Liquidart is a Dart HTTP server framework for building REST APIs. Includes PostgreSQL ORM and OAuth2 provider. Revival of the abandoned AQUEDUCT project.

Global search and replace in the documentation has inadvertently replaced some references to Aqueduct that shouldn't have been:

"This is a revival of the Liquidart project, which was abandoned by the StableKernel team. They did a great job with the Liquidart package, but reached a point where they can no longer support its active development."

Great to see you keep the abandoned project alive as Liquidart.

my system is : Flutter 2.0.1 • channel stable • Dart SDK version: 2.12.0 (stable) on "macos_x64", I just command with

pub global activate liquidart

, it failed on precompile with this message:

• _fe_analyzer_shared 14.0.0 (19.0.0 available)
• analyzer 0.41.2 (1.3.0 available)
• args 1.6.0 (2.0.0 available)
• async 2.5.0
• buffer 1.1.0
• charcode 1.2.0
• checked_yaml 1.0.4 (2.0.1 available)
• cli_util 0.3.0
• codable 1.0.0 (discontinued)
• collection 1.15.0
• convert 2.1.1 (3.0.0 available)
• crypto 2.1.5 (3.0.1 available)
• file 6.1.0
• glob 2.0.1
• isolate_executor 2.0.2+3 (discontinued)
• json_annotation 4.0.1
• liquidart 4.0.1-b2
• logging 0.11.4 (1.0.1 available)
• meta 1.3.0
• open_api 2.0.1 (discontinued)
• package_config 1.9.3 (2.0.0 available)
• password_hash 2.0.0 (discontinued)
• path 1.8.0
• pedantic 1.11.0
• postgres 2.2.0 (2.3.1 available)
• pub_cache 0.2.3 (0.3.0 available)
• pub_semver 1.4.4 (2.0.0 available)
• pubspec_parse 0.1.8 (1.0.0 available)
• runtime 1.0.0-9 (discontinued)
• safe_config 3.0.0-b2 (discontinued)
• source_span 1.8.1
• string_scanner 1.1.0
• term_glyph 1.2.0
• typed_data 1.3.0
• watcher 1.0.0
• yaml 2.2.1 (3.1.0 available) Downloading liquidart 4.0.1-b2... Downloading safe_config 3.0.0-b2... Downloading runtime 1.0.0-9... Downloading password_hash 2.0.0... Downloading open_api 2.0.1... Downloading codable 1.0.0... Downloading yaml 2.2.1... Downloading pub_cache 0.2.3... Downloading logging 0.11.4... Downloading pub_semver 1.4.4... Downloading pubspec_parse 0.1.8... Downloading checked_yaml 1.0.4... Downloading isolate_executor 2.0.2+3... Downloading args 1.6.0... Downloading postgres 2.2.0... Downloading buffer 1.1.0... Downloading crypto 2.1.5... Downloading charcode 1.2.0... Downloading convert 2.1.1... Downloading path 1.8.0... Downloading json_annotation 4.0.1... Downloading string_scanner 1.1.0... Downloading source_span 1.8.1... Downloading collection 1.15.0... Downloading term_glyph 1.2.0... Downloading typed_data 1.3.0... Downloading meta 1.3.0... Downloading analyzer 0.41.2... Downloading _fe_analyzer_shared 14.0.0... Downloading cli_util 0.3.0... Downloading package_config 1.9.3... Downloading glob 2.0.1... Downloading async 2.5.0... Downloading pedantic 1.11.0... Downloading file 6.1.0... Downloading watcher 1.0.0... Precompiling executables... (7.1s) Failed to precompile liquidart:liquidart: ../../../../../.pub-cache/hosted/pub.dartlang.org/isolate_executor-2.0.2+3/lib/src/source_generator.dart:6:8: Error: Error when reading '../../../../../.pub-cache/hosted/pub.dartlang.org/analyzer-0.41.2/lib/analyzer.dart': No such file or directory import 'package:analyzer/analyzer.dart'; ^ ../../../../../.pub-cache/hosted/pub.dartlang.org/isolate_executor-2.0.2+3/lib/src/source_generator.dart:52:17: Error: Type 'ClassDeclaration' not found. static Future _getClass(Type type) async { ^^^^^^^^^^^^^^^^ ../../../../../.pub-cache/hosted/pub.dartlang.org/isolate_executor-2.0.2+3/lib/src/source_generator.dart:54:22: Error: Method not found: 'parseDartFile'. final fileUnit = parseDartFile(uri.toFilePath(windows: Platform.isWindows)); ^^^^^^^^^^^^^ ../../../../../.pub-cache/hosted/pub.dartlang.org/isolate_executor-2.0.2+3/lib/src/source_generator.dart:58:28: Error: 'ClassDeclaration' isn't a type. .where((u) => u is ClassDeclaration) ^^^^^^^^^^^^^^^^ ../../../../../.pub-cache/hosted/pub.dartlang.org/isolate_executor-2.0.2+3/lib/src/source_generator.dart:59:28: Error: 'ClassDeclaration' isn't a type. .map((cu) => cu as ClassDeclaration) ^^^^^^^^^^^^^^^^

Currently in the readme, there is a link to the aqueduct docs. It would be nice if there is an own documentation linked (https://aldrinsartfactory.github.io/liquidart/).

I migration Aqueduct to Liquidart but I can't run command line: liquidart serve I using liquidart: ^5.0.0-b7

liquidart serve Unhandled exception: Bad state: No element #0 ListMixin.first (dart:collection/list.dart:99:22) #1 EntityBuilder.getTableDefinitionForType (package:liquidart/src/runtime/orm/entity_builder.dart:246:35) #2 new EntityBuilder (package:liquidart/src/runtime/orm/entity_builder.dart:18:31) #3 DataModelCompiler.compile.<anonymous closure> (package:liquidart/src/runtime/orm/data_model_compiler.dart:15:42) #4 MappedIterator.moveNext (dart:_internal/iterable.dart:389:20) #5 new _GrowableList._ofOther (dart:core-patch/growable_array.dart:198:26) #6 new _GrowableList.of (dart:core-patch/growable_array.dart:152:26) #7 new List.of (dart:core-patch/array_patch.dart:50:28) #8 Iterable.toList (dart:core/iterable.dart:366:12) #9 DataModelCompiler.compile (package:liquidart/src/runtime/orm/data_model_compiler.dart:15:60) #10 LiquidartCompiler.compile (package:liquidart/src/runtime/compiler.dart:26:34) #11 new MirrorContext._.<anonymous closure> (package:replica/src/mirror_context.dart:13:34) #12 List.forEach (dart:core-patch/growable_array.dart:403:8) #13 new MirrorContext._ (package:replica/src/mirror_context.dart:12:15) #14 instance (package:replica/src/mirror_context.dart:7:41) #15 instance (package:replica/src/mirror_context.dart) #16 RuntimeContext.current (package:replica/src/context.dart:10:33) #17 CLICommand.decode (package:liquidart/src/cli/command.dart:110:27) #18 CLICommand.showColors (package:liquidart/src/cli/command.dart:71:26) #19 CLICommand.colorSymbol (package:liquidart/src/cli/command.dart:218:10) #20 CLICommand.displayError (package:liquidart/src/cli/command.dart:203:27) #21 CLICommand.process (package:liquidart/src/cli/command.dart:173:7) <asynchronous suspension> #22 main (file:///Users/dino/.pub-cache/hosted/pub.dartlang.org/liquidart-5.0.0-b7/bin/liquidart.dart:9:14) <asynchronous suspension>

Please read to the end to understand how Liquidart started

22nd April 2021 - 11:10 PM IST

The initial idea I had, before beginning Liquidart was to create a server framework from scratch. At that point, even the name Liquidart didn't exist. The idea was simple. The idea was to provide a minimalistic framework which was fresh and modular, so that people can use it to expand their server applications.

When I found out that Aqueduct was discontinued, I decided to migrate the package and revive it. I actually liked Aqueduct and it was the reason that I never wanted to learn nodejs just for server side programming. There were great tutorials explaining the use of Aqueduct for Server Applications, from programmers like Nick Manning @seenickcode ... The Aqueduct documentation was also helpful in explaining the structure of the framework and the proper way to use it.

The entire Aqueduct package was a nightmare to migrate to Null Safety with more than 6000 errors showing up during migration. It took me 4 consecutive days of work to resolve all of those. I rescheduled all of my other projects to accommodate this. I barely had proper sleep for those 4 days. I hoped that the migration to null safety will prepare the package for publishing. Little did I know that the entire Aqueduct codebase was absolutely messed up. I have been trying to solve some list-related errors for the past 2 days, only to find out that those errors have been present in the project for more than 8 or so months. It was not the migration that caused all these problems. The codebase was messed up even before migration. That's why it is almost impossible to bring this package to a functioning state. And I am all alone working in this project, which makes it even worse.

At this point, after going through so much complexities and troubles trying to revive the project all on my own, I am forced to go back to my initial decision. I will be creating a server framework from scratch and changing the documentation and examples to support the new codebase. I believe that is the right decision to make at this point, especially since the Liquidart package hasn't been adopted by many programmers. It is only a month old. It's better to provide a working alternative than to shove a broken package on people's faces pretending that it is the best thing in the world.

Constructor has notation: Router({String? basePath, Future notFoundHandler(Request request)?}) That means that the notFoundHandler value can be null. In aexamples, you use default parameters (null). But in constructor you use : _unmatchedController = notFoundHandler!

Unhandled exception:
Bad state: No element
#0 ListMixin.firstWhere (dart:collection/list.dart:167:5)
#1 firstMetadataOfType (package:replica/src/mirror_context.dart:70:23)
#2 new MirrorContext._. (package:replica/src/mirror_context.dart:31:22)
#3 WhereIterator.moveNext (dart:_internal/iterable.dart:436:13)
#4 new _GrowableList.ofOther (dart:core-patch/growable_array.dart:198:26)
#5 new GrowableList.of (dart:core-patch/growable_array.dart:152:26)
#6 new List.of (dart:core-patch/array_patch.dart:50:28)
#7 Iterable.toList (dart:core/iterable.dart:366:12)
#8 new MirrorContext. (package:replica/src/mirror_context.dart:32:8)
#9 instance (package:replica/src/mirror_context.dart:7:41)
#10 instance (package:replica/src/mirror_context.dart)
#11 RuntimeContext.current (package:replica/src/context.dart:10:33)
#12 CLICommand.decode (package:liquidart/src/cli/command.dart:104:27)
#13 CLICommand.showColors (package:liquidart/src/cli/command.dart:64:26)
#14 CLICommand.colorSymbol (package:liquidart/src/cli/command.dart:219:10)
#15 CLICommand.displayError (package:liquidart/src/cli/command.dart:201:12)
#16 CLICommand.process (package:liquidart/src/cli/command.dart:168:7)

#17 main (file:///C:/Users/Everton/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/liquidart-5.0.0-b4/bin/liquidart.dart:9:14)

Unhandled exception:
Bad state: No element
#0 ListMixin.firstWhere (dart:collection/list.dart:167:5)
#1 firstMetadataOfType (package:replica/src/mirror_context.dart:70:23)
#2 new MirrorContext.. (package:replica/src/mirror_context.dart:31:22)
#3 WhereIterator.moveNext (dart:_internal/iterable.dart:436:13)
#4 new _GrowableList._ofOther (dart:core-patch/growable_array.dart:198:26)
#5 new GrowableList.of (dart:core-patch/growable_array.dart:152:26)
#6 new List.of (dart:core-patch/array_patch.dart:50:28)
#7 Iterable.toList (dart:core/iterable.dart:366:12)
#8 new MirrorContext. (package:replica/src/mirror_context.dart:32:8)
#9 instance (package:replica/src/mirror_context.dart:7:41)
#10 instance (package:replica/src/mirror_context.dart)
#11 RuntimeContext.current (package:replica/src/context.dart:10:33)
#12 CLICommand.decode (package:liquidart/src/cli/command.dart:104:27)
#13 CLICommand.showColors (package:liquidart/src/cli/command.dart:64:26)
#14 CLICommand.colorSymbol (package:liquidart/src/cli/command.dart:219:10)
#15 CLICommand.displayError (package:liquidart/src/cli/command.dart:201:12)
#16 CLICommand.process (package:liquidart/src/cli/command.dart:168:7)

#17 main (file:///C:/Users/Everton/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/liquidart-5.0.0-b4/bin/liquidart.dart:9:14)

Dart SDK version: 2.12.3 (stable) (Wed Apr 14 11:02:39 2021 +0200) on "windows_x64"