fluttercommunity · salmaahhmed · Nov 21, 2023 · Oct 18, 2023 · Nov 21, 2023
@@ -2,7 +2,6 @@ import 'dart:io';
 import 'dart:isolate';
 import 'dart:ui';
 
-import 'package:android_path_provider/android_path_provider.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_downloader/flutter_downloader.dart';
@@ -363,48 +362,12 @@ class _MyHomePageState extends State<MyHomePage> {
 
   Future<String?> _getSavedDir() async {
     String? externalStorageDirPath;
-
-    if (Platform.isAndroid) {
-      try {
-        externalStorageDirPath = await AndroidPathProvider.downloadsPath;
-      } catch (err, st) {
-        print('failed to get downloads path: $err, $st');
-
-        final directory = await getExternalStorageDirectory();
-        externalStorageDirPath = directory?.path;
-      }
-    } else if (Platform.isIOS) {
-      // var dir = (await _dirsOnIOS)[0]; // temporary
-      // var dir = (await _dirsOnIOS)[1]; // applicationSupport
-      // var dir = (await _dirsOnIOS)[2]; // library
-      var dir = (await _dirsOnIOS)[3]; // applicationDocuments
-      // var dir = (await _dirsOnIOS)[4]; // downloads
-
-      dir ??= await getApplicationDocumentsDirectory();
-      externalStorageDirPath = dir.absolute.path;
-    }
+    externalStorageDirPath =
+        (await getApplicationDocumentsDirectory()).absolute.path;
 
     return externalStorageDirPath;
   }
 
-  Future<List<Directory?>> get _dirsOnIOS async {
-    final temporary = await getTemporaryDirectory();
-    final applicationSupport = await getApplicationSupportDirectory();
-    final library = await getLibraryDirectory();
-    final applicationDocuments = await getApplicationDocumentsDirectory();
-    final downloads = await getDownloadsDirectory();
-
-    final dirs = [
-      temporary,
-      applicationSupport,
-      library,
-      applicationDocuments,
-      downloads
-    ];
-
-    return dirs;
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(

@@ -21,10 +21,6 @@
 
 -(NSArray *)loadDataFromDB:(NSString *)query withParameters:(NSArray *)parameters;
 
-- (void)addLazilyColumnForTable:(const char *)table
-                         column:(const char *)column
-                           type:(const char *)type
-                   defaultValue:(const char *)defaultValue;
 
 -(void)executeQuery:(NSString *)query withParameters:(NSArray *)parameters;
 

@@ -83,77 +83,6 @@ -(void)copyDatabaseIntoAppDirectory{
     }
 }
 
-- (void)addLazilyColumnForTable:(const char *)table
-                         column:(const char *)column
-                           type:(const char *)type
-                   defaultValue:(const char *)defaultValue {
-
-    sqlite3 *sqlite3Database;
-    NSString *databasePath = [self.appDirectory stringByAppendingPathComponent:self.databaseFilename];
-
-    if (debug) {
-        NSLog(@"databasePath: %@", databasePath);
-    }
-
-    int openDatabaseResult = sqlite3_open([databasePath UTF8String], &sqlite3Database);
-
-    if(openDatabaseResult != SQLITE_OK) {
-        if(debug) {
-            NSLog(@"error opening the database with error no.: %d", openDatabaseResult);
-        }
-
-        return;
-    }
-
-    if (debug) {
-        NSLog(@"open DB successfully");
-    }
-
-    sqlite3_stmt *compiledStatement;
-
-    const char *prefix = "select * from ";
-    char *select = (char *)malloc(strlen(prefix) + strlen(table) + 1);
-    sprintf(select, "%s%s", prefix, table);
-    int prepareStatementResult = sqlite3_prepare_v2(sqlite3Database, (const char *)select, -1, &compiledStatement, NULL);
-    if(prepareStatementResult == SQLITE_OK) {
-        int isExistTargetColumn = -1;
-        int totalColumns = sqlite3_column_count(compiledStatement);
-        for (int i = 0; i < totalColumns; i++) {
-            char *dbDataAsChars = (char *)sqlite3_column_text(compiledStatement, i);
-            dbDataAsChars = (char *)sqlite3_column_name(compiledStatement, i);
-            if (strcmp(dbDataAsChars, column) == 0) {
-                isExistTargetColumn = 0;
-                break;
-            }
-        }
-
-        if (isExistTargetColumn == -1) {
-            const char *component = "alter table";
-            const char *component1 = "add column";
-            const char *component2 = "default";
-            char *insert = (char *)malloc(strlen(component) + strlen(table) + strlen(component1) + strlen(column) + strlen(type) + strlen(column) + strlen(component2)  + strlen(defaultValue) + 6 + 1);
-            sprintf(insert, "%s %s %s %s %s %s %s", component, table, component1, column, type, component2, defaultValue);
-            int execResult = sqlite3_exec(sqlite3Database, insert, NULL, NULL, NULL);
-            if (execResult != SQLITE_OK) {
-                if (debug) {
-                    fprintf(stderr, "sqlite3_exec error :%s\r\n", sqlite3_errmsg(sqlite3Database));
-                }
-            }
-        } else {
-            if (debug) {
-                NSLog(@"DB table %s column %s already exists", table, column);
-            }
-        }
-    } else {
-        if (debug) {
-            NSLog(@"%s", sqlite3_errmsg(sqlite3Database));
-        }
-    }
-
-    sqlite3_finalize(compiledStatement);
-    sqlite3_close(sqlite3Database);
-}
-
 
 - (void)runQuery:(const char *)query withParameters:(NSArray *)parameters isQueryExecutable:(BOOL)queryExecutable {
 

@@ -11,7 +11,7 @@
 
 #define KEY_URL @"url"
 #define KEY_SAVED_DIR @"saved_dir"
-#define KEY_SEARCH_DIR @"search_dir"
+
 #define KEY_FILE_NAME @"file_name"
 #define KEY_PROGRESS @"progress"
 #define KEY_ID @"id"
@@ -58,8 +58,6 @@ @implementation FlutterDownloaderPlugin
 static int _step = 10;
 static NSMutableDictionary<NSString*, NSMutableDictionary*> *_runningTaskById = nil;
 
-static NSSearchPathDirectory const kDefaultSearchPathDirectory = NSDocumentDirectory;
-
 @synthesize databaseQueue;
 
 - (instancetype)init:(NSObject<FlutterPluginRegistrar> *)registrar;
@@ -98,11 +96,6 @@ - (instancetype)init:(NSObject<FlutterPluginRegistrar> *)registrar;
 
         _dbManager = [[DBManager alloc] initWithDatabaseFilePath:dbPath];
 
-        __typeof__(self) __weak weakSelf = self;
-        [self executeInDatabaseQueueForTask:^{
-            [weakSelf addDatabaseColumnForMakingFileCouldSaveInAnyDirectory];
-        }];
-
         if (_runningTaskById == nil) {
             _runningTaskById = [[NSMutableDictionary alloc] init];
         }
@@ -315,13 +308,6 @@ - (void)executeInDatabaseQueueForTask:(void (^)(void))task {
     });
 }
 
-+ (NSArray<NSNumber *> *)avaliableCommonDirectories {
-    return @[@(NSCachesDirectory),
-             @(NSApplicationSupportDirectory),
-             @(NSLibraryDirectory),
-             @(kDefaultSearchPathDirectory),
-             @(NSDownloadsDirectory)];;
-}
 
 - (BOOL)openDocumentWithURL:(NSURL*)url {
     if (debug) {
@@ -382,31 +368,10 @@ - (NSURL*)fileUrlOf:(NSString*)taskId taskInfo:(NSDictionary*)taskInfo downloadT
      return [self fileUrlFromDict:mutableTaskInfo];
 }
 
-- (NSString*)absoluteSavedDirPathWithShortSavedDir:(NSString*)shortSavedDir searchPathDirectory:(NSSearchPathDirectory)searchPathDirectory {
-    return [[NSSearchPathForDirectoriesInDomains(searchPathDirectory, NSUserDomainMask, YES) firstObject] stringByAppendingPathComponent:shortSavedDir];
-}
-
 - (NSString *)sanitizeFilename:(nullable NSString *)filename {
     // Define a list of allowed characters for filenames
-    NSMutableCharacterSet *allowedCharacters = [[NSMutableCharacterSet alloc] init];
-
-    // Allow alphabetical characters (lowercase and uppercase)
-    [allowedCharacters formUnionWithCharacterSet:[NSCharacterSet letterCharacterSet]];
-
-    // Allow digits
-    [allowedCharacters addCharactersInRange:NSMakeRange('0', 10)]; // ASCII digits
-
-    // Allow additional characters: -_.()
-    [allowedCharacters addCharactersInString:@"-_.()"];
+    NSCharacterSet *allowedCharacters = [[NSCharacterSet characterSetWithCharactersInString:@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.() "] invertedSet];
 
-    // Allow empty spaces
-    [allowedCharacters addCharactersInString:@" "];
-
-    // Remove the backslash (if you want to disallow it)
-    [allowedCharacters removeCharactersInString:@"\\"];
-
-    // Now, you have a character set that allows the specified characters
-    NSCharacterSet *finalCharacterSet = [allowedCharacters copy];
     if (filename == nil || [filename isEqual:[NSNull null]] || [filename isEqualToString:@""]) {
            NSString *defaultFilename = @"default_filename";
            return defaultFilename;
@@ -439,39 +404,30 @@ - (NSString *)sanitizeFilename:(nullable NSString *)filename {
 }
 
 
+- (NSString*)absoluteSavedDirPath:(NSString*)savedDir {
+    return [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject] stringByAppendingPathComponent:savedDir];
+}
 
-- (NSArray *)shortenSavedDirPath:(NSString*)absolutePath {
+- (NSString*)shortenSavedDirPath:(NSString*)absolutePath {
     if (debug) {
         NSLog(@"Absolute savedDir path: %@", absolutePath);
     }
 
-    for (NSNumber *element in self.class.avaliableCommonDirectories) {
-        NSString *shortSvedDirPath = [self shortenSavedDirPath:absolutePath searchPathDirectory:element.unsignedIntegerValue];
-        if (shortSvedDirPath) {
-            return @[shortSvedDirPath, element];
-        }
-    }
-
-    return @[@"", @(kDefaultSearchPathDirectory)];
-}
-
-- (NSString*)shortenSavedDirPath:(NSString*)absolutePath searchPathDirectory:(NSSearchPathDirectory)searchPathDirectory {
     if (absolutePath) {
-        NSString *searchDirPath = [NSSearchPathForDirectoriesInDomains(searchPathDirectory, NSUserDomainMask, YES) firstObject];
-        if ([absolutePath isEqualToString:searchDirPath]) {
+        NSString* documentDirPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject];
+        if ([absolutePath isEqualToString:documentDirPath]) {
             return @"";
         }
-        NSRange foundRank = [absolutePath rangeOfString:searchDirPath];
+        NSRange foundRank = [absolutePath rangeOfString:documentDirPath];
         if (foundRank.length > 0) {
             // we increase the location of range by one because we want to remove the file separator as well.
-            NSString *shortenSavedDirPath = [absolutePath substringWithRange:NSMakeRange(foundRank.length + 1, absolutePath.length - searchDirPath.length - 1)];
+            NSString *shortenSavedDirPath = [absolutePath substringWithRange:NSMakeRange(foundRank.length + 1, absolutePath.length - documentDirPath.length - 1)];
             return shortenSavedDirPath != nil ? shortenSavedDirPath : @"";
         }
     }
-
-    return nil;
-}
 
+    return absolutePath;
+}
 
 - (long long)currentTimeInMilliseconds
 {
@@ -480,27 +436,7 @@ - (long long)currentTimeInMilliseconds
 
 # pragma mark - Database Accessing
 
-/// Before version 1.11.1, FlutterDownloader only allows file to be saved in [NSDocumentDirectory]. This limits the freedom of development.
-///
-/// This function serves two purposes:
-///
-/// 1. Add a database column `search_dir` for determining common root directory such as the flowing directories
-///
-///    - NSCachesDirectory
-///    - NSApplicationSupportDirectory
-///    - NSLibraryDirectory
-///    - NSDocumentDirectory
-///    - NSDownloadsDirectory
-///
-///    Definition of common root directory refers to [path_provider](https://github.com/flutter/packages/blob/main/packages/path_provider/path_provider/lib/path_provider.dart).
-///
-/// 2.  Resolve previous compatibility issue
-- (void)addDatabaseColumnForMakingFileCouldSaveInAnyDirectory {
-    [_dbManager addLazilyColumnForTable:"task"
-                                 column:KEY_SEARCH_DIR.UTF8String
-                                   type:"integer"
-                           defaultValue:[NSString stringWithFormat:@"%lu", kDefaultSearchPathDirectory].UTF8String]; // kDefaultSearchPathDirectory is [NSDocumentDirectory](9), this is compatible with previous FlutterDownloader versions.
-}
+
 - (NSString*) escape:(NSString*) origin revert:(BOOL)revert
 {
     if ( origin == (NSString *)[NSNull null] )
@@ -519,18 +455,16 @@ - (void)addNewTask:(NSString *)taskId
            progress:(int)progress
            filename:(NSString *)filename
            savedDir:(NSString *)savedDir
-           searchDir:(NSSearchPathDirectory)searchDir
            headers:(NSString *)headers
            resumable:(BOOL)resumable
            showNotification:(BOOL)showNotification
            openFileFromNotification:(BOOL)openFileFromNotification {
 
     headers = [self escape:headers revert:NO];
 
-    NSString *query = @"INSERT INTO task (task_id, url, status, progress, file_name, saved_dir, search_dir, headers, resumable, show_notification, open_file_from_notification, time_created) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
-    NSNumber *searchDirValue = @(searchDir);
+    NSString *query = @"INSERT INTO task (task_id, url, status, progress, file_name, saved_dir, headers, resumable, show_notification, open_file_from_notification, time_created) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
     NSString *sanitizedFileName = [self sanitizeFilename:filename];
-    NSArray *values = @[taskId, url, @(status), @(progress), sanitizedFileName, savedDir, searchDirValue, headers, @(resumable ? 1:0), @(showNotification ? 1 : 0), @(openFileFromNotification ? 1: 0), @([self currentTimeInMilliseconds])];
+    NSArray *values = @[taskId, url, @(status), @(progress), sanitizedFileName, savedDir, headers, @(resumable ? 1:0), @(showNotification ? 1 : 0), @(openFileFromNotification ? 1: 0), @([self currentTimeInMilliseconds])];
 
     [_dbManager executeQuery:query withParameters:values];
 
@@ -723,16 +657,9 @@ - (NSDictionary*) taskDictFromRecordArray:(NSArray*)record
         int progress = [[record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:@"progress"]] intValue];
         NSString *url = [record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:@"url"]];
         NSString *filename = [record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:@"file_name"]];
-        NSString *shortSavedDir = [record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:@"saved_dir"]];
-
-        NSString *searchDirStr = [record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:KEY_SEARCH_DIR]];
-        int searchDir = [searchDirStr intValue];
-        NSNumber *searchDirNum = [NSNumber numberWithInt:searchDir];
-
-        NSString *savedDir = [self absoluteSavedDirPathWithShortSavedDir:shortSavedDir searchPathDirectory:searchDir];
-
+        NSString *savedDir = [self absoluteSavedDirPath:[record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:@"saved_dir"]]];
         NSString *headers = @"";
-        // in certain cases, headers column might not be available and will cause NSRangeException
+       // in certain cases, headers column might not be available and will cause NSRangeException
         @try {
             NSString *rawHeaders = [record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:@"headers"]];
             headers = [self escape:rawHeaders revert:true];
@@ -743,7 +670,7 @@ - (NSDictionary*) taskDictFromRecordArray:(NSArray*)record
         int showNotification = [[record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:@"show_notification"]] intValue];
         int openFileFromNotification = [[record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:@"open_file_from_notification"]] intValue];
         long long timeCreated = [[record objectAtIndex:[_dbManager.arrColumnNames indexOfObject:@"time_created"]] longLongValue];
-        return [NSDictionary dictionaryWithObjectsAndKeys:taskId, KEY_TASK_ID, @(status), KEY_STATUS, @(progress), KEY_PROGRESS, url, KEY_URL, filename, KEY_FILE_NAME, headers, KEY_HEADERS, savedDir, KEY_SAVED_DIR, searchDirNum, KEY_SEARCH_DIR, [NSNumber numberWithBool:(resumable == 1)], KEY_RESUMABLE, [NSNumber numberWithBool:(showNotification == 1)], KEY_SHOW_NOTIFICATION, [NSNumber numberWithBool:(openFileFromNotification == 1)], KEY_OPEN_FILE_FROM_NOTIFICATION, @(timeCreated), KEY_TIME_CREATED, nil];
+        return [NSDictionary dictionaryWithObjectsAndKeys:taskId, KEY_TASK_ID, @(status), KEY_STATUS, @(progress), KEY_PROGRESS, url, KEY_URL, filename, KEY_FILE_NAME, headers, KEY_HEADERS, savedDir, KEY_SAVED_DIR, [NSNumber numberWithBool:(resumable == 1)], KEY_RESUMABLE, [NSNumber numberWithBool:(showNotification == 1)], KEY_SHOW_NOTIFICATION, [NSNumber numberWithBool:(openFileFromNotification == 1)], KEY_OPEN_FILE_FROM_NOTIFICATION, @(timeCreated), KEY_TIME_CREATED, nil];
     } @catch(NSException *exception) {
         NSLog(@"invalid task data: %@", exception);
         return [NSDictionary dictionary];
@@ -789,14 +716,8 @@ - (void) unqueueStatusEvents {
 
 - (void)enqueueMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
     NSString *urlString = call.arguments[KEY_URL];
-
-    NSString *savedDirFromSource = call.arguments[KEY_SAVED_DIR];
-    NSArray *shortSavedDirArgs = [self shortenSavedDirPath:savedDirFromSource];
-    NSString *shortSavedDir = shortSavedDirArgs[0];
-    NSNumber *searchDirNum = shortSavedDirArgs[1];
-    NSSearchPathDirectory searchDir = searchDirNum.unsignedIntegerValue;
-    NSString *savedDir = [self absoluteSavedDirPathWithShortSavedDir:shortSavedDir searchPathDirectory:searchDir];
-
+    NSString *savedDir = call.arguments[KEY_SAVED_DIR];
+    NSString *shortSavedDir = [self shortenSavedDirPath:savedDir];
     NSString *fileName = call.arguments[KEY_FILE_NAME];
     NSString *headers = call.arguments[KEY_HEADERS];
     NSNumber *showNotification = call.arguments[KEY_SHOW_NOTIFICATION];
@@ -810,7 +731,6 @@ - (void)enqueueMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result
                                   urlString, KEY_URL,
                                   fileName, KEY_FILE_NAME,
                                   savedDir, KEY_SAVED_DIR,
-                                  searchDirNum, KEY_SEARCH_DIR,
                                   headers, KEY_HEADERS,
                                   showNotification, KEY_SHOW_NOTIFICATION,
                                   openFileFromNotification, KEY_OPEN_FILE_FROM_NOTIFICATION,
@@ -822,7 +742,7 @@ - (void)enqueueMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result
     __typeof__(self) __weak weakSelf = self;
 
     [self executeInDatabaseQueueForTask:^{
-        [weakSelf addNewTask:taskId url:urlString status:STATUS_ENQUEUED progress:0 filename:fileName savedDir:shortSavedDir searchDir:searchDir headers:headers resumable:NO showNotification: [showNotification boolValue] openFileFromNotification: [openFileFromNotification boolValue]];
+        [weakSelf addNewTask:taskId url:urlString status:STATUS_ENQUEUED progress:0 filename:fileName savedDir:shortSavedDir headers:headers resumable:NO showNotification: [showNotification boolValue] openFileFromNotification: [openFileFromNotification boolValue]];
     }];
     result(taskId);
     [self sendUpdateProgressForTaskId:taskId inStatus:@(STATUS_ENQUEUED) andProgress:@0];