Bug fixes and refactoring

server/prisma/schema.migrate.prisma

@@ -0,0 +1,118 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+
+
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id           String   @id @default(uuid())
+  email        String   @unique
+  password     String
+  role         String   @default("USER") // USER, ADMIN
+  isFirstLogin Boolean  @default(true)
+  isBlocked    Boolean  @default(false)
+  createdAt    DateTime @default(now())
+  updatedAt    DateTime @updatedAt
+
+  profile      UserProfile?
+  sessions     WorkoutSession[]
+  exercises    Exercise[]
+  plans        WorkoutPlan[]
+  weightRecords BodyWeightRecord[]
+}
+
+model BodyWeightRecord {
+  id        String   @id @default(uuid())
+  userId    String
+  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  weight    Float
+  date      DateTime @default(now())
+  dateStr   String   // YYYY-MM-DD for unique constraint
+
+  @@unique([userId, dateStr])
+}
+
+model UserProfile {
+  id     String @id @default(uuid())
+  userId String @unique
+  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
+  weight    Float?
+  height    Float?
+  gender    String?
+  birthDate DateTime?
+  language  String?   @default("en")
+}
+
+model Exercise {
+  id                   String   @id @default(uuid())
+  userId               String?  // Null means system default
+  user                 User?    @relation(fields: [userId], references: [id], onDelete: Cascade)
+  name                 String
+  type                 String   // STRENGTH, CARDIO, BODYWEIGHT, STATIC
+  bodyWeightPercentage Float?   @default(0)
+  isArchived           Boolean  @default(false)
+  isUnilateral         Boolean  @default(false)
+  
+  sets                 WorkoutSet[]
+  planExercises        PlanExercise[]
+}
+
+model WorkoutSession {
+  id             String   @id @default(uuid())
+  userId         String
+  user           User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  startTime      DateTime
+  endTime        DateTime?
+  userBodyWeight Float?
+  note           String?
+  planId         String?
+  planName       String?
+  type           String   @default("STANDARD") // STANDARD, QUICK_LOG
+  
+  sets           WorkoutSet[]
+}
+
+model WorkoutSet {
+  id             String         @id @default(uuid())
+  sessionId      String
+  session        WorkoutSession @relation(fields: [sessionId], references: [id], onDelete: Cascade)
+  exerciseId     String
+  exercise       Exercise       @relation(fields: [exerciseId], references: [id])
+  
+  order          Int
+  weight         Float?
+  reps           Int?
+  distanceMeters Float?
+  durationSeconds Int?
+  height         Float?
+  bodyWeightPercentage Float?
+  completed      Boolean        @default(true)
+  side           String?        // LEFT, RIGHT, or null for bilateral
+  timestamp      DateTime       @default(now())
+}
+
+model WorkoutPlan {
+  id          String   @id @default(uuid())
+  userId      String
+  user        User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  name        String
+  description String?
+  exercises   String?  // JSON string of exercise IDs (Deprecated, to be removed)
+  planExercises PlanExercise[]
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+}
+
+model PlanExercise {
+  id           String      @id @default(uuid())
+  planId       String
+  plan         WorkoutPlan @relation(fields: [planId], references: [id], onDelete: Cascade)
+  exerciseId   String
+  exercise     Exercise    @relation(fields: [exerciseId], references: [id])
+  order        Int
+  isWeighted   Boolean     @default(false)
+}