Add populate script and artist api

back/prisma/migrations/20221023094610_/migration.sql

@@ -0,0 +1,10 @@
+/*
+  Warnings:
+
+  - Added the required column `midiPath` to the `Song` table without a default value. This is not possible if the table is not empty.
+  - Added the required column `musicXmlPath` to the `Song` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "Song" ADD COLUMN     "midiPath" TEXT NOT NULL,
+ADD COLUMN     "musicXmlPath" TEXT NOT NULL;

back/prisma/migrations/20221024161556_dev/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[name]` on the table `Album` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- CreateIndex
+CREATE UNIQUE INDEX "Album_name_key" ON "Album"("name");

back/prisma/migrations/20221024170544_/migration.sql

@@ -0,0 +1,12 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[name]` on the table `Artist` will be added. If there are existing duplicate values, this will fail.
+  - A unique constraint covering the columns `[name]` on the table `Genre` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- CreateIndex
+CREATE UNIQUE INDEX "Artist_name_key" ON "Artist"("name");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Genre_name_key" ON "Genre"("name");

back/prisma/schema.prisma

@@ -1,87 +1,89 @@
 // This is your Prisma schema file,
 // learn more about it in the docs: https://pris.ly/d/prisma-schema
 generator client {
-  provider = "prisma-client-js"
+    provider = "prisma-client-js"
 }
 
 datasource db {
-  provider = "postgresql"
-  url      = env("DATABASE_URL")
+    provider = "postgresql"
+    url      = env("DATABASE_URL")
 }
 
 model User {
-  id            Int             @id @default(autoincrement())
-  username      String          @unique
-  password      String
-  email         String
-  LessonHistory LessonHistory[]
+    id            Int             @id @default(autoincrement())
+    username      String          @unique
+    password      String
+    email         String
+    LessonHistory LessonHistory[]
 }
 
 model Song {
-  id           Int    @id @default(autoincrement())
-  name         String @unique
-  artistId     Int?
-  artist       Artist? @relation(fields: [artistId], references: [id])
-  albumId      Int?
-  album        Album? @relation(fields: [albumId], references: [id])
-  genreId      Int?
-  genre        Genre?  @relation(fields: [genreId], references: [id])
-  difficulties Json
+    id           Int     @id @default(autoincrement())
+    name         String  @unique
+    midiPath     String
+    musicXmlPath String
+    artistId     Int?
+    artist       Artist? @relation(fields: [artistId], references: [id])
+    albumId      Int?
+    album        Album?  @relation(fields: [albumId], references: [id])
+    genreId      Int?
+    genre        Genre?  @relation(fields: [genreId], references: [id])
+    difficulties Json
 }
 
 model Genre {
-  id   Int    @id @default(autoincrement())
-  name String
+    id   Int    @id @default(autoincrement())
+    name String @unique
 
-  Song Song[]
+    Song Song[]
 }
 
 model Artist {
-  id   Int    @id @default(autoincrement())
-  name String
+    id   Int    @id @default(autoincrement())
+    name String @unique
 
-  Song Song[]
+    Song Song[]
 }
 
 model Album {
-  id   Int    @id @default(autoincrement())
-  name String
+    id   Int    @id @default(autoincrement())
+    name String @unique
 
-  Song Song[]
+    Song Song[]
 }
 
 model Lesson {
-  id            Int             @id @default(autoincrement())
-  name          String
-  description   String
-  requiredLevel Int
-  mainSkill     Skill
-  LessonHistory LessonHistory[]
+    id            Int             @id @default(autoincrement())
+    name          String
+    description   String
+    requiredLevel Int
+    mainSkill     Skill
+    LessonHistory LessonHistory[]
 }
 
 model LessonHistory {
-  lesson   Lesson @relation(fields: [lessonID], references: [id])
-  lessonID Int
-  user     User   @relation(fields: [userID], references: [id])
-  userID   Int
+    lesson   Lesson @relation(fields: [lessonID], references: [id])
+    lessonID Int
+    user     User   @relation(fields: [userID], references: [id])
+    userID   Int
 
-  @@id([lessonID, userID])
+    @@id([lessonID, userID])
 }
 
 enum Skill {
-  TwoHands
-  Rhythm
-  NoteCombo
-  Arpeggio
-  Distance
-  LeftHand
-  RightHand
-  LeadHandChange
-  ChordComplexity
-  ChordTiming
-  Length
-  PedalPoint
-  Precision
+    TwoHands
+    Rhythm
+    NoteCombo
+    Arpeggio
+    Distance
+    LeftHand
+    RightHand
+    LeadHandChange
+    ChordComplexity
+    ChordTiming
+    Length
+    PedalPoint
+    Precision
 
-  @@map("DifficultyPoint")
+    @@map("DifficultyPoint")
 }