GraphQL: Optimized dataloaders by adding a 'priming' mechanic to make fewer trips to the database.

graphql/resolver/queries/logs.go

@@ -2,7 +2,9 @@ package queries
 
 import (
 	"context"
+	"errors"
 
+	"git.aiterp.net/rpdata/api/graphql/loader"
 	"git.aiterp.net/rpdata/api/graphql/resolver/types"
 	"git.aiterp.net/rpdata/api/model/log"
 )
@@ -70,6 +72,18 @@ func (r *QueryResolver) Logs(ctx context.Context, args *LogsArgs) ([]*types.LogR
 		}
 	}
 
+	if len(logs) >= 100 {
+		loader := loader.FromContext(ctx)
+		if loader == nil {
+			return nil, errors.New("no loader")
+		}
+
+		for _, log := range logs {
+			loader.PrimeCharacters("id", log.CharacterIDs...)
+			loader.PrimeChannels("name", log.Channel)
+		}
+	}
+
 	resolvers := make([]*types.LogResolver, len(logs))
 	for i := range logs {
 		resolvers[i] = &types.LogResolver{L: logs[i]}