Favorites #19, Social Media Start #53

bizmatch-server/src/listings/business-listing.service.ts

@@ -1,5 +1,5 @@
 import { BadRequestException, Inject, Injectable } from '@nestjs/common';
-import { and, count, eq, gte, ilike, inArray, lte, ne, or, SQL, sql } from 'drizzle-orm';
+import { and, arrayContains, count, eq, gte, ilike, inArray, lte, ne, or, SQL, sql } from 'drizzle-orm';
 import { NodePgDatabase } from 'drizzle-orm/node-postgres';
 import { WINSTON_MODULE_PROVIDER } from 'nest-winston';
 import { Logger } from 'winston';
@@ -186,7 +186,14 @@ export class BusinessListingService {
 
     return listings.map(l => convertDrizzleBusinessToBusiness(l));
   }
-
+  // #### Find Favorites ########################################
+  async findFavoriteListings(user: JwtUser): Promise<BusinessListing[]> {
+    const userFavorites = await this.conn
+      .select()
+      .from(businesses)
+      .where(arrayContains(businesses.favoritesForUser, [user.username]));
+    return userFavorites.map(l => convertDrizzleBusinessToBusiness(l));
+  }
   // #### CREATE ########################################
   async createListing(data: BusinessListing): Promise<BusinessListing> {
     try {
@@ -236,6 +243,15 @@ export class BusinessListingService {
   async deleteListing(id: string): Promise<void> {
     await this.conn.delete(businesses).where(eq(businesses.id, id));
   }
+  // #### DELETE Favorite ###################################
+  async deleteFavorite(id: string, user: JwtUser): Promise<void> {
+    await this.conn
+      .update(businesses)
+      .set({
+        favoritesForUser: sql`array_remove(${businesses.favoritesForUser}, ${user.username})`,
+      })
+      .where(sql`${businesses.id} = ${id}`);
+  }
   // ##############################################################
   // States
   // ##############################################################