LocalAI/api/gallery.go
2023-05-19 08:31:11 +02:00

150 lines
3.2 KiB
Go

package api
import (
"context"
"fmt"
"io/ioutil"
"net/http"
"sync"
"github.com/go-skynet/LocalAI/pkg/gallery"
"github.com/gofiber/fiber/v2"
"github.com/google/uuid"
"gopkg.in/yaml.v3"
)
type galleryOp struct {
req ApplyGalleryModelRequest
id string
}
type galleryOpStatus struct {
Error error `json:"error"`
Processed bool `json:"processed"`
Message string `json:"message"`
}
type galleryApplier struct {
modelPath string
sync.Mutex
C chan galleryOp
statuses map[string]*galleryOpStatus
}
func newGalleryApplier(modelPath string) *galleryApplier {
return &galleryApplier{
modelPath: modelPath,
C: make(chan galleryOp),
statuses: make(map[string]*galleryOpStatus),
}
}
func (g *galleryApplier) updatestatus(s string, op *galleryOpStatus) {
g.Lock()
defer g.Unlock()
g.statuses[s] = op
}
func (g *galleryApplier) getstatus(s string) *galleryOpStatus {
g.Lock()
defer g.Unlock()
return g.statuses[s]
}
func (g *galleryApplier) start(c context.Context, cm *ConfigMerger) {
go func() {
for {
select {
case <-c.Done():
return
case op := <-g.C:
g.updatestatus(op.id, &galleryOpStatus{Message: "processing"})
updateError := func(e error) {
g.updatestatus(op.id, &galleryOpStatus{Error: e, Processed: true})
}
// Send a GET request to the URL
response, err := http.Get(op.req.URL)
if err != nil {
updateError(err)
continue
}
defer response.Body.Close()
// Read the response body
body, err := ioutil.ReadAll(response.Body)
if err != nil {
updateError(err)
continue
}
// Unmarshal YAML data into a Config struct
var config gallery.Config
err = yaml.Unmarshal(body, &config)
if err != nil {
updateError(fmt.Errorf("failed to unmarshal YAML: %v", err))
continue
}
config.Files = append(config.Files, op.req.AdditionalFiles...)
if err := gallery.Apply(g.modelPath, op.req.Name, &config); err != nil {
updateError(err)
continue
}
// Reload models
if err := cm.LoadConfigs(g.modelPath); err != nil {
updateError(err)
continue
}
g.updatestatus(op.id, &galleryOpStatus{Processed: true, Message: "completed"})
}
}
}()
}
// endpoints
type ApplyGalleryModelRequest struct {
URL string `json:"url"`
Name string `json:"name"`
AdditionalFiles []gallery.File `json:"files"`
}
func getOpStatus(g *galleryApplier) func(c *fiber.Ctx) error {
return func(c *fiber.Ctx) error {
status := g.getstatus(c.Params("uid"))
if status == nil {
return fmt.Errorf("could not find any status for ID")
}
return c.JSON(status)
}
}
func applyModelGallery(modelPath string, cm *ConfigMerger, g chan galleryOp) func(c *fiber.Ctx) error {
return func(c *fiber.Ctx) error {
input := new(ApplyGalleryModelRequest)
// Get input data from the request body
if err := c.BodyParser(input); err != nil {
return err
}
uuid, err := uuid.NewUUID()
if err != nil {
return err
}
g <- galleryOp{
req: *input,
id: uuid.String(),
}
return c.JSON(struct {
ID string `json:"uid"`
StatusURL string `json:"status"`
}{ID: uuid.String(), StatusURL: c.BaseURL() + "/models/jobs/" + uuid.String()})
}
}