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db.getCollection('rate_review').aggregate([ 
 $match:stars:$exists:true,
 $group:_id:"$store_id",count:$sum:"$stars", maxCount:$sum:1,
 $project: _id: 1, rating: 
 
 $divide: [ "$count", 
 
 $multiply: [ "$maxCount", 5 ]
 
 ] 
 ,
 "timestamp":$add:new Date() 
])

return mongoTemplate.aggregate(newAggregation(
 match(Criteria.where("stars").exists(true)),
 group("$storeId").sum("$stars").as("count").sum("$stars").as("maxCount")
 ).withOptions(newAggregationOptions().allowDiskUse(true).build()), StoreReview.class, Object.class).getMappedResults();

db.getCollection('rate_review').aggregate([ 
 $match:stars:$exists:true,
 $group:_id:"$store_id",count:$sum:"$stars", maxCount:$sum:1,
 $project: _id: 1, rating: 
 
 $divide: [ "$count", 
 
 $multiply: [ "$maxCount", 5 ]
 
 ] 
 ,
 "timestamp":$add:new Date() 
])

return mongoTemplate.aggregate(newAggregation(
 match(Criteria.where("stars").exists(true)),
 group("$storeId").sum("$stars").as("count").sum("$stars").as("maxCount")
 ).withOptions(newAggregationOptions().allowDiskUse(true).build()), StoreReview.class, Object.class).getMappedResults();

db.getCollection('rate_review').aggregate([ 
 $match:stars:$exists:true,
 $group:_id:"$store_id",count:$sum:"$stars", maxCount:$sum:1,
 $project: _id: 1, rating: 
 
 $divide: [ "$count", 
 
 $multiply: [ "$maxCount", 5 ]
 
 ] 
 ,
 "timestamp":$add:new Date() 
])

return mongoTemplate.aggregate(newAggregation(
 match(Criteria.where("stars").exists(true)),
 group("$storeId").sum("$stars").as("count").sum("$stars").as("maxCount")
 ).withOptions(newAggregationOptions().allowDiskUse(true).build()), StoreReview.class, Object.class).getMappedResults();

db.getCollection('rate_review').aggregate([ 
 $match:stars:$exists:true,
 $group:_id:"$store_id",count:$sum:"$stars", maxCount:$sum:1,
 $project: _id: 1, rating: 
 
 $divide: [ "$count", 
 
 $multiply: [ "$maxCount", 5 ]
 
 ] 
 ,
 "timestamp":$add:new Date() 
])

return mongoTemplate.aggregate(newAggregation(
 match(Criteria.where("stars").exists(true)),
 group("$storeId").sum("$stars").as("count").sum("$stars").as("maxCount")
 ).withOptions(newAggregationOptions().allowDiskUse(true).build()), StoreReview.class, Object.class).getMappedResults();

Your Answer

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