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feat: Refactor database schema to enhance relationships and data types for Company, User, Session, and Message models

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This commit is contained in:
Max Kowalski
2025-06-27 16:05:58 +02:00
parent ab2c75b736
commit d7ac0ba208
3 changed files with 154 additions and 169 deletions
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214
prisma/schema.prisma
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@ -1,74 +1,166 @@
// Database schema, one company = one org, linked to users and CSV config
generator client {
provider = "prisma-client-js"
}
datasource db {
provider = "sqlite"
provider = "sqlite" // still OK for local/dev; use Postgres in prod
url = "file:./dev.db"
}
/**
* ENUMS – fewer magic strings
*/
enum UserRole {
ADMIN
USER
AUDITOR
}
enum SentimentCategory {
POSITIVE
NEUTRAL
NEGATIVE
}
/**
* COMPANY (multi-tenant root)
*/
model Company {
id String @id @default(uuid())
name String
csvUrl String // where to fetch CSV
csvUsername String? // for basic auth
csvPassword String?
sentimentAlert Float? // e.g. alert threshold for negative chats
dashboardOpts String? // JSON blob for per-company dashboard preferences
users User[]
sessions Session[]
createdAt DateTime @default(now())
updatedAt DateTime @updatedAt
}
id String @id @default(uuid())
name String
csvUrl String
csvUsername String?
csvPassword String?
sentimentAlert Float?
dashboardOpts Json? // JSON column instead of opaque string
model User {
id String @id @default(uuid())
email String @unique
password String // hashed, use bcrypt
company Company @relation(fields: [companyId], references: [id])
companyId String
role String // 'admin' | 'user' | 'auditor'
resetToken String?
resetTokenExpiry DateTime?
}
users User[] @relation("CompanyUsers")
sessions Session[]
imports SessionImport[]
model Session {
id String @id
company Company @relation(fields: [companyId], references: [id])
companyId String
startTime DateTime
endTime DateTime
ipAddress String?
country String?
language String?
messagesSent Int?
sentiment Float? // Original sentiment score (float)
sentimentCategory String? // "positive", "neutral", "negative" from OpenAPI
escalated Boolean?
forwardedHr Boolean?
fullTranscriptUrl String?
avgResponseTime Float?
tokens Int?
tokensEur Float?
category String?
initialMsg String?
processed Boolean @default(false) // Flag for post-processing status
questions String? // JSON array of questions asked by user
summary String? // Brief summary of the conversation
messages Message[] // Relation to parsed messages
createdAt DateTime @default(now())
}
model Message {
id String @id @default(uuid())
session Session @relation(fields: [sessionId], references: [id], onDelete: Cascade)
sessionId String
timestamp DateTime // When the message was sent
role String // "User", "Assistant", "System", etc.
content String // The message content
order Int // Order within the conversation (0, 1, 2, ...)
createdAt DateTime @default(now())
@@index([sessionId, order]) // Index for efficient ordering queries
updatedAt DateTime @updatedAt
}
/**
* USER (auth accounts)
*/
model User {
id String @id @default(uuid())
email String @unique
password String
role UserRole @default(USER)
company Company @relation("CompanyUsers", fields: [companyId], references: [id], onDelete: Cascade)
companyId String
resetToken String?
resetTokenExpiry DateTime?
createdAt DateTime @default(now())
updatedAt DateTime @updatedAt
}
/**
* SESSION ↔ SESSIONIMPORT (1-to-1)
*/
/**
* 1. Normalised session ---------------------------
*/
model Session {
id String @id @default(uuid())
company Company @relation(fields: [companyId], references: [id], onDelete: Cascade)
companyId String
/**
* 1-to-1 link back to the import row
*/
import SessionImport? @relation("ImportToSession", fields: [importId], references: [id])
importId String? @unique
/**
* session-level data …
*/
startTime DateTime
endTime DateTime
// … whatever other scalar fields you have here …
/**
* ---------- the missing opposite side ----------
*/
messages Message[] // <-- satisfies Message.session
createdAt DateTime @default(now())
updatedAt DateTime @updatedAt
@@index([companyId, startTime])
}
/**
* 2. Raw CSV row waiting to be processed ----------
*/
enum ImportStatus {
QUEUED
PROCESSING
DONE
ERROR
}
model SessionImport {
id String @id @default(uuid())
company Company @relation(fields: [companyId], references: [id], onDelete: Cascade)
companyId String
/**
* 1-to-1 back-relation; NO fields/references here
*/
session Session? @relation("ImportToSession")
// ─── 16 CSV columns 1-to-1 ────────────────────────
externalSessionId String @unique // value from CSV column 1
startTimeRaw String
endTimeRaw String
ipAddress String?
countryCode String?
language String?
messagesSent Int?
sentimentRaw String?
escalatedRaw String?
forwardedHrRaw String?
fullTranscriptUrl String?
avgResponseTimeSeconds Float?
tokens Int?
tokensEur Float?
category String?
initialMessage String?
// ─── bookkeeping ─────────────────────────────────
status ImportStatus @default(QUEUED)
errorMsg String?
processedAt DateTime?
createdAt DateTime @default(now())
@@unique([companyId, externalSessionId]) // idempotent re-imports
@@index([status])
}
/**
* MESSAGE (individual lines)
*/
model Message {
id String @id @default(uuid())
session Session @relation(fields: [sessionId], references: [id], onDelete: Cascade)
sessionId String
timestamp DateTime
role String // "user" | "assistant" | "system" – free-form keeps migration easy
content String
order Int
createdAt DateTime @default(now())
@@unique([sessionId, order]) // guards against duplicate order values
@@index([sessionId, order])
}