bug fix and improvment remove driver

models/bus.go

@@ -0,0 +1,56 @@
+package models
+
+import "slices"
+
+// bus model
+type Bus struct {
+	Name    string `json:"name"`
+	Address []uint `json:"address,omitempty"` // address of bus
+	Topic   *Topic `json:"topic,omitempty"`   // address of bus
+}
+
+func (b *Bus) AddAddress(address ...uint) {
+	for _, a := range address {
+		if slices.Contains(b.Address, a) {
+			continue
+		}
+		b.Address = append(b.Address, a)
+		slices.Sort(b.Address)
+	}
+}
+
+func (b *Bus) AddSubscription(sub ...string) {
+	if b.Topic == nil {
+		b.Topic = &Topic{}
+	}
+	b.Topic.AddSubscription(sub...)
+}
+
+func (b *Bus) AddPublish(pub ...string) {
+	if b.Topic == nil {
+		b.Topic = &Topic{}
+	}
+	b.Topic.AddPublish(pub...)
+}
+
+func (b *Bus) RemoveAddress(address ...uint) {
+	if len(b.Address) == 1 {
+		b.Address = []uint{}
+		return
+	}
+	for _, toDelete := range address {
+		for i, a := range b.Address {
+			if a == toDelete {
+				b.Address = slices.Delete(b.Address, i, i+1)
+			}
+		}
+	}
+}
+
+func (b *Bus) RemoveSubscription(sub ...string) {
+	b.Topic.RemoveSubscription(sub...)
+}
+
+func (b *Bus) RemovePublish(pub ...string) {
+	b.Topic.RemovePublish(pub...)
+}

models/driver.go

@@ -0,0 +1,71 @@
+package models
+
+// driver model
+type Driver struct {
+	Type  string `json:"type"`            // driver type name of driver in collection
+	Buses []*Bus `json:"buses,omitempty"` // name of driver bus
+}
+
+func (d *Driver) AddNewBus(name string) *Bus {
+	for _, b := range d.Buses {
+		if b.Name == name {
+			return b
+		}
+	}
+	b := &Bus{Name: name}
+	d.Buses = append(d.Buses, b)
+	return b
+}
+
+func (d *Driver) AddBuses(buses []*Bus) {
+next:
+	for _, newBus := range buses {
+		for _, currentBus := range d.Buses {
+			if currentBus.Name != newBus.Name {
+				continue
+			}
+			currentBus.AddAddress(newBus.Address...)
+			if newBus.Topic == nil {
+				continue next
+			}
+			currentBus.AddSubscription(newBus.Topic.Subscribe...)
+			currentBus.AddPublish(newBus.Topic.Publish...)
+			continue next
+		}
+		d.Buses = append(d.Buses, newBus)
+	}
+}
+
+func (d *Driver) RemoveBuses(buses []*Bus) {
+	for _, bus := range buses {
+		for i := 0; i < len(d.Buses); i++ {
+			currentBus := d.Buses[i]
+			if currentBus.Name != bus.Name {
+				continue
+			}
+
+			currentBus.RemoveAddress(bus.Address...)
+
+			shouldRemove := true
+			if bus.Topic != nil {
+				currentBus.RemoveSubscription(bus.Topic.Subscribe...)
+				currentBus.RemovePublish(bus.Topic.Publish...)
+				shouldRemove = len(currentBus.Topic.Subscribe) == 0 && len(currentBus.Topic.Publish) == 0
+			}
+			if len(currentBus.Address) == 0 && shouldRemove {
+				d.Buses = append(d.Buses[:i], d.Buses[i+1:]...)
+				i-- // adjust index after removal
+			}
+			break
+		}
+	}
+}
+
+func (d *Driver) GetBus(name string) *Bus {
+	for _, b := range d.Buses {
+		if b.Name == name {
+			return b
+		}
+	}
+	return nil
+}

models/drivers.go

@@ -3,23 +3,34 @@ package models
 // collection of drivers ordered in map
 type Drivers map[string]*Driver
 
-// driver model
-type Driver struct {
-	Type    string `json:"type,omitempty"` // driver type name of driver in collection
-	Bus     string `json:"bus"`            // name of driver bus
-	Address uint   `json:"address"`        // address of bus
+func (d *Drivers) AddNewDriver(typ string) *Driver {
+	if drv, ok := (*d)[typ]; ok {
+		return drv
+	}
+	drv := &Driver{Type: typ}
+	(*d)[typ] = drv
+	return drv
 }
 
-// returns a new collection of drivers
-func NewDrivers() Drivers {
-	return make(Drivers)
+func (d *Drivers) AddDriver(drv *Driver) {
+	if driver, ok := (*d)[drv.Type]; ok {
+		driver.AddBuses(drv.Buses)
+		return
+	}
+	(*d)[drv.Type] = drv
 }
 
-// Add new driver to driver collection
-// typ is the name of the driver in driver collection
-func (d *Drivers) AddDriver(typ, bus string, address uint) {
-	(*d)[typ] = &Driver{
-		Bus:     bus,
-		Address: address,
+func (d *Drivers) RemoveDriver(drv *Driver) {
+	if driver, ok := (*d)[drv.Type]; ok {
+		driver.RemoveBuses(drv.Buses)
+	}
+	d.CleanEmptyDrivers()
+}
+
+func (d *Drivers) CleanEmptyDrivers() {
+	for key, drv := range *d {
+		if len(drv.Buses) == 0 {
+			delete(*d, key)
+		}
 	}
 }

models/get.go

@@ -10,7 +10,7 @@ type Get struct {
 	Drivers  *Drivers  `json:"drivers,omitempty"`  // assigned drivers
 	Type     Type      `json:"type,omitempty"`     // dbm datatype
 	Value    any       `json:"value,omitempty"`    // dbm value
-	HasChild bool      `json:"hasChild,omitempty"` // inidicates path has child/ren
+	HasChild bool      `json:"hasChild,omitempty"` // inidicates path has children
 	Rights   Rights    `json:"rights,omitempty"`   // dbm read /write rights
 }
 

models/publish.go

@@ -9,11 +9,12 @@ import (
 
 // publish model
 type Publish struct {
-	Event string    `json:"event,omitempty"` // publish event onCreate|onChange|onDelete
-	Uuid  uuid.UUID `json:"uuid,omitempty"`  //  universally unique identifier
-	Path  string    `json:"path,omitempty"`  // dbm path
-	Type  Type      `json:"type,omitempty"`  // dbm datatype
-	Value any       `json:"value,omitempty"` // dbm value
+	Event   string    `json:"event,omitempty"`   // publish event onCreate|onChange|onDelete
+	Uuid    uuid.UUID `json:"uuid,omitempty"`    //  universally unique identifier
+	Drivers *Drivers  `json:"drivers,omitempty"` // assigned drivers
+	Path    string    `json:"path,omitempty"`    // dbm path
+	Type    Type      `json:"type,omitempty"`    // dbm datatype
+	Value   any       `json:"value,omitempty"`   // dbm value
 }
 
 // returns input parameter as assigned dbm datatype

models/set.go

@@ -4,16 +4,16 @@ import "github.com/google/uuid"
 
 // Set model
 type Set struct {
-	Uuid    uuid.UUID `json:"uuid,omitempty"`    //  universally unique identifier
-	Path    string    `json:"path"`              // dbm path
-	Driver  *Driver   `json:"driver,omitempty"`  // assign new driver
-	Drivers *Drivers  `json:"drivers,omitempty"` // assigned drivers
-	Type    Type      `json:"type,omitempty"`    // dbm datatype
-	Value   any       `json:"value,omitempty"`   // dbm value
-	Rights  Rights    `json:"rights,omitempty"`  // dbm read /write rights
-	Create  bool      `json:"create,omitempty"`  // dbm create new datapoint
-	Rename  bool      `json:"rename,omitempty"`
-	Updated bool      `json:"-"`
+	Uuid     uuid.UUID `json:"uuid,omitempty"`     //  universally unique identifier
+	Path     string    `json:"path"`               // dbm path
+	Driver   *Driver   `json:"driver,omitempty"`   // assign new driver
+	Drivers  *Drivers  `json:"drivers,omitempty"`  // assigned drivers
+	Type     Type      `json:"type,omitempty"`     // dbm datatype
+	Value    any       `json:"value,omitempty"`    // dbm value
+	Rights   Rights    `json:"rights,omitempty"`   // dbm read /write rights
+	Create   bool      `json:"create,omitempty"`   // dbm create new datapoint
+	HasChild bool      `json:"hasChild,omitempty"` // inidicates path has children
+	Updated  bool      `json:"-"`
 }
 
 // sets value and path
@@ -37,10 +37,31 @@ func (s *Set) New(path string, typ Type, value any, rights Rights) {
 }
 
 // sets new driver typ with bus and address
-func (s *Set) NewDriver(typ, bus string, address uint) {
-	s.Driver = &Driver{
-		Type:    typ,
-		Bus:     bus,
-		Address: address,
+func (s *Set) NewDriverAddress(typ, bus string, address uint) {
+	if s.Drivers == nil {
+		s.Drivers = &Drivers{}
 	}
+	drv := s.Drivers.AddNewDriver(typ)
+	b := drv.AddNewBus(bus)
+	b.AddAddress(address)
+}
+
+// sets new driver typ with bus and subscription
+func (s *Set) NewDriverSubscribe(typ, bus string, sub string) {
+	if s.Drivers == nil {
+		s.Drivers = &Drivers{}
+	}
+	drv := s.Drivers.AddNewDriver(typ)
+	b := drv.AddNewBus(bus)
+	b.AddSubscription(sub)
+}
+
+// sets new driver typ with bus and publish
+func (s *Set) NewDriverPublish(typ, bus string, pub string) {
+	if s.Drivers == nil {
+		s.Drivers = &Drivers{}
+	}
+	drv := s.Drivers.AddNewDriver(typ)
+	b := drv.AddNewBus(bus)
+	b.AddPublish(pub)
 }

models/subscription.go

@@ -9,7 +9,7 @@ type Subscription struct {
 	Depth    uint      `json:"depth,omitempty"`    // depth of subscriptions from found path or uuid
 	Value    any       `json:"value,omitempty"`    // current value
 	Rights   Rights    `json:"rights,omitempty"`   // read /write rights
-	HasChild bool      `json:"hasChild,omitempty"` // inidicates path has child/ren
+	HasChild bool      `json:"hasChild,omitempty"` // inidicates path has children
 	Drivers  *Drivers  `json:"drivers,omitempty"`  // assigned drivers
 	Driver   string    `json:"driver,omitempty"`   // driver type to assign this subscription
 	OnCreate bool      `json:"onCreate,omitempty"` // notify at datapoint creation

models/topic.go

@@ -0,0 +1,60 @@
+package models
+
+import (
+	"slices"
+)
+
+// topic model
+type Topic struct {
+	Publish   []string `json:"publish,omitempty"`
+	Subscribe []string `json:"subscribe,omitempty"`
+}
+
+func (t *Topic) AddSubscription(subs ...string) {
+	for _, sub := range subs {
+		if slices.Contains(t.Subscribe, sub) {
+			continue
+		}
+		t.Subscribe = append(t.Subscribe, sub)
+		slices.Sort(t.Subscribe)
+	}
+}
+
+func (t *Topic) AddPublish(pubs ...string) {
+	for _, pub := range pubs {
+		if slices.Contains(t.Publish, pub) {
+			continue
+		}
+		t.Subscribe = append(t.Publish, pub)
+		slices.Sort(t.Publish)
+	}
+}
+
+func (t *Topic) RemoveSubscription(subs ...string) {
+	if len(t.Subscribe) == 1 {
+		t.Subscribe = []string{}
+		return
+	}
+
+	for _, toDelete := range subs {
+		for i, a := range t.Subscribe {
+			if a == toDelete {
+				t.Subscribe = slices.Delete(t.Subscribe, i, i+1)
+			}
+		}
+	}
+}
+
+func (t *Topic) RemovePublish(pubs ...string) {
+	if len(t.Publish) == 1 {
+		t.Publish = []string{}
+		return
+	}
+	for _, toDelete := range pubs {
+		for i, a := range t.Publish {
+			if a == toDelete {
+				t.Publish = slices.Delete(t.Publish, i, i+1)
+			}
+		}
+	}
+}