Move known languages to its own repo

Author: CarsonF

src/components/user/known-language.repository.ts

@@ -0,0 +1,74 @@
+import { Injectable } from '@nestjs/common';
+import { node, relation } from 'cypher-query-builder';
+import { DateTime } from 'luxon';
+import { ID } from '~/common';
+import { DtoRepository } from '~/core';
+import { ACTIVE } from '~/core/database/query';
+import { KnownLanguage, ModifyKnownLanguageArgs } from './dto';
+
+@Injectable()
+export class KnownLanguageRepository extends DtoRepository(KnownLanguage) {
+  async create({
+    userId,
+    languageId,
+    languageProficiency,
+  }: ModifyKnownLanguageArgs) {
+    await this.db
+      .query()
+      .matchNode('user', 'User', { id: userId })
+      .matchNode('language', 'Language', { id: languageId })
+      .create([
+        node('user'),
+        relation('out', '', 'knownLanguage', {
+          active: true,
+          createdAt: DateTime.local(),
+          value: languageProficiency,
+        }),
+        node('language'),
+      ])
+      .run();
+  }
+
+  async delete({
+    userId,
+    languageId,
+    languageProficiency,
+  }: ModifyKnownLanguageArgs) {
+    await this.db
+      .query()
+      .matchNode('user', 'User', { id: userId })
+      .matchNode('language', 'Language', { id: languageId })
+      .match([
+        [
+          node('user'),
+          relation('out', 'rel', 'knownLanguage', {
+            active: true,
+            value: languageProficiency,
+          }),
+          node('language'),
+        ],
+      ])
+      .setValues({
+        'rel.active': false,
+      })
+      .run();
+  }
+
+  async list(userId: ID) {
+    const results = await this.db
+      .query()
+      .match([
+        node('node', 'Language'),
+        relation('in', 'knownLanguageRel', 'knownLanguage', ACTIVE),
+        node('user', 'User', { id: userId }),
+      ])
+      .with('collect(distinct user) as users, node, knownLanguageRel')
+      .raw(`unwind users as user`)
+      .return<KnownLanguage>([
+        'knownLanguageRel.value as proficiency',
+        'node.id as language',
+      ])
+      .run();
+    return results;
+  }
+}

src/components/user/user.module.ts

@@ -9,6 +9,7 @@ import { PartnerModule } from '../partner/partner.module';
 import { TimeZoneModule } from '../timezone';
 import { AssignableRolesResolver } from './assignable-roles.resolver';
 import { EducationModule } from './education/education.module';
+import { KnownLanguageRepository } from './known-language.repository';
 import { KnownLanguageResolver } from './known-language.resolver';
 import { UnavailabilityModule } from './unavailability/unavailability.module';
 import { UserEdgedbRepository } from './user.edgedb.repository';
@@ -36,6 +37,7 @@ import { UserService } from './user.service';
     UserLoader,
     UserService,
     splitDb(UserRepository, UserEdgedbRepository),
+    KnownLanguageRepository,
   ],
   exports: [UserService, UserRepository, EducationModule, UnavailabilityModule],
 })

src/components/user/user.repository.ts

@@ -29,8 +29,6 @@ import { Role } from '../authorization';
 import {
   AssignOrganizationToUser,
   CreatePerson,
-  KnownLanguage,
-  LanguageProficiency,
   RemoveOrganizationFromUser,
   UpdateUser,
   User,
@@ -220,68 +218,6 @@ export class UserRepository extends DtoRepository<typeof User, [Session | ID]>(
     return result!; // result from paginate() will always have 1 row.
   }
 
-  async createKnownLanguage(
-    userId: ID,
-    languageId: ID,
-    languageProficiency: LanguageProficiency,
-  ): Promise<void> {
-    await this.db
-      .query()
-      .matchNode('user', 'User', { id: userId })
-      .matchNode('language', 'Language', { id: languageId })
-      .create([
-        node('user'),
-        relation('out', '', 'knownLanguage', {
-          active: true,
-          createdAt: DateTime.local(),
-          value: languageProficiency,
-        }),
-        node('language'),
-      ])
-      .run();
-  }
-
-  async deleteKnownLanguage(
-    userId: ID,
-    languageId: ID,
-    languageProficiency: LanguageProficiency,
-  ): Promise<void> {
-    await this.db
-      .query()
-      .matchNode('user', 'User', { id: userId })
-      .matchNode('language', 'Language', { id: languageId })
-      .match([
-        [
-          node('user'),
-          relation('out', 'rel', 'knownLanguage', {
-            active: true,
-            value: languageProficiency,
-          }),
-          node('language'),
-        ],
-      ])
-      .setValues({
-        'rel.active': false,
-      })
-      .run();
-  }
-
-  async listKnownLanguages(userId: ID, _session: Session) {
-    const results = await this.db
-      .query()
-      .match([
-        node('node', 'Language'),
-        relation('in', 'knownLanguageRel', 'knownLanguage', ACTIVE),
-        node('user', 'User', { id: userId }),
-      ])
-      .with('collect(distinct user) as users, node, knownLanguageRel')
-      .raw(`unwind users as user`)
-      .return(['knownLanguageRel.value as proficiency', 'node.id as language'])
-      .asResult<KnownLanguage>()
-      .run();
-    return results;
-  }
-
   async doesEmailAddressExist(email: string) {
     const result = await this.db
       .query()

src/components/user/user.resolver.ts

@@ -295,32 +295,20 @@ export class UserResolver {
   })
   async createKnownLanguage(
     @LoggedInSession() session: Session,
-    @Args()
-    { userId, languageId, languageProficiency }: ModifyKnownLanguageArgs,
+    @Args() args: ModifyKnownLanguageArgs,
   ): Promise<User> {
-    await this.userService.createKnownLanguage(
-      userId,
-      languageId,
-      languageProficiency,
-      session,
-    );
-    return await this.userService.readOne(userId, session);
+    await this.userService.createKnownLanguage(args);
+    return await this.userService.readOne(args.userId, session);
   }
 
   @Mutation(() => User, {
     description: 'Delete known language from user',
   })
   async deleteKnownLanguage(
     @LoggedInSession() session: Session,
-    @Args()
-    { userId, languageId, languageProficiency }: ModifyKnownLanguageArgs,
+    @Args() args: ModifyKnownLanguageArgs,
   ): Promise<User> {
-    await this.userService.deleteKnownLanguage(
-      userId,
-      languageId,
-      languageProficiency,
-      session,
-    );
-    return await this.userService.readOne(userId, session);
+    await this.userService.deleteKnownLanguage(args);
+    return await this.userService.readOne(args.userId, session);
   }
 }

src/components/user/user.service.ts

@@ -14,7 +14,6 @@ import { property } from '../../core/database/query';
 import { mapListResults } from '../../core/database/results';
 import { Privileges, Role } from '../authorization';
 import { AssignableRoles } from '../authorization/dto/assignable-roles';
-import { LanguageService } from '../language';
 import {
   LocationListInput,
   LocationService,
@@ -33,19 +32,19 @@ import {
 import {
   AssignOrganizationToUser,
   CreatePerson,
-  KnownLanguage,
+  ModifyKnownLanguageArgs,
   RemoveOrganizationFromUser,
   UpdateUser,
   User,
   UserListInput,
   UserListOutput,
 } from './dto';
-import { LanguageProficiency } from './dto/language-proficiency.enum';
 import {
   EducationListInput,
   EducationService,
   SecuredEducationList,
 } from './education';
+import { KnownLanguageRepository } from './known-language.repository';
 import {
   SecuredUnavailabilityList,
   UnavailabilityListInput,
@@ -63,7 +62,7 @@ export class UserService {
     private readonly unavailabilities: UnavailabilityService,
     private readonly privileges: Privileges,
     private readonly locationService: LocationService,
-    private readonly languageService: LanguageService,
+    private readonly knownLanguages: KnownLanguageRepository,
     private readonly userRepo: UserRepository,
     @Logger('user:service') private readonly logger: ILogger,
   ) {}
@@ -303,56 +302,22 @@ export class UserService {
     );
   }
 
-  async createKnownLanguage(
-    userId: ID,
-    languageId: ID,
-    languageProficiency: LanguageProficiency,
-    _session: Session,
-  ): Promise<void> {
-    try {
-      await this.deleteKnownLanguage(
-        userId,
-        languageId,
-        languageProficiency,
-        _session,
-      );
-      await this.userRepo.createKnownLanguage(
-        userId,
-        languageId,
-        languageProficiency,
-      );
-    } catch (e) {
-      throw new ServerException('Could not create known language', e);
-    }
+  async createKnownLanguage(args: ModifyKnownLanguageArgs) {
+    await this.knownLanguages.delete(args);
+    await this.knownLanguages.create(args);
   }
 
-  async deleteKnownLanguage(
-    userId: ID,
-    languageId: ID,
-    languageProficiency: LanguageProficiency,
-    _session: Session,
-  ): Promise<void> {
-    try {
-      await this.userRepo.deleteKnownLanguage(
-        userId,
-        languageId,
-        languageProficiency,
-      );
-    } catch (e) {
-      throw new ServerException('Could not delete known language', e);
-    }
+  async deleteKnownLanguage(args: ModifyKnownLanguageArgs) {
+    await this.knownLanguages.delete(args);
   }
 
-  async listKnownLanguages(
-    userId: ID,
-    session: Session,
-  ): Promise<readonly KnownLanguage[]> {
+  async listKnownLanguages(userId: ID, session: Session) {
     const user = await this.userRepo.readOne(userId, session);
     const perms = this.privileges.for(session, User, user).all.knownLanguage;
     if (!perms.read) {
       return [];
     }
-    return await this.userRepo.listKnownLanguages(userId, session);
+    return await this.knownLanguages.list(userId);
   }
 
   async checkEmail(email: string): Promise<boolean> {