64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
package models
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import (
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"fmt"
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"strings"
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)
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// maps to frontend/src/app/models/widget/dashboard-widget-query.ts
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type QueryResource struct {
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Use string `json:"use"`
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Select []string `json:"select"`
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From string `json:"from"`
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Where map[string]interface{} `json:"where"`
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//aggregation fields
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Aggregations *QueryResourceAggregations `json:"aggregations"`
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}
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type QueryResourceAggregations struct {
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CountBy string `json:"count_by"` //alias for both groupby and orderby, cannot be used together
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GroupBy string `json:"group_by"`
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OrderBy string `json:"order_by"`
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}
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func (q *QueryResource) Validate() error {
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if len(q.Use) > 0 {
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return fmt.Errorf("'use' is not supported yet")
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}
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if len(q.From) == 0 {
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return fmt.Errorf("'from' is required")
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}
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if q.Aggregations != nil {
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if len(q.Select) > 0 {
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return fmt.Errorf("cannot use 'select' and 'aggregations' together")
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}
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if len(q.Aggregations.CountBy) > 0 {
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if len(q.Aggregations.GroupBy) > 0 {
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return fmt.Errorf("cannot use 'count_by' and 'group_by' together")
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}
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if len(q.Aggregations.OrderBy) > 0 {
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return fmt.Errorf("cannot use 'count_by' and 'order_by' together")
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}
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}
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if len(q.Aggregations.CountBy) == 0 && len(q.Aggregations.OrderBy) == 0 && len(q.Aggregations.GroupBy) == 0 {
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return fmt.Errorf("aggregations must have at least one of 'count_by', 'group_by', or 'order_by'")
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}
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if strings.Contains(q.Aggregations.CountBy, " ") {
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return fmt.Errorf("count_by cannot have spaces (or aliases)")
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}
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if strings.Contains(q.Aggregations.GroupBy, " ") {
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return fmt.Errorf("group_by cannot have spaces (or aliases)")
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}
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if strings.Contains(q.Aggregations.OrderBy, " ") {
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return fmt.Errorf("order_by cannot have spaces (or aliases)")
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}
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}
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return nil
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}
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