ollama/templates/template.go
2024-06-06 16:03:47 -07:00

69 lines
1.1 KiB
Go

package templates
import (
"bytes"
"embed"
"encoding/json"
"errors"
"io"
"math"
"sync"
"github.com/agnivade/levenshtein"
)
//go:embed index.json
var indexBytes []byte
//go:embed *.gotmpl
var templatesFS embed.FS
var templatesOnce = sync.OnceValues(func() ([]*Template, error) {
var templates []*Template
if err := json.Unmarshal(indexBytes, &templates); err != nil {
return nil, err
}
for _, t := range templates {
bts, err := templatesFS.ReadFile(t.Name + ".gotmpl")
if err != nil {
return nil, err
}
t.Bytes = bts
}
return templates, nil
})
type Template struct {
Name string `json:"name"`
Template string `json:"template"`
Bytes []byte
}
func (t Template) Reader() io.Reader {
return bytes.NewReader(t.Bytes)
}
func NamedTemplate(s string) (*Template, error) {
templates, err := templatesOnce()
if err != nil {
return nil, err
}
var template *Template
score := math.MaxInt
for _, t := range templates {
if s := levenshtein.ComputeDistance(s, t.Template); s < score {
score = s
template = t
}
}
if score < 100 {
return template, nil
}
return nil, errors.New("no matching template found")
}