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path: root/client/go/cmd/document.go
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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// vespa document command
// author: bratseth

package cmd

import (
    "bytes"
    "encoding/json"
    "github.com/spf13/cobra"
    "github.com/vespa-engine/vespa/util"
    "io/ioutil"
    "net/http"
    "net/url"
    "os"
    "strings"
    "time"
)

func init() {
    rootCmd.AddCommand(documentCmd)
    documentCmd.AddCommand(documentPostCmd)
    documentCmd.AddCommand(documentGetCmd)
}

var documentCmd = &cobra.Command{
    Use:   "document",
    Short: "Issue document operations",
    Long:  `TODO: Example vespa document mynamespace/mydocumenttype/myid document.json`,
    // TODO: Check args
    Run: func(cmd *cobra.Command, args []string) {
        post("", args[0])
    },
}

var documentPostCmd = &cobra.Command{
    Use:   "post",
    Short: "Posts the document in the given file",
    Long:  `TODO`,
    // TODO: Check args
    Run: func(cmd *cobra.Command, args []string) {
        if len(args) == 1 {
            post("", args[0])
        } else {
            post(args[0], args[1])
        }
    },
}

var documentGetCmd = &cobra.Command{
    Use:   "get",
    Short: "Gets a document",
    Long:  `TODO`,
    // TODO: Check args
    Run: func(cmd *cobra.Command, args []string) {
        get(args[0])
    },
}

func get(documentId string) {
    // TODO
}

func post(documentId string, jsonFile string) {
    header := http.Header{}
    header.Add("Content-Type", "application/json")

    fileReader, fileError := os.Open(jsonFile)
    if fileError != nil {
        util.Error("Could not open file at " + jsonFile)
        util.Detail(fileError.Error())
        return
    }

    documentData := util.ReaderToBytes(fileReader)

    if documentId == "" {
        var doc map[string]interface{}
        json.Unmarshal(documentData, &doc)
        documentId = doc["id"].(string)
        if documentId == "" {
            documentId = doc["put"].(string) // document feeder format
        }
        if documentId == "" {
            util.Error("No document id given neither as argument or an 'id' key in the json file")
            return
        }
    }

    url, _ := url.Parse(getTarget(documentContext).document + "/document/v1/" + documentId)

    request := &http.Request{
        URL: url,
        Method: "POST",
        Header: header,
        Body: ioutil.NopCloser(bytes.NewReader(documentData)),
    }
    serviceDescription := "Container (document API)"
    response := util.HttpDo(request, time.Second * 60, serviceDescription)
    if (response == nil) {
        return
    }

    defer response.Body.Close()
    if response.StatusCode == 200 {
        util.Success("Success") // TODO: Change to something including document id
    } else if response.StatusCode / 100 == 4 {
        util.Error("Invalid document (" + response.Status + "):")
        util.PrintReader(response.Body)
    } else {
        util.Error("Error from", strings.ToLower(serviceDescription), "at", request.URL.Host, "(" + response.Status + "):")
        util.PrintReader(response.Body)
    }
}