict', 'read', 'write', 'dev', 'admin'], 'basic')) return;
+
+  if (['dev', 'admin'].indexOf(req.authDetails.level) < 0) {  // if not dev or admin, user has to possess model rights
+    ModelModel.findOne({models: { $elemMatch: {
+      url: decodeURIComponent(req.params.url),
+      '_id': {$in: req.authDetails.models.map(e => mongoose.Types.ObjectId(e))}
+    }}}).lean().exec((err, data) => {
+      if (err) return next(err);
+      if (data) {
+        res.json({status: 'OK'});
+      }
+      else {
+        res.status(403).json({status: 'Forbidden'});
+      }
+    });
+  }
+  else {
+    res.json({status: 'OK'});
+  }
+});
+
 module.exports = router;
\ No newline at end of file
diff --git a/src/routes/root.spec.ts b/src/routes/root.spec.ts
index c195a3d..a397423 100644
--- a/src/routes/root.spec.ts
+++ b/src/routes/root.spec.ts
@@ -170,6 +170,14 @@ describe('/', () => {
         httpStatus: 401
       });
     });
+    it('does not work with a deleted user', done => {
+      TestHelper.request(server, done, {
+        method: 'get',
+        url: '/authorized',
+        auth: {basic: {name: 'customerold', pass: 'Xyz890*)'}},
+        httpStatus: 401
+      });
+    });
   });
 
   describe('An authorized request', () => {
diff --git a/src/routes/sample.spec.ts b/src/routes/sample.spec.ts
index bfff195..16107c9 100644
--- a/src/routes/sample.spec.ts
+++ b/src/routes/sample.spec.ts
@@ -632,6 +632,14 @@ describe('/sample', () => {
         res: {status: 'Invalid body format', details: '"status[0]" must be one of [validated, new]'}
       });
     });
+    it('rejects requests from a predict user', done => {
+      TestHelper.request(server, done, {
+        method: 'get',
+        url: '/samples',
+        auth: {basic: 'customer'},
+        httpStatus: 403
+      });
+    });
     it('rejects unauthorized requests', done => {
       TestHelper.request(server, done, {
         method: 'get',
@@ -1789,7 +1797,7 @@ describe('/sample', () => {
         should(res.body).have.property('user_id', '000000000000000000000002');
         should(res.body).have.property('status', 'new');
         should(res.body).have.property('added').be.type('string');
-        should(new Date().getTime() - new Date(res.body.added).getTime()).be.below(1000);
+        should(new Date().getTime() - new Date(res.body.added).getTime()).be.below(2000);
         done();
       });
     });
diff --git a/src/routes/sample.ts b/src/routes/sample.ts
index 9262dec..4726bd3 100644
--- a/src/routes/sample.ts
+++ b/src/routes/sample.ts
@@ -499,9 +499,10 @@ router.put('/sample/' + IdValidate.parameter(), (req, res, next) => {
     }
     // do not execute check if condition is and was empty
     if (sample.hasOwnProperty('condition') && !(_.isEmpty(sample.condition) && _.isEmpty(sampleData.condition))) {
-      if (!await conditionCheck(sample.condition, 'change', res, next,
+      sample.condition = await conditionCheck(sample.condition, 'change', res, next,
         !(sampleData.condition.condition_template &&
-        sampleData.condition.condition_template.toString() === sample.condition.condition_template))) return;
+        sampleData.condition.condition_template.toString() === sample.condition.condition_template));
+      if (!sample.condition) return;
     }
 
     if (sample.hasOwnProperty('notes')) {
@@ -627,7 +628,8 @@ router.post('/sample/new', async (req, res, next) => {
   }
 
   if (!_.isEmpty(sample.condition)) {  // do not execute check if condition is empty
-    if (!await conditionCheck(sample.condition, 'change', res, next)) return;
+    sample.condition = await conditionCheck(sample.condition, 'change', res, next);
+    if (!sample.condition) return;
   }
 
   sample.status = globals.status.new;  // set status to new
@@ -646,6 +648,7 @@ router.post('/sample/new', async (req, res, next) => {
     sample.note_id = data._id;
     sample.user_id = req.authDetails.id;
 
+    console.log(sample);
     new SampleModel(sample).save((err, data) => {
       if (err) return next(err);
       db.log(req, 'samples', {_id: data._id}, data.toObject());
@@ -744,11 +747,11 @@ async function conditionCheck (condition, param, res, next, checkVersion = true)
   }
 
   // validate parameters
-  const {error, value: ignore} =
+  const {error, value} =
     ParametersValidate.input(_.omit(condition, 'condition_template'), conditionData.parameters, param);
-  console.log(error);
   if (error) {res400(error, res); return false;}
-  return conditionData;
+  value.condition_template = condition.condition_template;
+  return value;
 }
 
 function sampleRefCheck (sample, res, next) {  // validate sample_references, resolves false for invalid reference
diff --git a/src/routes/user.spec.ts b/src/routes/user.spec.ts
index 4a501e3..c63806b 100644
--- a/src/routes/user.spec.ts
+++ b/src/routes/user.spec.ts
@@ -23,7 +23,7 @@ describe('/user', () => {
         const json = require('../test/db.json');
         should(res.body).have.lengthOf(json.collections.users.length);
         should(res.body).matchEach(user => {
-          should(user).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices');
+          should(user).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices', 'models', 'status');
           should(user).have.property('_id').be.type('string');
           should(user).have.property('email').be.type('string');
           should(user).have.property('name').be.type('string');
@@ -32,6 +32,10 @@ describe('/user', () => {
           should(user.devices).matchEach(device => {
             should(device).be.type('string');
           });
+          should(user.models).matchEach(model => {
+            should(model).be.type('string');
+          });
+          should(user).have.property('status').be.type('string');
         });
         done();
       });
@@ -70,13 +74,14 @@ describe('/user', () => {
         httpStatus: 200
       }).end((err, res) => {
         if (err) return done (err);
-        should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices');
+        should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices', 'models');
         should(res.body).have.property('_id').be.type('string');
         should(res.body).have.property('email', 'jane.doe@bosch.com');
         should(res.body).have.property('name', 'janedoe');
         should(res.body).have.property('level', 'write');
         should(res.body).have.property('location', 'Rng');
         should(res.body).have.property('devices', ['Alpha I']);
+        should(res.body).have.property('models', []);
         done();
       });
     });
@@ -88,13 +93,14 @@ describe('/user', () => {
         httpStatus: 200
       }).end((err, res) => {
           if (err) return done (err);
-          should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices');
+          should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices', 'models');
           should(res.body).have.property('_id').be.type('string');
           should(res.body).have.property('email', 'jane.doe@bosch.com');
           should(res.body).have.property('name', 'janedoe');
           should(res.body).have.property('level', 'write');
           should(res.body).have.property('location', 'Rng');
           should(res.body).have.property('devices', ['Alpha I']);
+        should(res.body).have.property('models', []);
           done();
         });
     });
@@ -149,13 +155,14 @@ describe('/user', () => {
         req: {}
       }).end((err, res) => {
           if (err) return done (err);
-          should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices');
+          should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices', 'models');
           should(res.body).have.property('_id').be.type('string');
           should(res.body).have.property('email', 'jane.doe@bosch.com');
           should(res.body).have.property('name', 'janedoe');
           should(res.body).have.property('level', 'write');
           should(res.body).have.property('location', 'Rng');
           should(res.body).have.property('devices', ['Alpha I']);
+          should(res.body).have.property('models', []);
           done();
         });
     });
@@ -168,13 +175,14 @@ describe('/user', () => {
         req: {}
       }).end((err, res) => {
           if (err) return done (err);
-          should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices');
+          should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices', 'models');
           should(res.body).have.property('_id').be.type('string');
           should(res.body).have.property('email', 'jane.doe@bosch.com');
           should(res.body).have.property('name', 'janedoe');
           should(res.body).have.property('level', 'write');
           should(res.body).have.property('location', 'Rng');
           should(res.body).have.property('devices', ['Alpha I']);
+          should(res.body).have.property('models', []);
           done();
         });
     });
@@ -184,13 +192,13 @@ describe('/user', () => {
         url: '/user',
         auth: {basic: 'admin'},
         httpStatus: 200,
-        req: {name: 'adminnew', email: 'adminnew@bosch.com', pass: 'Abc123##', location: 'Abt', devices: ['test']}
+        req: {name: 'adminnew', email: 'adminnew@bosch.com', pass: 'Abc123##', location: 'Abt', devices: ['test'], models: ['120000000000000000000002']}
       }).end(err => {
           if (err) return done (err);
           UserModel.find({name: 'adminnew'}).lean().exec( (err, data) => {
             if (err) return done(err);
             should(data).have.lengthOf(1);
-            should(data[0]).have.only.keys('_id', 'name', 'pass', 'email', 'level', 'location', 'devices', 'key', '__v');
+            should(data[0]).have.only.keys('_id', 'name', 'pass', 'email', 'level', 'location', 'devices', 'models', 'key', 'status', '__v');
             should(data[0]).have.property('_id');
             should(data[0]).have.property('name', 'adminnew');
             should(data[0]).have.property('email', 'adminnew@bosch.com');
@@ -198,6 +206,8 @@ describe('/user', () => {
             should(data[0]).have.property('level', 'admin');
             should(data[0]).have.property('location', 'Abt');
             should(data[0]).have.property('devices', ['test']);
+            should(data[0].models[0].toString()).be.eql('120000000000000000000002');
+            should(data[0]).have.property('status', 'new');
             done();
           });
         });
@@ -250,6 +260,41 @@ describe('/user', () => {
           });
         });
     });
+    it('lets the admin change accessible models', done => {
+      TestHelper.request(server, done, {
+        method: 'put',
+        url: '/user/janedoe',
+        auth: {basic: 'admin'},
+        httpStatus: 200,
+        req: {models: ['120000000000000000000001']}
+      }).end(err => {
+          if (err) return done (err);
+          UserModel.find({name: 'janedoe'}).lean().exec( (err, data) => {
+            if (err) return done(err);
+            should(data).have.lengthOf(1);
+            should(data[0].models[0].toString()).be.eql('120000000000000000000001');
+            done();
+          });
+        });
+    });
+    it('does not change the models', done => {
+      TestHelper.request(server, done, {
+        method: 'put',
+        url: '/user',
+        auth: {basic: 'janedoe'},
+        httpStatus: 400, default: false,
+        req: {models: ['120000000000000000000001']}
+      }).end((err, res) => {
+          if (err) return done (err);
+          should(res.body).be.eql({status: 'Invalid body format', details: '"models" is not allowed'});
+          UserModel.find({name: 'janedoe'}).lean().exec( (err, data) => {
+            if (err) return done(err);
+            should(data).have.lengthOf(1);
+            should(data[0]).have.property('models', []);
+            done();
+          });
+        });
+    });
     it('rejects a username already in use', done => {
       TestHelper.request(server, done, {
         method: 'put',
@@ -273,7 +318,7 @@ describe('/user', () => {
         url: '/user/new',
         auth: {basic: 'admin'},
         httpStatus: 400, default: false,
-        req: {email: 'j.doe@bosch.com', name: 'passreset', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II']},
+        req: {email: 'j.doe@bosch.com', name: 'passreset', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II'], models: []},
         res: {status: 'Username already taken'}
       });
     });
@@ -354,7 +399,7 @@ describe('/user', () => {
   });
 
   describe('DELETE /user/{name}', () => {
-    it('deletes own user details', done => {
+    it('sets own user details to deleted', done => {
       TestHelper.request(server, done, {
         method: 'delete',
         url: '/user',
@@ -365,12 +410,13 @@ describe('/user', () => {
         should(res.body).be.eql({status: 'OK'});
         UserModel.find({name: 'janedoe'}).lean().exec( (err, data) => {
           if (err) return done(err);
-          should(data).have.lengthOf(0);
+          should(data).have.lengthOf(1);
+          should(data[0]).have.property('status', 'deleted');
           done();
         });
       });
     });
-    it('deletes other user details for admin', done => {
+    it('sets other user details to deleted for admin', done => {
       TestHelper.request(server, done, {
         method: 'delete',
         url: '/user/janedoe',
@@ -381,7 +427,8 @@ describe('/user', () => {
         should(res.body).be.eql({status: 'OK'});
         UserModel.find({name: 'janedoe'}).lean().exec( (err, data) => {
           if (err) return done(err);
-          should(data).have.lengthOf(0);
+          should(data).have.lengthOf(1);
+          should(data[0]).have.property('status', 'deleted');
           done();
         });
       });
@@ -393,7 +440,8 @@ describe('/user', () => {
         auth: {basic: 'janedoe'},
         httpStatus: 200,
         log: {
-          collection: 'users'
+          collection: 'users',
+          dataAdd: {status: 'deleted'}
         }
       });
     });
@@ -438,6 +486,61 @@ describe('/user', () => {
     });
   });
 
+  describe('PUT /user/restore/{name}', () => {
+    it('sets the status', done => {
+      TestHelper.request(server, done, {
+        method: 'put',
+        url: '/user/restore/customerold',
+        auth: {basic: 'admin'},
+        httpStatus: 200,
+        req: {}
+      }).end((err, res) => {
+        if (err) return done (err);
+        should(res.body).be.eql({status: 'OK'});
+        UserModel.findOne({name: 'customerold'}).lean().exec((err, data: any) => {
+          if (err) return done(err);
+          should(data).have.property('status','new');
+          done();
+        });
+      });
+    });
+    it('rejects an API key', done => {
+      TestHelper.request(server, done, {
+        method: 'put',
+        url: '/user/restore/customerold',
+        auth: {key: 'admin'},
+        httpStatus: 401,
+        req: {}
+      });
+    });
+    it('rejects a write user', done => {
+      TestHelper.request(server, done, {
+        method: 'put',
+        url: '/user/restore/customerold',
+        auth: {basic: 'janedoe'},
+        httpStatus: 403,
+        req: {}
+      });
+    });
+    it('returns 404 for an unknown sample', done => {
+      TestHelper.request(server, done, {
+        method: 'put',
+        url: '/user/restore/xxx',
+        auth: {basic: 'admin'},
+        httpStatus: 404,
+        req: {}
+      });
+    });
+    it('rejects unauthorized requests', done => {
+      TestHelper.request(server, done, {
+        method: 'put',
+        url: '/user/restore/customerold',
+        httpStatus: 401,
+        req: {}
+      });
+    });
+  });
+
   describe('GET /user/key', () => {
     it('returns the right API key', done => {
       TestHelper.request(server, done, {
@@ -472,16 +575,17 @@ describe('/user', () => {
         url: '/user/new',
         auth: {basic: 'admin'},
         httpStatus: 200,
-        req: {email: 'john.doe@bosch.com', name: 'johndoe', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II']}
+        req: {email: 'john.doe@bosch.com', name: 'johndoe', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II'], models: ['120000000000000000000003']}
       }).end((err, res) => {
           if (err) return done (err);
-          should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices');
+          should(res.body).have.only.keys('_id', 'email', 'name', 'level', 'location', 'devices', 'models');
           should(res.body).have.property('_id').be.type('string');
           should(res.body).have.property('email', 'john.doe@bosch.com');
           should(res.body).have.property('name', 'johndoe');
           should(res.body).have.property('level', 'read');
           should(res.body).have.property('location', 'Rng');
           should(res.body).have.property('devices', ['Alpha II']);
+          should(res.body).have.property('models', ['120000000000000000000003']);
           done();
         });
     });
@@ -491,13 +595,13 @@ describe('/user', () => {
         url: '/user/new',
         auth: {basic: 'admin'},
         httpStatus: 200,
-        req: {email: 'john.doe@bosch.com', name: 'johndoe', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II']}
+        req: {email: 'john.doe@bosch.com', name: 'johndoe', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II'], models: ['120000000000000000000002']}
       }).end(err => {
           if (err) return done (err);
           UserModel.find({name: 'johndoe'}).lean().exec( (err, data) => {
             if (err) return done(err);
             should(data).have.lengthOf(1);
-            should(data[0]).have.only.keys('_id', 'name', 'pass', 'email', 'level', 'location', 'devices', 'key', '__v');
+            should(data[0]).have.only.keys('_id', 'name', 'pass', 'email', 'level', 'location', 'devices', 'models', 'key', 'status', '__v');
             should(data[0]).have.property('_id');
             should(data[0]).have.property('name', 'johndoe');
             should(data[0]).have.property('email', 'john.doe@bosch.com');
@@ -505,6 +609,8 @@ describe('/user', () => {
             should(data[0]).have.property('level', 'read');
             should(data[0]).have.property('location', 'Rng');
             should(data[0]).have.property('devices', ['Alpha II']);
+            should(data[0].models.toString()).be.eql('120000000000000000000002');
+            should(data[0]).have.property('status', 'new');
             done();
           });
         });
@@ -515,10 +621,11 @@ describe('/user', () => {
         url: '/user/new',
         auth: {basic: 'admin'},
         httpStatus: 200,
-        req: {email: 'john.doe@bosch.com', name: 'johndoe', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II']},
+        req: {email: 'john.doe@bosch.com', name: 'johndoe', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II'], models: ['120000000000000000000002']},
         log: {
           collection: 'users',
-          dataIgn: ['pass', 'key']
+          dataIgn: ['pass', 'key'],
+          dataAdd: { status: 'new'}
         }
       });
     });
@@ -528,7 +635,7 @@ describe('/user', () => {
         url: '/user/new',
         auth: {basic: 'admin'},
         httpStatus: 400, default: false,
-        req: {email: 'j.doe@bosch.com', name: 'janedoe', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II']}
+        req: {email: 'j.doe@bosch.com', name: 'janedoe', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II'], models: []}
       }).end((err, res) => {
           if (err) return done (err);
           should(res.body).be.eql({status: 'Username already taken'});
@@ -545,7 +652,7 @@ describe('/user', () => {
         url: '/user/new',
         auth: {basic: 'admin'},
         httpStatus: 400, default: false,
-        req: {email: 'j.doe@bosch.com', name: 'passreset', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II']},
+        req: {email: 'j.doe@bosch.com', name: 'passreset', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II'], models: []},
         res: {status: 'Username already taken'}
       });
     });
@@ -566,7 +673,7 @@ describe('/user', () => {
         auth: {basic: 'admin'},
         httpStatus: 400,
         req: {email: 'john.doe@bosch.com', name: 'johndoe', pass: 'Abc123!#', level: 'xxx', location: 'Rng', devices: ['Alpha II']},
-        res: {status: 'Invalid body format', details: '"level" must be one of [read, write, dev, admin]'}
+        res: {status: 'Invalid body format', details: '"level" must be one of [predict, read, write, dev, admin]'}
       });
     });
     it('rejects an invalid email address', done => {
@@ -589,6 +696,16 @@ describe('/user', () => {
         res: {status: 'Invalid body format', details: '"pass" length must be at least 8 characters long'}
       });
     });
+    it('rejects an invalid model', done => {
+      TestHelper.request(server, done, {
+        method: 'post',
+        url: '/user/new',
+        auth: {basic: 'admin'},
+        httpStatus: 400,
+        req: {email: 'john.doe@bosch.com', name: 'johndoe', pass: 'Abc123!#', level: 'read', location: 'Rng', devices: ['Alpha II'], models: ['120000000000000000000001', '000000000000000000000001']},
+        res: {status: 'Invalid model id'}
+      });
+    });
     it('rejects requests from non-admins', done => {
       TestHelper.request(server, done, {
         method: 'post',
diff --git a/src/routes/user.ts b/src/routes/user.ts
index 8c60eda..c7cfb7f 100644
--- a/src/routes/user.ts
+++ b/src/routes/user.ts
@@ -5,9 +5,11 @@ import _ from 'lodash';
 
 import UserValidate from './validate/user';
 import UserModel from '../models/user';
+import ModelModel from '../models/model';
 import Mail from '../helpers/mail';
 import res400 from './validate/res400';
 import db from '../db';
+import globals from '../globals';
 
 const router = express.Router();
 
@@ -17,14 +19,14 @@ router.get('/users', (req, res) => {
 
   UserModel.find({}).lean().exec(  (err, data:any) => {
     // validate all and filter null values from validation errors
-    res.json(_.compact(data.map(e => UserValidate.output(e))));
+    res.json(_.compact(data.map(e => UserValidate.output(e, 'admin'))));
   });
 });
 
 // this path matches /user, /user/ and /user/xxx, but not /user/key or user/new.
 // See https://forbeslindesay.github.io/express-route-tester/ for the generated regex
 router.get('/user:username([/](?!key|new).?*|/?)', (req, res, next) => {
-  if (!req.auth(res, ['read', 'write', 'dev', 'admin'], 'basic')) return;
+  if (!req.auth(res, ['predict', 'read', 'write', 'dev', 'admin'], 'basic')) return;
 
   const username = getUsername(req, res);
   if (!username) return;
@@ -40,8 +42,8 @@ router.get('/user:username([/](?!key|new).?*|/?)', (req, res, next) => {
 });
 
 // this path matches /user, /user/ and /user/xxx, but not /user/key or user/new
-router.put('/user:username([/](?!key|new).?*|/?)', async (req, res, next) => {
-  if (!req.auth(res, ['read', 'write', 'dev', 'admin'], 'basic')) return;
+router.put('/user:username([/](?!key|new|restore).?*|/?)', async (req, res, next) => {
+  if (!req.auth(res, ['predict', 'read', 'write', 'dev', 'admin'], 'basic')) return;
 
   const username = getUsername(req, res);
   if (!username) return;
@@ -59,6 +61,10 @@ router.put('/user:username([/](?!key|new).?*|/?)', async (req, res, next) => {
     if (!await usernameCheck(user.name, res, next)) return;
   }
 
+  if (user.hasOwnProperty('models')) {
+    if (!await modelsCheck(user.models, res, next)) return;
+  }
+
   // get current mail address to compare to given address
   const oldUserData = await UserModel.findOne({name: username}).lean().exec().catch(err => next(err));
 
@@ -84,12 +90,12 @@ router.put('/user:username([/](?!key|new).?*|/?)', async (req, res, next) => {
 // this path matches /user, /user/ and /user/xxx, but not /user/key or user/new.
 // See https://forbeslindesay.github.io/express-route-tester/ for the generated regex
 router.delete('/user:username([/](?!key|new).?*|/?)', (req, res, next) => {
-  if (!req.auth(res, ['read', 'write', 'dev', 'admin'], 'basic')) return;
+  if (!req.auth(res, ['predict', 'read', 'write', 'dev', 'admin'], 'basic')) return;
 
   const username = getUsername(req, res);
   if (!username) return;
 
-  UserModel.findOneAndDelete({name: username}).log(req).lean().exec(  (err, data:any) => {
+  UserModel.findOneAndUpdate({name: username}, {status: globals.status.del}).log(req).lean().exec(  (err, data:any) => {
     if (err) return next(err);
     if (data) {
       res.json({status: 'OK'})
@@ -100,6 +106,20 @@ router.delete('/user:username([/](?!key|new).?*|/?)', (req, res, next) => {
   });
 });
 
+router.put('/user/restore/:username', (req, res, next) => {
+  if (!req.auth(res, ['admin'], 'basic')) return;
+
+  UserModel.findOneAndUpdate({name: req.params.username}, {status: globals.status.new})
+    .log(req).lean().exec((err, data) => {
+    if (err) return next(err);
+
+    if (!data) {
+      return res.status(404).json({status: 'Not found'});
+    }
+    res.json({status: 'OK'});
+  });
+});
+
 router.get('/user/key', (req, res, next) => {
   if (!req.auth(res, ['read', 'write', 'dev', 'admin'], 'basic')) return;
 
@@ -114,12 +134,15 @@ router.post('/user/new', async (req, res, next) => {
 
   // validate input
   const {error, value: user} = UserValidate.input(req.body, 'new');
+  console.log(error);
   if (error) return res400(error, res);
 
   // check that user does not already exist
   if (!await usernameCheck(user.name, res, next)) return;
+  if (!await modelsCheck(user.models, res, next)) return;
 
   user.key = mongoose.Types.ObjectId();  // use object id as unique API key
+  user.status = globals.status.new;
   bcrypt.hash(user.pass, 10, (err, hash) => {  // password hashing
     user.pass = hash;
     new UserModel(user).save((err, data) => {  // store user
@@ -181,4 +204,18 @@ async function usernameCheck (name, res, next) {  // check if username is alread
     return false;
   }
   return true;
+}
+
+async function modelsCheck (models, res, next) {  // check if model ids exist, returns false on error
+  let result = true;
+  for (let i in models) {
+    const model = await ModelModel.findOne({'models._id': mongoose.Types.ObjectId(models[i])})
+      .lean().exec().catch(err => next(err)) as any;
+    if(!model) {
+      res.status(400).json({status: 'Invalid model id'});
+      result = false;
+      break;
+    }
+  }
+  return result;
 }
\ No newline at end of file
diff --git a/src/routes/validate/model.ts b/src/routes/validate/model.ts
index 30d3179..1a3fb2b 100644
--- a/src/routes/validate/model.ts
+++ b/src/routes/validate/model.ts
@@ -1,4 +1,5 @@
 import Joi from 'joi';
+import IdValidate from './id';
 
 
 export default class ModelValidate {  // validate input for model
@@ -29,9 +30,10 @@ export default class ModelValidate {  // validate input for model
   }
 
   static output (data) {  // validate output and strip unwanted properties, returns null if not valid
+    data = IdValidate.stringify(data);
     const {value, error} = Joi.object({
       group: this.model.group,
-      models: Joi.array().items(this.model.model)
+      models: Joi.array().items(this.model.model.append({_id: IdValidate.get()}))
     }).validate(data, {stripUnknown: true});
     return error !== undefined? null : value;
   }
diff --git a/src/routes/validate/user.ts b/src/routes/validate/user.ts
index 1a0dff3..4ac78d4 100644
--- a/src/routes/validate/user.ts
+++ b/src/routes/validate/user.ts
@@ -31,7 +31,13 @@ export default class UserValidate {  // validate input for user
       .items(Joi.string()
         .allow('')
         .max(128)
-      )
+      ),
+
+    models: Joi.array()
+      .items(IdValidate.get()),
+
+    status: Joi.string()
+      .valid(...Object.values(globals.status))
   };
 
   private static specialUsernames: string[] = ['admin', 'user', 'key', 'new', 'passreset'];  // names a user cannot take
@@ -44,7 +50,8 @@ export default class UserValidate {  // validate input for user
         pass: this.user.pass.required(),
         level: this.user.level.required(),
         location: this.user.location.required(),
-        devices: this.user.devices.required()
+        devices: this.user.devices.required(),
+        models: this.user.models.required()
       }).validate(data);
     }
     else if (param === 'change') {
@@ -63,7 +70,8 @@ export default class UserValidate {  // validate input for user
         pass: this.user.pass,
         level: this.user.level,
         location: this.user.location,
-        devices: this.user.devices
+        devices: this.user.devices,
+        models: this.user.models
       }).validate(data);
     }
     else {
@@ -71,16 +79,21 @@ export default class UserValidate {  // validate input for user
     }
   }
 
-  static output (data) {  // validate output and strip unwanted properties, returns null if not valid
+  static output (data, param = '') {  // validate output and strip unwanted properties, returns null if not valid
     data = IdValidate.stringify(data);
-    const {value, error} = Joi.object({
+    const validate: {[key: string]: object} = {
       _id: IdValidate.get(),
       name: this.user.name,
       email: this.user.email,
       level: this.user.level,
       location: this.user.location,
-      devices: this.user.devices
-    }).validate(data, {stripUnknown: true});
+      devices: this.user.devices,
+      models: this.user.models
+    }
+    if (param === 'admin') {
+      validate.status = this.user.status;
+    }
+    const {value, error} = Joi.object(validate).validate(data, {stripUnknown: true});
     return error !== undefined? null : value;
   }
 
diff --git a/src/test/db.json b/src/test/db.json
index 8b59273..9cd244f 100644
--- a/src/test/db.json
+++ b/src/test/db.json
@@ -734,11 +734,13 @@
         "group": "VN",
         "models": [
           {
+            "_id": {"$oid":"120000000000000000000001"},
             "name": "Model A",
             "url": "http://model-a.com",
             "label": "ml/g"
           },
           {
+            "_id": {"$oid":"120000000000000000000002"},
             "name": "Model B",
             "url": "http://model-b.com",
             "label": "ml/g"
@@ -749,6 +751,7 @@
         "group": "Moisture",
         "models": [
           {
+            "_id": {"$oid":"120000000000000000000003"},
             "name": "Model 1",
             "url": "http://model-1.com",
             "label": "weight %"
@@ -765,7 +768,9 @@
         "level": "read",
         "location": "Rng",
         "devices": ["Alpha I"],
+        "models": [],
         "key": "000000000000000000001001",
+        "status": "new",
         "__v": 0
       },
       {
@@ -776,7 +781,9 @@
         "level": "write",
         "location": "Rng",
         "devices": ["Alpha I"],
+        "models": [],
         "key": "000000000000000000001002",
+        "status": "new",
         "__v": 0
       },
       {
@@ -787,7 +794,9 @@
         "level": "admin",
         "location": "Rng",
         "devices": [""],
+        "models": [],
         "key": "000000000000000000001003",
+        "status": "new",
         "__v": "0"
       },
       {
@@ -798,7 +807,35 @@
         "level": "write",
         "location": "Fe",
         "devices": ["Alpha I"],
+        "models": [],
         "key": "000000000000000000001004",
+        "status": "new",
+        "__v": 0
+      },
+      {
+        "_id": {"$oid":"000000000000000000000005"},
+        "email": "customer@company.com",
+        "name": "customer",
+        "pass": "$2a$10$di26XKF63OG0V00PL1kSK.ceCcTxDExBMOg.jkHiCnXcY7cN7DlPi",
+        "level": "predict",
+        "location": "Fe",
+        "devices": [],
+        "models": [{"$oid":"120000000000000000000001"}],
+        "key": "000000000000000000001005",
+        "status": "new",
+        "__v": 0
+      },
+      {
+        "_id": {"$oid":"000000000000000000000006"},
+        "email": "customerold@company2.com",
+        "name": "customerold",
+        "pass": "$2a$10$di26XKF63OG0V00PL1kSK.ceCcTxDExBMOg.jkHiCnXcY7cN7DlPi",
+        "level": "predict",
+        "location": "Fe",
+        "devices": [],
+        "models": [{"$oid":"120000000000000000000001"}],
+        "key": "000000000000000000001006",
+        "status": "deleted",
         "__v": 0
       }
     ],
diff --git a/src/test/helper.ts b/src/test/helper.ts
index ff337a3..70dd638 100644
--- a/src/test/helper.ts
+++ b/src/test/helper.ts
@@ -11,7 +11,8 @@ export default class TestHelper {
     admin: {pass: 'Abc123!#', key: '000000000000000000001003', id: '000000000000000000000003'},
     janedoe: {pass: 'Xyz890*)', key: '000000000000000000001002', id: '000000000000000000000002'},
     user: {pass: 'Xyz890*)', key: '000000000000000000001001', id: '000000000000000000000001'},
-    johnnydoe: {pass: 'Xyz890*)', key: '000000000000000000001004', id: '000000000000000000000004'}
+    johnnydoe: {pass: 'Xyz890*)', key: '000000000000000000001004', id: '000000000000000000000004'},
+    customer: {pass: 'Xyz890*)', key: '000000000000000000001005', id: '000000000000000000000005'}
   }
 
   public static res = {  // default responses