V7GoogDriveAPIController.m

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//
//  V7GoogDriveAPIController.m
//  PantryLevel
//
//  Created by Don Zeek on 12/27/18.
//  Copyright © 2018 coordinated-medicine. All rights reserved.
//

#import "V7GoogDriveAPIController.h"
#import "Z5DataController.h"


@implementation V7GoogDriveAPIController

id<V7GoogDriveAPIProtocol> mDriveAPIDelegate;

- (instancetype) initWithDelegate:(id <V7GoogDriveAPIProtocol>)delegate
{
    self = [super init];
    if (self) {
        mDriveAPIDelegate = delegate;
    }
    return self;
}

// List up to 10 files in Drive
- (GTLRServiceTicket *)listRoot {

    Z5GoogleDriveController *driveController = [[[Z5DataController sharedInstance]
                         remoteDataController] driveController];
    GTLRDriveQuery_FilesList *query = [GTLRDriveQuery_FilesList query];
    query.fields = @"nextPageToken, files(id, name)";
    query.pageSize = 100;
    query.q = @"name = 'NutritionJournal'";
    
    NSMutableDictionary<NSString *,id> *extraTicketProps = [[NSMutableDictionary alloc] init];
    [extraTicketProps setObject:@"chase-root" forKey:@"query-stage"];
    [query.executionParameters setTicketProperties:extraTicketProps];
    
    NSLog(@"V7GoogDriveAPIController.listRoot: authorizer: %@", driveController.service.authorizer);
    
    GTLRServiceTicket *queryTicket = [driveController.service executeQuery:query
                                                       delegate:self
                                              didFinishSelector:@selector(displayResultWithTicket:finishedWithObject:error:)];
    
    return queryTicket;
}

- (GTLRServiceTicket *)listJournalRoot:(NSString *)journalRootId {
    
    NSLog(@"V7GoogDriveAPIController.listRoot");
    Z5GoogleDriveController *driveController = [[[Z5DataController sharedInstance] remoteDataController] driveController];
    
    GTLRDriveQuery_FilesList *query = [GTLRDriveQuery_FilesList query];
    query.fields = @"nextPageToken, files(id, name, mimeType)";
    query.pageSize = 100;
    query.q = [NSString stringWithFormat:@"'%@' in parents and mimeType = 'application/vnd.google-apps.folder'",
        journalRootId];
    
    NSMutableDictionary<NSString *,id> *extraTicketProps = [[NSMutableDictionary alloc] init];
    [extraTicketProps setObject:@"chase-journal-root" forKey:@"query-stage"];
    [query.executionParameters setTicketProperties:extraTicketProps];
    
    NSLog(@"V7GoogDriveAPIController.listRoot: authorizer: %@", driveController.service.authorizer);
    
    GTLRServiceTicket *queryTicket = [driveController.service
                                      executeQuery:query
                                      delegate:self
            didFinishSelector:@selector(displayResultWithTicket:finishedWithObject:error:)];
    
    return queryTicket;
}
- (NSArray *)listJournalItemRoot:(NSArray<GTLRDrive_File *> *)itemFiles
{
    NSLog(@"V7GoogDriveAPIController.listJournalItemRoot: input file count: %lu", (unsigned long)[itemFiles count]);
          
    NSMutableArray * ret = [[NSMutableArray alloc] init];
    for (GTLRDrive_File *file in itemFiles) {
        NSLog(@"V7GoogDriveAPIController.listJournalItemRoot: mimeType %@", file.mimeType);
        
        [ret addObject:[file name]];
        
        if ([file.mimeType isEqualToString:@"application/vnd.google-apps.folder"]) {
            [self listJournaItemPartRoot:file.identifier];
        } else {
            
        }
    }
    return ret;
}
- (GTLRServiceTicket *)listJournaItemPartRoot:(NSString *)journalItemPartRootId {
 
    NSLog(@"V7GoogDriveAPIController.listJournaItemPartRoot");
    Z5GoogleDriveController *driveController = [[[Z5DataController sharedInstance] remoteDataController] driveController];

    GTLRDriveQuery_FilesList *query = [GTLRDriveQuery_FilesList query];
    query.fields = @"nextPageToken, files(id, name)";
    query.pageSize = 100;
    query.q = [NSString stringWithFormat:@"'%@' in parents", journalItemPartRootId];
    
    NSMutableDictionary<NSString *,id> *extraTicketProps = [[NSMutableDictionary alloc] init];
    [extraTicketProps setObject:@"chase-journal-item-part-root" forKey:@"query-stage"];
    [query.executionParameters setTicketProperties:extraTicketProps];
    
    // NSLog(@"V7GoogDriveAPIController.listJournaItemPartRoot: authorizer: %@", driveController.service.authorizer);
    
    GTLRServiceTicket *queryTicket = [driveController.service executeQuery:query
                                                       delegate:self
                                              didFinishSelector:@selector(displayResultWithTicket:finishedWithObject:error:)];
    
    return queryTicket;
}

// Process the response and display output
- (void)displayResultWithTicket:(GTLRServiceTicket *)ticket
             finishedWithObject:(GTLRDrive_FileList *)result
                          error:(NSError *)error {
    
    NSDictionary<NSString *,id> *extraTicketProps = [ticket ticketProperties];
    NSString *queryFetchKey = [extraTicketProps objectForKey:@"query-stage"];
    
    // NSLog(@"V7GoogDriveAPIController.displayResultWithTicket: queryFetchKey: %@", queryFetchKey);
    NSLog(@"V7GoogDriveAPIController.displayResultWithTicket: key: %@  count: %lu",
                queryFetchKey, [result.files count]);
    if (error == nil) {
        if ([queryFetchKey isEqualToString:@"chase-root"]) {
        // TODO: journalRootId: save for multiple access
            NSString *journalRootId;
            for (GTLRDrive_File *file in result.files) {
                journalRootId = file.identifier;
            }
            [self listJournalRoot:journalRootId];
        } else if ([queryFetchKey isEqualToString:@"chase-journal-root"]) {
            NSLog(@"V7GoogDriveAPIController.displayResultWithTicket: JournalRoot");
            // this is the original, only, use of .resultStage
            [mDriveAPIDelegate resultStage:qJournalRoot returnedFiles:result.files];
        } else if ([queryFetchKey isEqualToString:@"chase-journal-item-root"]) {
            NSLog(@"V7GoogDriveAPIController.displayResultWithTicket: JournalItemRoot");
            /* TODO: save result 'journalItemRoot' */
            [mDriveAPIDelegate resultStage:kOblateSpheroid returnedFiles:result.files];
       } else if ([queryFetchKey isEqualToString:@"chase-journal-item-part-root"]) {
            NSLog(@"V7GoogDriveAPIController.displayResultWithTicket: JournalItemPartRoot");
           [mDriveAPIDelegate resultStage:qJournalPartRoot returnedFiles:result.files];
        }
        [self logFilesList:result.files];
        [mDriveAPIDelegate ticketCompleted:ticket];
        
    } else {
        NSMutableString *errMessage = [[NSMutableString alloc] init];
        [errMessage appendFormat:@"Error getting presentation data: %@\n", error.localizedDescription];
        // [self showAlert:@"Error" message:message];
        NSLog(@"V7GoogDriveAPIController.displayResultWithTicket:: Error: %@", error.localizedDescription);
    }
    // END -- Log files list
}



- (void) placeRecipe
{
    [self createFolder:@"Baked Halibut" inFolder:nil];
}
- (void) createFolder:(NSString *) newFolderName inFolder:(NSObject *) parent
{
    [self createFolder:@"Baked Halibut" inFolder:nil];
    Z5GoogleLoginController *loginControl = [[[Z5DataController sharedInstance] remoteDataController] loginController];
    NSLog(@"Z5GoogleDriveController.createFolder: user: %@ new folder name: %@", [loginControl username], newFolderName);
    if (nil!=[loginControl username]) {
        // this branch executes, however Error: Code=401 "Login Required"
        GTLRDrive_File *metadata = [GTLRDrive_File object];
        metadata.name = newFolderName;
        metadata.mimeType = @"application/vnd.google-apps.folder";
        GTLRDriveQuery_FilesCreate *query =
                    [GTLRDriveQuery_FilesCreate queryWithObject:metadata
                        uploadParameters:nil];
        query.fields = @"id";
        [mDriveAPIDelegate.service executeQuery:query completionHandler:^(GTLRServiceTicket *ticket,
                                                             GTLRDrive_File *file,
                                                             NSError *error) {
            if (error == nil) {
                NSLog(@"Z5GoogleDriveController.createFolder: File ID %@", file.identifier);
            } else {
                NSLog(@"Z5GoogleDriveController.createFolder: An error occurred: %@", error);
            }
        }];
    } else {
        NSLog(@"Z5GoogleDriveController.createFolder: not logged in");
    }
}

- (void) uploadFile
{
    [self createFolder:@"Baked Halibut" inFolder:nil];
    NSData *fileData = [[NSFileManager defaultManager] contentsAtPath:@"files/photo.jpg"];
    NSString *folderId = @"0BwwA4oUTeiV1UVNwOHItT0xfa2M";
    
    GTLRDrive_File *metadata = [GTLRDrive_File object];
    metadata.name = @"photo.jpg";
    metadata.parents = [NSArray arrayWithObject:folderId];
    
    GTLRUploadParameters *uploadParameters = [GTLRUploadParameters uploadParametersWithData:fileData MIMEType:@"image/jpeg"];
    uploadParameters.shouldUploadWithSingleRequest = TRUE;
    GTLRDriveQuery_FilesCreate *query = [GTLRDriveQuery_FilesCreate queryWithObject:metadata
                                        uploadParameters:uploadParameters];
    query.fields = @"id";
    [mDriveAPIDelegate.service executeQuery:query completionHandler:^(GTLRServiceTicket *ticket,
                                                         GTLRDrive_File *file,
                                                         NSError *error) {
        if (error == nil) {
            NSLog(@"Z5GoogleDriveController.uploadFile: File ID %@", file.identifier);
        } else {
            NSLog(@"Z5GoogleDriveController.uploadFile: An error occurred: %@", error);
        }
    }];
}



- (void) logFilesList:(NSArray<GTLRDrive_File *> *)fileArr
{
    // Log files list
    NSMutableString *output = [[NSMutableString alloc] init];
    if (fileArr.count > 0) {
        [output appendString:@"Files:\n"];
        int count = 1;
        for (GTLRDrive_File *file in fileArr) {
            [output appendFormat:@"%@ (%@)\n", file.name, file.identifier];
            count++;
        }
    } else {
        [output appendString:@"No files found."];
    }
    NSLog(@"V7GoogleDriveViewController.logFilesList: %@", output);
    // END = Log files list
}

@end