erpsuiteios/common/FileCache.m

//
//  FileCache.m
//  RedAnt Mobile
//
//  Created by Ray on 08/09/2017.
//  Copyright © 2017 Ray. All rights reserved.
//

#import "FileCache.h"
#import "AppDelegate.h"
#import "const.h"


@implementation FileCache


+ (void) cache_img: (NSData*) imgData filename:(NSString*) name saveTo:(NSString*) path
{
    
    path=[path stringByReplacingOccurrencesOfString:@"https://" withString:@""];
    path=[path stringByReplacingOccurrencesOfString:@"http://" withString:@""];
    path=[path stringByReplacingOccurrencesOfString:name withString:@""];
    
    //    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
    //    NSString *cachefolder = [paths objectAtIndex:0];
    //    NSString *img_cache = [cachefolder stringByAppendingPathComponent:[NSString stringWithFormat:@"img_cache/%@",@"www.newpacificdirect.com/u/NPD/20160615/mytest/"]];
    //    if ([[NSFileManager defaultManager] fileExistsAtPath:img_cache]) {
    //
    //        DebugLog(@"目录已经存在了");
    //
    //    }
    //    else
    //    {
    //        NSError *error = nil;
    //        bool bsuccess=[[NSFileManager defaultManager] createDirectoryAtPath:img_cache withIntermediateDirectories:YES attributes:nil error:&error];
    //
    //        if(!bsuccess)
    //            DebugLog(@"Create temp folder failed");
    //    }
    
    
    if(path.length==0)
        path=@"";
    
    AppDelegate *appDelegate = (AppDelegate*)[[UIApplication sharedApplication] delegate];
    
//    if(appDelegate.bEnable_Cache==false)
//        return ;
    if(imgData==nil)
        return;
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
    NSString *cachefolder = [paths objectAtIndex:0];
    NSString *img_cache = [cachefolder stringByAppendingPathComponent:[NSString stringWithFormat:@"img_cache/%@",path]];
    NSFileManager* fileManager = [NSFileManager defaultManager];
    BOOL bdir=YES;
    if(!  [fileManager fileExistsAtPath:img_cache isDirectory:&bdir])
    {
        
        NSError *error = nil;
        bool bsuccess=[fileManager createDirectoryAtPath:img_cache withIntermediateDirectories:YES attributes:nil error:&error];
        
        if(!bsuccess)
            DebugLog(@"Create cache folder failed");
        
        //        if(bsuccess)
        //        {
        //            sqlite3 *db = [self get_db];
        //
        //            [self execSql:[NSString stringWithFormat:@"insert into img_cache(name) values('%@')",name] db:db];
        //            [iSalesDB close_db:db];
        //        }
    }
    NSString *filePath = [img_cache stringByAppendingPathComponent:name];
    bool bsuccess=[imgData writeToFile:filePath atomically:YES];
    
    if(bsuccess)
        DebugLog(@"IMG CACHE SUCCESS,%@",name);
    else
        DebugLog(@"IMG CACHE FAILED,%@",name);
    
}
+ (NSData*) load_cached_img:(NSString*) filename loadFrom:(NSString*) path
{
    if(path.length==0)
        return nil;
    
    path=[path stringByReplacingOccurrencesOfString:@"https://" withString:@""];
    path=[path stringByReplacingOccurrencesOfString:@"http://" withString:@""];
    //    path=[path stringByReplacingOccurrencesOfString:filename withString:@""];
    
    AppDelegate *appDelegate = (AppDelegate*)[[UIApplication sharedApplication] delegate];
    
//    if(appDelegate.bEnable_Cache==false)
//        return nil;
    
    
    NSData* data = nil;
    
    
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
    NSString *cachefolder = [paths objectAtIndex:0];
    NSString *img_cache = [cachefolder stringByAppendingPathComponent:@"img_cache"];
    NSString *filePath = [img_cache stringByAppendingPathComponent:path];
    
    NSFileManager* fileManager = [NSFileManager defaultManager];
    if(  [fileManager fileExistsAtPath:filePath ])
    {
        data = [NSData dataWithContentsOfFile: filePath];
    }
    
    //    NSString* sqliteQuery = [NSString stringWithFormat:@"SELECT img FROM img_cache WHERE name = '%@'", filename];
    //    sqlite3_stmt* statement;
    
    //    sqlite3 *db = [self get_db];
    //
    ////    if( sqlite3_prepare_v2(db, [sqliteQuery UTF8String], -1, &statement, NULL) == SQLITE_OK )
    ////    {
    ////        if( sqlite3_step(statement) == SQLITE_ROW )
    ////        {
    ////            int length = sqlite3_column_bytes(statement, 0);
    ////            data       = [NSData dataWithBytes:sqlite3_column_blob(statement, 0) length:length];
    ////        }
    ////    }
    //
    //    // Finalize and close database.
    //    sqlite3_finalize(statement);
    
    
    // [iSalesDB close_db:db];
    return data;
    
}
@end