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//
// CrashReporter.m
// Documents
//
// Created by Jesse Grosjean on 9/6/07.
// Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import "CrashReporter.h"


@implementation CrashReporter

#pragma mark class methods

+ (id)sharedInstance {
    static id sharedInstance = nil;
    if (sharedInstance == nil) {
        sharedInstance = [[self alloc] init];
    }
    return sharedInstance;
}

#pragma dealloc

- (id)init {
    if (self = [super initWithWindowNibName:@"CrashReporterWindow"]) {
crashReport = [[NSMutableDictionary dictionary] retain];
    }
    return self;
}

- (void)dealloc {
[crashReport release];
    [super dealloc];
}

#pragma awake from nib like methods

- (void)awakeFromNib {
[statusMessageTextField setStringValue:@""];
[[self window] setLevel:NSFloatingWindowLevel];
}

#pragma mark accessors

- (NSString *)latestCrashPath {
NSString *name = [[NSProcessInfo processInfo] processName];
NSString *crashLogPrefix = [NSString stringWithFormat: @"%@_", name];
NSString *crashLogSuffix = @".crash";
NSString *crashReporterFolder = [@"~/Library/Logs/CrashReporter/" stringByExpandingTildeInPath];
NSDirectoryEnumerator *enumerator = [[NSFileManager defaultManager] enumeratorAtPath:crashReporterFolder];
NSDate *currentDate = nil;
NSString *foundName = nil;
NSDate *foundDate = nil;

for (NSString *currentName in enumerator) {
if ([currentName hasPrefix:crashLogPrefix] && [currentName hasSuffix:crashLogSuffix]) {
currentDate = [[enumerator fileAttributes] fileModificationDate];
if (foundName) {
if ([currentDate isGreaterThan:foundDate]) {
foundName = currentName;
foundDate = currentDate;
}
} else {
foundName = currentName;
foundDate = currentDate;
}
}
}

if (!foundName) {
return nil;
} else {
return [crashReporterFolder stringByAppendingPathComponent:foundName];
}
}

- (void)setStatusMessage:(NSString *)message {
    if ([message length]) {
[statusProgressIndicator startAnimation:nil];
    } else {
[statusProgressIndicator stopAnimation:nil];
    }
    
    [statusMessageTextField setStringValue:message];
    [statusMessageTextField display];
}

#pragma mark actions

- (IBAction)check:(id)sender {
@try {
NSFileManager *fileManager = [NSFileManager defaultManager];
NSString *latestCrashPath = [self latestCrashPath];
NSDictionary *lastCrashFileAttributes = [fileManager fileAttributesAtPath:latestCrashPath traverseLink:YES];

if (lastCrashFileAttributes) {
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSDate *lastCheckDate = [defaults objectForKey:CrashReporterLastCheckDateDefaultsKey];
NSDate *lastCrashDate = [lastCrashFileAttributes fileModificationDate];

if (lastCheckDate == nil || [lastCheckDate isLessThan:lastCrashDate]) {
[defaults setObject:lastCrashDate forKey:CrashReporterLastCheckDateDefaultsKey];
[defaults synchronize];

NSWindow *window = [self window];
NSString *processName = [[NSProcessInfo processInfo] processName];
NSMutableString *crashLogs = [NSMutableString string];

[statusProgressIndicator setUsesThreadedAnimation:YES];

[window setTitle:[NSString stringWithFormat:[window title], processName]];
[titleTextField setStringValue:[NSString stringWithFormat:[titleTextField stringValue], processName]];

[window center];
[window orderFront:self];

NSString *crashLog = [NSString stringWithContentsOfFile:latestCrashPath encoding:NSUTF8StringEncoding error:NULL];
if ([crashLog length] > 0) {
[crashLogs appendString:crashLog];
}

[[problemDetailsTextView textStorage] replaceCharactersInRange:NSMakeRange(0, 0) withString:crashLogs];

[crashReport setObject:crashLogs forKey:@"log"];
[crashReport setObject:@"jesse@hogbaysoftware.com" forKey:@"email"];
}
}
} @catch (NSException * e) {
NSLog(@"Exception while checking for crash reports %@", [e description]);
}
}

- (IBAction)sendReport:(id)sender {
NSString *crashReportURLString = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CrashReporterPostToURL"];

if (!crashReportURLString) {
NSRunAlertPanel(NSLocalizedString(@"Unable to send crash report", nil),
NSLocalizedString(@"No value has been set for the CrashReporterPostToURL key in the applications Info.plist. Please contact the applictions developer.", nil),
NSLocalizedString(@"OK", nil),
nil,
nil);
return;
}

    [crashReport setObject:[[problemCommentsTextView textStorage] string] forKey:@"description"];
    
    NSMutableString *reportString = [[[NSMutableString alloc] init] autorelease];
    NSEnumerator *enumerator = [[crashReport allKeys] objectEnumerator];
    NSString *key;

    while(key = [enumerator nextObject]) {
if ([reportString length] != 0) [reportString appendString:@"&"];
[reportString appendFormat:@"%@=%@", key, [[crashReport objectForKey:key] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
    }
    
    NSData *data = nil;

    while(!data) {
NSError *error;
NSURLResponse *reply;
NSURL *crashReportURL = [NSURL URLWithString:crashReportURLString];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:crashReportURL cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:120];
[request addValue:[[NSProcessInfo processInfo] processName] forHTTPHeaderField:[NSString stringWithFormat:@"%@-Bug-Report", [[NSProcessInfo processInfo] processName]]];
[request setHTTPMethod:@"POST"];
[request setHTTPBody:[reportString dataUsingEncoding:NSUTF8StringEncoding]];

[self setStatusMessage:NSLocalizedString(@"Sending Report...", nil)];

data = [NSURLConnection sendSynchronousRequest:request returningResponse:&reply error:&error];

[self setStatusMessage:@""];

if (!data) {
if (NSRunAlertPanel(NSLocalizedString(@"Unable to send crash report", nil),
error != nil ? [error localizedDescription] : @"",
NSLocalizedString(@"Try Again", nil),
NSLocalizedString(@"Cancel", nil),
nil) == NSAlertAlternateReturn) {
break;
}
} else {
NSRunAlertPanel(NSLocalizedString(@"Thank You", nil),
NSLocalizedString(@"The crash report has been sent.", nil),
NSLocalizedString(@"OK", nil),
nil,
nil);
}
    }

[self close];
}

- (IBAction)ignore:(id)sender {
[self close];
}

@end

NSString *CrashReporterLastCheckDateDefaultsKey = @"CrashReporterLastCheckDateDefaultsKey";
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