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filterflags.go
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filterflags.go
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package filterflags
import (
"fmt"
"github.com/broadinstitute/thelma/internal/thelma/app"
"github.com/broadinstitute/thelma/internal/thelma/cli/flags"
"github.com/broadinstitute/thelma/internal/thelma/state/api/terra"
"github.com/broadinstitute/thelma/internal/thelma/state/api/terra/filter"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"time"
)
type flagValues struct {
template string
nameIncludes string
olderThan time.Duration
}
var flagNames = struct {
template string
nameIncludes string
olderThan string
}{
template: "template",
nameIncludes: "name-includes",
olderThan: "older-than",
}
type filterFlags struct {
options flags.Options
flagVals flagValues
}
// FilterFlags adds bee filtering flags to a cobra command and supports converting those flags to a terra.EnvironmentFilter
type FilterFlags interface {
// AddFlags add bee filtering flags such as --name-includes, --older-than, and --template to a command
AddFlags(*cobra.Command)
// GetFilter should be called during a Run function to get a terra.EnvironemntFilter that matches the given filter flags
GetFilter(thelmaApp app.ThelmaApp) (terra.EnvironmentFilter, error)
}
// NewFilterFlags returns a new filterFlags
func NewFilterFlags(opts ...flags.Option) FilterFlags {
return &filterFlags{
options: flags.AsOptions(opts),
}
}
func (f *filterFlags) AddFlags(cobraCommand *cobra.Command) {
f.options.Apply(cobraCommand.Flags(), func(flags *pflag.FlagSet) {
flags.StringVarP(&f.flagVals.template, flagNames.template, "t", "", "Only include BEEs created from the given template")
flags.StringVarP(&f.flagVals.nameIncludes, flagNames.nameIncludes, "i", "", "Only include BEEs with names that include the given substring")
flags.DurationVar(&f.flagVals.olderThan, flagNames.olderThan, 0, "Only include BEEs older than the given duration")
})
}
func (f *filterFlags) GetFilter(thelmaApp app.ThelmaApp) (terra.EnvironmentFilter, error) {
var filters []terra.EnvironmentFilter
state, err := thelmaApp.State()
if err != nil {
return nil, err
}
if f.flagVals.template != "" {
template, err := state.Environments().Get(f.flagVals.template)
if err != nil {
return nil, err
}
if template == nil {
return nil, fmt.Errorf("--%s: no template by the name %q exists", flagNames.template, f.flagVals.template)
}
filters = append(filters, filter.Environments().HasTemplate(template))
}
if f.flagVals.nameIncludes != "" {
filters = append(filters, filter.Environments().NameIncludes(f.flagVals.nameIncludes))
}
if f.flagVals.olderThan > 0 {
filters = append(filters, filter.Environments().OlderThan(f.flagVals.olderThan))
}
return filter.Environments().And(filters...), nil
}