db and auth packages setup

packages/db/schema.ts

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+import { sql, relations } from "drizzle-orm";
+import {
+  pgTable,
+  serial,
+  text,
+  varchar,
+  boolean,
+  timestamp,
+  integer,
+  numeric,
+} from "drizzle-orm/pg-core";
+
+export const students = pgTable("students", {
+  id: serial().primaryKey(),
+  email: text().notNull(),
+  rollNumber: varchar({ length: 12 }),
+  verified: boolean().notNull().default(false),
+  firstName: varchar({ length: 255 }),
+  middleName: varchar({ length: 255 }),
+  lastName: varchar({ length: 255 }),
+  mothersName: varchar({ length: 255 }),
+  phoneNumber: varchar({ length: 10 }),
+  address: text(),
+  profilePicture: text(),
+  degree: text(),
+  branch: text(),
+  year: text(),
+  skills: text()
+    .array()
+    .default(sql`ARRAY[]::text[]`),
+  linkedin: text(),
+  github: text(),
+  ssc: numeric({ precision: 4, scale: 2 }),
+  hsc: numeric({ precision: 4, scale: 2 }),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});
+
+export const internships = pgTable("internships", {
+  id: serial().primaryKey(),
+  studentId: integer("student_id")
+    .notNull()
+    .references(() => students.id),
+  title: text().notNull(),
+  company: text().notNull(),
+  description: text().notNull(),
+  location: text().notNull(),
+  startDate: timestamp().notNull(),
+  endDate: timestamp().notNull(),
+  status: text().notNull(),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});
+
+export const projects = pgTable("projects", {
+  id: serial().primaryKey(),
+  studentId: integer("student_id")
+    .notNull()
+    .references(() => students.id),
+  title: text().notNull(),
+  description: text().notNull(),
+  links: text()
+    .array()
+    .notNull()
+    .default(sql`ARRAY[]::text[]`),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});
+
+export const certificates = pgTable("certificates", {
+  id: serial().primaryKey(),
+  studentId: integer("student_id")
+    .notNull()
+    .references(() => students.id),
+  title: text().notNull(),
+  description: text().notNull(),
+  link: text().notNull(),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});
+
+export const resumes = pgTable("resumes", {
+  id: serial().primaryKey(),
+  studentId: integer("student_id")
+    .notNull()
+    .references(() => students.id),
+  title: text().notNull(),
+  link: text().notNull(),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});
+
+export const grades = pgTable("grades", {
+  id: serial().primaryKey(),
+  studentId: integer("student_id")
+    .notNull()
+    .references(() => students.id),
+  sem: integer().notNull(),
+  sgpi: numeric({ precision: 4, scale: 2 }).notNull(),
+  isKT: boolean().notNull(),
+  deadKT: boolean(),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});
+
+export const studentRelations = relations(students, ({ many }) => ({
+  internships: many(internships),
+  projects: many(projects),
+  certificates: many(certificates),
+  resumes: many(resumes),
+  grades: many(grades),
+}));
+
+export const internshipRelations = relations(internships, ({ one }) => ({
+  student: one(students, {
+    fields: [internships.studentId],
+    references: [students.id],
+  }),
+}));
+
+export const projectRelations = relations(projects, ({ one }) => ({
+  student: one(students, {
+    fields: [projects.studentId],
+    references: [students.id],
+  }),
+}));
+
+export const certificateRelations = relations(certificates, ({ one }) => ({
+  student: one(students, {
+    fields: [certificates.studentId],
+    references: [students.id],
+  }),
+}));
+
+export const resumeRelations = relations(resumes, ({ one, many }) => ({
+  student: one(students, {
+    fields: [resumes.studentId],
+    references: [students.id],
+  }),
+  applications: many(applications),
+}));
+
+export const gradeRelations = relations(grades, ({ one }) => ({
+  student: one(students, {
+    fields: [grades.studentId],
+    references: [students.id],
+  }),
+}));
+
+export const companies = pgTable("companies", {
+  id: serial().primaryKey(),
+  name: text().notNull(),
+  email: text().notNull(),
+  link: text().notNull(),
+  description: text().notNull(),
+  passwordHash: text(),
+  imageURL: text().notNull(),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});
+
+export const jobs = pgTable("jobs", {
+  id: serial().primaryKey(),
+  companyId: integer("company_id")
+    .notNull()
+    .references(() => companies.id),
+  title: text().notNull(),
+  link: text().notNull(),
+  description: text().notNull(),
+  location: text().notNull(),
+  imageURL: text().notNull(),
+  salary: text().notNull(),
+  applicationDeadline: timestamp().notNull(),
+  active: boolean().notNull().default(false),
+  minCGPA: numeric({ precision: 4, scale: 2 }).notNull().default("0"),
+  minSSC: numeric({ precision: 4, scale: 2 }).notNull().default("0"),
+  minHSC: numeric({ precision: 4, scale: 2 }).notNull().default("0"),
+  allowDeadKT: boolean().notNull().default(true),
+  allowLiveKT: boolean().notNull().default(true),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});
+
+export const applications = pgTable("applications", {
+  id: serial().primaryKey(),
+  jobId: integer("job_id")
+    .notNull()
+    .references(() => jobs.id),
+  studentId: integer("student_id")
+    .notNull()
+    .references(() => students.id),
+  resumeId: integer("resume_id")
+    .notNull()
+    .references(() => resumes.id),
+  status: text().notNull().default("pending"),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});
+
+export const comapnyRelations = relations(companies, ({ many }) => ({
+  jobs: many(jobs),
+}));
+
+export const jobsRelations = relations(jobs, ({ one, many }) => ({
+  company: one(companies, {
+    fields: [jobs.companyId],
+    references: [companies.id],
+  }),
+  applications: many(applications),
+}));
+
+export const applicationsRelations = relations(applications, ({ one }) => ({
+  job: one(jobs, {
+    fields: [applications.jobId],
+    references: [jobs.id],
+  }),
+  student: one(students, {
+    fields: [applications.studentId],
+    references: [students.id],
+  }),
+  resume: one(resumes, {
+    fields: [applications.resumeId],
+    references: [resumes.id],
+  }),
+}));
+
+export const admins = pgTable("admins", {
+  id: serial().primaryKey(),
+  email: text().notNull().unique(),
+  createdAt: timestamp().notNull().defaultNow(),
+  updatedAt: timestamp()
+    .defaultNow()
+    .$onUpdate(() => new Date())
+    .notNull(),
+});