feature: a very minimal patients feature implemented. it needs lots of improvments though

2026-04-29 13:32:22 +03:30
parent 1128fca81a
commit 6a3addd1ca
19 changed files with 929 additions and 3 deletions
--- a/backend/src/modules/patients/patients.service.ts
+++ b/backend/src/modules/patients/patients.service.ts
@@ -0,0 +1,140 @@
+import { BadRequestException, Injectable, NotFoundException } from '@nestjs/common';
+import { Prisma } from '@prisma/client';
+import { PrismaService } from '../../../prisma/prisma.service';
+import { CreatePatientDto } from './dto/create-patient.dto';
+import { ListPatientsDto } from './dto/list-patients.dto';
+import { UpdatePatientDto } from './dto/update-patient.dto';
+import { CreateTreatmentHistoryDto } from './dto/create-treatment-history.dto';
+
+@Injectable()
+export class PatientsService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async create(createPatientDto: CreatePatientDto, organizationId: string) {
+    const patient = await this.prisma.patient.create({
+      data: {
+        ...createPatientDto,
+        dateOfBirth: createPatientDto.dateOfBirth ? new Date(createPatientDto.dateOfBirth) : null,
+        organizationId,
+      },
+    });
+
+    return { success: true, data: patient };
+  }
+
+  async findAll(query: ListPatientsDto, organizationId: string) {
+    const { page = 1, limit = 10, q } = query;
+    const skip = (page - 1) * limit;
+
+    const where: Prisma.PatientWhereInput = {
+      organizationId,
+      ...(q
+        ? {
+            OR: [
+              { firstName: { contains: q, mode: 'insensitive' } },
+              { lastName: { contains: q, mode: 'insensitive' } },
+              { email: { contains: q, mode: 'insensitive' } },
+              { phone: { contains: q, mode: 'insensitive' } },
+            ],
+          }
+        : {}),
+    };
+
+    const [items, total] = await Promise.all([
+      this.prisma.patient.findMany({
+        where,
+        skip,
+        take: limit,
+        orderBy: [{ updatedAt: 'desc' }],
+      }),
+      this.prisma.patient.count({ where }),
+    ]);
+
+    return {
+      success: true,
+      data: {
+        items,
+        pagination: {
+          page,
+          limit,
+          total,
+          totalPages: Math.max(1, Math.ceil(total / limit)),
+        },
+      },
+    };
+  }
+
+  async findOne(id: string, organizationId: string) {
+    const patient = await this.prisma.patient.findFirst({
+      where: { id, organizationId },
+    });
+
+    if (!patient) {
+      throw new NotFoundException('Patient not found');
+    }
+
+    return { success: true, data: patient };
+  }
+
+  async update(id: string, updatePatientDto: UpdatePatientDto, organizationId: string) {
+    await this.ensurePatient(id, organizationId);
+
+    const patient = await this.prisma.patient.update({
+      where: { id },
+      data: {
+        ...updatePatientDto,
+        dateOfBirth: updatePatientDto.dateOfBirth ? new Date(updatePatientDto.dateOfBirth) : undefined,
+      },
+    });
+
+    return { success: true, data: patient };
+  }
+
+  async findTreatments(patientId: string, organizationId: string, limit = 20) {
+    await this.ensurePatient(patientId, organizationId);
+
+    const items = await this.prisma.patientTreatmentHistory.findMany({
+      where: { patientId },
+      orderBy: [{ treatmentAt: 'desc' }],
+      take: limit,
+    });
+
+    return { success: true, data: items };
+  }
+
+  async addTreatment(
+    patientId: string,
+    dto: CreateTreatmentHistoryDto,
+    organizationId: string,
+  ) {
+    await this.ensurePatient(patientId, organizationId);
+
+    const treatment = await this.prisma.patientTreatmentHistory.create({
+      data: {
+        ...dto,
+        treatmentAt: new Date(dto.treatmentAt),
+        patientId,
+      },
+    });
+
+    return { success: true, data: treatment };
+  }
+
+  private async ensurePatient(id: string, organizationId: string) {
+    const patient = await this.prisma.patient.findFirst({
+      where: { id, organizationId },
+      select: { id: true },
+    });
+
+    if (!patient) {
+      throw new NotFoundException('Patient not found');
+    }
+  }
+
+  getOrganizationIdFromUser(user: { organizationId?: string }) {
+    if (!user?.organizationId) {
+      throw new BadRequestException('Organization is not selected');
+    }
+    return user.organizationId;
+  }
+}