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Dmitriy-XawstovDmitriy-Xawstov
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Refactored Parser use cases
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7 files changed

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7 files changed

+278
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‎uses_cases/parser/parse_get_forms_fdf.go‎

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package main
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import (
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"fmt"
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"path"
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asposepdfcloud "github.com/aspose-pdf-cloud/aspose-pdf-cloud-go/v25"
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)
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func ParseExtractFormsAsFDF(pdf_api *asposepdfcloud.PdfApiService, documentName string, outputFDFName string, remoteFolder string) {
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// Extract Form fields from the document to FDF file
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uploadFile(pdf_api, documentName)
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args := map[string]interface{}{
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"folder": remoteFolder,
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}
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fdfPath := path.Join(remoteFolder, outputFDFName)
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_, httpResponse, err := pdf_api.PutExportFieldsFromPdfToFdfInStorage(documentName, fdfPath, args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("ParseExtractFormsAsFDF(): Failed to extract Form fields from the document.")
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} else {
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fmt.Println("ParseExtractFormsAsFDF(): Forms fields successfully extracted from the document '" + documentName + "'.")
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downloadFile(pdf_api, outputFDFName, outputFDFName)
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}
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}

‎uses_cases/parser/parse_get_forms_xml.go‎

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package main
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import (
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"fmt"
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"path"
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asposepdfcloud "github.com/aspose-pdf-cloud/aspose-pdf-cloud-go/v25"
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)
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func ParseExtractFormsAsXML(pdf_api *asposepdfcloud.PdfApiService, documentName string, outputXMLName string, remoteFolder string) {
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// Extract Form fields from the document to XML file
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uploadFile(pdf_api, documentName)
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args := map[string]interface{}{
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"folder": remoteFolder,
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}
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xmlPath := path.Join(remoteFolder, outputXMLName)
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_, httpResponse, err := pdf_api.PutExportFieldsFromPdfToXmlInStorage(documentName, xmlPath, args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("ParseExtractFormsAsXML(): Failed to extract Form fields from the document.")
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} else {
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fmt.Println("ParseExtractFormsAsXML(): Forms fields successfully extracted from the document '" + documentName + "'.")
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downloadFile(pdf_api, outputXMLName, outputXMLName)
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}
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}

‎uses_cases/parser/parse_get_images.go‎

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package main
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import (
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"fmt"
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"os"
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"path"
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asposepdfcloud "github.com/aspose-pdf-cloud/aspose-pdf-cloud-go/v25"
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)
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func ParseExtractImages(pdf_api *asposepdfcloud.PdfApiService, documentName string, pageNumber int32, localFolder string, remoteFolder string) {
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// Extract Images from the page of PDF document
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uploadFile(pdf_api, documentName)
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args := map[string]interface{}{
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"folder": remoteFolder,
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}
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respImages, httpResponse, err := pdf_api.GetImages(documentName, pageNumber, args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("ParseExtractImages(): Failed to extract images from the page of document.")
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} else {
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for _, image := range respImages.Images.List {
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response, httpResponse, err := pdf_api.GetImageExtractAsPng(documentName, image.Id, args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("ParseExtractImages(): Failed to extract image.")
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} else {
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fmt.Println("ParseExtractImages(): Images'" + image.Id + "' successfully extracted from the page of document.")
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fileName := path.Join(localFolder, (image.Id + ".png"))
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f, _ := os.Create(fileName)
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_, _ = f.Write(response)
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fmt.Println("File '" + fileName + "' successfully downloaded.")
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}
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}
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}
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}

‎uses_cases/parser/parse_get_tables.go‎

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package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"path"
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asposepdfcloud "github.com/aspose-pdf-cloud/aspose-pdf-cloud-go/v25"
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)
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func ParseExtractTables(pdf_api *asposepdfcloud.PdfApiService, documentName string, localFolder string, remoteFolder string) {
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// Extract tables form the document
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uploadFile(pdf_api, documentName)
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args := map[string]interface{}{
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"folder": remoteFolder,
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}
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result, httpResponse, err := pdf_api.GetDocumentTables(documentName, args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("ExtractTables(): Failed to extract tables from the document.")
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} else {
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if result.Tables == nil || len(result.Tables.List) == 0 {
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fmt.Println("ExtractTables(): Tables not found in the document.")
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} else {
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resultJson := "[\n"
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for _, t := range result.Tables.List {
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respTable, httpResponse, err := pdf_api.GetTable(documentName, t.Id, args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("ExtractTables(): Failed to extract table from the document.")
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} else {
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fmt.Println("table", respTable.Table)
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jsTable, _ := json.Marshal(respTable.Table)
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resultJson += string(jsTable) + ",\n\n"
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}
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}
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resultJson += "]"
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fileName := path.Join(localFolder, ("parsed_tables_output.json"))
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f, _ := os.Create(fileName)
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_, _ = f.Write([]byte(resultJson))
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fmt.Println("File '" + fileName + "' successfully downloaded.")
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}
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}
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}

‎uses_cases/parser/parse_get_textboxes.go‎

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package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"path"
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asposepdfcloud "github.com/aspose-pdf-cloud/aspose-pdf-cloud-go/v25"
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)
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func ParseExtractTextBoxes(pdf_api *asposepdfcloud.PdfApiService, documentName string, localFolder string, remoteFolder string) {
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// Extract tables form the document
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uploadFile(pdf_api, documentName)
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args := map[string]interface{}{
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"folder": remoteFolder,
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}
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result, httpResponse, err := pdf_api.GetDocumentTextBoxFields(documentName, args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("ParseExtractTextBoxes(): Failed to extract text boxes from the document.")
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} else {
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if result.Fields == nil || len(result.Fields.List) == 0 {
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fmt.Println("ParseExtractTextBoxes(): Text boxes not found in the document.")
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} else {
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resultJson := "[\n"
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for _, t := range result.Fields.List {
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respTextBox, httpResponse, err := pdf_api.GetTextBoxField(documentName, t.FullName, args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("ParseExtractTextBoxes(): Failed to extract text box from the document.")
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} else {
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fmt.Println("TextBox", respTextBox.Field)
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jsTable, _ := json.Marshal(respTextBox.Field)
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resultJson += string(jsTable) + ",\n\n"
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}
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}
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resultJson += "]"
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fileName := path.Join(localFolder, ("parsed_taext_boxes_output.json"))
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f, _ := os.Create(fileName)
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_, _ = f.Write([]byte(resultJson))
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fmt.Println("File '" + fileName + "' successfully downloaded.")
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}
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}
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}

‎uses_cases/parser/parser_helper.go‎

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package main
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import (
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"fmt"
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"os"
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"path"
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"path/filepath"
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asposepdfcloud "github.com/aspose-pdf-cloud/aspose-pdf-cloud-go/v25"
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)
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const (
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REMOTE_FOLDER = "Your_Temp_Pdf_Cloud"
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LOCAL_FOLDER = "c:\\Samples"
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PDF_DOCUMENT = "sample.pdf"
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PDF_OUTPUT = "output_pages.pdf"
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XML_OUTPUT_FILE = "output_sample.xml"
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FDF_OUTPUT_FILE = "output_sample.fdf"
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PAGE_NUMBER = 1
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AppSID = "**********" // Your Application SID
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AppKey = "**********" // Your Application Key
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)
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func initPdfApi() *asposepdfcloud.PdfApiService {
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pdfApi := asposepdfcloud.NewPdfApiService(AppSID, AppKey, "")
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return pdfApi
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}
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// Upload local file to the remote folder with check errors
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func uploadFile(pdf_api *asposepdfcloud.PdfApiService, name string) {
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args := map[string]interface{}{
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"folder": REMOTE_FOLDER,
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}
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file, err := os.Open(filepath.Join(LOCAL_FOLDER, name))
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if err != nil {
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fmt.Println(err.Error())
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} else {
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_, httpResponse, err := pdf_api.UploadFile(path.Join(REMOTE_FOLDER, name), file, args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("Unexpected error!")
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} else {
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fmt.Println("File '" + name + " ' successfully uploaded.")
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}
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}
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}
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// Download file from remote folder and save it locally with check errors
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func downloadFile(pdf_api *asposepdfcloud.PdfApiService, name string, output_name string) {
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args := map[string]interface{}{
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"folder": REMOTE_FOLDER,
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}
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result_data, httpResponse, err := pdf_api.DownloadFile(path.Join(REMOTE_FOLDER, name), args)
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if err != nil {
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fmt.Println(err.Error())
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} else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
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fmt.Println("Unexpected error!")
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} else {
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fileName := path.Join(LOCAL_FOLDER, output_name)
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f, _ := os.Create(fileName)
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_, _ = f.Write(result_data)
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fmt.Println("File '" + fileName + "' successfully downloaded.")
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}
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}

‎uses_cases/parser/parser_launch.go‎

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package main
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func main() {
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pdfApi := initPdfApi()
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ParseExtractFormsAsXML(pdfApi, PDF_DOCUMENT, XML_OUTPUT_FILE, REMOTE_FOLDER)
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ParseExtractFormsAsFDF(pdfApi, PDF_DOCUMENT, FDF_OUTPUT_FILE, REMOTE_FOLDER)
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ParseExtractImages(pdfApi, PDF_DOCUMENT, PAGE_NUMBER, LOCAL_FOLDER, REMOTE_FOLDER)
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ParseExtractTables(pdfApi, PDF_DOCUMENT, LOCAL_FOLDER, REMOTE_FOLDER)
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ParseExtractTextBoxes(pdfApi, PDF_DOCUMENT, LOCAL_FOLDER, REMOTE_FOLDER)
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}

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