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…l rating statistics
…overall rating statistics
…, and overall rating statistics
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This pull request introduces new analytics functionality for the ratings system, including endpoints for retrieving rating distribution, recent ratings, and overall rating statistics. It also adds corresponding data transfer objects (DTOs) and implements the necessary logic in the service and repository layers.
New Analytics Endpoints:
rating_endpoints.py:/distribution: Returns the distribution of ratings across values 1-5 using theRatingDistributionDTO./recent: Retrieves the most recent ratings, including user and item information, using theRecentRatingDTO./stats: Provides overall rating statistics, such as the average rating, total count, and top category, using theRatingStatsDTO.Data Transfer Objects (DTOs):
rating_dto.py:RatingDistributionDTO: Represents the count of ratings for each value (1-5).RecentRatingDTO: Represents recent ratings with fields for rating value, item name, user name, and creation date.RatingStatsDTO: Encapsulates average rating, total count, and the top category (usingTopCategoryDTO).Service Layer Enhancements:
RatingService:get_rating_distribution: Fetches the distribution of ratings.get_recent_ratings: Retrieves the most recent ratings with user and item details.get_rating_stats: Computes overall rating statistics, including average rating and top category.Repository Layer Enhancements:
RatingRepository:get_rating_distribution: Queries the database for the count of ratings grouped by value (1-5) and ensures all values are represented.get_recent_ratings: Retrieves the most recent ratings with associated user and item information using SQLAlchemy joins.get_rating_stats: Calculates average rating, total count, and identifies the category with the most ratings.