139 lines
3.2 KiB
Go
139 lines
3.2 KiB
Go
package calls
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import (
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"fmt"
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"time"
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"dynatron.me/x/stillbox/internal/audio"
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"dynatron.me/x/stillbox/pkg/auth"
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"dynatron.me/x/stillbox/pkg/pb"
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"dynatron.me/x/stillbox/pkg/talkgroups"
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"github.com/google/uuid"
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"google.golang.org/protobuf/types/known/timestamppb"
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)
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type CallDuration time.Duration
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func (d CallDuration) Duration() time.Duration {
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return time.Duration(d)
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}
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func (d CallDuration) MsInt32Ptr() *int32 {
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if time.Duration(d) == 0 {
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return nil
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}
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i := int32(time.Duration(d).Milliseconds())
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return &i
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}
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func (d CallDuration) Seconds() int32 {
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return int32(time.Duration(d).Seconds())
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}
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type Call struct {
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ID uuid.UUID `form:"-"`
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Audio []byte `form:"audio" filenameField:"AudioName"`
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AudioName string `form:"audioName"`
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AudioType string `form:"audioType"`
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Duration CallDuration `form:"-"`
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DateTime time.Time `form:"dateTime"`
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Frequencies []int `form:"frequencies"`
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Frequency int `form:"frequency"`
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Patches []int `form:"patches"`
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Source int `form:"source"`
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Sources []int `form:"sources"`
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System int `form:"system"`
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Submitter *auth.UserID `form:"-"`
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SystemLabel string `form:"systemLabel"`
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Talkgroup int `form:"talkgroup"`
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TalkgroupGroup *string `form:"talkgroupGroup"`
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TalkgroupLabel *string `form:"talkgroupLabel"`
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TGAlphaTag *string `form:"talkgroupTag"` // not 1:1
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shouldStore bool `form:"-"`
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}
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func (c *Call) String() string {
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return fmt.Sprintf("%s to %d from %d", c.AudioName, c.Talkgroup, c.Source)
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}
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func (c *Call) ShouldStore() bool {
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return c.shouldStore
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}
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func Make(call *Call, dontStore bool) (*Call, error) {
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err := call.computeLength()
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if err != nil {
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return nil, err
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}
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call.shouldStore = dontStore
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call.ID = uuid.New()
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return call, nil
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}
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func toInt64Slice(s []int) []int64 {
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n := make([]int64, len(s))
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for i := range s {
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n[i] = int64(s[i])
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}
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return n
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}
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func toInt32Slice(s []int) []int32 {
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n := make([]int32, len(s))
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for i := range s {
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n[i] = int32(s[i])
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}
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return n
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}
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func (c *Call) ToPB() *pb.Call {
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return &pb.Call{
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Id: c.ID.String(),
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AudioName: c.AudioName,
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AudioType: c.AudioType,
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DateTime: timestamppb.New(c.DateTime),
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System: int32(c.System),
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Talkgroup: int32(c.Talkgroup),
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Source: int32(c.Source),
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Frequency: int64(c.Frequency),
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Frequencies: toInt64Slice(c.Frequencies),
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Patches: toInt32Slice(c.Patches),
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Sources: toInt32Slice(c.Sources),
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Duration: c.Duration.MsInt32Ptr(),
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Audio: c.Audio,
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}
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}
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func (c *Call) computeLength() (err error) {
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var td time.Duration
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switch c.AudioType {
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case "audio/mpeg":
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td, err = audio.MP3Duration(c.Audio)
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if err != nil {
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return fmt.Errorf("mp3: %w", err)
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}
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case "audio/wav":
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td, err = audio.WAVDuration(c.Audio)
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if err != nil {
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return fmt.Errorf("wav: %w", err)
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}
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default:
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return fmt.Errorf("length not implemented for mime type %s", c.AudioType)
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}
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c.Duration = CallDuration(td)
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return nil
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}
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func (c *Call) TalkgroupTuple() talkgroups.ID {
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return talkgroups.TG(c.System, c.Talkgroup)
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}
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