randome quote for a single day

src/random-quote/random-quote.controller.ts

@@ -15,6 +15,12 @@ export class RandomQuoteController {
     }
 
     @Get()
+    async getDailyQuote(): Promise<Quote> {
+        // Use the service to get the daily quote
+        return this.randomQuoteService.findDailyQuote();
+    }
+
+    @Get('all-quotes')
     findAll(): Promise<Quote[]> {
         return this.randomQuoteService.findAll();
     }

src/random-quote/random-quote.service.ts

@@ -16,6 +16,32 @@ export class RandomQuoteService {
         return this.quotesRepository.save(newQuote);
     }
 
+    async findDailyQuote(): Promise<Quote> {
+        // Get the total number of quotes without fetching them all
+        const count = await this.quotesRepository.count();
+
+        if (count === 0) {
+            throw new Error('No quotes found');
+        }
+
+        // Calculate the day of the year (1-365/366)
+        const today = new Date();
+        const start = new Date(today.getFullYear(), 0, 0);
+        const diff = (today as any) - (start as any);
+        const oneDay = 1000 * 60 * 60 * 24;
+        const dayOfYear = Math.floor(diff / oneDay);
+
+        // Select the quote based on the day of the year, using an offset query
+        const quoteIndex = dayOfYear % count;
+        const quote = await this.quotesRepository
+            .createQueryBuilder("quote")
+            .offset(quoteIndex)   // Skip to the correct quote
+            .limit(1)             // Only fetch one quote
+            .getOne();
+
+        return quote;
+    }
+
     findAll(): Promise<Quote[]> {
         return this.quotesRepository.find();
       }