Pascal (Lazarus/Delphi)
Pascal (Lazarus/Delphi)
OneDrive -- Search for Files
See more OneDrive Examples
Search for files within a hierarchy of items for items matching a query. You can search within a folder hierarhcy or a whole drive.Note: This example requires Chilkat v9.5.0.97 or greater.
Chilkat Pascal (Lazarus/Delphi) Downloads
program ChilkatDemo;
// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}
uses
{$IFDEF UNIX}
cthreads,
{$ENDIF}
SysUtils,
CkDllLoader,
Chilkat.Http,
Chilkat.StringBuilder,
Chilkat.JsonObject,
Chilkat.CkDateTime;
// ---------------------------------------------------------------------------
procedure RunDemo;
var
success: Boolean;
json: TJsonObject;
http: THttp;
sbResults: TStringBuilder;
lastMod: TCkDateTime;
photoTaken: TCkDateTime;
i: Integer;
numItems: Integer;
begin
success := False;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Use your client ID, client secret, and tenant ID in the following lines
json := TJsonObject.Create;
json.UpdateString('client_id','2871da2c-8176-4b7f-869b-2311aa82e743');
json.UpdateString('client_secret','2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH');
json.UpdateString('scope','https://graph.microsoft.com/.default');
json.UpdateString('token_endpoint','https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token');
http := THttp.Create;
http.AuthToken := json.Emit();
// Sends the following GET request:
// Search the entire drive like this:
// If not using "me", then the path should be /v1.0/users/{id | userPrincipalName}/...
// GET /v1.0/users/{user-id}/drive/root/search(q='{search-text}')
// Or search under a particular folder like this:
// GET /v1.0/users/{user-id}/drive/root:/{item-path}:/search(q='{search-text}')
// This example will search for files in or under the "/Misc" directory, having "penguin" in the file path.
http.SetUrlVar('item_path','/Misc');
http.SetUrlVar('search_text','penguins');
http.SetUrlVar('user_id','4fe732c3-322e-4a6b-b729-2fd1eb5c6104');
sbResults := TStringBuilder.Create;
success := http.QuickGetSb('https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/search(q=''{$search_text}'')',sbResults);
if (http.LastMethodSuccess <> True) then
begin
WriteLn(http.LastErrorText);
Exit;
end;
// The response should be JSON.
json.EmitCompact := False;
json.LoadSb(sbResults);
// A successful response should return a status code of 200.
if (http.LastStatus <> 200) then
begin
WriteLn(json.Emit());
WriteLn('Response status = ' + http.LastStatus);
Exit;
end;
WriteLn(json.Emit());
WriteLn('--');
// Iterate over the results in the JSON response:
lastMod := TCkDateTime.Create;
photoTaken := TCkDateTime.Create;
i := 0;
numItems := json.SizeOfArray('value');
while i < numItems do
begin
json.I := i;
WriteLn('-- DriveItem ' + i + 1);
WriteLn('id: ' + json.StringOf('value[i].id'));
WriteLn('name: ' + json.StringOf('value[i].name'));
WriteLn('size: ' + json.IntOf('value[i].size'));
// Get the lastModifiedDateTime
lastMod.SetFromTimestamp(json.StringOf('value[i].fileSystemInfo.lastModifiedDateTime'));
// Is this a folder?
if (json.HasMember('value[i].folder') = True) then
begin
WriteLn('This is a folder with ' + json.IntOf('value[i].folder.childCount') + ' children');
end;
if (json.HasMember('value[i].file') = True) then
begin
WriteLn('This is a file.');
WriteLn('SHA1 hash: ' + json.StringOf('value[i].file.hashes.sha1Hash'));
WriteLn('mimeType: ' + json.StringOf('value[i].mimeType'));
end;
if (json.HasMember('value[i].image') = True) then
begin
WriteLn('This is an image.');
WriteLn('height: ' + json.IntOf('value[i].image.height'));
WriteLn('width: ' + json.IntOf('value[i].image.width'));
end;
if (json.HasMember('value[i].photo') = True) then
begin
WriteLn('This is a photo.');
photoTaken.SetFromTimestamp(json.StringOf('value[i].photo.takenDateTime'));
WriteLn('photo taken on ' + photoTaken.GetAsRfc822(True));
end;
if (json.HasMember('value[i].audio') = True) then
begin
WriteLn('This is an audio file.');
WriteLn('duration: ' + json.IntOf('value[i].audio.duration'));
end;
i := i + 1;
end;
// Sample JSON OneDrive search response:
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#Collection(driveItem)",
// "value": [
// {
// "@odata.type": "#microsoft.graph.driveItem",
// "@microsoft.graph.downloadUrl": "https://public.dm2301.livefilestore.com/y4m01N6dLIV7ditztcRwWDx2Jzf1qiwJNASFiHfajfZUuJnEMgHmIZTASy3lNzwUFHQgET0I11hzqCyb0A6I5jhI9FgFAJlBJHFrToT7QXj2xvCV46LOZVJASk79LEWRRM97aOhdOHhKeIl_HxoIWSl08sX3kGyC50RP72rDE7ERSVdZAa3CmMNkp6tRtfKI5wfJNqSx3NeqLQ6LxwBBY4KgniPQOgEna0G_MKTGDt10T4",
// "createdBy": {
// "user": {
// "displayName": "Matt Smith",
// "id": "3a33fceb9b74cc15"
// }
// },
// "createdDateTime": "2017-06-04T20:40:22.48Z",
// "cTag": "aYzozQTMzRkNFQjlCNzRDQzE1ITQ4NzIuMjU3",
// "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODcyLjI",
// "id": "3A33FCEB9B74CC15!4872",
// "lastModifiedBy": {
// "user": {
// "displayName": "Matt Smith",
// "id": "3a33fceb9b74cc15"
// }
// },
// "lastModifiedDateTime": "2017-06-04T20:40:23.463Z",
// "name": "penguins.jpg",
// "parentReference": {
// "driveId": "3a33fceb9b74cc15",
// "id": "3A33FCEB9B74CC15!4871",
// "name": "wildlife",
// "path": "/drive/root:/Misc/wildlife"
// },
// "size": 777835,
// "webUrl": "https://1drv.ms/i/s!ABXMdJvr_DM6pgg",
// "file": {
// "hashes": {
// "sha1Hash": "DF7BE9DC4F467187783ACA68C7CE98E4DF2172D0"
// },
// "mimeType": "image/jpeg"
// },
// "fileSystemInfo": {
// "createdDateTime": "2017-06-04T20:40:22.48Z",
// "lastModifiedDateTime": "2009-07-14T05:32:31.674Z"
// },
// "image": {
// "height": 768,
// "width": 1024
// },
// "photo": {
// "takenDateTime": "2008-02-18T05:07:31Z"
// },
// "searchResult": {
// "onClickTelemetryUrl": "https://www.bing.com/personalsearchclick?IG=D10F15177AE54D49A97F361270D53290&CID=3A33FCEB9B74CC150000000000000000&ID=DevEx%2c5005&q=penguins&resid=3A33FCEB9B74CC15%214872"
// }
// }
// ]
// }
json.Free;
http.Free;
sbResults.Free;
lastMod.Free;
photoTaken.Free;
end;
// ---------------------------------------------------------------------------
begin
try
RunDemo;
except
on E: Exception do
WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
end;
WriteLn;
{$IFDEF MSWINDOWS}
WriteLn('Press Enter to exit...');
ReadLn;
{$ENDIF}
end.