SectionViewController.m 9.5 KB
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//
//  SectionTableViewController.m
//  PLUCdraft
//
//  Created by Alexander W. Moore on 2/3/15.
//  Copyright (c) 2015 Alexander W. Moore. All rights reserved.
//

#import "SectionViewController.h"
#import "GlobalWebController.h"
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#import "Section.h"
#import "SectionBuilder.h"
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@interface SectionViewController ()

@property NSMutableArray *sections;
@property NSMutableDictionary *availableCollections;
//@property UIWebView *webview;

@end

@implementation SectionViewController

- (void)viewDidLoad {
    [super viewDidLoad];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

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- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    [self initializeSectionList];
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}

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- (void)webViewDidFinishLoad:(UIWebView *)webView {
    [self evaluateNextRTIAction:webView];
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}

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#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    
    // Return the number of sections.
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    
    // Return the number of rows in the section.
    return [self.sections count];
}


- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"ListPrototypeCell" forIndexPath:indexPath];
    
    // Configure the cell...
    NSString *section = [self.sections objectAtIndex:indexPath.row];
    cell.textLabel.text = section;
    return cell;
}


/*
 // Override to support conditional editing of the table view.
 - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
 // Return NO if you do not want the specified item to be editable.
 return YES;
 }
 */

/*
 // Override to support editing the table view.
 - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
 if (editingStyle == UITableViewCellEditingStyleDelete) {
 // Delete the row from the data source
 [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
 } else if (editingStyle == UITableViewCellEditingStyleInsert) {
 // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
 }
 }
 */

/*
 // Override to support rearranging the table view.
 - (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
 }
 */

/*
 // Override to support conditional rearranging of the table view.
 - (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
 // Return NO if you do not want the item to be re-orderable.
 return YES;
 }
 */

#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
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    if ([segue.identifier isEqualToString:@"segueToScanning"]) {
        NSIndexPath *path = [self.tableView indexPathForSelectedRow];
        Session *session = [[Session alloc] init];
        session.section = [self.sections objectAtIndex:path.row];
        ScanBookViewController *destViewController = [segue destinationViewController];
        destViewController.session = session;
    }
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}

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#pragma mark - Helper Functions

- (void)initializeSectionList {
    self.sections = [[NSMutableArray alloc] init];
    self.tableView.delegate = self;
    self.tableView.dataSource = self;
    [self.tableView reloadData];
    
    // Get collections available - Testing GetAvailableCollections
    NSString *getAvailablePath =
    [[NSBundle mainBundle] pathForResource:@"GetAvailableCollections"
                                    ofType:@"js"];
    NSString *getAvailable =
    [NSString stringWithContentsOfFile:getAvailablePath
                              encoding:NSUTF8StringEncoding
                                 error:nil];
    
    NSString *availableSections =
    [self.webview stringByEvaluatingJavaScriptFromString:getAvailable];
    
    [self extractSectionInformation:availableSections];
}

- (void)extractSectionInformation:(NSString *)availableSections {
    
    //Create error holder for JSON parsing
    NSError *error = nil;
    
    //Convert string to JSON format
    NSData *jsonSections = [availableSections dataUsingEncoding:NSUTF8StringEncoding];
    
    //Parse JSON object
    NSArray *sectionList = [SectionBuilder sectionsFromJSON:jsonSections error:&error];
    
    //Check for errors (in JSON parsing)
    if (error != nil) {
        NSLog(@"ERROR: %@", error.localizedDescription);
    }
    //If no errors found, update section list
    else {
        NSLog(@"SUCCESS");
        for (Section *section in sectionList) {
            [self.sections addObject:section.text];
        }
        [self.tableView reloadData];
    }
}

- (void)evaluateNextRTIAction:(UIWebView *)webView {
    NSString *url = [[webView request] URL].absoluteString;
    NSString *base_dest_url;
#ifdef TESTING
    base_dest_url = @"http://162.223.19.75";
#else
    base_dest_url = @"http://192.168.1.131";
#endif
    if ([url isEqualToString:[base_dest_url stringByAppendingString:@"/rti/Default.aspx"]]) {
        NSLog(@"Timed out!");
        [self performSegueWithIdentifier:@"segueSectionToLogin" sender:nil];
    }
    else if ([url isEqualToString:[base_dest_url stringByAppendingString:@"/rti/RTISetup.aspx?location=1"]]) {
        NSLog(@"1: %@", url);
    }
    else if ([url isEqualToString:[base_dest_url stringByAppendingString:@"/rti/RTIScan.aspx?location=1"]]) {
        NSLog(@"2: %@", url);
        [self performSegueWithIdentifier:@"segueToScanning" sender:nil];
    }
    else {
        NSLog(@"3: %@", url);
        /*
         UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"FATAL PAGE ERROR" message:@"Page not recognized, cannot proceed.  App will no longer work as expected." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
         [alert show];
         */
        UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"FATAL PAGE ERROR" message:@"Page not recognized, cannot proceed. App will no longer work as expected." preferredStyle:UIAlertControllerStyleAlert];
        UIAlertAction *ok = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
            [alert dismissViewControllerAnimated:YES completion:nil];
        }];
        [alert addAction: ok];
        [self presentViewController:alert animated:YES completion:nil];
    }
}

- (void)setCollection:(NSIndexPath *)path {
    //need to call AddCollection, then GetSelectedCollections
    //AddCollection
    NSString *addSelectedPath =
    [[NSBundle mainBundle] pathForResource:@"AddCollection"
                                    ofType:@"js"];
    NSString *addSelected =
    [NSString stringWithContentsOfFile:addSelectedPath
                              encoding:NSUTF8StringEncoding
                                 error:nil];
    
    [self.webview stringByEvaluatingJavaScriptFromString:[@"var selectedAdd = " stringByAppendingString:[NSString stringWithFormat:@"%d;", path.row]]];
    
    NSString *add =
    [self.webview
     stringByEvaluatingJavaScriptFromString:addSelected];
    
    if ([add isEqual:nil]) {
        NSLog(@"nil failed");
    } else {
        NSLog(@"NOT NILL UNFAILED");
    }
    
    //GetSelectedCollections
    NSString *selectedPath =
    [[NSBundle mainBundle] pathForResource:@"GetSelectedCollections"
                                    ofType:@"js"];
    NSString *selectedFunc =
    [NSString stringWithContentsOfFile:selectedPath
                              encoding:NSUTF8StringEncoding
                                 error:nil];
    
    [self.webview stringByEvaluatingJavaScriptFromString:selectedFunc];
    
    //UIAlertView *selectedAlert =
    //[[UIAlertView alloc] initWithTitle:@"Collections Selected"
    //                           message:selected
    //                          delegate:self
    //                 cancelButtonTitle:@"OK"
    //                 otherButtonTitles:nil];
    //[selectedAlert show];
    
    NSString *saveSetupPath =
    [[NSBundle mainBundle] pathForResource:@"SaveSetup" ofType:@"js"];
    NSString *saveSetup =
    [NSString stringWithContentsOfFile:saveSetupPath
                              encoding:NSUTF8StringEncoding
                                 error:nil];
    
    [self.webview stringByEvaluatingJavaScriptFromString:saveSetup];
}

#pragma mark - UI Buttons

- (IBAction)selectSelectionToScan:(id)sender {
    NSIndexPath *path = [self.tableView indexPathForSelectedRow];
    if (path) {
        [self setCollection:path];
    }
    else {
        UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"No Collection Selected" message:@"Please select a collection to continue." preferredStyle:UIAlertControllerStyleAlert];
        UIAlertAction *ok = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
            [alert dismissViewControllerAnimated:YES completion:nil];
        }];
        [alert addAction: ok];
        [self presentViewController:alert animated:YES completion:nil];
    }
}

- (IBAction)exitBtnPressed:(id)sender {
    [self performSegueWithIdentifier:@"segueSectionToLogin" sender:nil];
}
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@end