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PurchaseStatsStore.m
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PurchaseStatsStore.m
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#import "PurchaseStatsStore.h"
#define SAVE_INTERVAL 60
@implementation PurchaseStatsProduct
+ (NSArray *)keys {
return @[@"productURL", @"iconDataURL", @"name", @"incomeRate", @"delta", @"direction", @"totalSales", @"pendingEarnings"];
}
- (void)updateWithDictionary:(NSDictionary *)d {
for (NSString *key in [self.class keys]) {
id newValue = d[key];
id oldValue = [self valueForKey:key];
if (newValue && newValue != NSNull.null && ![newValue isEqual:oldValue]) {
[self setValue:newValue forKey:key];
_dirty = YES;
}
}
}
- (id)initWithDictionary:(NSDictionary *)d {
if ((self = [super init])) {
[self updateWithDictionary:d];
}
return self;
}
- (NSDictionary *)dictionary {
NSMutableDictionary *d = [NSMutableDictionary dictionary];
for (NSString *key in [self.class keys]) {
id value = [self valueForKey:key];
if (value) {
d[key] = value;
}
}
return d;
}
@end
@implementation PurchaseStatsStore {
PurchaseStatsSettings *_settings;
NSMutableDictionary *_products;
PurchaseStatsProduct *_summary;
NSTimer *_saveTimer;
}
- (void)scheduleSave {
if (!_saveTimer) {
_saveTimer = [NSTimer scheduledTimerWithTimeInterval:SAVE_INTERVAL target:self selector:@selector(save) userInfo:nil repeats:NO];
}
}
- (void)save {
if (_saveTimer) {
[_saveTimer invalidate];
_saveTimer = nil;
NSData *data = [NSPropertyListSerialization dataFromPropertyList:self.dictionary format:NSPropertyListBinaryFormat_v1_0 errorDescription:NULL];
[data writeToFile:STORE_PLIST options:NSAtomicWrite error:NULL];
}
}
- (id)init {
if ((self = [super init])) {
NSMutableDictionary *stats = [NSMutableDictionary dictionaryWithContentsOfFile:STORE_PLIST];
_summary = [[PurchaseStatsProduct alloc] initWithDictionary:stats[@"summary"]];
_summary.dirty = NO;
_products = [[NSMutableDictionary alloc] init];
for (NSDictionary *productDict in stats[@"products"]) {
PurchaseStatsProduct *product = [[PurchaseStatsProduct alloc] initWithDictionary:productDict];
product.dirty = NO;
_products[product.productURL] = product;
}
}
return self;
}
- (void)dealloc {
[self save];
}
- (void)setSettings:(PurchaseStatsSettings *)settings {
_settings = settings;
}
- (NSDictionary *)dictionary {
NSMutableDictionary *stats = [NSMutableDictionary dictionary];
NSMutableArray *products = [NSMutableArray array];
for (PurchaseStatsProduct *product in _products.allValues) {
[products addObject:product.dictionary];
}
stats[@"summary"] = _summary.dictionary;
stats[@"products"] = products;
return stats;
}
- (void)updateSummary {
int totalSales = 0;
double pendingEarnings = 0;
for (PurchaseStatsProduct *product in _products.allValues) {
totalSales += [product.totalSales intValue];
pendingEarnings += [[product.pendingEarnings stringByReplacingOccurrencesOfString:@"$" withString:@""] doubleValue];
}
[_summary updateWithDictionary:@{
@"totalSales" : [NSString stringWithFormat:@"%d", totalSales],
@"pendingEarnings" : [NSString stringWithFormat:@"$%.0f", pendingEarnings]
}];
}
static NSString *toDataURL(NSData *data) {
NSString *dataStr = [[NSString alloc] initWithData:data encoding:NSISOLatin1StringEncoding];
dataStr = [dataStr stringByAddingPercentEscapesUsingEncoding:NSISOLatin1StringEncoding];
return [@"data:," stringByAppendingString:dataStr];
}
- (void)updateProductWithDictionary:(NSDictionary *)d {
PurchaseStatsProduct *product;
NSString *productURL = d[@"productURL"];
if (productURL) {
product = _products[productURL];
} else {
product = _summary;
if (!d[@"asyncIconResult"]) {
d = [[NSMutableDictionary alloc] initWithDictionary:d];
NSString *iconDataURL = d[@"iconDataURL"];
[(NSMutableDictionary *)d removeObjectForKey:@"iconDataURL"];
if (iconDataURL && (!product.iconDataURL || /* hack to fix broken caches from previous version */[product.iconDataURL hasPrefix:@"http"])) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSData *iconData = [NSData dataWithContentsOfURL:[NSURL URLWithString:iconDataURL]];
if (iconData) {
NSString *dataURL = toDataURL(iconData);
dispatch_async(dispatch_get_main_queue(), ^{
[self updateProductWithDictionary:@{ @"asyncIconResult" : @YES, @"iconDataURL" : dataURL }];
});
}
});
}
}
}
if (!product) {
product = [[PurchaseStatsProduct alloc] initWithDictionary:d];
_products[productURL] = product;
} else {
[product updateWithDictionary:d];
}
if (product.dirty) {
if (product != _summary) {
[self updateSummary];
}
if (_summary.dirty) {
_summary.dirty = NO;
[_delegate purchaseStatsStore:self updatedProduct:_summary];
}
product.dirty = NO;
if ([_settings isProductVisible:product.productURL]) {
[_delegate purchaseStatsStore:self updatedProduct:product];
}
[self scheduleSave];
}
}
- (NSArray *)allProducts {
return _products.allValues;
}
- (NSArray *)visibleProducts {
NSMutableArray *visibleProducts = [NSMutableArray array];
for (PurchaseStatsProduct *product in _products.allValues) {
if ([_settings isProductVisible:product.productURL]) {
[visibleProducts addObject:product];
}
}
[visibleProducts insertObject:_summary atIndex:0];
return visibleProducts;
}
@end