ease typescript rules

.dockerignore

@@ -0,0 +1 @@
+node_modules/

.gitignore

@@ -1,6 +1,8 @@
 /node_modules
 
-/build
+/dist
+
+.env
 
 *.gen.ts
 

Dockerfile

@@ -0,0 +1,17 @@
+FROM node:alpine AS builder
+WORKDIR /backend
+COPY package.json /backend/package.json
+RUN yarn
+COPY . /backend
+RUN yarn prisma generate && yarn codegen && yarn build
+
+FROM node:alpine
+WORKDIR /backend
+COPY --from=builder /backend/dist /backend
+COPY package.json /backend/package.json
+RUN yarn install --prod
+COPY --from=builder /backend/node_modules/@prisma/client /backend/node_modules/@prisma/client
+COPY --from=builder /backend/node_modules/.prisma/client/ /backend/node_modules/.prisma/client/
+COPY --from=builder /backend/prisma /backend/prisma
+USER node
+CMD [ "node", "./index.js" ]

codegen.yml

@@ -1,5 +1,5 @@
 overwrite: true
-schema: "src/typeDefs/typeDefs.gql"
+schema: 'src/typeDefs/typeDefs.gql'
 documents: null
 generates:
   src/typeDefs/typeDefs.gen.ts:
@@ -8,5 +8,5 @@ generates:
       wrapFieldDefinitions: true
       enumsAsTypes: true
     plugins:
-      - "typescript"
-      - "typescript-resolvers"
+      - 'typescript'
+      - 'typescript-resolvers'

package.json

@@ -2,31 +2,36 @@
   "name": "backend",
   "version": "1.0.0",
   "main": "src/index.ts",
+  "private": "true",
   "license": "MIT",
   "dependencies": {
     "@prisma/client": "^2.7.1",
     "@sendgrid/mail": "^7.2.6",
-    "@types/jsonwebtoken": "^8.5.0",
     "apollo-server-express": "^2.18.2",
     "express-jwt": "^6.0.0",
     "graphql": "^15.3.0",
     "jsonwebtoken": "^8.5.1",
-    "jwks-rsa": "^1.10.1",
-    "nodemon": "^2.0.4"
+    "jwks-rsa": "^1.10.1"
   },
   "scripts": {
     "dev": "nodemon",
     "start": "ts-node src/index.ts",
+    "copy-assets": "cp src/typeDefs/typeDefs.gql dist/typeDefs/typeDefs.gql",
+    "build": "tsc && yarn copy-assets",
     "codegen": "graphql-codegen --config codegen.yml",
-    "lint": "eslint"
+    "lint": "eslint",
+    "test": "echo \"Error: no test specified\" && exit 1"
   },
   "devDependencies": {
     "@graphql-codegen/cli": "1.17.10",
     "@graphql-codegen/introspection": "1.18.0",
     "@graphql-codegen/typescript": "1.17.10",
     "@graphql-codegen/typescript-resolvers": "1.17.10",
+    "@prisma/cli": "2.8.1",
     "@types/dotenv": "^8.2.0",
+    "@types/jsonwebtoken": "^8.5.0",
     "dotenv": "^8.2.0",
+    "nodemon": "^2.0.4",
     "ts-node": "^9.0.0",
     "typescript": "^4.0.3"
   }

prisma/migrations/20201104091229-renamed-user-form-submissions-name/README.md

@@ -0,0 +1,41 @@
+# Migration `20201104091229-renamed-user-form-submissions-name`
+
+This migration has been generated by Dm1tr1y147 at 11/4/2020, 2:12:29 PM.
+You can check out the [state of the schema](./schema.prisma) after the migration.
+
+## Database Steps
+
+```sql
+
+```
+
+## Changes
+
+```diff
+diff --git schema.prisma schema.prisma
+migration 20201009145620-add-user-email..20201104091229-renamed-user-form-submissions-name
+--- datamodel.dml
++++ datamodel.dml
+@@ -2,9 +2,9 @@
+ // learn more about it in the docs: https://pris.ly/d/prisma-schema
+ datasource db {
+   provider = "postgres"
+-  url = "***"
++  url = "***"
+ }
+ generator client {
+   provider = "prisma-client-js"
+@@ -60,10 +60,10 @@
+   name  String
+   email String @unique @default("test@mail.com")
+   forms Form[]
+-  id               Int              @id @default(autoincrement())
+-  formsSubmissions FormSubmission[]
++  id              Int              @id @default(autoincrement())
++  formSubmissions FormSubmission[]
+ }
+ model FormSubmission {
+   answers Answer[]
+```
+
+

prisma/migrations/20201104091229-renamed-user-form-submissions-name/schema.prisma

@@ -0,0 +1,92 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+datasource db {
+  provider = "postgres"
+  url = "***"
+}
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+model Form {
+  title            String
+  choisesQuestions ChoisesQuestion[]
+  inputQuestions   InputQuestion[]
+  submissions      FormSubmission[]
+  dateCreated      DateTime          @default(now())
+  author           User              @relation(fields: [userId], references: [id])
+
+  id     Int @id @default(autoincrement())
+  userId Int
+}
+
+model ChoisesQuestion {
+  title    String
+  variants Variant[]
+  type     ChoiseType
+  number   Int
+
+  id     Int   @id @default(autoincrement())
+  Form   Form? @relation(fields: [formId], references: [id])
+  formId Int?
+}
+
+model Variant {
+  text String
+
+  id                Int              @id @default(autoincrement())
+  ChoisesQuestion   ChoisesQuestion? @relation(fields: [choisesQuestionId], references: [id])
+  choisesQuestionId Int?
+}
+
+model InputQuestion {
+  title  String
+  number Int
+
+  id     Int   @id @default(autoincrement())
+  Form   Form? @relation(fields: [formId], references: [id])
+  formId Int?
+}
+
+enum ChoiseType {
+  SELECT
+  CHECK
+  CHOOSE
+}
+
+model User {
+  name  String
+  email String @unique @default("test@mail.com")
+  forms Form[]
+
+  id              Int              @id @default(autoincrement())
+  formSubmissions FormSubmission[]
+}
+
+model FormSubmission {
+  answers Answer[]
+  date    DateTime @default(now())
+  user    User     @relation(fields: [userId], references: [id])
+
+  id     Int   @id @default(autoincrement())
+  userId Int
+  Form   Form? @relation(fields: [formId], references: [id])
+  formId Int?
+}
+
+model Answer {
+  userInput  String?
+  userChoise Int?
+  type       AnswerType
+
+  id               Int             @id @default(autoincrement())
+  FormSubmission   FormSubmission? @relation(fields: [formSubmissionId], references: [id])
+  formSubmissionId Int?
+}
+
+enum AnswerType {
+  INPUT
+  CHOISE
+}

prisma/migrations/20201104091229-renamed-user-form-submissions-name/steps.json

@@ -0,0 +1,17 @@
+{
+  "version": "0.3.14-fixed",
+  "steps": [
+    {
+      "tag": "CreateField",
+      "model": "User",
+      "field": "formSubmissions",
+      "type": "FormSubmission",
+      "arity": "List"
+    },
+    {
+      "tag": "DeleteField",
+      "model": "User",
+      "field": "formsSubmissions"
+    }
+  ]
+}

prisma/migrations/migrate.lock

@@ -4,3 +4,4 @@
 20201006185953-improved-schema-structure
 20201007134933-fix-optional-values
 20201009145620-add-user-email
+20201104091229-renamed-user-form-submissions-name

prisma/schema.prisma

@@ -62,7 +62,7 @@ model User {
   forms Form[]
 
   id              Int              @id @default(autoincrement())
-  formsSubmissions FormSubmission[]
+  formSubmissions FormSubmission[]
 }
 
 model FormSubmission {

src/controllers/auth.ts

@@ -2,16 +2,16 @@ import jwt from 'jsonwebtoken'
 import {
   ApolloError,
   AuthenticationError,
-  ForbiddenError
+  ForbiddenError,
 } from 'apollo-server-express'
 import { PrismaClient } from '@prisma/client'
 
-require('dotenv').config()
-
 import { CheckRightsAndResolve } from './types'
 import { getDBFormAuthor } from '../db'
 import { sendToken } from './mailer'
 
+if (process.env.NODE_ENV === 'development') require('dotenv').config()
+
 const checkRightsAndResolve: CheckRightsAndResolve = async (params) => {
   const { user, expected, controller } = params
 
@@ -35,10 +35,12 @@ const getFormAuthor = async (db: PrismaClient, id: number) => {
 }
 
 const tokenGenerate = (email: string, id: number) => {
-  return jwt.sign({ email, id }, '' + process.env.JWT_SECRET, {
+  const token = jwt.sign({ email, id }, '' + process.env.JWT_SECRET, {
     algorithm: 'HS256',
-    expiresIn: '7 days'
+    expiresIn: '7 days',
   })
+
+  return token
 }
 
 const genAndSendToken = async (

src/controllers/form.ts

@@ -1,33 +1,48 @@
-import { Answer as DbAnswer, PrismaClient } from '@prisma/client'
+import { Answer as DbAnswer, PrismaClient, Form } from '@prisma/client'
 import { ApolloError, UserInputError } from 'apollo-server-express'
 
 import {
-  Form,
+  ChoisesQuestion,
   Form as GraphqlForm,
+  FormSubmission,
   InputQuestion,
   MutationCreateFormArgs,
   MutationFormSubmitArgs,
-  ServerAnswer
+  ServerAnswer,
+  Variant,
 } from '../typeDefs/typeDefs.gen'
 import {
   CreateChoises,
   FormConstructor,
   UploadedChoisesQuestion,
   UploadedInputQuestion,
-  UploadedQuestion
+  UploadedQuestion,
 } from './types'
 import {
   createDBForm,
   getDBForm,
   getDBFormsByUser,
-  submitDBAnswer
+  submitDBAnswer,
+  getDBFormToSubmit,
 } from '../db'
+import {
+  validateCreateFormParameters,
+  validateSubmitAnswerParameters,
+} from './validate'
+
+const formatQuestions = (
+  choisesQuestions: (ChoisesQuestion & {
+    variants: Variant[]
+  })[],
+  inputQuestions: InputQuestion[]
+) =>
+  [...choisesQuestions, ...inputQuestions].sort((a, b) => a.number - b.number)
 
 const getForm = async (
   db: PrismaClient,
   id: number,
-  user: { requesterId: number; userId: number }
-): Promise<Form> => {
+  user: { requesterId: number; ownerId: number }
+): Promise<GraphqlForm> => {
   try {
     const dbForm = await getDBForm(db, id, user)
 
@@ -37,13 +52,20 @@ const getForm = async (
       author: dbForm.author,
       dateCreated: dbForm.dateCreated.toString(),
       id: dbForm.id,
-      questions: [...dbForm.choisesQuestions, ...dbForm.inputQuestions],
-      submissions: dbForm.submissions.map((submission) => ({
+      questions: formatQuestions(
+        dbForm.choisesQuestions,
+        dbForm.inputQuestions
+      ),
+      submissions:
+        user.ownerId == user.requesterId || !(dbForm.submissions.length == 0)
+          ? dbForm.submissions.map((submission) => ({
+              user: submission.user,
               answers: submission.answers,
               date: submission.date.toString(),
-        id: submission.id
-      })),
-      title: dbForm.title
+              id: submission.id,
+            }))
+          : null,
+      title: dbForm.title,
     }
 
     return form
@@ -52,22 +74,26 @@ const getForm = async (
   }
 }
 
-const getForms = async (db: PrismaClient, userId: number): Promise<Form[]> => {
+const getForms = async (
+  db: PrismaClient,
+  userId: number
+): Promise<GraphqlForm[]> => {
   try {
     const dbForms = await getDBFormsByUser(db, userId)
 
     if (!dbForms) throw new ApolloError("Couldn't load forms", 'FETCHINGERROR')
 
-    const forms: Form[] = dbForms.map((form) => ({
+    const forms: GraphqlForm[] = dbForms.map((form) => ({
       dateCreated: form.dateCreated.toString(),
       id: form.id,
       questions: [...form.choisesQuestions, ...form.inputQuestions],
       submissions: form.submissions.map((submission) => ({
+        user: submission.user,
         answers: submission.answers,
         date: submission.date.toString(),
-        id: submission.id
+        id: submission.id,
       })),
-      title: form.title
+      title: form.title,
     }))
 
     return forms
@@ -84,6 +110,8 @@ const createFormFrom = async (
   try {
     const parsedQuestions = <UploadedQuestion[]>JSON.parse(params.questions)
 
+    await validateCreateFormParameters(params.title, parsedQuestions)
+
     const newForm: FormConstructor = {
       choisesQuestions: {
         create: parsedQuestions.flatMap<CreateChoises>(
@@ -95,12 +123,12 @@ const createFormFrom = async (
                     title: uQuestion.title,
                     type: uQuestion.type,
                     variants: {
-                      create: uQuestion.variants
-                    }
-                  }
+                      create: uQuestion.variants,
+                    },
+                  },
                 ]
               : []
-        )
+        ),
       },
       inputQuestions: {
         create: parsedQuestions.flatMap<InputQuestion>(
@@ -108,9 +136,9 @@ const createFormFrom = async (
             !('type' in uQuestion)
               ? [{ number: index, title: uQuestion.title }]
               : []
-        )
+        ),
       },
-      title: params.title
+      title: params.title,
     }
 
     const res = await createDBForm(db, newForm, id)
@@ -130,8 +158,21 @@ const submitAnswer = async (
   userId: number
 ): Promise<ServerAnswer> => {
   try {
+    const form = await getDBFormToSubmit(db, formId)
+    if (!form) throw new UserInputError("Can't submit form")
+
+    form.submissions.forEach((submission) => {
+      if (submission.userId === userId)
+        throw new UserInputError("Can't submit same form more than once")
+    })
+
     const parsedAnswers = <DbAnswer[]>JSON.parse(answers)
 
+    await validateSubmitAnswerParameters(
+      parsedAnswers,
+      formatQuestions(form.choisesQuestions, form.inputQuestions)
+    )
+
     const res = await submitDBAnswer(db, userId, formId, parsedAnswers)
 
     if (!res) throw new UserInputError("Can't submit form")
@@ -142,4 +183,26 @@ const submitAnswer = async (
   }
 }
 
-export { createFormFrom, getForm, getForms, submitAnswer }
+const formatForms = (
+  forms: (Form & {
+    choisesQuestions: (ChoisesQuestion & {
+      variants: Variant[]
+    })[]
+    inputQuestions: InputQuestion[]
+    submissions: (Omit<FormSubmission, 'date'> & { date: Date })[]
+  })[]
+): GraphqlForm[] =>
+  forms.map<GraphqlForm>((form) => ({
+    dateCreated: form.dateCreated.toString(),
+    id: form.id,
+    questions: formatQuestions(form.choisesQuestions, form.inputQuestions),
+    submissions: form.submissions.map((submission) => ({
+      answers: submission.answers,
+      date: submission.date.toString(),
+      id: submission.id,
+      user: submission.user,
+    })),
+    title: form.title,
+  }))
+
+export { createFormFrom, getForm, getForms, submitAnswer, formatForms }

src/controllers/index.ts

@@ -10,5 +10,5 @@ export {
   getForm,
   getFormAuthor,
   getForms,
-  submitAnswer
+  submitAnswer,
 }

src/controllers/mailer.ts

@@ -1,6 +1,6 @@
 import sgMail from '@sendgrid/mail'
 
-require('dotenv').config()
+if (process.env.NODE_ENV === 'development') require('dotenv').config()
 
 sgMail.setApiKey('' + process.env.SENDGRID_API_KEY)
 
@@ -9,12 +9,12 @@ const sendToken = (username: string, email: string, token: string) => {
     dynamicTemplateData: {
       siteUrl: process.env.SITE_URL,
       token: token,
-      username: username
+      username: username,
     },
     from: 'me@dmitriy.icu',
     subject: 'Login link',
     templateId: 'd-a9275a4437bf4dd2b9e858f3a57f85d5',
-    to: email
+    to: email,
   })
 }
 

src/controllers/types.ts

@@ -2,7 +2,7 @@ import { ChoiseType } from '@prisma/client'
 import {
   ChoisesQuestion,
   InputQuestion,
-  Variant
+  Variant,
 } from '../typeDefs/typeDefs.gen'
 import { JwtPayloadType } from '../types'
 
@@ -48,5 +48,5 @@ export {
   FormConstructor,
   UploadedChoisesQuestion,
   UploadedInputQuestion,
-  UploadedQuestion
+  UploadedQuestion,
 }

src/controllers/user.ts

@@ -3,6 +3,8 @@ import { IFindUserParams } from '../db/types'
 import { MutationRegisterArgs, User } from '../typeDefs/typeDefs.gen'
 import { PrismaClient } from '@prisma/client'
 import { ApolloError, UserInputError } from 'apollo-server-express'
+import { formatForms } from './form'
+import { formSubmitMutation, formsQuery } from 'resolvers/Form'
 
 const createUser = async (
   db: PrismaClient,
@@ -31,9 +33,22 @@ const findUserBy = async (
   params: IFindUserParams
 ): Promise<User> => {
   try {
-    const user = await findDBUserBy(db, params)
+    const dbUser = await findDBUserBy(db, params)
 
-    if (!user) throw new UserInputError('No such user')
+    if (!dbUser) throw new UserInputError('No such user')
+
+    const user: User = {
+      ...dbUser,
+      forms: formatForms(dbUser.forms),
+      formSubmissions: dbUser.formSubmissions.map((formSubmission) => ({
+        ...formSubmission,
+        date: formSubmission.date.toString(),
+        form: formSubmission.Form && {
+          ...formSubmission.Form,
+          dateCreated: formSubmission.Form?.dateCreated.toString(),
+        },
+      })),
+    }
 
     return user
   } catch (err) {

src/controllers/validate.ts

@@ -0,0 +1,127 @@
+'use strict'
+import { UserInputError } from 'apollo-server-express'
+import { Answer } from '@prisma/client'
+import {
+  UploadedChoisesQuestion,
+  UploadedInputQuestion,
+  UploadedQuestion,
+} from './types'
+import { ChoisesQuestion, InputQuestion, Variant } from 'typeDefs/typeDefs.gen'
+
+const choisesVariants = ['CHECK', 'CHOOSE', 'SELECT']
+
+const validateCreateFormParameters = async (
+  title: string,
+  questions: UploadedQuestion[]
+) => {
+  if (!title)
+    throw new UserInputError("Form title can't be empty", {
+      invalidArgs: ['title'],
+    })
+
+  questions.forEach(
+    (question: UploadedChoisesQuestion | UploadedInputQuestion) => {
+      if (!question.title)
+        throw new UserInputError("Question title can't be empty", {
+          invalidArgs: ['questions'],
+        })
+
+      if ('type' in question) {
+        if (!question.variants || question.variants.length < 1)
+          throw new UserInputError(
+            'Question with choises must have at least one answer variant',
+            { invalidArgs: ['questions'] }
+          )
+
+        question.variants.forEach((variant) => {
+          if (!variant.text || variant.text.length < 1)
+            throw new UserInputError("Choises variant text can't be empty", {
+              invalidArgs: ['questions'],
+            })
+        })
+
+        if (!choisesVariants.includes(question.type))
+          throw new UserInputError(
+            'Question with choises must be of one of supported types',
+            { invalidArgs: ['questions'] }
+          )
+      }
+    }
+  )
+}
+
+const validateSubmitAnswerParameters = async (
+  answers: Answer[],
+  questions: (
+    | (ChoisesQuestion & {
+        variants: Variant[]
+      })
+    | InputQuestion
+  )[]
+) => {
+  questions.forEach((question, questionIndex) => {
+    const answer = answers[questionIndex]
+
+    if (!answer)
+      throw new UserInputError('Every required question must have answer', {
+        invalidArgs: ['answers'],
+      })
+
+    if (!answer.type)
+      throw new UserInputError('Type must be specified for answer', {
+        invalidArgs: ['answers'],
+      })
+
+    if (answer.type !== 'CHOISE' && answer.type !== 'INPUT')
+      throw new UserInputError('Answer must have supported type', {
+        invalidArgs: ['answers'],
+      })
+
+    if (answer.type === 'CHOISE' && !('type' in question))
+      throw new UserInputError(
+        `Answer ${questionIndex + 1} must be of 'INPUT' type`,
+        {
+          invalidArgs: ['answers'],
+        }
+      )
+
+    if (answer.type === 'INPUT' && 'type' in question)
+      throw new UserInputError(
+        `Answer ${questionIndex + 1} must be of 'CHOISE' type`,
+        {
+          invalidArgs: ['answers'],
+        }
+      )
+
+    if (answer.type === 'CHOISE' && answer.userChoise === null)
+      throw new UserInputError(
+        "Question of type 'CHOISE' must have choise number set",
+        {
+          invalidArgs: ['answers'],
+        }
+      )
+
+    if (answer.type === 'INPUT' && answer.userInput === null)
+      throw new UserInputError(
+        "Question of type 'INPUT' must have input string",
+        {
+          invalidArgs: ['answers'],
+        }
+      )
+
+    if (
+      answer.userChoise !== null &&
+      (question as ChoisesQuestion).variants &&
+      answer.userChoise > (question as ChoisesQuestion).variants.length - 1
+    )
+      throw new UserInputError(
+        "Can't have chosen number bigger than amount of variants: " +
+          (question as ChoisesQuestion).variants.length,
+        {
+          invalidArgs: ['answers'],
+        }
+      )
+  })
+}
+
+export { validateCreateFormParameters, validateSubmitAnswerParameters }

src/db/index.ts

@@ -19,10 +19,10 @@ const getDBForm = (
   formId: number,
   {
     requesterId,
-    userId
+    ownerId: ownerId,
   }: {
     requesterId: number
-    userId: number
+    ownerId: number
   }
 ) =>
   db.form.findOne({
@@ -31,32 +31,33 @@ const getDBForm = (
         select: {
           email: true,
           id: true,
-          name: true
-        }
+          name: true,
+        },
       },
       choisesQuestions: {
         include: {
-          variants: true
-        }
+          variants: true,
+        },
       },
       inputQuestions: true,
       submissions: {
         include: {
-          answers: true
+          user: true,
+          answers: true,
         },
         where:
-          requesterId != userId
+          requesterId != ownerId
             ? {
                 user: {
-                  id: requesterId
-                }
-              }
-            : undefined
+                  id: requesterId,
+                },
               }
+            : undefined,
+      },
     },
     where: {
-      id: formId
-    }
+      id: formId,
+    },
   })
 
 /**
@@ -71,21 +72,22 @@ const getDBFormsByUser = (db: PrismaClient, id: number) =>
     include: {
       choisesQuestions: {
         include: {
-          variants: true
-        }
+          variants: true,
+        },
       },
       inputQuestions: true,
       submissions: {
         include: {
-          answers: true
-        }
-      }
+          user: true,
+          answers: true,
+        },
+      },
     },
     where: {
       author: {
-        id
-      }
-    }
+        id,
+      },
+    },
   })
 
 const getDBFormAuthor = (db: PrismaClient, id: number) =>
@@ -93,13 +95,13 @@ const getDBFormAuthor = (db: PrismaClient, id: number) =>
     select: {
       author: {
         select: {
-          id: true
-        }
-      }
+          id: true,
+        },
+      },
     },
     where: {
-      id
-    }
+      id,
+    },
   })
 
 const createDBUser = (
@@ -107,24 +109,48 @@ const createDBUser = (
   { email, name }: MutationRegisterArgs
 ) =>
   db.user.create({
-    data: { email, name }
+    data: { email, name },
   })
 
 const findDBUserBy = (db: PrismaClient, params: IFindUserParams) =>
   db.user.findOne({
     where: {
-      ...params
-    }
+      ...params,
+    },
+    include: {
+      forms: {
+        include: {
+          choisesQuestions: {
+            include: {
+              variants: true,
+            },
+          },
+          inputQuestions: true,
+          submissions: {
+            include: {
+              user: true,
+              answers: true,
+            },
+          },
+        },
+      },
+      formSubmissions: {
+        include: {
+          answers: true,
+          Form: true,
+        },
+      },
+    },
   })
 
 const createDBForm = (db: PrismaClient, form: FormConstructor, id: number) =>
   db.form.create({
     data: {
       author: {
-        connect: { id }
+        connect: { id },
+      },
+      ...form,
     },
-      ...form
-    }
   })
 
 const submitDBAnswer = (
@@ -136,19 +162,39 @@ const submitDBAnswer = (
   db.formSubmission.create({
     data: {
       answers: {
-        create: formAnswers
+        create: formAnswers,
       },
       Form: {
         connect: {
-          id: formId
-        }
+          id: formId,
+        },
       },
       user: {
         connect: {
-          id: userId
-        }
-      }
-    }
+          id: userId,
+        },
+      },
+    },
+  })
+
+const getDBFormToSubmit = async (db: PrismaClient, formId: number) =>
+  db.form.findOne({
+    where: {
+      id: formId,
+    },
+    select: {
+      choisesQuestions: {
+        include: {
+          variants: true,
+        },
+      },
+      inputQuestions: true,
+      submissions: {
+        select: {
+          userId: true,
+        },
+      },
+    },
   })
 
 export {
@@ -158,5 +204,6 @@ export {
   getDBForm,
   getDBFormAuthor,
   getDBFormsByUser,
-  submitDBAnswer
+  submitDBAnswer,
+  getDBFormToSubmit,
 }

src/index.ts

@@ -6,7 +6,7 @@ import { ApolloContextType, JwtPayloadType } from './types'
 import { ApolloServer, makeExecutableSchema } from 'apollo-server-express'
 import { PrismaClient } from '@prisma/client'
 
-require('dotenv').config()
+if (process.env.NODE_ENV === 'development') require('dotenv').config()
 
 const app = express()
 
@@ -14,34 +14,45 @@ app.use(
   expressJwt({
     algorithms: ['HS256'],
     credentialsRequired: false,
-    secret: '' + process.env.JWT_SECRET
+    secret: '' + process.env.JWT_SECRET,
   })
 )
 
+const errorHandler: express.ErrorRequestHandler = (err, _, res, __) => {
+  if (err.name === 'UnauthorizedError') {
+    res.status(401).send('Invalid token')
+  }
+}
+
+app.use(errorHandler)
+
+const db = new PrismaClient()
+
 const server = new ApolloServer({
   context: async ({
-    req
+    req,
   }: {
     req: Request & {
       user: JwtPayloadType
     }
   }): Promise<ApolloContextType> => {
-    const db = new PrismaClient()
     const user = req.user || null
     return {
       db,
-      user
+      user,
     }
   },
   debug: false,
   schema: makeExecutableSchema({
     resolvers,
-    typeDefs
-  })
+    typeDefs,
+  }),
 })
 
 server.applyMiddleware({ app })
 
-app.listen(4000, () => {
-  console.log('Server ready at http://localhost:4000')
+const port = process.env.BACKEND_PORT || 4000
+
+app.listen(port, () => {
+  console.log(`Server ready at http://localhost:${port}`)
 })

src/resolvers/Form.ts

@@ -6,7 +6,7 @@ import {
   QueryFormArgs,
   QuestionResolvers,
   Resolver,
-  ServerAnswer
+  ServerAnswer,
 } from '../typeDefs/typeDefs.gen'
 import { ApolloContextType } from '../types'
 import {
@@ -15,7 +15,7 @@ import {
   getForm,
   getFormAuthor,
   getForms,
-  submitAnswer
+  submitAnswer,
 } from '../controllers'
 
 const formQuery: Resolver<Form, {}, ApolloContextType, QueryFormArgs> = async (
@@ -26,16 +26,16 @@ const formQuery: Resolver<Form, {}, ApolloContextType, QueryFormArgs> = async (
   try {
     const ownerId = await getFormAuthor(db, id)
 
-    const getFormById = (userId: number) =>
-      getForm(db, id, { requesterId: userId, userId: ownerId })
+    const getFormById = (requesterId: number) =>
+      getForm(db, id, { requesterId, ownerId })
 
     return await checkRightsAndResolve({
       controller: getFormById,
       expected: {
         id: 0,
-        self: true
+        self: true,
       },
-      user
+      user,
     })
   } catch (err) {
     return err
@@ -57,9 +57,9 @@ const formsQuery: Resolver<Form[], {}, ApolloContextType> = async (
       controller: getFormsByUserId,
       expected: {
         id: 0,
-        self: true
+        self: true,
       },
-      user
+      user,
     })
   } catch (err) {
     return err
@@ -74,13 +74,16 @@ const createFormMutation: Resolver<
 > = async (_, params, { db, user }) => {
   const createNewForm = (id: number) => createFormFrom(db, params, id)
 
-  return await checkRightsAndResolve({
+  return await checkRightsAndResolve<
+    ServerAnswer,
+    (id: number) => Promise<ServerAnswer>
+  >({
     controller: createNewForm,
     expected: {
       id: 0,
-      self: true
+      self: true,
     },
-    user
+    user,
   })
 }
 
@@ -92,13 +95,16 @@ const formSubmitMutation: Resolver<
 > = async (_, params, { db, user }) => {
   const submitNewAnswer = (userId: number) => submitAnswer(db, params, userId)
 
-  return await checkRightsAndResolve({
+  return await checkRightsAndResolve<
+    ServerAnswer,
+    (userId: number) => Promise<ServerAnswer>
+  >({
     controller: submitNewAnswer,
     expected: {
       id: 0,
-      self: true
+      self: true,
     },
-    user
+    user,
   })
 }
 
@@ -108,7 +114,7 @@ const QuestionResolver: QuestionResolvers = {
       return 'ChoisesQuestion'
     }
     return 'InputQuestion'
-  }
+  },
 }
 
 const AnswerResolver: AnswerResolvers = {
@@ -117,7 +123,7 @@ const AnswerResolver: AnswerResolvers = {
     if (obj.type == 'INPUT') return 'InputAnswer'
 
     return null
-  }
+  },
 }
 
 export {
@@ -126,5 +132,5 @@ export {
   formQuery,
   formsQuery,
   formSubmitMutation,
-  QuestionResolver
+  QuestionResolver,
 }

src/resolvers/User.ts

@@ -1,7 +1,7 @@
 import {
   checkRightsAndResolve,
   findUserBy,
-  genAndSendToken
+  genAndSendToken,
 } from '../controllers'
 import { createUser } from '../controllers/user'
 import {
@@ -10,7 +10,7 @@ import {
   Resolver,
   ServerAnswer,
   User,
-  QueryUserArgs
+  QueryUserArgs,
 } from '../typeDefs/typeDefs.gen'
 import { ApolloContextType } from '../types'
 
@@ -23,6 +23,8 @@ const loginMutation: Resolver<
   try {
     const user = await findUserBy(db, { email })
 
+    if (user instanceof Error) throw user // Needed to fix a strange error
+
     await genAndSendToken(email, user)
 
     return { success: true }
@@ -40,6 +42,8 @@ const registerMutation: Resolver<
   try {
     const user = await createUser(db, { email, name })
 
+    if (user instanceof Error) throw user // Needed to fix a strange error
+
     await genAndSendToken(email, user)
 
     return { success: true }
@@ -60,9 +64,9 @@ const userQuery: Resolver<User, {}, ApolloContextType, QueryUserArgs> = async (
       controller: findUserById,
       expected: {
         id: id || 0,
-        self: true
+        self: true,
       },
-      user
+      user,
     })
   } catch (err) {
     return err

src/resolvers/index.ts

@@ -5,28 +5,28 @@ import {
   AnswerResolver as Answer,
   formsQuery as forms,
   createFormMutation as createForm,
-  formSubmitMutation as formSubmit
+  formSubmitMutation as formSubmit,
 } from './Form'
 import {
   loginMutation as login,
   registerMutation as register,
-  userQuery as user
+  userQuery as user,
 } from './User'
 
 const resolvers: Resolvers = {
   Query: {
     form,
     forms,
-    user
+    user,
   },
   Mutation: {
     login,
     register,
     createForm,
-    formSubmit
+    formSubmit,
   },
   Question,
-  Answer
+  Answer,
 }
 
 export default resolvers

src/typeDefs/typeDefs.gql

@@ -15,7 +15,7 @@ type Form {
   author: User
   dateCreated: String!
   id: Int!
-  questions: [Question!]!
+  questions: [Question!]
   submissions: [FormSubmission!]
   title: String!
 }
@@ -42,9 +42,11 @@ type InputQuestion implements Question {
 }
 
 type FormSubmission {
+  user: User
   answers: [Answer!]!
   date: String!
   id: Int!
+  form: Form
 }
 
 interface Answer {
@@ -77,6 +79,7 @@ type User {
   forms: [Form!]
   id: Int!
   name: String!
+  formSubmissions: [FormSubmission!]
 }
 
 type serverAnswer {

tsconfig.json

@@ -4,11 +4,13 @@
     "module": "CommonJS" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
     "strict": true /* Enable all strict type-checking options. */,
     "outDir": "dist",
+    "noImplicitAny": false,
     "moduleResolution": "Node",
+    "baseUrl": "src",
     "incremental": true,
     "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
     "skipLibCheck": true /* Skip type checking of declaration files. */,
     "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
   },
-  "include": ["src"]
+  "include": ["src/**/*"]
 }