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Implement group deletion and add group files retrieval

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Added logic to delete a group and update the associated files to have a null group reference. Also implemented a method to retrieve files associated with a group using pagination and search functionality.
This commit is contained in:
Mathis H (Avnyr) 2024-10-14 14:43:50 +02:00
parent 1fc9185afc
commit fc2f437556
Signed by: Mathis
GPG Key ID: DD9E0666A747D126
1 changed files with 42 additions and 8 deletions
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48
apps/backend/src/app/groups/groups.service.ts
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@ -1,13 +1,12 @@
import { Injectable } from "@nestjs/common";
import { Injectable, InternalServerErrorException, NotFoundException } from '@nestjs/common';
import { DbService } from "apps/backend/src/app/db/db.service";
import { FilesGroupTable } from "apps/backend/src/app/db/schema";
import { ilike } from "drizzle-orm";
import { FilesGroupTable, FilesTable } from 'apps/backend/src/app/db/schema';
import { and, eq, ilike } from 'drizzle-orm';
@Injectable()
export class GroupsService {
constructor(private readonly database: DbService) {}
//TODO a method to fetch groups in the database by a specific search with limit, offset and a search field (can be blank)
async getGroupsByName(limit: number, offset: number, search: string) {
return await this.database
.use()
@ -34,13 +33,48 @@ export class GroupsService {
}
//TODO a method to delete a group and place the associated file at a null group reference
async deleteGroup(groupId: string) {}
async deleteGroup(groupId: string) {
const groupInDb = await this.database.use()
.select()
.from(FilesGroupTable)
.where(eq(FilesGroupTable.uuid, groupId))
.prepare("findGroupById")
.execute();
if (groupInDb.length === 0) throw new NotFoundException("Group not found");
// Replace entry by null
await this.database
.use()
.update(FilesTable)
// @ts-ignore
.set({ groupId: null })
.where(eq(FilesTable.groupId, groupId))
.prepare("updateFilesGroupReference")
.execute();
try {
await this.database
.use()
.delete(FilesGroupTable)
.where(eq(FilesGroupTable.uuid, groupId))
return true
} catch (e) {
throw new InternalServerErrorException("Error while deleting group");
}
}
//TODO a method to get the files of a group in the database by a specific search with limit, offset and a search field (can be blank)
async findFilesForGroup(
limit: number,
offset: number,
searchField: string,
groupId: string,
) {}
) {
return await this.database
.use()
.select()
.from(FilesTable)
.where(and(eq(FilesTable.groupId, groupId), ilike(FilesTable.fileName, String(`%${searchField}%`)) ) )
.limit(limit)
.offset(offset)
.prepare('findFilesInGroup')
.execute();
}
}