(C#) Google Photos List Media Items

List all media items from a user's Google Photos library.

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// 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.

Chilkat.JsonObject jsonToken = new Chilkat.JsonObject();
bool success = jsonToken.LoadFile("qa_data/tokens/googlePhotos.json");
if (success == false) {
    Debug.WriteLine(jsonToken.LastErrorText);
    return;
}

Chilkat.Http http = new Chilkat.Http();

http.AuthToken = jsonToken.StringOf("access_token");

// For more information, see Google Photos List Media Items API Documentation

Chilkat.HttpResponse resp = http.QuickRequest("GET","https://photoslibrary.googleapis.com/v1/mediaItems?pageSize=100");
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// Examine the response status code.  Success is indicated by a status code of 200.
Debug.WriteLine("response status code: " + Convert.ToString(resp.StatusCode));

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.Load(resp.BodyStr);

// Sample response:
json.EmitCompact = false;
Debug.WriteLine(json.Emit());

// (See parsing code below...)

// {
//   "mediaItems": [
//     {
//       "id": "AKcbugGCOVK46E2qq6tv_wEuQuoK_a0iHet9rGH0-UWoZFnTMpEZ2jNjHWggz7Aq3hhjJv4YJsDY6ntowKsvnfnr1Bu3ASnS_w",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugGCOVK46E2qq6tv_wEuQuoK_a0iHet9rGH0-UWoZFnTMpEZ2jNjHWggz7Aq3hhjJv4YJsDY6ntowKsvnfnr1Bu3ASnS_w",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e7ZcHJhUmxO8EgRSBFyBaGAyXE...YMWCAMDlNTA6-L5LiijXAUfKgD1ULhr9IabJBGTT7ETUdeeFTQTM",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2019-04-11T17:55:53Z",
//         "width": "640",
//         "height": "480",
//         "photo": {
//           "cameraMake": "Apple",
//           "cameraModel": "iPhone 5s",
//           "focalLength": 4.15,
//           "apertureFNumber": 2.2,
//           "isoEquivalent": 32
//         }
//       },
//       "filename": "IMG_1206.JPG"
//     },
//     {
//       "id": "AKcbugFACWDNCQJ2nwhDemR6vRupHSvOUSKukyOHqTWO1CCIs0qw-C0b5MGmrveyjYe8ps8z1rZTRQ8hmSQsODSsobNqDl8vTg",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugFACWDNCQJ2nwhDemR6vRupHSvOUSKukyOHqTWO1CCIs0qw-C0b5MGmrveyjYe8ps8z1rZTRQ8hmSQsODSsobNqDl8vTg",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e7NQe0qdoZrDHkfkK7LOsw-V...YJ1mrohD5duHsY2QJCzLTXZ65EOUrJefars3xDSwsCYlelY470kk",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2016-10-09T01:49:58Z",
//         "width": "600",
//         "height": "427",
//         "photo": {}
//       },
//       "filename": "hedgehogs.jpg"
//     },
//     {
//       "id": "AKcbugHEVyTFgIYb7GzhRFP5KvhBRIIsRcb6Cd4-2ByHzad2oqZnWF2aMPoXY-vfrXmefdTlyF3yZ22Odz6IFLs8pnJlOoVBUg",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugHEVyTFgIYb7GzhRFP5KvhBRIIsRcb6Cd4-2ByHzad2oqZnWF2aMPoXY-vfrXmefdTlyF3yZ22Odz6IFLs8pnJlOoVBUg",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e64wP9gpPXKq5b8FCFKzu9C...QTFxMLVRaLeQZBvYGZVIe7xCcRPnRhMpiXwL_RV_aU",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2015-09-21T20:30:02Z",
//         "width": "59",
//         "height": "69",
//         "photo": {}
//       },
//       "filename": "chilkat_gravatar.jpg"
//     },
//     {
//       "id": "AKcbugHdYTp-S-D_EYnSBA4EhrKT86IFbmdRuiDclKka9T5b6UIbeDvhTAu1bebYOCFKH-gv1ME1z6RyMN4eW_9J5ol9_qizMg",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugHdYTp-S-D_EYnSBA4EhrKT86IFbmdRuiDclKka9T5b6UIbeDvhTAu1bebYOCFKH-gv1ME1z6RyMN4eW_9J5ol9_qizMg",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e4e69WQpYcQX...m87rR6gDBhcB55TL__3ckBYNQ8MjbqpBtmojjYWrLG_j4VsVSA",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2008-05-29T15:30:55Z",
//         "width": "120",
//         "height": "120",
//         "photo": {}
//       },
//       "filename": "starfish.jpg"
//     },
//     {
//       "id": "AKcbugGwtCih2tdl3s1-NMvZFaco3W7XnRwvwtj02J9DJyl6JmrLZDVUFcxQl4AT04LaNrPpsrojeTsDSzOVOF5IgKefD0Y-MQ",
//       "description": "Photo of Penguins",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugGwtCih2tdl3s1-NMvZFaco3W7XnRwvwtj02J9DJyl6JmrLZDVUFcxQl4AT04LaNrPpsrojeTsDSzOVOF5IgKefD0Y-MQ",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e5Cj3EgyhscdT...X3-W562iiKtTa8lc_QPxCrpJu-m7cZyNGwGTANVpGe1XG",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2008-02-18T05:07:31Z",
//         "width": "1024",
//         "height": "768",
//         "photo": {}
//       },
//       "filename": "penguins.jpg"
//     }
//   ]
// }
// 

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

int i;
int count_i;
string id;
string productUrl;
string baseUrl;
string mimeType;
string mediaMetadataCreationTime;
string mediaMetadataWidth;
string mediaMetadataHeight;
string mediaMetadataPhotoCameraMake;
string mediaMetadataPhotoCameraModel;
string mediaMetadataPhotoFocalLength;
string mediaMetadataPhotoApertureFNumber;
int mediaMetadataPhotoIsoEquivalent;
string filename;
string description;

i = 0;
count_i = json.SizeOfArray("mediaItems");
while (i < count_i) {
    json.I = i;
    id = json.StringOf("mediaItems[i].id");
    productUrl = json.StringOf("mediaItems[i].productUrl");
    baseUrl = json.StringOf("mediaItems[i].baseUrl");
    mimeType = json.StringOf("mediaItems[i].mimeType");
    mediaMetadataCreationTime = json.StringOf("mediaItems[i].mediaMetadata.creationTime");
    mediaMetadataWidth = json.StringOf("mediaItems[i].mediaMetadata.width");
    mediaMetadataHeight = json.StringOf("mediaItems[i].mediaMetadata.height");
    mediaMetadataPhotoCameraMake = json.StringOf("mediaItems[i].mediaMetadata.photo.cameraMake");
    mediaMetadataPhotoCameraModel = json.StringOf("mediaItems[i].mediaMetadata.photo.cameraModel");
    mediaMetadataPhotoFocalLength = json.StringOf("mediaItems[i].mediaMetadata.photo.focalLength");
    mediaMetadataPhotoApertureFNumber = json.StringOf("mediaItems[i].mediaMetadata.photo.apertureFNumber");
    mediaMetadataPhotoIsoEquivalent = json.IntOf("mediaItems[i].mediaMetadata.photo.isoEquivalent");
    filename = json.StringOf("mediaItems[i].filename");
    description = json.StringOf("mediaItems[i].description");
    i = i + 1;
}