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Add an endpoint to fill the description of a file with AI
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package rag | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "net/url" | ||
|
|
||
| "github.com/cozy/cozy-stack/model/instance" | ||
| "github.com/cozy/cozy-stack/model/vfs" | ||
| "github.com/cozy/cozy-stack/pkg/couchdb" | ||
| "github.com/labstack/echo/v4" | ||
| ) | ||
|
|
||
| func AddDescriptionToFile(inst *instance.Instance, file *vfs.FileDoc) (*vfs.FileDoc, error) { | ||
| content, err := inst.VFS().OpenFile(file) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer content.Close() | ||
| description, err := callRAGDescription(inst, content, file.Mime) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| newfile := file.Clone().(*vfs.FileDoc) | ||
| if newfile.Metadata == nil { | ||
| newfile.Metadata = make(map[string]interface{}) | ||
| } | ||
| newfile.Metadata["description"] = description | ||
| if err := couchdb.UpdateDocWithOld(inst, newfile, file); err != nil { | ||
| return nil, err | ||
| } | ||
| return newfile, nil | ||
| } | ||
|
|
||
| func callRAGDescription(inst *instance.Instance, content io.Reader, mime string) (string, error) { | ||
| ragServer := inst.RAGServer() | ||
| if ragServer.URL == "" { | ||
| return "", errors.New("no RAG server configured") | ||
| } | ||
| u, err := url.Parse(ragServer.URL) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| u.Path = "/description" | ||
| req, err := http.NewRequest(http.MethodPost, u.String(), content) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| req.Header.Add(echo.HeaderAuthorization, "Bearer "+ragServer.APIKey) | ||
| req.Header.Add("Content-Type", mime) | ||
| res, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| defer res.Body.Close() | ||
| if res.StatusCode >= 300 { | ||
| return "", fmt.Errorf("POST status code: %d", res.StatusCode) | ||
| } | ||
| var data struct { | ||
| Description string `json:"description"` | ||
| } | ||
| if err := json.NewDecoder(res.Body).Decode(&data); err != nil { | ||
| return "", err | ||
| } | ||
| if data.Description == "" { | ||
| return "", errors.New("no description") | ||
| } | ||
| return data.Description, nil | ||
| } |
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