feat(schema): multi-mentor per team + change-requests + per-assignment email field
- MentorAssignment: drop projectId @unique -> composite (projectId, mentorId) - MentorAssignment: add notificationSentAt for idempotent per-team email - MentorFile: add projectId (primary scope); mentorAssignmentId becomes nullable audit FK - MentorChangeRequest: new model + status enum - Migration hand-written with IF EXISTS guards (safe for docker-entrypoint retry)
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Matt
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-- Hand-written migration for PR8 (multi-mentor per team).
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--
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-- All DDL guarded with IF EXISTS / IF NOT EXISTS so the docker-entrypoint
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-- retry loop is safe to re-run. No regex (the 2026-05-07 prod incident was
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-- caused by Prisma 6 generating regex-based DDL that Postgres rejected).
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-- No BEGIN/COMMIT blocks — Prisma wraps the migration in a transaction.
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-- Phase 1: MentorAssignment — drop unique, add composite, add notification field
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ALTER TABLE "MentorAssignment" DROP CONSTRAINT IF EXISTS "MentorAssignment_projectId_key";
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DROP INDEX IF EXISTS "MentorAssignment_projectId_key";
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CREATE UNIQUE INDEX IF NOT EXISTS "MentorAssignment_projectId_mentorId_key"
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ON "MentorAssignment"("projectId", "mentorId");
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CREATE INDEX IF NOT EXISTS "MentorAssignment_projectId_idx"
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ON "MentorAssignment"("projectId");
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ALTER TABLE "MentorAssignment" ADD COLUMN IF NOT EXISTS "notificationSentAt" TIMESTAMP(3);
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-- Phase 2: MentorFile — re-scope to project (two-phase backfill)
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ALTER TABLE "MentorFile" ADD COLUMN IF NOT EXISTS "projectId" TEXT;
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UPDATE "MentorFile" mf
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SET "projectId" = ma."projectId"
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FROM "MentorAssignment" ma
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WHERE mf."mentorAssignmentId" = ma."id"
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AND mf."projectId" IS NULL;
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ALTER TABLE "MentorFile" ALTER COLUMN "projectId" SET NOT NULL;
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ALTER TABLE "MentorFile" DROP CONSTRAINT IF EXISTS "MentorFile_projectId_fkey";
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ALTER TABLE "MentorFile" ADD CONSTRAINT "MentorFile_projectId_fkey"
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FOREIGN KEY ("projectId") REFERENCES "Project"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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CREATE INDEX IF NOT EXISTS "MentorFile_projectId_idx" ON "MentorFile"("projectId");
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-- Phase 2b: Make MentorFile.mentorAssignmentId nullable + switch its FK to SetNull
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ALTER TABLE "MentorFile" ALTER COLUMN "mentorAssignmentId" DROP NOT NULL;
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ALTER TABLE "MentorFile" DROP CONSTRAINT IF EXISTS "MentorFile_mentorAssignmentId_fkey";
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ALTER TABLE "MentorFile" ADD CONSTRAINT "MentorFile_mentorAssignmentId_fkey"
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FOREIGN KEY ("mentorAssignmentId") REFERENCES "MentorAssignment"("id") ON DELETE SET NULL ON UPDATE CASCADE;
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-- Phase 3: MentorChangeRequest table
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-- Postgres < 14 doesn't support CREATE TYPE ... IF NOT EXISTS, so wrap in a
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-- DO block that swallows duplicate_object errors (idempotent for re-runs).
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DO $$ BEGIN
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CREATE TYPE "MentorChangeRequestStatus" AS ENUM ('PENDING', 'RESOLVED', 'DISMISSED');
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EXCEPTION
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WHEN duplicate_object THEN NULL;
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END $$;
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CREATE TABLE IF NOT EXISTS "MentorChangeRequest" (
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"id" TEXT NOT NULL,
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"projectId" TEXT NOT NULL,
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"targetAssignmentId" TEXT,
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"requestedByUserId" TEXT,
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"reason" TEXT NOT NULL,
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"status" "MentorChangeRequestStatus" NOT NULL DEFAULT 'PENDING',
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"resolvedByUserId" TEXT,
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"resolvedAt" TIMESTAMP(3),
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"resolutionNote" TEXT,
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"createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
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"updatedAt" TIMESTAMP(3) NOT NULL,
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CONSTRAINT "MentorChangeRequest_pkey" PRIMARY KEY ("id")
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);
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ALTER TABLE "MentorChangeRequest" DROP CONSTRAINT IF EXISTS "MentorChangeRequest_projectId_fkey";
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ALTER TABLE "MentorChangeRequest" ADD CONSTRAINT "MentorChangeRequest_projectId_fkey"
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FOREIGN KEY ("projectId") REFERENCES "Project"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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ALTER TABLE "MentorChangeRequest" DROP CONSTRAINT IF EXISTS "MentorChangeRequest_targetAssignmentId_fkey";
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ALTER TABLE "MentorChangeRequest" ADD CONSTRAINT "MentorChangeRequest_targetAssignmentId_fkey"
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FOREIGN KEY ("targetAssignmentId") REFERENCES "MentorAssignment"("id") ON DELETE SET NULL ON UPDATE CASCADE;
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ALTER TABLE "MentorChangeRequest" DROP CONSTRAINT IF EXISTS "MentorChangeRequest_requestedByUserId_fkey";
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ALTER TABLE "MentorChangeRequest" ADD CONSTRAINT "MentorChangeRequest_requestedByUserId_fkey"
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FOREIGN KEY ("requestedByUserId") REFERENCES "User"("id") ON DELETE SET NULL ON UPDATE CASCADE;
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ALTER TABLE "MentorChangeRequest" DROP CONSTRAINT IF EXISTS "MentorChangeRequest_resolvedByUserId_fkey";
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ALTER TABLE "MentorChangeRequest" ADD CONSTRAINT "MentorChangeRequest_resolvedByUserId_fkey"
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FOREIGN KEY ("resolvedByUserId") REFERENCES "User"("id") ON DELETE SET NULL ON UPDATE CASCADE;
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CREATE INDEX IF NOT EXISTS "MentorChangeRequest_projectId_idx" ON "MentorChangeRequest"("projectId");
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CREATE INDEX IF NOT EXISTS "MentorChangeRequest_status_idx" ON "MentorChangeRequest"("status");
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CREATE INDEX IF NOT EXISTS "MentorChangeRequest_targetAssignmentId_idx" ON "MentorChangeRequest"("targetAssignmentId");
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@@ -118,7 +118,6 @@ enum NotificationChannel {
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NONE
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}
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enum PartnerVisibility {
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ADMIN_ONLY
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JURY_VISIBLE
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@@ -133,7 +132,6 @@ enum PartnerType {
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OTHER
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}
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// =============================================================================
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// COMPETITION / ROUND ENGINE ENUMS
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// =============================================================================
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@@ -171,7 +169,6 @@ enum ProjectRoundStateValue {
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WITHDRAWN
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}
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enum CapMode {
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HARD
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SOFT
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@@ -428,6 +425,10 @@ model User {
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// Grand-finale logistics
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finalistAttendances AttendingMember[]
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// Mentor change requests
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mentorChangeRequestsRequested MentorChangeRequest[] @relation("MentorChangeRequester")
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mentorChangeRequestsResolved MentorChangeRequest[] @relation("MentorChangeResolver")
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@@index([role])
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@@index([status])
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}
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@@ -629,7 +630,9 @@ model Project {
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assignments Assignment[]
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submittedBy User? @relation("ProjectSubmittedBy", fields: [submittedByUserId], references: [id], onDelete: SetNull)
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teamMembers TeamMember[]
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mentorAssignment MentorAssignment?
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mentorAssignments MentorAssignment[]
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mentorFiles MentorFile[]
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mentorChangeRequests MentorChangeRequest[]
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filteringResults FilteringResult[]
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awardEligibilities AwardEligibility[]
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awardVotes AwardVote[]
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@@ -1270,7 +1273,7 @@ model TeamMember {
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model MentorAssignment {
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id String @id @default(cuid())
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projectId String @unique // One mentor per project
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projectId String // Team can have multiple mentors; uniqueness enforced via composite below
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mentorId String // User with MENTOR role or expertise
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// Assignment tracking
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@@ -1278,6 +1281,9 @@ model MentorAssignment {
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assignedAt DateTime @default(now())
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assignedBy String? // Admin who assigned
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// Per-assignment email idempotency: stamped once the assignment notification email is sent.
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notificationSentAt DateTime?
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// AI assignment metadata
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aiConfidenceScore Float?
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expertiseMatchScore Float?
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@@ -1304,11 +1310,47 @@ model MentorAssignment {
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milestoneCompletions MentorMilestoneCompletion[]
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messages MentorMessage[]
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files MentorFile[]
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changeRequests MentorChangeRequest[] @relation("MentorChangeRequestTarget")
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@@unique([projectId, mentorId])
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@@index([projectId])
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@@index([mentorId])
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@@index([method])
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}
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// =============================================================================
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// MENTOR CHANGE REQUESTS
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// =============================================================================
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enum MentorChangeRequestStatus {
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PENDING
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RESOLVED
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DISMISSED
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}
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model MentorChangeRequest {
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id String @id @default(cuid())
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projectId String
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targetAssignmentId String? // Optional: a specific co-mentor the request is about
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requestedByUserId String?
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reason String @db.Text
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status MentorChangeRequestStatus @default(PENDING)
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resolvedByUserId String?
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resolvedAt DateTime?
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resolutionNote String? @db.Text
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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project Project @relation(fields: [projectId], references: [id], onDelete: Cascade)
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targetAssignment MentorAssignment? @relation("MentorChangeRequestTarget", fields: [targetAssignmentId], references: [id], onDelete: SetNull)
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requestedBy User? @relation("MentorChangeRequester", fields: [requestedByUserId], references: [id], onDelete: SetNull)
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resolvedBy User? @relation("MentorChangeResolver", fields: [resolvedByUserId], references: [id])
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@@index([projectId])
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@@index([status])
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@@index([targetAssignmentId])
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}
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// =============================================================================
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// FILTERING ROUND SYSTEM
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// =============================================================================
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@@ -2449,7 +2491,8 @@ model AssignmentIntent {
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model MentorFile {
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id String @id @default(cuid())
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mentorAssignmentId String
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projectId String // Primary access scope: files belong to the team
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mentorAssignmentId String? // Nullable audit FK: which assignment uploaded; survives mentor drop
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uploadedByUserId String
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fileName String
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@@ -2468,13 +2511,15 @@ model MentorFile {
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createdAt DateTime @default(now())
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// Relations
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mentorAssignment MentorAssignment @relation(fields: [mentorAssignmentId], references: [id], onDelete: Cascade)
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project Project @relation(fields: [projectId], references: [id], onDelete: Cascade, onUpdate: Cascade)
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mentorAssignment MentorAssignment? @relation(fields: [mentorAssignmentId], references: [id], onDelete: SetNull)
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uploadedBy User @relation("MentorFileUploader", fields: [uploadedByUserId], references: [id])
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promotedBy User? @relation("MentorFilePromoter", fields: [promotedByUserId], references: [id])
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promotedFile ProjectFile? @relation("PromotedFromMentorFile", fields: [promotedToFileId], references: [id], onDelete: SetNull)
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comments MentorFileComment[]
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promotionEvents SubmissionPromotionEvent[]
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@@index([projectId])
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@@index([mentorAssignmentId])
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@@index([uploadedByUserId])
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}
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