meals-made-easy-api/src/main/java/app/mealsmadeeasy/api/recipe/job/RecipeEmbeddingJobHandler.java
2026-01-30 16:26:22 -06:00

59 lines
2.2 KiB
Java

package app.mealsmadeeasy.api.recipe.job;
import app.mealsmadeeasy.api.job.Job;
import app.mealsmadeeasy.api.job.JobHandler;
import app.mealsmadeeasy.api.recipe.Recipe;
import app.mealsmadeeasy.api.recipe.RecipeEmbedding;
import app.mealsmadeeasy.api.recipe.RecipeRepository;
import app.mealsmadeeasy.api.recipe.RecipeService;
import app.mealsmadeeasy.api.util.NoSuchEntityWithIdException;
import lombok.RequiredArgsConstructor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.ai.embedding.EmbeddingModel;
import org.springframework.stereotype.Component;
import java.time.OffsetDateTime;
@Component
@RequiredArgsConstructor
public class RecipeEmbeddingJobHandler implements JobHandler<RecipeEmbeddingJobPayload> {
public static final String JOB_KEY = "RECIPE_EMBEDDING";
private static final Logger logger = LoggerFactory.getLogger(RecipeEmbeddingJobHandler.class);
private final RecipeRepository recipeRepository;
private final RecipeService recipeService;
private final EmbeddingModel embeddingModel;
@Override
public Class<RecipeEmbeddingJobPayload> getPayloadType() {
return RecipeEmbeddingJobPayload.class;
}
@Override
public String getJobKey() {
return JOB_KEY;
}
@Override
public void handle(Job job, RecipeEmbeddingJobPayload payload) {
logger.info("Calculating embedding for recipeId {}", payload.recipeId());
final Recipe recipe = this.recipeRepository.findById(payload.recipeId())
.orElseThrow(() -> new NoSuchEntityWithIdException(Recipe.class, payload.recipeId()));
final String renderedMarkdown = this.recipeService.getRenderedMarkdown(recipe);
final String toEmbed = "<h1>" + recipe.getTitle() + "</h1>\n" + renderedMarkdown;
final float[] embedding = this.embeddingModel.embed(toEmbed);
final RecipeEmbedding recipeEmbedding = new RecipeEmbedding();
recipeEmbedding.setRecipe(recipe);
recipeEmbedding.setEmbedding(embedding);
recipeEmbedding.setTimestamp(OffsetDateTime.now());
recipe.setEmbedding(recipeEmbedding);
this.recipeRepository.save(recipe);
logger.info("Finished calculating embedding for recipeId {}", payload.recipeId());
}
}