Tcl Google Drive: Create a New Comment on a File

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Creates a new comment on a file. The file is specified by file ID. This example creates a comment on the file having id = "0B5drHSd5ZHwgc3RhcnRlcl9maWxlX2Rhc2hlclYw".

Documentation: https://developers.google.com/drive/v3/reference/comments/create

load ./chilkat.dll

set rest [new_CkRest]

#   Provide a previously obtained OAuth2 access token.
set oauth2 [new_CkOAuth2]

CkOAuth2_put_AccessToken $oauth2 "OAUTH2_ACCESS_TOKEN"
CkRest_SetAuthOAuth2 $rest $oauth2

set success [CkRest_Connect $rest "www.googleapis.com" 443 1 1]
if {[expr $success != 1]} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkOAuth2 $oauth2
    exit
}

CkRest_AddQueryParam $rest "fields" "author,content"

#  The following code creates the JSON request body.
#  The JSON created by this code is shown below.
set jsonReq [new_CkJsonObject]

CkJsonObject_UpdateString $jsonReq "content" "This is a test comment about this file..."

set sbReq [new_CkStringBuilder]

CkJsonObject_EmitSb $jsonReq $sbReq

CkRest_AddHeader $rest "Content-Type" "application/json"

set sbJson [new_CkStringBuilder]

set success [CkRest_FullRequestSb $rest "POST" "/drive/v3/files/0B5drHSd5ZHwgc3RhcnRlcl9maWxlX2Rhc2hlclYw/comments" $sbReq $sbJson]
if {[expr $success != 1]} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkOAuth2 $oauth2
    delete_CkJsonObject $jsonReq
    delete_CkStringBuilder $sbReq
    delete_CkStringBuilder $sbJson
    exit
}

if {[expr [CkRest_ResponseStatusCode $rest] != 200]} then {
    puts "Received error response code: [CkRest_ResponseStatusCode $rest]"
    puts "Response body:"
    puts [CkStringBuilder_getAsString $sbJson]
    delete_CkRest $rest
    delete_CkOAuth2 $oauth2
    delete_CkJsonObject $jsonReq
    delete_CkStringBuilder $sbReq
    delete_CkStringBuilder $sbJson
    exit
}

set json [new_CkJsonObject]

CkJsonObject_LoadSb $json $sbJson

#  The following code parses the JSON response.
#  A sample JSON response is shown below the sample code.

set authorKind [CkJsonObject_stringOf $json "author.kind"]
set authorDisplayName [CkJsonObject_stringOf $json "author.displayName"]
set authorPhotoLink [CkJsonObject_stringOf $json "author.photoLink"]
set authorMe [CkJsonObject_BoolOf $json "author.me"]
set content [CkJsonObject_stringOf $json "content"]

puts "Example Completed."

delete_CkRest $rest
delete_CkOAuth2 $oauth2
delete_CkJsonObject $jsonReq
delete_CkStringBuilder $sbReq
delete_CkStringBuilder $sbJson
delete_CkJsonObject $json

Sample JSON Request Body

{
  "content": "This is a test comment about this file..."
}

Sample JSON Response Body

{
  "author": {
    "kind": "drive#user",
    "displayName": "Matt Fausey",
    "photoLink": "//ssl.gstatic.com/s2/profiles/images/silhouette96.png",
    "me": true
  },
  "content": "This is a test comment about this file..."
}