(Tcl) List Google Photos Albums

Demonstrates how to get a list of Google Photos albums.

Chilkat Tcl Extension Downloads Chilkat Tcl Extension Downloads

load ./chilkat.dll

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# Get the previously obtained access token.
# See Get Google Photos Access Token.

set jsonToken [new_CkJsonObject]

set success [CkJsonObject_LoadFile $jsonToken "qa_data/tokens/googlePhotos.json"]
if {$success == 0} then {
    puts [CkJsonObject_lastErrorText $jsonToken]
    delete_CkJsonObject $jsonToken
    exit
}

set http [new_CkHttp]

CkHttp_put_AuthToken $http [CkJsonObject_stringOf $jsonToken "access_token"]

# resp is a CkHttpResponse
set resp [CkHttp_QuickRequest $http "GET" "https://photoslibrary.googleapis.com/v1/albums"]
if {[CkHttp_get_LastMethodSuccess $http] == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkJsonObject $jsonToken
    delete_CkHttp $http
    exit
}

# Examine the response status code.  Success is indicated by a status code of 200.
puts "response status code: [CkHttpResponse_get_StatusCode $resp]"

set json [new_CkJsonObject]

CkJsonObject_Load $json [CkHttpResponse_bodyStr $resp]
delete_CkHttpResponse $resp

# Sample response:
CkJsonObject_put_EmitCompact $json 0
puts [CkJsonObject_emit $json]

# {
#   "albums": [
#     {
#       "id": "AKcbugFJDPVIW3w4JMTV9hWpjnvK-iHkZwS_FRuIm_jtqektmP7bTpvx27eETfLHOZrSznkt0bR3",
#       "title": "April 23, 2016",
#       "productUrl": "https://photos.google.com/lr/album/AKcbugFJDPVIW3w4JMTV9hWpjnvK-iHkZwS_FRuIm_jtqektmP7bTpvx27eETfLHOZrSznkt0bR3",
#       "mediaItemsCount": "1",
#       "coverPhotoBaseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e6L7ecrCQmp ... uXVvAoTeMwJg",
#       "coverPhotoMediaItemId": "AKcbugHEVyTFgIYb7GzhRFP5KvhBRIIsRcb6Cd4-2ByHzad2oqZnWF2aMPoXY-vfrXmefdTlyF3yZ22Odz6IFLs8pnJlOoVBUg"
#     },
#     {
#       "id": "AKcbugHJ4Zip9WHj_rpS9it133uu753VFffiNg9s0aapPSFAEzEwFxOuCG84OXYgJGclgnt1WqG1",
#       "title": "April 23, 2016",
#       "productUrl": "https://photos.google.com/lr/album/AKcbugHJ4Zip9WHj_rpS9it133uu753VFffiNg9s0aapPSFAEzEwFxOuCG84OXYgJGclgnt1WqG1",
#       "mediaItemsCount": "1",
#       "coverPhotoBaseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e5h7xK6G_baGN6KuuBHG5veLD49Xiaiix0GuTjii ... 7rkIexZj3AAdCA",
#       "coverPhotoMediaItemId": "AKcbugHEVyTFgIYb7GzhRFP5KvhBRIIsRcb6Cd4-2ByHzad2oqZnWF2aMPoXY-vfrXmefdTlyF3yZ22Odz6IFLs8pnJlOoVBUg"
#     },
#     {
#       "id": "AKcbugHaQTvUKSi3M2RQxOhxhdEaLc5mfUcqFoIU_kpQaROyUD70BcFt7_mnz5PcwwsjPKeKnLHN",
#       "title": "animals",
#       "productUrl": "https://photos.google.com/lr/album/AKcbugHaQTvUKSi3M2RQxOhxhdEaLc5mfUcqFoIU_kpQaROyUD70BcFt7_mnz5PcwwsjPKeKnLHN",
#       "isWriteable": true,
#       "coverPhotoBaseUrl": "https://lh3.googleusercontent.com/mL8RRbd0pjFIhHc0A4En4y7ZftwyjZTSp5YWX5j1EyPxX5GepHML"
#     }
#   ]
# }

# Use this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

set i 0
set count_i [CkJsonObject_SizeOfArray $json "albums"]
while {$i < $count_i} {
    CkJsonObject_put_I $json $i
    set id [CkJsonObject_stringOf $json "albums[i].id"]
    set title [CkJsonObject_stringOf $json "albums[i].title"]
    set productUrl [CkJsonObject_stringOf $json "albums[i].productUrl"]
    set mediaItemsCount [CkJsonObject_stringOf $json "albums[i].mediaItemsCount"]
    set coverPhotoBaseUrl [CkJsonObject_stringOf $json "albums[i].coverPhotoBaseUrl"]
    set coverPhotoMediaItemId [CkJsonObject_stringOf $json "albums[i].coverPhotoMediaItemId"]
    set isWriteable [CkJsonObject_BoolOf $json "albums[i].isWriteable"]
    set i [expr $i + 1]
}

delete_CkJsonObject $jsonToken
delete_CkHttp $http
delete_CkJsonObject $json