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(Unicode C) Outlook -- List Selected Fields in MessagesDemonstrates how to list the messages in a particular Outlook mailbox folder, but selects particular fields to be returned. This uses the OData $select system query option. See OData System Query Option $select for general information.
Also see OData URL Conventions for information about $select and other query options. Note: This example requires Chilkat v9.5.0.68 or greater. This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com
#include <C_CkHttpW.h> #include <C_CkStringBuilderW.h> #include <C_CkHashtableW.h> #include <C_CkJsonObjectW.h> void ChilkatSample(void) { HCkHttpW http; HCkStringBuilderW sbResponse; HCkHashtableW htFolderMap; HCkStringBuilderW sbMap; const wchar_t *folderId; BOOL success; HCkJsonObjectW json; int i; int numMessages; const wchar_t *messageId; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http = CkHttpW_Create(); // Use your previously obtained access token here: // See the following examples for getting an access token: // Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint). // Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint). // Refresh Access Token (Azure AD v2.0 Endpoint). // Refresh Access Token (Azure AD Endpoint). CkHttpW_putAuthToken(http,L"MICROSOFT_GRAPH_ACCESS_TOKEN"); sbResponse = CkStringBuilderW_Create(); // In this example, we'd like to get the messages in the folder "/Inbox", // but we must specify the corresponding folder_id. The best way to do this is to create // a local map of folderPaths-to-folderIds. // This example does it: Create Outlook Folder Map) htFolderMap = CkHashtableW_Create(); sbMap = CkStringBuilderW_Create(); CkStringBuilderW_LoadFile(sbMap,L"qa_data/outlook/folderMap.xml",L"utf-8"); CkHashtableW_AddFromXmlSb(htFolderMap,sbMap); // Get the ID for the "/Inbox" folder: folderId = CkHashtableW_lookupStr(htFolderMap,L"/Inbox"); if (CkHashtableW_getLastMethodSuccess(htFolderMap) != TRUE) { wprintf(L"Folder ID not found\n"); CkHttpW_Dispose(http); CkStringBuilderW_Dispose(sbResponse); CkHashtableW_Dispose(htFolderMap); CkStringBuilderW_Dispose(sbMap); return; } CkHttpW_SetUrlVar(http,L"folder_id",folderId); // Send the request to list the messages, returning only the subject and from address. success = CkHttpW_QuickGetSb(http,L"https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$select=subject,from",sbResponse); if ((success != TRUE) && (CkHttpW_getLastStatus(http) == 0)) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkHttpW_Dispose(http); CkStringBuilderW_Dispose(sbResponse); CkHashtableW_Dispose(htFolderMap); CkStringBuilderW_Dispose(sbMap); return; } json = CkJsonObjectW_Create(); CkJsonObjectW_LoadSb(json,sbResponse); CkJsonObjectW_putEmitCompact(json,FALSE); wprintf(L"Status code = %d\n",CkHttpW_getLastStatus(http)); if (CkHttpW_getLastStatus(http) != 200) { wprintf(L"%s\n",CkJsonObjectW_emit(json)); wprintf(L"Failed.\n"); } wprintf(L"%s\n",CkJsonObjectW_emit(json)); // In my test case, the raw JSON returned is shown below. // Iterate over the messages to get information about each.. i = 0; numMessages = CkJsonObjectW_SizeOfArray(json,L"value"); while (i < numMessages) { CkJsonObjectW_putI(json,i); // This is the id for the email message. // For REST API calls that require particular email message id, this is what should be used.. messageId = CkJsonObjectW_stringOf(json,L"value[i].id"); wprintf(L"id: %s\n",messageId); wprintf(L"From Name: %s\n",CkJsonObjectW_stringOf(json,L"value[i].from.emailAddress.name")); wprintf(L"From Addr: %s\n",CkJsonObjectW_stringOf(json,L"value[i].from.emailAddress.address")); wprintf(L"Subject: %s\n",CkJsonObjectW_stringOf(json,L"value[i].subject")); wprintf(L"--\n"); i = i + 1; } // The output of the above loop: // // id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1oAAAA= // From Name: Chilkat Software // From Addr: admin@chilkat.io // Subject: This is an example email from chilkat.io // -- // id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1kAAAA= // From Name: Chilkat Support // From Addr: chilkat.support@gmail.com // Subject: Hello from GMail // -- // id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAHrLra8AAAA= // From Name: Microsoft Office 365 // From Addr: MicrosoftOffice365@email.office.com // Subject: The latest for you in Office 365 // -- // id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA= // From Name: Amazon Web Services // From Addr: no-reply-aws@amazon.com // Subject: Amazon SES Address Verification Request in region US West (Oregon) // -- // id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA= // From Name: Amazon Web Services // From Addr: no-reply-aws@amazon.com // Subject: Amazon SES Address Verification Request in region US West (Oregon) // -- // id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAAG6l8UAAAA= // From Name: Microsoft // From Addr: msa@communication.microsoft.com // Subject: Updates to our terms of use and privacy statement // -- // // ------------------------------------------------------ // This is the raw JSON response: // { // "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(subject,from)", // "value": [ // { // "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfo\"", // "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1oAAAA=", // "subject": "This is an example email from chilkat.io", // "from": { // "emailAddress": { // "name": "Chilkat Software", // "address": "admin@chilkat.io" // } // } // }, // { // "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfn\"", // "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1kAAAA=", // "subject": "Hello from GMail", // "from": { // "emailAddress": { // "name": "Chilkat Support", // "address": "chilkat.support@gmail.com" // } // } // }, // { // "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAB63d8O\"", // "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAHrLra8AAAA=", // "subject": "The latest for you in Office 365", // "from": { // "emailAddress": { // "name": "Microsoft Office 365", // "address": "MicrosoftOffice365@email.office.com" // } // } // }, // { // "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl7\"", // "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=", // "subject": "Amazon SES Address Verification Request in region US West (Oregon)", // "from": { // "emailAddress": { // "name": "Amazon Web Services", // "address": "no-reply-aws@amazon.com" // } // } // }, // { // "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl6\"", // "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=", // "subject": "Amazon SES Address Verification Request in region US West (Oregon)", // "from": { // "emailAddress": { // "name": "Amazon Web Services", // "address": "no-reply-aws@amazon.com" // } // } // }, // { // "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAAGt5YG\"", // "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAAG6l8UAAAA=", // "subject": "Updates to our terms of use and privacy statement", // "from": { // "emailAddress": { // "name": "Microsoft", // "address": "msa@communication.microsoft.com" // } // } // } // ] // } CkHttpW_Dispose(http); CkStringBuilderW_Dispose(sbResponse); CkHashtableW_Dispose(htFolderMap); CkStringBuilderW_Dispose(sbMap); CkJsonObjectW_Dispose(json); } |
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