mirror of
https://github.com/sysadminsmedia/homebox.git
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ProductBarcode: move backend code in dedicated source file
This commit is contained in:
Crumb Owl
293
backend/app/api/handlers/v1/v1_ctrl_product_search.go
Normal file
293
backend/app/api/handlers/v1/v1_ctrl_product_search.go
Normal file
@@ -0,0 +1,293 @@
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package v1
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import (
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"encoding/base64"
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"encoding/json"
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"errors"
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"io"
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"net/http"
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"github.com/hay-kot/httpkit/errchain"
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"github.com/rs/zerolog/log"
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"github.com/sysadminsmedia/homebox/backend/internal/data/repo"
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"github.com/sysadminsmedia/homebox/backend/internal/sys/config"
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"github.com/sysadminsmedia/homebox/backend/internal/web/adapters"
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)
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type UPCITEMDBResponse struct {
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Code string `json:"code"`
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Total int `json:"total"`
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Offset int `json:"offset"`
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Items []struct {
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Ean string `json:"ean"`
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Title string `json:"title"`
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Description string `json:"description"`
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Upc string `json:"upc"`
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Brand string `json:"brand"`
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Model string `json:"model"`
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Color string `json:"color"`
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Size string `json:"size"`
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Dimension string `json:"dimension"`
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Weight string `json:"weight"`
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Category string `json:"category"`
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LowestRecordedPrice float64 `json:"lowest_recorded_price"`
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HighestRecordedPrice float64 `json:"highest_recorded_price"`
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Images []string `json:"images"`
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Offers []struct {
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Merchant string `json:"merchant"`
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Domain string `json:"domain"`
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Title string `json:"title"`
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Currency string `json:"currency"`
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ListPrice string `json:"list_price"`
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Price float64 `json:"price"`
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Shipping string `json:"shipping"`
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Condition string `json:"condition"`
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Availability string `json:"availability"`
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Link string `json:"link"`
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UpdatedT int `json:"updated_t"`
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} `json:"offers"`
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Asin string `json:"asin"`
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Elid string `json:"elid"`
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} `json:"items"`
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}
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type BARCODESPIDER_COMResponse struct {
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ItemResponse struct {
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Code int `json:"code"`
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Status string `json:"status"`
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Message string `json:"message"`
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} `json:"item_response"`
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ItemAttributes struct {
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Title string `json:"title"`
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Upc string `json:"upc"`
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Ean string `json:"ean"`
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ParentCategory string `json:"parent_category"`
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Category string `json:"category"`
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Brand string `json:"brand"`
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Model string `json:"model"`
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Mpn string `json:"mpn"`
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Manufacturer string `json:"manufacturer"`
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Publisher string `json:"publisher"`
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Asin string `json:"asin"`
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Color string `json:"color"`
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Size string `json:"size"`
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Weight string `json:"weight"`
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Image string `json:"image"`
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IsAdult string `json:"is_adult"`
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Description string `json:"description"`
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} `json:"item_attributes"`
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Stores []struct {
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StoreName string `json:"store_name"`
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Title string `json:"title"`
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Image string `json:"image"`
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Price string `json:"price"`
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Currency string `json:"currency"`
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Link string `json:"link"`
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Updated string `json:"updated"`
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} `json:"Stores"`
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}
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// HandleGenerateQRCode godoc
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//
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// @Summary Search EAN from Barcode
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// @Tags Items
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// @Produce json
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// @Param data query string false "barcode to be searched"
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// @Success 200 {object} []repo.BarcodeProduct
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// @Router /v1/getproductfromean [GET]
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// @Security Bearer
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func (ctrl *V1Controller) HandleProductSearchFromEAN(conf config.BarcodeAPIConf) errchain.HandlerFunc {
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type query struct {
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// 4,296 characters is the maximum length of a QR code
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EAN string `schema:"productEAN" validate:"required,max=4296"`
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}
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/*fn := func(r *http.Request, ID uuid.UUID) (repo.ItemOut, error) {
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auth := services.NewContext(r.Context())
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return ctrl.repo.Items.GetOneByGroup(auth, auth.GID, ID)
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}
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return adapters.CommandID("id", fn, http.StatusOK)*/
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return func(w http.ResponseWriter, r *http.Request) error {
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q, err := adapters.DecodeQuery[query](r)
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if err != nil {
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return err
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}
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log.Info().Msg("========================" + q.EAN)
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// Search on UPCITEMDB
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var products []repo.BarcodeProduct
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// www.ean-search.org/: not free
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// Example code: dewalt 5035048748428
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upcitemdb := func(iEan string) ([]repo.BarcodeProduct, error) {
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resp, err := http.Get("https://api.upcitemdb.com/prod/trial/lookup?upc=" + iEan)
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if err != nil {
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return nil, err
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}
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//We Read the response body on the line below.
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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//Convert the body to type string
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sb := string(body)
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log.Info().Msg("Response: " + sb)
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var result UPCITEMDBResponse
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if err := json.Unmarshal(body, &result); err != nil { // Parse []byte to go struct pointer
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log.Error().Msg("Can not unmarshal JSON")
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}
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var res []repo.BarcodeProduct
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for _, it := range result.Items {
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var p repo.BarcodeProduct
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p.SearchEngineName = "upcitemdb.com"
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p.Barcode = iEan
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p.Item.Description = it.Description
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p.Item.Name = it.Title
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p.Manufacturer = it.Brand
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p.ModelNumber = it.Model
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if len(it.Images) != 0 {
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p.ImageURL = it.Images[0]
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}
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res = append(res, p)
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}
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return res, nil
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}
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ps, err := upcitemdb(q.EAN)
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if err != nil {
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log.Error().Msg("Can not retrieve product from upcitemdb.com" + err.Error())
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}
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// Barcode spider implementation
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barcodespider := func(tokenAPI string, iEan string) ([]repo.BarcodeProduct, error) {
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if len(tokenAPI) == 0 {
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return nil, errors.New("no api token configured for barcodespider")
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}
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req, err := http.NewRequest(
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"GET", "https://api.barcodespider.com/v1/lookup?upc="+iEan, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Add("token", tokenAPI)
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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//We Read the response body on the line below.
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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//Convert the body to type string
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sb := string(body)
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log.Info().Msg("Response: " + sb)
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var result BARCODESPIDER_COMResponse
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if err := json.Unmarshal(body, &result); err != nil { // Parse []byte to go struct pointer
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log.Error().Msg("Can not unmarshal JSON")
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}
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// TODO: check 200 code on HTTP repsonse.
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var p repo.BarcodeProduct
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p.Barcode = iEan
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p.SearchEngineName = "barcodespider.com"
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p.Item.Name = result.ItemAttributes.Title
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p.Item.Description = result.ItemAttributes.Description
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p.Manufacturer = result.ItemAttributes.Brand
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p.ModelNumber = result.ItemAttributes.Model
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p.ImageURL = result.ItemAttributes.Image
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var res []repo.BarcodeProduct
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res = append(res, p)
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return res, nil
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}
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ps2, err := barcodespider(conf.TokenBarcodespider, q.EAN)
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if err != nil {
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log.Error().Msg("Can not retrieve product from barcodespider.com: " + err.Error())
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}
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// Merge everything.
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for i := range ps {
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products = append(products, ps[i])
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}
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for i := range ps2 {
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products = append(products, ps2[i])
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}
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// Retrieve images if possible
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for i := range products {
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p := &products[i]
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if len(p.ImageURL) == 0 {
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continue
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}
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res, err := http.Get(p.ImageURL)
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if err != nil {
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log.Warn().Msg("Cannot fetch image for URL: " + p.ImageURL + ": " + err.Error())
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}
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defer res.Body.Close()
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// Read data of image
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bytes, err := io.ReadAll(res.Body)
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if err != nil {
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log.Warn().Msg(err.Error())
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}
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// Convert to Base64
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var base64Encoding string
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// Determine the content type of the image file
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mimeType := http.DetectContentType(bytes)
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// Prepend the appropriate URI scheme header depending
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// on the MIME type
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switch mimeType {
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case "image/jpeg":
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base64Encoding += "data:image/jpeg;base64,"
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case "image/png":
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base64Encoding += "data:image/png;base64,"
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}
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// Append the base64 encoded output
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base64Encoding += base64.StdEncoding.EncodeToString(bytes)
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p.ImageBase64 = base64Encoding
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}
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w.Header().Set("Content-Type", "application/json")
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if len(products) != 0 {
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// Return only the first result for now. Enhance this with a dedicated dialog
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// displaying all the references found?
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return json.NewEncoder(w).Encode(products)
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}
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return nil
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}
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}
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@@ -2,18 +2,12 @@ package v1
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import (
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"bytes"
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"encoding/base64"
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"encoding/json"
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"errors"
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"image/png"
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"io"
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"net/http"
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"net/url"
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"github.com/hay-kot/httpkit/errchain"
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"github.com/rs/zerolog/log"
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"github.com/sysadminsmedia/homebox/backend/internal/data/repo"
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"github.com/sysadminsmedia/homebox/backend/internal/sys/config"
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"github.com/sysadminsmedia/homebox/backend/internal/web/adapters"
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"github.com/yeqown/go-qrcode/v2"
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"github.com/yeqown/go-qrcode/writer/standard"
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@@ -76,294 +70,3 @@ func (ctrl *V1Controller) HandleGenerateQRCode() errchain.HandlerFunc {
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return qrc.Save(qrwriter)
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}
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}
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/*
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ImportRef string `json:"-"`
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ParentID uuid.UUID `json:"parentId" extensions:"x-nullable"`
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Name string `json:"name" validate:"required,min=1,max=255"`
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Quantity int `json:"quantity"`
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Description string `json:"description" validate:"max=1000"`
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AssetID AssetID `json:"-"`
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// Edges
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LocationID uuid.UUID `json:"locationId"`
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LabelIDs []uuid.UUID `json:"labelIds"`
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*/
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type UPCITEMDBResponse struct {
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Code string `json:"code"`
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Total int `json:"total"`
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Offset int `json:"offset"`
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Items []struct {
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Ean string `json:"ean"`
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Title string `json:"title"`
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Description string `json:"description"`
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Upc string `json:"upc"`
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Brand string `json:"brand"`
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Model string `json:"model"`
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Color string `json:"color"`
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Size string `json:"size"`
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Dimension string `json:"dimension"`
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Weight string `json:"weight"`
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Category string `json:"category"`
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LowestRecordedPrice float64 `json:"lowest_recorded_price"`
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HighestRecordedPrice float64 `json:"highest_recorded_price"`
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Images []string `json:"images"`
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Offers []struct {
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Merchant string `json:"merchant"`
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Domain string `json:"domain"`
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Title string `json:"title"`
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Currency string `json:"currency"`
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ListPrice string `json:"list_price"`
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Price float64 `json:"price"`
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Shipping string `json:"shipping"`
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Condition string `json:"condition"`
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Availability string `json:"availability"`
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Link string `json:"link"`
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UpdatedT int `json:"updated_t"`
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} `json:"offers"`
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Asin string `json:"asin"`
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Elid string `json:"elid"`
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} `json:"items"`
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}
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type BARCODESPIDER_COMResponse struct {
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ItemResponse struct {
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Code int `json:"code"`
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Status string `json:"status"`
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Message string `json:"message"`
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||||
} `json:"item_response"`
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ItemAttributes struct {
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Title string `json:"title"`
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Upc string `json:"upc"`
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Ean string `json:"ean"`
|
||||
ParentCategory string `json:"parent_category"`
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Category string `json:"category"`
|
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Brand string `json:"brand"`
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Model string `json:"model"`
|
||||
Mpn string `json:"mpn"`
|
||||
Manufacturer string `json:"manufacturer"`
|
||||
Publisher string `json:"publisher"`
|
||||
Asin string `json:"asin"`
|
||||
Color string `json:"color"`
|
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Size string `json:"size"`
|
||||
Weight string `json:"weight"`
|
||||
Image string `json:"image"`
|
||||
IsAdult string `json:"is_adult"`
|
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Description string `json:"description"`
|
||||
} `json:"item_attributes"`
|
||||
Stores []struct {
|
||||
StoreName string `json:"store_name"`
|
||||
Title string `json:"title"`
|
||||
Image string `json:"image"`
|
||||
Price string `json:"price"`
|
||||
Currency string `json:"currency"`
|
||||
Link string `json:"link"`
|
||||
Updated string `json:"updated"`
|
||||
} `json:"Stores"`
|
||||
}
|
||||
|
||||
// HandleGenerateQRCode godoc
|
||||
//
|
||||
// @Summary Search EAN from Barcode
|
||||
// @Tags Items
|
||||
// @Produce json
|
||||
// @Param data query string false "barcode to be searched"
|
||||
// @Success 200 {object} []repo.BarcodeProduct
|
||||
// @Router /v1/getproductfromean [GET]
|
||||
// @Security Bearer
|
||||
func (ctrl *V1Controller) HandleProductSearchEAN(conf config.BarcodeAPIConf) errchain.HandlerFunc {
|
||||
type query struct {
|
||||
// 4,296 characters is the maximum length of a QR code
|
||||
EAN string `schema:"productEAN" validate:"required,max=4296"`
|
||||
}
|
||||
|
||||
/*fn := func(r *http.Request, ID uuid.UUID) (repo.ItemOut, error) {
|
||||
auth := services.NewContext(r.Context())
|
||||
|
||||
return ctrl.repo.Items.GetOneByGroup(auth, auth.GID, ID)
|
||||
}
|
||||
|
||||
return adapters.CommandID("id", fn, http.StatusOK)*/
|
||||
|
||||
return func(w http.ResponseWriter, r *http.Request) error {
|
||||
q, err := adapters.DecodeQuery[query](r)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
log.Info().Msg("========================" + q.EAN)
|
||||
|
||||
// Search on UPCITEMDB
|
||||
var products []repo.BarcodeProduct
|
||||
|
||||
// www.ean-search.org/: not free
|
||||
|
||||
// Example code: dewalt 5035048748428
|
||||
|
||||
upcitemdb := func(iEan string) ([]repo.BarcodeProduct, error) {
|
||||
resp, err := http.Get("https://api.upcitemdb.com/prod/trial/lookup?upc=" + iEan)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
//We Read the response body on the line below.
|
||||
body, err := io.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
//Convert the body to type string
|
||||
sb := string(body)
|
||||
log.Info().Msg("Response: " + sb)
|
||||
|
||||
var result UPCITEMDBResponse
|
||||
if err := json.Unmarshal(body, &result); err != nil { // Parse []byte to go struct pointer
|
||||
log.Error().Msg("Can not unmarshal JSON")
|
||||
}
|
||||
|
||||
var res []repo.BarcodeProduct
|
||||
|
||||
for _, it := range result.Items {
|
||||
var p repo.BarcodeProduct
|
||||
p.SearchEngineName = "upcitemdb.com"
|
||||
p.Barcode = iEan
|
||||
|
||||
p.Item.Description = it.Description
|
||||
p.Item.Name = it.Title
|
||||
p.Manufacturer = it.Brand
|
||||
p.ModelNumber = it.Model
|
||||
if len(it.Images) != 0 {
|
||||
p.ImageURL = it.Images[0]
|
||||
}
|
||||
|
||||
res = append(res, p)
|
||||
}
|
||||
|
||||
return res, nil
|
||||
}
|
||||
|
||||
ps, err := upcitemdb(q.EAN)
|
||||
if err != nil {
|
||||
log.Error().Msg("Can not retrieve product from upcitemdb.com" + err.Error())
|
||||
}
|
||||
|
||||
// Barcode spider implementation
|
||||
barcodespider := func(tokenAPI string, iEan string) ([]repo.BarcodeProduct, error) {
|
||||
|
||||
if len(tokenAPI) == 0 {
|
||||
return nil, errors.New("no api token configured for barcodespider")
|
||||
}
|
||||
|
||||
req, err := http.NewRequest(
|
||||
"GET", "https://api.barcodespider.com/v1/lookup?upc="+iEan, nil)
|
||||
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
req.Header.Add("token", tokenAPI)
|
||||
|
||||
client := &http.Client{}
|
||||
|
||||
resp, err := client.Do(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
//We Read the response body on the line below.
|
||||
body, err := io.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
//Convert the body to type string
|
||||
sb := string(body)
|
||||
log.Info().Msg("Response: " + sb)
|
||||
|
||||
var result BARCODESPIDER_COMResponse
|
||||
if err := json.Unmarshal(body, &result); err != nil { // Parse []byte to go struct pointer
|
||||
log.Error().Msg("Can not unmarshal JSON")
|
||||
}
|
||||
|
||||
// TODO: check 200 code on HTTP repsonse.
|
||||
var p repo.BarcodeProduct
|
||||
p.Barcode = iEan
|
||||
p.SearchEngineName = "barcodespider.com"
|
||||
p.Item.Name = result.ItemAttributes.Title
|
||||
p.Item.Description = result.ItemAttributes.Description
|
||||
p.Manufacturer = result.ItemAttributes.Brand
|
||||
p.ModelNumber = result.ItemAttributes.Model
|
||||
p.ImageURL = result.ItemAttributes.Image
|
||||
|
||||
var res []repo.BarcodeProduct
|
||||
res = append(res, p)
|
||||
|
||||
return res, nil
|
||||
}
|
||||
|
||||
ps2, err := barcodespider(conf.TokenBarcodespider, q.EAN)
|
||||
if err != nil {
|
||||
log.Error().Msg("Can not retrieve product from barcodespider.com: " + err.Error())
|
||||
}
|
||||
|
||||
// Merge everything.
|
||||
for i := range ps {
|
||||
products = append(products, ps[i])
|
||||
}
|
||||
|
||||
for i := range ps2 {
|
||||
products = append(products, ps2[i])
|
||||
}
|
||||
|
||||
// Retrieve images if possible
|
||||
for i := range products {
|
||||
p := &products[i]
|
||||
|
||||
if len(p.ImageURL) == 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
res, err := http.Get(p.ImageURL)
|
||||
if err != nil {
|
||||
log.Warn().Msg("Cannot fetch image for URL: " + p.ImageURL + ": " + err.Error())
|
||||
}
|
||||
|
||||
defer res.Body.Close()
|
||||
|
||||
// Read data of image
|
||||
bytes, err := io.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
log.Warn().Msg(err.Error())
|
||||
}
|
||||
|
||||
// Convert to Base64
|
||||
var base64Encoding string
|
||||
|
||||
// Determine the content type of the image file
|
||||
mimeType := http.DetectContentType(bytes)
|
||||
|
||||
// Prepend the appropriate URI scheme header depending
|
||||
// on the MIME type
|
||||
switch mimeType {
|
||||
case "image/jpeg":
|
||||
base64Encoding += "data:image/jpeg;base64,"
|
||||
case "image/png":
|
||||
base64Encoding += "data:image/png;base64,"
|
||||
}
|
||||
|
||||
// Append the base64 encoded output
|
||||
base64Encoding += base64.StdEncoding.EncodeToString(bytes)
|
||||
|
||||
p.ImageBase64 = base64Encoding
|
||||
}
|
||||
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
|
||||
if len(products) != 0 {
|
||||
// Return only the first result for now. Enhance this with a dedicated dialog
|
||||
// displaying all the references found?
|
||||
return json.NewEncoder(w).Encode(products)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user