empty group shows up as metric name

[linear]

e.g. group by service_name -> "service1", "service2", "Count"

[linear]

HIG-4751 empty group shows up as metric title

[greptile-apps]

To resolve the issue of empty groups showing up as metric titles, follow these steps:

1. Locate Metric Title Generation: Identify where metric titles are generated in the codebase. This is likely in the GraphQL models or resolvers.

2. Modify Title Generation Logic: Update the logic to handle empty groups correctly. For example, in models_gen.go, locate the relevant struct or method responsible for generating metric titles.

3. Add Conditional Check: Add a conditional check to ensure that empty groups are not included in the metric titles. For instance:

// Example modification in models_gen.go
if group == "" {
    // Handle empty group case
    title = "Unknown Group"
} else {
    title = group
}

4. Regenerate Code: If using code generation tools like gqlgen, ensure to regenerate the code to apply the changes.

5. Test Changes: Verify that the changes correctly handle empty groups and do not show them as metric titles.

References

/backend/private-graph/graph/model/models_gen.go
/backend/private-graph/graph/generated/generated.go

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