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Fix for events aggregation on upload #65

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Merged
jpahm merged 1 commit into from
Apr 9, 2025
Merged

Fix for events aggregation on upload #65

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19 changes: 15 additions & 4 deletions uploader/uploader.go
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Original file line number Diff line number Diff line change
Expand Up @@ -171,8 +171,6 @@ func UploadData[T any](client *mongo.Client, ctx context.Context, fptr *os.File,

// MongoDB aggregation run only when sections changes, instead of as a view where it's run for each query
func buildEvents(client *mongo.Client, ctx context.Context) {
sections := getCollection(client, "sections")

pipeline := mongo.Pipeline{
//separate each meeting
{{Key: "$unwind", Value: "$meetings"}},
Expand Down Expand Up @@ -311,15 +309,28 @@ func buildEvents(client *mongo.Client, ctx context.Context) {
}},
{Key: "buildings", Value: 1},
}}},
//set as events collection
{{Key: "$out", Value: "events"}},
}

sections := getCollection(client, "sections")
cursor, err := sections.Aggregate(ctx, pipeline)
if err != nil {
log.Panic(err)
}
defer cursor.Close(ctx)

events := getCollection(client, "events")
var results []interface{}
if err := cursor.All(ctx, &results); err != nil {
log.Panic(err)
}

if len(results) > 0 {
events.DeleteMany(ctx, bson.D{})
_, err = events.InsertMany(ctx, results)
if err != nil {
log.Panic(err)
}
}

log.Println("Done aggregating events!")
}