98 lines
1.9 KiB
Go
98 lines
1.9 KiB
Go
package db
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import (
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"log"
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"go.mongodb.org/mongo-driver/bson"
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)
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type VendorsCount struct {
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Vendor string `bson:"_id" json:"vendor"`
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Count int `bson:"count" json:"count"`
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}
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type ProductClassCount struct {
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ProductClass string `bson:"_id" json:"productClass"`
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Count int `bson:"count" json:"count"`
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}
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type StatusCount struct {
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Status int `bson:"_id" json:"status"`
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Count int `bson:"count" json:"count"`
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}
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func (d *Database) RetrieveVendorsInfo() ([]VendorsCount, error) {
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var results []VendorsCount
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cursor, err := d.devices.Aggregate(d.ctx, []bson.M{
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{
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"$group": bson.M{
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"_id": "$vendor",
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"count": bson.M{"$sum": 1},
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},
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},
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})
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if err != nil {
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log.Println(err)
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return nil, err
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}
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defer cursor.Close(d.ctx)
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if err := cursor.All(d.ctx, &results); err != nil {
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log.Println(err)
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return nil, err
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}
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// for _, result := range results {
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// log.Println(result)
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// }
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return results, nil
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}
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func (d *Database) RetrieveStatusInfo() ([]StatusCount, error) {
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var results []StatusCount
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cursor, err := d.devices.Aggregate(d.ctx, []bson.M{
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{
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"$group": bson.M{
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"_id": "$status",
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"count": bson.M{"$sum": 1},
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},
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},
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})
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if err != nil {
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log.Println(err)
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return nil, err
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}
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defer cursor.Close(d.ctx)
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if err := cursor.All(d.ctx, &results); err != nil {
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log.Println(err)
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return nil, err
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}
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// for _, result := range results {
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// log.Println(result)
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// }
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return results, nil
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}
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func (d *Database) RetrieveProductsClassInfo() ([]ProductClassCount, error) {
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var results []ProductClassCount
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cursor, err := d.devices.Aggregate(d.ctx, []bson.M{
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{
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"$group": bson.M{
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"_id": "$productclass",
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"count": bson.M{"$sum": 1},
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},
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},
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})
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if err != nil {
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log.Println(err)
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return nil, err
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}
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defer cursor.Close(d.ctx)
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if err := cursor.All(d.ctx, &results); err != nil {
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log.Println(err)
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return nil, err
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}
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// for _, result := range results {
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// log.Println(result)
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// }
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return results, nil
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}
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