New feature: Draw on attachments

Classes/Core/HSTicketSource.m

@@ -97,8 +97,6 @@ - (void)registerUserWithFirstName:(NSString *)firstName lastName:(NSString *)las
         // Store user info so that it can be used when creating ticket.
         // User info is saved only when first ticket is created successfully.
         self.user = validUser;
-        [self clearTicketDraft];
-        [self clearUserDraft];
         success();
 
 
@@ -118,7 +116,7 @@ - (BOOL)shouldShowUserDetailsFormWhenCreatingTicket {
 }
 
 - (void)prepareTicket:(void (^)(void))success failure:(void (^)(NSError *))failure {
-    // Checking if gear implements fetchAllTicket:failure:
+    // Checking if gear implements fetchAllTicket:failure:, not used in any of gear yet
     if ([self.gear respondsToSelector:@selector(fetchAllTicketForUser:success:failure:)]) {
         [self.gear fetchAllTicketForUser:self.user success:^(NSMutableArray *ticketarray) {
             if (ticketarray != nil) {
@@ -165,13 +163,15 @@ - (void)createNewTicket:(HSNewTicket *)details success:(void (^)(void))success f
 
                 //Saves ticket array in cache and user detail in cache
                 [HSTicketSource saveTickets:self.ticketArray atPath:TICKET_CACHE_FILE_NAME];
+                [self clearTicketDraft];
 
                 if ( user != nil) {
                     self.user = user;
                     [HSTicketSource saveUser:user atPath:USER_CACHE_FILE_NAME];
+                    [self clearUserDraft];
                 }
 
-                [self clearTicketDraft];
+
             }
             success();
         } failure:^(NSError *e) {
@@ -218,13 +218,14 @@ - (void)addReply:(HSTicketReply *)details ticket:(HSTicket *)ticketDict success:
     // Checking if gear implements addReply:ticket:success:failure:
 
     __block NSMutableArray* updates = self.updateArray;
+    __block HSTicketSource *currentSelf = self;
 
     if([self.gear respondsToSelector:@selector(addReply:forTicket:byUser:success:failure:)]) {
         [self.gear addReply:details forTicket:ticketDict byUser:self.user success:^(HSUpdate *update) {
             if(update!=nil){ // Safe check
                 [updates addObject:update];
             }
-
+            [currentSelf clearReplyDraft];
             success();
         } failure:^(NSError *e) {
             HALog("Add reply to a ticket failed: %@",e);
@@ -302,7 +303,7 @@ - (void)saveReplyDraft:(NSString *)message {
 
 - (void)saveDraftDetails {
     if (self.draft != nil) {
-        NSString* draftFilePath = [self documentFilePath:DRAFT_FILE_NAME];
+        NSString* draftFilePath = [HSTicketSource documentFilePath:DRAFT_FILE_NAME];
         [NSKeyedArchiver archiveRootObject:self.draft toFile:draftFilePath];
     }
 }
@@ -380,22 +381,12 @@ + (NSString *)directoryName {
     return CACHE_DIRECTORY_NAME;
 }
 
-- (NSString *)directoryName {
-    return CACHE_DIRECTORY_NAME;
-}
-
 + (NSString *) documentFilePath:(NSString *)fileName {
     NSString* documentDirectoryPath = [self getDocumentDirectory];
     NSString* documentFilePath = [documentDirectoryPath stringByAppendingPathComponent:fileName];
     return documentFilePath;
 }
 
-- (NSString *) documentFilePath:(NSString *)fileName {
-    NSString* documentDirectoryPath = [self getDocumentDirectory];
-    NSString* documentFilePath = [documentDirectoryPath stringByAppendingPathComponent:fileName];
-    return documentFilePath;
-}
-
 + (NSString *) getDocumentDirectory {
     NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
     NSString *documentsDirectory = [paths objectAtIndex:0];
@@ -408,17 +399,4 @@ + (NSString *) getDocumentDirectory {
     return documentsDirectory;
 }
 
-- (NSString *) getDocumentDirectory {
-    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
-    NSString *documentsDirectory = [paths objectAtIndex:0];
-    documentsDirectory = [documentsDirectory stringByAppendingPathComponent:[self directoryName]];
-
-    // Create directory if not already exist
-    NSError *error;
-    [[NSFileManager defaultManager] createDirectoryAtPath:documentsDirectory withIntermediateDirectories:YES attributes:nil error:&error];
-
-    return documentsDirectory;
-}
-
-
 @end

Classes/UI/HSEditImageViewController.h

@@ -0,0 +1,40 @@
+//
+//  ViewController.h
+//  Draw
+//
+//  Created by Anirudh S on 13/12/14.
+//  Copyright (c) 2014 HappyFox. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@class HSEditImageViewController;
+@protocol HSEditImageViewControllerDelegate <NSObject>
+- (void)editImageViewController:(HSEditImageViewController *)controller didFinishEditingImage:(NSURL *)imageURL;
+@end
+
+@interface HSEditImageViewController : UIViewController {
+
+    CGPoint lastPoint;
+    CGFloat redValue;
+    CGFloat greenValue;
+    CGFloat blueValue;
+    CGFloat brush;
+    CGFloat opacity;
+    BOOL mouseSwiped;
+}
+
+- (IBAction)pencilPressed:(id)sender;
+- (IBAction)resetImage:(id)sender;
+
+@property (weak, nonatomic) IBOutlet UIButton *save;
+@property (nonatomic, strong) UIImage *attachmentImage;
+@property (nonatomic) IBOutlet UIImageView *imageOnCanvas;
+@property (nonatomic, weak) id <HSEditImageViewControllerDelegate> delegate;
+@property (unsafe_unretained, nonatomic) IBOutlet UIButton *redButton;
+@property (unsafe_unretained, nonatomic) IBOutlet UIButton *greenButton;
+@property (unsafe_unretained, nonatomic) IBOutlet UIButton *blueButton;
+
+@end
+
+

Classes/UI/HSEditImageViewController.m

@@ -0,0 +1,210 @@
+//
+//  ViewController.m
+//  Draw
+//
+//  Created by Anirudh S on 13/12/14.
+//  Copyright (c) 2014 HappyFox. All rights reserved.
+//
+
+#import "HSEditImageViewController.h"
+#import <AssetsLibrary/AssetsLibrary.h>
+
+@interface HSEditImageViewController ()
+@end
+
+@implementation HSEditImageViewController
+
+UIImage* resizedImage;
+
+- (void)viewDidLoad {
+    [self setInitialPaintAndBrushValues];
+
+    [super viewDidLoad];
+
+    UIBarButtonItem *btnSave = [[UIBarButtonItem alloc]
+                                initWithTitle:@"Done"
+                                style:UIBarButtonItemStylePlain
+                                target:self
+                                action:@selector(save_clicked:)];
+    self.navigationItem.rightBarButtonItem = btnSave;
+
+    [self drawAttachmentImage];
+}
+
+- (void)setInitialPaintAndBrushValues {
+    redValue = 255.0/255.0;
+    greenValue = 59.0/255.0;
+    blueValue = 48.0/255.0;
+
+    [[_redButton layer] setBorderColor:[UIColor blackColor].CGColor];
+    [[_redButton layer] setBorderWidth:2.0f];
+
+    brush = 10.0;
+    opacity = 1.0;
+}
+
+- (void)drawAttachmentImage {
+    self.imageOnCanvas.image = _attachmentImage;
+
+    CGFloat maxContainerWidth = self.imageOnCanvas.frame.size.width;
+    CGFloat maxContainerHeight = self.imageOnCanvas.frame.size.height;
+
+    float widthRatio = self.imageOnCanvas.bounds.size.width / _attachmentImage.size.width;
+    float heightRatio = self.imageOnCanvas.bounds.size.height / _attachmentImage.size.height;
+    float scale = MIN(widthRatio, heightRatio);
+    float resizedImageWidth = scale * _attachmentImage.size.width;
+    float resizedImageHeight = scale * _attachmentImage.size.height;
+
+    CGSize resizingSize = CGSizeMake(resizedImageWidth, resizedImageHeight);
+
+    UIGraphicsBeginImageContextWithOptions(resizingSize, NO, 0.0);
+    [_attachmentImage drawInRect:CGRectMake(0, 0, resizedImageWidth, resizedImageHeight)];
+    UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+
+    UIGraphicsBeginImageContextWithOptions(CGSizeMake(maxContainerWidth, maxContainerHeight), NO, 0.0);
+    CGContextRef context = UIGraphicsGetCurrentContext();
+    UIGraphicsPushContext(context);
+
+    CGPoint origin = CGPointMake((maxContainerWidth - resizedImageWidth) / 2.0f,
+                                 (maxContainerHeight - resizedImageHeight) / 2.0f);
+    [scaledImage drawAtPoint:origin];
+
+    UIGraphicsPopContext();
+    resizedImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+
+    self.imageOnCanvas.image = resizedImage;
+}
+
+- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
+    mouseSwiped = NO;
+    UITouch *touch = [touches anyObject];
+    lastPoint = [touch locationInView:self.imageOnCanvas];
+}
+
+- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
+
+    mouseSwiped = YES;
+    UITouch *touch = [touches anyObject];
+    CGPoint currentPoint = [touch locationInView:self.imageOnCanvas];
+
+    UIGraphicsBeginImageContextWithOptions(self.imageOnCanvas.frame.size, NO, 0.0);
+    [self.imageOnCanvas.image drawInRect:CGRectMake(0, 0, self.imageOnCanvas.frame.size.width, self.imageOnCanvas.frame.size.height)];
+    CGContextMoveToPoint(UIGraphicsGetCurrentContext(), lastPoint.x, lastPoint.y);
+    CGContextAddLineToPoint(UIGraphicsGetCurrentContext(), currentPoint.x, currentPoint.y);
+    CGContextSetLineCap(UIGraphicsGetCurrentContext(), kCGLineCapRound);
+    CGContextSetLineWidth(UIGraphicsGetCurrentContext(), brush );
+    CGContextSetRGBStrokeColor(UIGraphicsGetCurrentContext(), redValue, greenValue, blueValue, 1.0);
+    CGContextSetBlendMode(UIGraphicsGetCurrentContext(),kCGBlendModeNormal);
+
+    CGContextStrokePath(UIGraphicsGetCurrentContext());
+    self.imageOnCanvas.image = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+
+    lastPoint = currentPoint;
+}
+
+- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
+
+    if(!mouseSwiped) {
+        UIGraphicsBeginImageContextWithOptions(self.imageOnCanvas.frame.size, NO, 0.0);
+        [self.imageOnCanvas.image drawInRect:CGRectMake(0, 0, self.imageOnCanvas.frame.size.width, self.imageOnCanvas.frame.size.height)];
+        CGContextSetLineCap(UIGraphicsGetCurrentContext(), kCGLineCapRound);
+        CGContextSetLineWidth(UIGraphicsGetCurrentContext(), brush);
+        CGContextSetRGBStrokeColor(UIGraphicsGetCurrentContext(), redValue, greenValue, blueValue, 1.0);
+        CGContextMoveToPoint(UIGraphicsGetCurrentContext(), lastPoint.x, lastPoint.y);
+        CGContextAddLineToPoint(UIGraphicsGetCurrentContext(), lastPoint.x, lastPoint.y);
+        CGContextStrokePath(UIGraphicsGetCurrentContext());
+        CGContextFlush(UIGraphicsGetCurrentContext());
+        self.imageOnCanvas.image = UIGraphicsGetImageFromCurrentImageContext();
+        UIGraphicsEndImageContext();
+    }
+
+    UIGraphicsBeginImageContextWithOptions(self.imageOnCanvas.frame.size, NO, 0.0);
+
+    [self.imageOnCanvas.image drawInRect:CGRectMake(0, 0, self.imageOnCanvas.frame.size.width, self.imageOnCanvas.frame.size.height) blendMode:kCGBlendModeNormal alpha:1.0];
+
+    self.imageOnCanvas.image = UIGraphicsGetImageFromCurrentImageContext();
+
+    UIGraphicsEndImageContext();
+}
+
+- (void)resetAllButtonBorders {
+    [[_redButton layer] setBorderColor:[UIColor clearColor].CGColor];
+    [[_greenButton layer] setBorderColor:[UIColor clearColor].CGColor];
+    [[_blueButton layer] setBorderColor:[UIColor clearColor].CGColor];
+
+    [[_redButton layer] setBorderWidth:2.0f];
+    [[_greenButton layer] setBorderWidth:2.0f];
+    [[_blueButton layer] setBorderWidth:2.0f];
+}
+
+- (IBAction)pencilPressed:(id)sender {
+
+    [self resetAllButtonBorders];
+    UIButton * PressedButton = (UIButton*)sender;
+
+    [[sender layer] setBorderColor:[UIColor blackColor].CGColor];
+    [[sender layer] setBorderWidth:3.0f];
+
+    switch(PressedButton.tag)
+    {
+        case 0:
+            [self setValueRed:255.0 Green:49.0 Blue:48.0];
+            break;
+        case 1:
+            [self setValueRed:76.0 Green:217.0 Blue:100.0];
+            break;
+        case 2:
+            [self setValueRed:0.0 Green:170.0 Blue:255.0];
+            break;
+    }
+}
+
+- (void)setValueRed:(CGFloat)valueRed Green:(CGFloat)valueGreen Blue:(CGFloat)valueBlue {
+    redValue = valueRed/255.0;
+    greenValue = valueGreen/255.0;
+    blueValue = valueBlue/255.0;
+}
+
+- (IBAction)resetImage:(id)sender {
+    self.imageOnCanvas.image = resizedImage;
+}
+
+- (IBAction)save_clicked:(id)sender {
+    UIGraphicsBeginImageContextWithOptions(self.imageOnCanvas.bounds.size, NO,0.0);
+    [self.imageOnCanvas.image drawInRect:CGRectMake(0, 0, self.imageOnCanvas.frame.size.width, self.imageOnCanvas.frame.size.height)];
+    UIImage *savedImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+
+    UIImage *viewImage = savedImage;
+    ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
+    // Request to save the image to camera roll
+    [library writeImageToSavedPhotosAlbum:[viewImage CGImage] orientation:(ALAssetOrientation)[viewImage imageOrientation] completionBlock:^(NSURL *assetURL, NSError *error){
+        if (error) {
+            NSLog(@"error");
+            [self.delegate editImageViewController:self didFinishEditingImage:nil];
+        } else {
+            [self.delegate editImageViewController:self didFinishEditingImage:assetURL];
+        }
+    }];
+}
+
+- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo
+{
+    // Was there an error?
+    if (error != NULL)
+    {
+        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error" message:@"Image could not be saved.Please try again"  delegate:nil cancelButtonTitle:nil otherButtonTitles:@"Close", nil];
+        [alert show];
+    }
+}
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+@end
+