zoopb/machine.sort.pb.go

// Code generated by go.wit.com/apps/autogenpb DO NOT EDIT.
// This file was autogenerated with autogenpb v0.5.5-2-g6c9a3dd 2025.09.22_0851
//     go install go.wit.com/apps/autogenpb@latest
//
// define which structs (messages) you want to use in the .proto file
// Then sort.pb.go and marshal.pb.go files are autogenerated
//
// autogenpb uses it and has an example .proto file with instructions
//

package zoopb

import (
	"fmt"
	"iter"
	"sort"
	"sync"

	"google.golang.org/protobuf/proto"
)

// a simple global lock
var machineMu sync.RWMutex

func (x *Machines) fixUuid() {
	if x == nil {
		return
	}
	if x.Uuid == "b57e7fac-a8fc-4949-9d50-fa38312dec87" {
		return
	}
	x.Uuid = "b57e7fac-a8fc-4949-9d50-fa38312dec87"
	x.Version = "v0.0.1 go.wit.com/lib/protobuf/zoopb"
}

func NewMachines() *Machines {
	x := new(Machines)
	x.Uuid = "b57e7fac-a8fc-4949-9d50-fa38312dec87"
	x.Version = "v0.0.1 go.wit.com/lib/protobuf/zoopb"
	return x
}

// START SORT

// DEFINE THE Machines SCANNER.
// itializes a new scanner.
func newMachinesScanner(things []*Machines) *MachinesScanner {
	return &MachinesScanner{things: things}
}

type MachinesScanner struct {
	sync.Mutex

	things []*Machines
	index  int
}

func (it *MachinesScanner) Scan() bool {
	if it.index >= len(it.things) {
		return false
	}
	it.Lock()
	it.index++
	it.Unlock()
	return true
}

// Next() returns the next thing in the array
func (it *MachinesScanner) Next() *Machines {
	if it.things[it.index-1] == nil {
		fmt.Println("Next() error in MachinesScanner", it.index)
	}
	return it.things[it.index-1]
}

// END DEFINE THE SCANNER

// DEFINE THE Machine SCANNER.
// itializes a new scanner.
func newMachineScanner(things []*Machine) *MachineScanner {
	return &MachineScanner{things: things}
}

type MachineScanner struct {
	sync.Mutex

	things []*Machine
	index  int
}

func (it *MachineScanner) Scan() bool {
	if it.index >= len(it.things) {
		return false
	}
	it.Lock()
	it.index++
	it.Unlock()
	return true
}

// Next() returns the next thing in the array
func (it *MachineScanner) Next() *Machine {
	if it.things[it.index-1] == nil {
		fmt.Println("Next() error in MachineScanner", it.index)
	}
	return it.things[it.index-1]
}

// END DEFINE THE SCANNER

// sort struct by Hostname
type sortMachineHostname []*Machine

func (a sortMachineHostname) Len() int           { return len(a) }
func (a sortMachineHostname) Less(i, j int) bool { return a[i].Hostname < a[j].Hostname }
func (a sortMachineHostname) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }

// safely returns a slice of pointers to the FRUIT protobufs
func (x *Machines) allMachines() []*Machine {
	x.RLock()
	defer x.RUnlock()

	// Create a new slice to hold pointers to each FRUIT
	var tmp []*Machine
	tmp = make([]*Machine, len(x.Machines))
	for i, p := range x.Machines {
		tmp[i] = p // Copy pointers for safe iteration
	}

	return tmp
}

// safely returns a slice of pointers to the Machine protobufs
func (x *Machines) selectAllMachines() []*Machine {
	x.RLock()
	defer x.RUnlock()

	// Create a new slice to hold pointers to each Machine
	var tmp []*Machine
	tmp = make([]*Machine, len(x.Machines))
	for i, p := range x.Machines {
		tmp[i] = p // Copy pointers for safe iteration
	}

	return tmp
}
func (x *Machines) SortByHostname() *MachineScanner {
	// copy the pointers as fast as possible.
	things := x.selectAllMachines()

	// todo: try slices.SortFunc() instead to see what happens
	sort.Sort(sortMachineHostname(things))
	//    slices.SortFunc(things, func(a, b *Machines) bool {
	//        return a.Hostname < b.Hostname // Sort by ??. let the compiler work it out??
	//    })
	return newMachineScanner(things)
}

// 'for x := range' syntax using the awesome golang 1.24 'iter'
func (x *Machines) IterByHostname() iter.Seq[*Machine] {
	items := x.selectAllMachines()
	sort.Sort(sortMachineHostname(items))
	// log.Println("Made Iter.Seq[] with length", len(items))
	return func(yield func(*Machine) bool) {
		for _, v := range items {
			if !yield(v) {
				return
			}
		}
	}
}

// END SORT

func (x *Machines) Len() int {
	x.RLock()
	defer x.RUnlock()

	return len(x.Machines)
}

// a Append() shortcut (that does Clone() with a mutex) notsure if it really works
func (x *Machines) Append(y *Machine) *Machine {
	x.Lock()
	defer x.Unlock()

	z := proto.Clone(y).(*Machine)
	x.Machines = append(x.Machines, z)

	return z
}

func (x *Machines) All() *MachineScanner {
	MachinePointers := x.selectAllMachines()

	scanner := newMachineScanner(MachinePointers)
	return scanner
}

// Iterate 'for x := range' syntax using the awesome golang 1.24 'iter'
func (x *Machines) IterAll() iter.Seq[*Machine] {
	items := x.selectAllMachines()
	// log.Println("Made All() Iter.Seq[] with length", len(items))
	return func(yield func(*Machine) bool) {
		for _, v := range items {
			if !yield(v) {
				return
			}
		}
	}
}
func (x *Machines) Delete(y *Machine) bool {
	x.Lock()
	defer x.Unlock()

	for i, _ := range x.Machines {
		if x.Machines[i] == y {
			x.Machines[i] = x.Machines[len(x.Machines)-1]
			x.Machines = x.Machines[:len(x.Machines)-1]
			return true
		}
	}
	return false
}

// lookup a Machines by the  Hostname
func (x *Machines) FindByHostname(s string) *Machine {
	if x == nil {
		return nil
	}

	x.RLock()
	defer x.RUnlock()

	for i, _ := range x.Machines {
		if x.Machines[i].Hostname == s {
			return x.Machines[i]
		}
	}
	return nil
}

// returns a Machine if Hostname matches, otherwise create
func (x *Machines) InsertByHostname(y string) *Machine {
	x.Lock()
	defer x.Unlock()

	for _, z := range x.Machines {
		if z.Hostname == y {
			return z
		}
	}

	z := new(Machine)
	z.Hostname = y
	x.Machines = append(x.Machines, z)
	return z
}

func (x *Machines) DeleteByHostname(s string) bool {
	x.Lock()
	defer x.Unlock()

	for i, _ := range x.Machines {
		if x.Machines[i].Hostname == s {
			x.Machines[i] = x.Machines[len(x.Machines)-1]
			x.Machines = x.Machines[:len(x.Machines)-1]
			return true
		}
	}
	return false
}

func (x *Machines) AppendByHostname(y *Machine) bool {
	x.Lock()
	defer x.Unlock()

	for _, p := range x.Machines {
		if p.Hostname == y.Hostname {
			return false
		}
	}

	x.Machines = append(x.Machines, proto.Clone(y).(*Machine))
	return true
}